Malicious
10
/62

Threat

com.bzyidn.rajgylsl

Android Update

Analyzed on 2021-08-07T15:36:32.002288

36

permissions

6

activities

5

services

6

receivers

5

domains

File sums

MD5 0a64111f4ad75eec84d10de7f1b89c6c
SHA1 c2c1598f562f319e6a7ea0e3879218584f097c08
SHA256 a09d435c5988e77ca115bdfe456821b9622994fd419645c0a2d07bc4658535f0
Size 1.47MB

APKiD

Information computed with APKiD.

/tmp/tmp5tz32mzt!assets/webapk6.dex
compiler
  • r8
/tmp/tmp5tz32mzt!classes.dex
anti_vm
  • network operator name check
compiler
  • dx

SSdeep

Information computed with ssdeep.

APK file 24576:5Z50drdNZ5B4UToZS99Ume5EeYtG6BPPpcUIFEme3WSGo0e4NgJ0Hdh:E7lDUme5stTB3pfcMG9e4eJ0D
Manifest 384:49NSlQR73fZawaUMgDTJXsNloI5z0XyI3/P3dNOoujMBvs3orsCDENj73Mfk5r9q:…
assets/webapk6.dex 384:D2Y7yjwiTxjFWQ/Zq7Qyyhe7DJ4YFOnrN:DpJkFWQ07MU3J4YF0p
classes.dex 6144:WEgoklwq+OZPI6X8C+URdl7xlQa1eemFJ+hdDpYce5zE:Ax5W6fRRdl7/dtmKhdD…

Dexofuzzy

Information computed with Dexofuzzy.

APK file 384:I2KYRBrCDLTAk857OWe9JBCJqJC7OzV/xzxrxCTyuj8syelBBykF0FMWi8SgYZTO:…
assets/webapk6.dex 12:EZ80lJ3fg2tgqnLc29fvLXCET4tXP596wBWMxFfo/ufuh2SE:i807fg2gT0fvTT4t/…
classes.dex 384:I2KYRBrCDLTAk857OWe9JBCJqJC7OzV/xzxrxCTyuj8syelBBykF0FMWi8SgYZTO:…

APK details

Information computed with AndroGuard and Pithus.

Package com.bzyidn.rajgylsl
App name Android Update
Version name 2.4
Version code 7
SDK 24 - 28
UAID f4564c3aa31ffe21e2e6434b58fb1014d99a668d
Signature Signature V1 Signature V2 Signature V3
Frosting Not frosted
Blocks found within V2 signature:
  • 0x7109871a: Unknown
  • 0xf05368c0: Unknown
  • 0x42726577: Verity padding

Certificate details

Information computed with AndroGuard.

MD5 e89b158e4bcf988ebd09eb83f5378e87
SHA1 61ed377e85d386a8dfee6b864bd85b0bfaa5af81
SHA256 a40da80a59d170caa950cf15c18c454d47a39b26989d8b640ecd745ba71bf5dc
Issuer Email Address: android@android.com, Common Name: Android, Organizational Unit: Android, Organization: Android, Locality: Mountain View, State/Province: California, Country: US
Not before 2008-02-29T01:33:46+00:00
Not after 2035-07-17T01:33:46+00:00

File Analysis

Information computed with MobSF.

Findings Files
Hardcoded Keystore found. assets/com/microsoft/powerlift/android/acompli_cacerts.bks
assets/acompli_cacerts.bks

Manifest analysis

Information computed with MobSF.

Medium Application Data can be Backed up[android:allowBackup] flag is missing.
The flag [android:allowBackup] should be set to false. By default it is set to true and allows anyone to backup your application data via adb. It allows users who have enabled USB debugging to copy application data off of the device.

Main Activity

Information computed with AndroGuard.

['com.bzyidn.rajgylsl.VNCActivity', 'com.bzyidn.rajgylsl.ServiceSupportActivity', 'com.bzyidn.rajgylsl.MainActivity', 'com.bzyidn.rajgylsl.ActionActivity', 'com.bzyidn.rajgylsl.MessageActivity', 'com.bzyidn.rajgylsl.InjectionHtmlActivity']

Activities

Information computed with AndroGuard.

com.bzyidn.rajgylsl.VNCActivity
com.bzyidn.rajgylsl.ServiceSupportActivity
com.bzyidn.rajgylsl.MainActivity
com.bzyidn.rajgylsl.ActionActivity
com.bzyidn.rajgylsl.MessageActivity
com.bzyidn.rajgylsl.InjectionHtmlActivity

Receivers

Information computed with AndroGuard.

com.bzyidn.rajgylsl.Receiver.PhoneStateReceiver
com.bzyidn.rajgylsl.Receiver.ScreenReceiver
com.bzyidn.rajgylsl.Receiver.BootReceiver
com.bzyidn.rajgylsl.Service.DeviceAdminService
com.bzyidn.rajgylsl.Receiver.MmsReceiver
com.bzyidn.rajgylsl.Service.InstallerRestarterService

Services

Information computed with AndroGuard.

com.bzyidn.rajgylsl.Receiver.SmsSendService
com.bzyidn.rajgylsl.Service.DisplayServiceJava
com.bzyidn.rajgylsl.Service.InstallerService
com.bzyidn.rajgylsl.Service.WorkerAccessibilityService
com.bzyidn.rajgylsl.Service.NotificationService

Sample timeline

Certificate valid not before Feb. 29, 2008, 1:33 a.m.
Oldest file found in APK Aug. 6, 2021, 8:13 p.m.
Latest file found in APK Aug. 6, 2021, 8:13 p.m.
First submission on VT Aug. 7, 2021, 3:31 p.m.
Last submission on VT Aug. 7, 2021, 3:31 p.m.
Upload on Pithus Aug. 7, 2021, 3:36 p.m.
Certificate valid not after July 17, 2035, 1:33 a.m.

NIAP analysis

Information computed with MobSF.

FCS_RBG_EXT.1.1 The application invoke platform-provided DRBG functionality for its cryptographic operations.
Random Bit Generation Services
FCS_STO_EXT.1.1 The application does not store any credentials to non-volatile memory.
Storage of Credentials
FCS_CKM_EXT.1.1 The application generate no asymmetric cryptographic keys.
Cryptographic Key Generation Services
FDP_DEC_EXT.1.1 The application has access to ['camera', 'microphone', 'location', 'network connectivity'].
Access to Platform Resources
FDP_DEC_EXT.1.2 The application has access to ['address book'].
Access to Platform Resources
FDP_NET_EXT.1.1 The application has user/application initiated network communications.
Network Communications
FDP_DAR_EXT.1.1 The application does not encrypt files in non-volatile memory.
Encryption Of Sensitive Application Data
FMT_MEC_EXT.1.1 The application invoke the mechanisms recommended by the platform vendor for storing and setting configuration options.
Supported Configuration Mechanism
FTP_DIT_EXT.1.1 The application does encrypt some transmitted data with HTTPS/TLS/SSH between itself and another trusted IT product.
Protection of Data in Transit
FCS_RBG_EXT.2.1
FCS_RBG_EXT.2.2
The application perform all deterministic random bit generation (DRBG) services in accordance with NIST Special Publication 800-90A using Hash_DRBG. The deterministic RBG is seeded by an entropy source that accumulates entropy from a platform-based DRBG and a software-based noise source, with a minimum of 256 bits of entropy at least equal to the greatest security strength (according to NIST SP 800-57) of the keys and hashes that it will generate.
Random Bit Generation from Application
FCS_HTTPS_EXT.1.3 The application notify the user and not establish the connection or request application authorization to establish the connection if the peer certificate is deemed invalid.
HTTPS Protocol
FPT_TUD_EXT.2.1 The application shall be distributed using the format of the platform-supported package manager.
Integrity for Installation and Update

Code analysis

Information computed with MobSF.

High
CVSS:5.9
App uses SQLite Database and execute raw SQL query. Untrusted user input in raw SQL queries can cause SQL Injection. Also sensitive information should be encrypted and written to the database.
CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
M7: Client Code Quality
Files:
 com/accenture/kpmg/cE.java
com/accenture/kpmg/cD.java
com/accenture/kpmg/C0165r.java
com/accenture/kpmg/cF.java
Medium
CVSS:8.8
Insecure WebView Implementation. Execution of user controlled code in WebView is a critical Security Hole.
MASVS: MSTG-PLATFORM-7
CWE-749 Exposed Dangerous Method or Function
M1: Improper Platform Usage
Files:
 com/accenture/kpmg/aB.java
Medium
CVSS:4.3
IP Address disclosure
MASVS: MSTG-CODE-2
CWE-200 Information Exposure
Files:
 com/accenture/kpmg/C0019as.java
com/appnext/nativeads/d.java
com/accenture/kpmg/C0006af.java
High
CVSS:5.5
App can read/write to External Storage. Any App can read data written to External Storage.
MASVS: MSTG-STORAGE-2
CWE-276 Incorrect Default Permissions
M2: Insecure Data Storage
Files:
 com/accenture/kpmg/C0141fg.java
High
CVSS:7.5
The App uses an insecure Random Number Generator.
MASVS: MSTG-CRYPTO-6
CWE-330 Use of Insufficiently Random Values
M5: Insufficient Cryptography
Files:
 com/accenture/kpmg/L.java
High
CVSS:5.5
App creates temp file. Sensitive information should never be written into a temp file.
MASVS: MSTG-STORAGE-2
CWE-276 Incorrect Default Permissions
M2: Insecure Data Storage
Files:
 com/accenture/kpmg/fK.java
Pygal Switzerland: 100 Ireland: 100 United States: 300

Map computed by Pithus.

Domains analysis

Information computed with MobSF.

IE global.appnext.com 52.208.230.67
US admin.appnext.com 34.201.81.247
CH cdn.appnext.com 13.224.96.67
US www.appnext.com 18.234.79.235
US play.google.com 142.250.186.110

URL analysis

Information computed with MobSF.

https://cdn.appnext.com/tools/sdk/confign/nativeads_new/
Defined in com/appnext/nativeads/o.java
https://play.google.com/store
Defined in com/accenture/kpmg/C0010aj.java
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data:image/png;base64,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
https://www.appnext.com/privacy_policy/index.html?z=
https://admin.appnext.com/tp12.aspx
https://cdn.appnext.com/tools/sdk/config/2.4.0/result_banner/
javascript:(function()
https://cdn.appnext.com/tools/sdk/banner/2.4.3/result.min.js
Defined in com/accenture/kpmg/aB.java
http://www.appnext.com/myid.html
Defined in com/accenture/kpmg/C0019as.java
https://admin.appnext.com/AdminService.asmx/
Defined in com/accenture/kpmg/RunnableC0016ap.java
https://admin.appnext.com/tools/navtac.html?bid=
Defined in com/accenture/kpmg/C0011ak.java
https://play.google.com/store/apps/
Defined in com/accenture/kpmg/C0015ao.java
https://admin.appnext.com/AdminService.asmx/SetOpenV1
Defined in com/accenture/kpmg/R.java
https://global.appnext.com/AdminService.asmx/ex?data=
Defined in com/accenture/kpmg/C0006af.java

Permissions analysis

Information computed with MobSF.

Unknown permission
Unknown permission from android reference

Tracking analysis

Information computed with Exodus-core.

Appnext https://reports.exodus-privacy.eu.org/fr/trackers/184

Threat analysis

Information computed with Quark-Engine.

Confidence:
100%
Start another application from current application
Confidence:
100%
Implicit intent(view a web page, make a phone call, etc.)
Confidence:
100%
Find a method from given class name, usually for reflection
Confidence:
100%
Query the phone number from SMS sender
Confidence:
100%
Connect to a URL and receive input stream from the server
Confidence:
100%
Method reflection
Confidence:
100%
Get the network operator name
Confidence:
100%
Connect to a URL and read data from it
Confidence:
100%
Retrieve data from broadcast
Confidence:
100%
Implicit intent(view a web page, make a phone call, etc.) via setData
Confidence:
100%
Connect to a URL and get the response code
Confidence:
100%
Monitor the broadcast action events (BOOT_COMPLETED)
Confidence:
100%
Get Location of the device and append this info to a string
Confidence:
100%
Get absolute path of the file and store in string
Confidence:
100%
Query the IMEI number
Confidence:
100%
Method reflection
Confidence:
100%
Initialize class object dynamically
Confidence:
100%
Read the input stream from given URL
Confidence:
100%
Query the SMS contents
Confidence:
100%
Connect to a URL and set request method
Confidence:
80%
Get last known location of the device

Behavior analysis

Information computed with MobSF.

Content provider
       com/accenture/kpmg/fv.java
com/accenture/kpmg/fu.java
Gps location
       com/accenture/kpmg/C0094dm.java
com/accenture/kpmg/cQ.java
com/accenture/kpmg/dS.java
com/accenture/kpmg/C0093dl.java
Get android advertising id
       com/accenture/kpmg/J.java
com/accenture/kpmg/P.java
Get installed applications
       com/accenture/kpmg/C0015ao.java
com/accenture/kpmg/ActivityC0001aa.java
com/accenture/kpmg/C0010aj.java
com/accenture/kpmg/C0002ab.java
Get network interface information
       com/accenture/kpmg/C0141fg.java
Get system service
       com/accenture/kpmg/C0019as.java
com/accenture/kpmg/eA.java
com/accenture/kpmg/bS.java
com/accenture/kpmg/ServiceC0046bs.java
com/appnext/nativeads/designed_native_ads/views/b.java
a/a/a/a/a.java
com/accenture/kpmg/C0141fg.java
com/accenture/kpmg/fx.java
com/accenture/kpmg/C0069co.java
com/accenture/kpmg/C0093dl.java
com/accenture/kpmg/C0060cf.java
Http connection
       com/accenture/kpmg/C0019as.java
com/accenture/kpmg/eO.java
Inter process communication
       com/accenture/kpmg/ft.java
com/accenture/kpmg/RunnableC0147fm.java
com/accenture/kpmg/eA.java
com/accenture/kpmg/C0152fr.java
com/accenture/kpmg/ServiceC0046bs.java
com/accenture/kpmg/C0026az.java
com/accenture/kpmg/RunnableC0149fo.java
com/accenture/kpmg/C0097dq.java
com/accenture/kpmg/bL.java
com/accenture/kpmg/C0015ao.java
com/accenture/kpmg/bK.java
com/accenture/kpmg/ActivityC0153fs.java
com/accenture/kpmg/bA.java
com/accenture/kpmg/eL.java
com/accenture/kpmg/ActivityC0001aa.java
com/accenture/kpmg/C0145fk.java
com/accenture/kpmg/eR.java
com/accenture/kpmg/bE.java
com/accenture/kpmg/fw.java
com/accenture/kpmg/C0002ab.java
com/accenture/kpmg/C0057cc.java
com/accenture/kpmg/C0142fh.java
com/accenture/kpmg/ServiceC0146fl.java
com/accenture/kpmg/RunnableC0047bt.java
com/accenture/kpmg/ActivityC0151fq.java
com/accenture/kpmg/bS.java
com/accenture/kpmg/S.java
com/accenture/kpmg/eQ.java
com/accenture/kpmg/fA.java
com/accenture/kpmg/C0029bb.java
com/accenture/kpmg/fx.java
com/accenture/kpmg/C0134f.java
com/accenture/kpmg/Q.java
com/accenture/kpmg/eK.java
com/accenture/kpmg/C0025ay.java
com/accenture/kpmg/C0144fj.java
com/appnext/nativeads/c.java
com/accenture/kpmg/eM.java
com/accenture/kpmg/IntentServiceC0031bd.java
com/accenture/kpmg/eJ.java
com/accenture/kpmg/bM.java
com/accenture/kpmg/C0010aj.java
com/accenture/kpmg/aB.java
com/accenture/kpmg/AbstractView$OnClickListenerC0059ce.java
com/accenture/kpmg/C0150fp.java
com/accenture/kpmg/ServiceC0037bj.java
Java reflection
       com/accenture/kpmg/fE.java
com/accenture/kpmg/fC.java
com/accenture/kpmg/fF.java
com/accenture/kpmg/fR.java
Load and manipulate dex files
       com/accenture/kpmg/fE.java
com/accenture/kpmg/fF.java
Local file i/o operations
       com/accenture/kpmg/C0173z.java
com/accenture/kpmg/fK.java
com/accenture/kpmg/fx.java
com/accenture/kpmg/C0070cp.java
com/accenture/kpmg/C0158k.java
com/accenture/kpmg/C0071cq.java
Sending broadcast
       com/accenture/kpmg/ActivityC0153fs.java
com/accenture/kpmg/ActivityC0151fq.java
com/accenture/kpmg/bS.java
com/accenture/kpmg/fA.java
com/accenture/kpmg/eJ.java
com/accenture/kpmg/C0097dq.java
com/accenture/kpmg/fw.java
Starting activity
       com/accenture/kpmg/C0025ay.java
com/accenture/kpmg/C0015ao.java
com/accenture/kpmg/ft.java
com/accenture/kpmg/ActivityC0151fq.java
com/appnext/nativeads/c.java
com/accenture/kpmg/ActivityC0001aa.java
com/accenture/kpmg/S.java
com/accenture/kpmg/C0010aj.java
com/accenture/kpmg/C0026az.java
com/accenture/kpmg/C0029bb.java
Starting service
       com/accenture/kpmg/C0144fj.java
com/accenture/kpmg/bL.java
Tcp socket
       com/accenture/kpmg/C0120em.java
Webview get request
       com/accenture/kpmg/aB.java
Webview javascript interface
       com/accenture/kpmg/aB.java

Control flow graphs analysis

Information computed by Pithus.

The application probably gets different information regarding the telephony capabilities

The application probably gets the IMEI of the phone

The application probably gets the advertising ID for tracking purposes

The application probably gets the network connections information

The application probably gets network interfaces addresses (IP and/or MAC)

The application probably reads SMS/MMS messages

The application probably sends data over HTTP/S

The application probably starts another application

The application probably gets memory and CPU information