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Threat

com.android.imsserviceentitlement

Analyzed on 2022-06-22T02:57:56.727489

9

permissions

1

activities

7

services

4

receivers

0

domains

File sums

MD5 66258a84366edbff38b575d3531af6c1
SHA1 73063c71844414f83ce5dbb1c9a59ad287bd85b0
SHA256 de89f848cd09bf8c00c1d4d2ca152f96799b4127bf289797e82abcbfaa9b379e
Size 3.73MB

APKiD

Information computed with APKiD.

/tmp/tmpdehhy2df!classes.dex
yara_issue
  • yara issue - dex file recognized by apkid but not yara module
anti_vm
  • Build.FINGERPRINT check
  • Build.MANUFACTURER check
compiler
  • unknown (please file detection issue!)

SSdeep

Information computed with ssdeep.

APK file 49152:vCgNJ+oS+d4F0RFedeF8hv7jLfrKFJ5/bHUoXk:KW14FQed2y7jLfrK1UoXk
Manifest 192:26WwzRj3ryiyD78AT9TAoUYWCStCCzTLTZTwTFT0lTDT+JTCi5P94a4F484X4AGg:…
classes.dex 24576:7pbVQTTAXw1A1m8fdrRr2Q0RaYWDfrSrSFdLbOOHxnDk6Y9D6g3ER+GedewIsMb…

Dexofuzzy

Information computed with Dexofuzzy.

classes.dex None

APK details

Information computed with AndroGuard and Pithus.

Package com.android.imsserviceentitlement
App name
Version name 12
Version code 31
SDK 31 - 31
UAID c128d5e1eae5dd0f9eaad33e71ed55f3f85170bd
Signature Signature V1 Signature V2
Frosting Not frosted
Blocks found within V2 signature:
  • 0x7109871a: Unknown

Certificate details

Information computed with AndroGuard.

MD5 1ed6907e477e89c847cd7f7a971e0f46
SHA1 9741a0f330dc2e8619b76a2597f308c37dbe30a2
SHA256 b9a42dd5fc4e054889ae4127a6274cec64e75c41733d42f5991e7019f9ea5caf
Issuer Email Address: android.os@samsung.com, Common Name: Samsung Cert, Organizational Unit: DMC, Organization: Samsung Corporation, Locality: Suwon City, State/Province: South Korea, Country: KR
Not before 2011-06-22T12:25:13+00:00
Not after 2038-11-07T12:25:13+00:00

File Analysis

Information computed with MobSF.

Findings Files
Certificate/Key files hardcoded inside the app. SEC-INF/buildConfirm.crt

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.
High Activity (com.android.imsserviceentitlement.WfcActivationActivity) is not Protected. [android:exported=true]
An Activity is found to be shared with other apps on the device therefore leaving it accessible to any other application on the device.
High Service (com.android.imsserviceentitlement.ImsEntitlementPollingService) is Protected by a permission, but the protection level of the permission should be checked.
Permission: android.permission.BIND_JOB_SERVICE [android:exported=true]
A Service is found to be shared with other apps on the device therefore leaving it accessible to any other application on the device. It is protected by a permission which is not defined in the analysed application. As a result, the protection level of the permission should be checked where it is defined. If it is set to normal or dangerous, a malicious application can request and obtain the permission and interact with the component. If it is set to signature, only applications signed with the same certificate can obtain the permission.
High Broadcast Receiver (com.android.imsserviceentitlement.fcm.FcmRegistrationReceiver) is not Protected. [android:exported=true]
A Broadcast Receiver is found to be shared with other apps on the device therefore leaving it accessible to any other application on the device.
High Service (com.android.imsserviceentitlement.fcm.FcmService) is not Protected. [android:exported=true]
A Service is found to be shared with other apps on the device therefore leaving it accessible to any other application on the device.
High Service (com.android.imsserviceentitlement.fcm.FcmRegistrationService) is Protected by a permission, but the protection level of the permission should be checked.
Permission: android.permission.BIND_JOB_SERVICE [android:exported=true]
A Service is found to be shared with other apps on the device therefore leaving it accessible to any other application on the device. It is protected by a permission which is not defined in the analysed application. As a result, the protection level of the permission should be checked where it is defined. If it is set to normal or dangerous, a malicious application can request and obtain the permission and interact with the component. If it is set to signature, only applications signed with the same certificate can obtain the permission.
High Broadcast Receiver (com.android.imsserviceentitlement.ImsEntitlementReceiver) is not Protected. [android:exported=true]
A Broadcast Receiver is found to be shared with other apps on the device therefore leaving it accessible to any other application on the device.
High Broadcast Receiver (com.google.firebase.iid.FirebaseInstanceIdReceiver) is Protected by a permission, but the protection level of the permission should be checked.
Permission: com.google.android.c2dm.permission.SEND [android:exported=true]
A Broadcast Receiver is found to be shared with other apps on the device therefore leaving it accessible to any other application on the device. It is protected by a permission which is not defined in the analysed application. As a result, the protection level of the permission should be checked where it is defined. If it is set to normal or dangerous, a malicious application can request and obtain the permission and interact with the component. If it is set to signature, only applications signed with the same certificate can obtain the permission.

Activities

Information computed with AndroGuard.

com.android.imsserviceentitlement.WfcActivationActivity

Receivers

Information computed with AndroGuard.

com.android.imsserviceentitlement.fcm.FcmRegistrationReceiver
com.android.imsserviceentitlement.ImsEntitlementReceiver
com.google.firebase.iid.FirebaseInstanceIdReceiver
com.google.android.datatransport.runtime.scheduling.jobscheduling.AlarmManagerSchedulerBroadcastReceiver

Services

Information computed with AndroGuard.

com.android.imsserviceentitlement.ImsEntitlementPollingService
com.android.imsserviceentitlement.fcm.FcmService
com.android.imsserviceentitlement.fcm.FcmRegistrationService
com.google.firebase.components.ComponentDiscoveryService
com.google.firebase.messaging.FirebaseMessagingService
com.google.android.datatransport.runtime.scheduling.jobscheduling.JobInfoSchedulerService
com.google.android.datatransport.runtime.backends.TransportBackendDiscovery

Sample timeline

Oldest file found in APK Jan. 1, 2009, midnight
Latest file found in APK Jan. 1, 2009, midnight
Certificate valid not before June 22, 2011, 12:25 p.m.
First submission on VT April 28, 2022, 5 p.m.
Last submission on VT April 28, 2022, 5 p.m.
Upload on Pithus June 22, 2022, 2:57 a.m.
Certificate valid not after Nov. 7, 2038, 12:25 p.m.

NIAP analysis

Information computed with MobSF.

FCS_RBG_EXT.1.1 The application use no 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 ['network connectivity'].
Access to Platform Resources
FDP_DEC_EXT.1.2 The application has access to no sensitive information repositories.
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_COP.1.1(2) The application perform cryptographic hashing services in accordance with a specified cryptographic algorithm SHA-1/SHA-256/SHA-384/SHA-512 and message digest sizes 160/256/384/512 bits.
Cryptographic Operation - Hashing
FCS_COP.1.1(4) The application perform keyed-hash message authentication with cryptographic algorithm ['HMAC-SHA1'] .
Cryptographic Operation - Keyed-Hash Message Authentication

Permissions analysis

Information computed with MobSF.

Low android.permission.ACCESS_NETWORK_STATE view network status
Allows an application to view the status of all networks.
Low android.permission.CHANGE_NETWORK_STATE change network connectivity
Allows applications to change network connectivity state.
Low android.permission.INTERNET full Internet access
Allows an application to create network sockets.
Low android.permission.RECEIVE_BOOT_COMPLETED automatically start at boot
Allows an application to start itself as soon as the system has finished booting. This can make it take longer to start the phone and allow the application to slow down the overall phone by always running.
Low android.permission.WAKE_LOCK prevent phone from sleeping
Allows an application to prevent the phone from going to sleep.
Medium com.google.android.c2dm.permission.RECEIVE C2DM permissions
Permission for cloud to device messaging.
Medium android.permission.MODIFY_PHONE_STATE modify phone status
Allows the application to control the phone features of the device. An application with this permission can switch networks, turn the phone radio on and off and the like, without ever notifying you.
android.permission.READ_PRIVILEGED_PHONE_STATE Unknown permission
Unknown permission from android reference
com.google.android.setupwizard.SETUP_COMPAT_SERVICE Unknown permission
Unknown permission from android reference

Tracking analysis

Information computed with Exodus-core.

Google Firebase Analytics https://reports.exodus-privacy.eu.org/fr/trackers/49

Threat analysis

Information computed with Quark-Engine.

Confidence:
100%
Load external class
Confidence:
100%
Find a method from given class name, usually for reflection
Confidence:
100%
Connect to a URL and receive input stream from the server
Confidence:
100%
Method reflection
Confidence:
100%
Save the response to JSON after connecting to the remote server
Confidence:
100%
Retrieve data from broadcast
Confidence:
100%
Read sensitive data(SMS, CALLLOG, etc)
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 last known location of the device
Confidence:
100%
Method reflection
Confidence:
100%
Read file into a stream and put it into a JSON object
Confidence:
100%
Get the time of current location
Confidence:
100%
Initialize class object dynamically
Confidence:
100%
Connect to a URL and set request method
Confidence:
80%
Connect to a URL and read data from it
Confidence:
80%
Read file and put it into a stream
Confidence:
80%
Get declared method from given method name
Confidence:
80%
Get absolute path of the file and store in string
Confidence:
80%
Get location of the device
Confidence:
80%
Connect to the remote server through the given URL
Confidence:
80%
Get resource file from res/raw directory

Control flow graphs analysis

Information computed by Pithus.

The application probably gets the IMEI of the phone

The application probably gets the subscriber ID associated to the SIM card/ Should never be collected

The application probably plays sound

The application probably starts another application

The application probably listens accessibility events