0/62

Threat

com.cliambrown.easynoise

Easy Noise

Analyzed on 2021-10-25T22:44:18.091677

2

permissions

1

activities

1

services

3

receivers

1

domains

File sums

MD5 70d3add844858b1e77b9c484c0855271
SHA1 fefce6afc7e582f671e9882afdad968c2f21abd5
SHA256 39930e348ce98fff78aec7eb534cc95bafe7c0bbbbc28d858e7c123f24996895
Size 6.32MB

APKiD

Information computed with APKiD.

/tmp/tmpf0o51mor!classes.dex
anti_vm
  • Build.FINGERPRINT check
  • Build.MANUFACTURER check
compiler
  • r8 without marker (suspicious)

SSdeep

Information computed with ssdeep.

APK file 98304:ad9G2XgtWrgVHdWwSGRLVR0zSZJIF/ESeCDrJ2lRjtwdnCRYxmyDibkHfr7vNuZ2:a+2qqgnWbGRL/0zSZJQEJCDwbInpD2I
Manifest 192:IEc1AWsMno3xq8+nlo/SZWYTgQPrl/CnWyge/8/oO:IEc1AWsMo3xq8+nlo/SDgQP…
classes.dex 98304:75DjuVzlTrDk9MTa6lFgLTKsLK621VRe3534Gxblq:9g9x3gBq

Dexofuzzy

Information computed with Dexofuzzy.

APK file 6144:JP5WgZxK7uNGfdfSZzjLenhiRFA3pFQs5PbAxNH8fv8lsdK:JP5ZK7uNYkLehNpdK
classes.dex 6144:JP5WgZxK7uNGfdfSZzjLenhiRFA3pFQs5PbAxNH8fv8lsdK:JP5ZK7uNYkLehNpdK

APK details

Information computed with AndroGuard and Pithus.

Package com.cliambrown.easynoise
App name Easy Noise
Version name 0.4
Version code 4
SDK 21 - 31
UAID 8cf617c681d078dc5cc74f4ef914763ae7e9e5ce
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 3160ae7b3ff827c2f4a28dabf9319c66
SHA1 88f1f2e9fc9f6241dc80358be4d313f2e644d0da
SHA256 dc9ff044f815a050c8377bd051af9d6fd2ac75ebc47c86298e5839985c4a5249
Issuer Common Name: FDroid, Organizational Unit: FDroid, Organization: fdroid.org, Locality: ORG, State/Province: ORG, Country: UK
Not before 2021-10-10T20:18:22+00:00
Not after 2049-02-25T20:18:22+00:00

Manifest analysis

Information computed with MobSF.

Medium Application Data can be Backed up[android:allowBackup=true]
This flag 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 Broadcast Receiver (com.cliambrown.easynoise.OutsidePauseReceiver) 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.cliambrown.easynoise.EasyNoiseWidget) 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.cliambrown.easynoise.PlayerService) 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 Broadcast Receiver (com.cliambrown.easynoise.NotificationReceiver) 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.

Main Activity

Information computed with AndroGuard. 

com.cliambrown.easynoise.MainActivity

Activities

Information computed with AndroGuard. 

com.cliambrown.easynoise.MainActivity

Receivers

Information computed with AndroGuard. 

com.cliambrown.easynoise.OutsidePauseReceiver
com.cliambrown.easynoise.EasyNoiseWidget
com.cliambrown.easynoise.NotificationReceiver

Services

Information computed with AndroGuard. 

com.cliambrown.easynoise.PlayerService

Sample timeline

Oldest file found in APK Jan. 1, 1981, 1:01 a.m.
Latest file found in APK Jan. 1, 1981, 1:01 a.m.
Certificate valid not before Oct. 10, 2021, 8:18 p.m.
First submission on VT Oct. 25, 2021, 10:35 p.m.
Last submission on VT Oct. 25, 2021, 10:35 p.m.
Upload on Pithus Oct. 25, 2021, 10:44 p.m.
Certificate valid not after Feb. 25, 2049, 8:18 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 no hardware resources.
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 no network communications.
Network Communications
FDP_DAR_EXT.1.1 The application implement functionality to encrypt sensitive data 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

Code analysis

Information computed with MobSF.

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: 
 kotlin/collections/EmptyList.java
 kotlin/random/AbstractPlatformRandom.java
 kotlin/collections/unsigned/UArraysKt___UArraysJvmKt$asList$4.java
 kotlin/collections/unsigned/UArraysKt___UArraysJvmKt$asList$1.java
 kotlin/collections/ArraysKt___ArraysJvmKt$asList$6.java
 kotlin/collections/ArraysKt___ArraysJvmKt$asList$3.java
 kotlin/random/KotlinRandom.java
 kotlin/collections/AbstractList.java
 kotlin/collections/RingBuffer.java
 kotlin/random/PlatformRandomKt.java
 kotlin/collections/ArraysKt___ArraysJvmKt$asList$7.java
 kotlin/collections/CollectionsKt__CollectionsJVMKt.java
 kotlin/collections/unsigned/UArraysKt___UArraysJvmKt$asList$2.java
 kotlin/collections/ArraysKt___ArraysJvmKt$asList$1.java
 kotlin/random/jdk8/PlatformThreadLocalRandom.java
 kotlin/collections/ArraysKt___ArraysJvmKt$asList$4.java
 kotlin/collections/builders/ListBuilder.java
 kotlin/collections/CollectionsKt___CollectionsKt.java
 kotlin/random/FallbackThreadLocalRandom.java
 kotlin/collections/MovingSubList.java
 kotlin/collections/ArraysKt___ArraysJvmKt$asList$2.java
 kotlin/collections/unsigned/UArraysKt___UArraysJvmKt$asList$3.java
 kotlin/collections/CollectionsKt__MutableCollectionsJVMKt.java
 kotlin/random/PlatformRandom.java
 kotlin/random/FallbackThreadLocalRandom$implStorage$1.java
 kotlin/collections/ArraysKt___ArraysJvmKt$asList$5.java
 kotlin/collections/ArraysKt___ArraysJvmKt$asList$8.java
 kotlin/collections/CollectionsKt__MutableCollectionsKt.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: 
 kotlin/io/path/PathsKt__PathUtilsKt.java
 kotlin/io/FilesKt__UtilsKt.java
Low
CVSS:7.5
The App logs information. Sensitive information should never be logged.
MASVS: MSTG-STORAGE-3
CWE-532 Insertion of Sensitive Information into Log File
Files: 
 kotlin/io/ConsoleKt.java
Pygal United States: 100

Map computed by Pithus.

Domains analysis

Information computed with MobSF.

US github.com 140.82.121.4

URL analysis

Information computed with MobSF.

https://github.com/cliambrown/EasyNoise
Defined in com/cliambrown/easynoise/MainActivity.java

Permissions analysis

Information computed with MobSF.

High android.permission.READ_PHONE_STATE read phone state and identity
Allows the application to access the phone features of the device. An application with this permission can determine the phone number and serial number of this phone, whether a call is active, the number that call is connected to and so on.
Low android.permission.FOREGROUND_SERVICE Allows a regular application to use Service.startForeground

Threat analysis

Information computed with Quark-Engine.

Confidence:
100%
Load external class
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%
Method reflection
Confidence:
100%
Retrieve data from broadcast
Confidence:
100%
Read sensitive data(SMS, CALLLOG, etc)
Confidence:
100%
Monitor the broadcast action events (BOOT_COMPLETED)
Confidence:
100%
Get last known location of the device
Confidence:
100%
Get location of the device
Confidence:
100%
Method reflection
Confidence:
100%
Get the time of current location
Confidence:
100%
Initialize class object dynamically
Confidence:
80%
Read file and put it into a stream
Confidence:
80%
Get declared method from given method name
Confidence:
80%
Implicit intent(view a web page, make a phone call, etc.) via setData
Confidence:
80%
Get resource file from res/raw directory

Behavior analysis

Information computed with MobSF.

Get system service 
       com/cliambrown/easynoise/NotificationUtils.java
Inter process communication 
       com/cliambrown/easynoise/EasyNoiseWidgetKt.java
       com/cliambrown/easynoise/MainActivity$connection$1.java
       com/cliambrown/easynoise/helpers/Util.java
       com/cliambrown/easynoise/MainActivity.java
       com/cliambrown/easynoise/EasyNoiseWidget.java
       com/cliambrown/easynoise/OutsidePauseReceiver.java
       com/cliambrown/easynoise/NotificationUtils.java
       com/cliambrown/easynoise/NotificationReceiver.java
       com/cliambrown/easynoise/PlayerService.java
Java reflection 
       kotlin/internal/PlatformImplementations.java
       kotlin/internal/PlatformImplementationsKt.java
       kotlin/coroutines/jvm/internal/ModuleNameRetriever.java
       kotlin/jvm/internal/Intrinsics.java
       kotlin/jvm/internal/Reflection.java
       kotlin/jvm/internal/ClassReference.java
       kotlin/coroutines/jvm/internal/DebugMetadataKt.java
Local file i/o operations 
       com/cliambrown/easynoise/EasyNoiseWidgetKt.java
       com/cliambrown/easynoise/MainActivity.java
       com/cliambrown/easynoise/OutsidePauseReceiver.java
       com/cliambrown/easynoise/PlayerService.java
Sending broadcast 
       com/cliambrown/easynoise/MainActivity.java
       com/cliambrown/easynoise/PlayerService.java
Starting activity 
       com/cliambrown/easynoise/MainActivity.java
Starting service 
       com/cliambrown/easynoise/helpers/Util.java
       com/cliambrown/easynoise/MainActivity.java

Control flow graphs analysis

Information computed by Pithus.

The application probably dynamically loads code

The application probably gets the location based on GPS and/or Wi-Fi

The application probably gets the network connections information

The application probably plays sound

The application probably makes OS calls

The application probably creates an accessibility service

The application probably listens accessibility events