Malware Analysis Report

2024-12-01 03:07

Sample ID 241111-d7llcssbkm
Target i288_v3.apk
SHA256 94689aaf15d9cf4f17451c6d709012d6ebb9006807216f58a92fb31fc629ee5e
Tags
discovery impact persistence collection credential_access evasion
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Mobile Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

94689aaf15d9cf4f17451c6d709012d6ebb9006807216f58a92fb31fc629ee5e

Threat Level: Shows suspicious behavior

The file i288_v3.apk was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery impact persistence collection credential_access evasion

Loads dropped Dex/Jar

Obtains sensitive information copied to the device clipboard

Queries the mobile country code (MCC)

Uses Crypto APIs (Might try to encrypt user data)

Registers a broadcast receiver at runtime (usually for listening for system events)

Checks CPU information

Checks memory information

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 03:39

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-11 03:39

Reported

2024-11-11 03:55

Platform

android-x86-arm-20240624-en

Max time kernel

100s

Max time network

131s

Command Line

com.companyname.i288

Signatures

Queries the mobile country code (MCC)

discovery
Description Indicator Process Target
Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone N/A N/A

Registers a broadcast receiver at runtime (usually for listening for system events)

persistence
Description Indicator Process Target
Framework service call android.app.IActivityManager.registerReceiver N/A N/A

Uses Crypto APIs (Might try to encrypt user data)

impact
Description Indicator Process Target
Framework API call javax.crypto.Cipher.doFinal N/A N/A

Checks CPU information

Description Indicator Process Target
File opened for read /proc/cpuinfo N/A N/A

Checks memory information

Description Indicator Process Target
File opened for read /proc/meminfo N/A N/A

Processes

com.companyname.i288

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 storage.googleapis.com udp
GB 142.250.180.27:443 storage.googleapis.com tcp
GB 216.58.204.78:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.200.14:443 android.apis.google.com tcp

Files

/data/data/com.companyname.i288/files/profileInstalled

MD5 cf3c998f65510196e14a58a9bd9f9d6c
SHA1 eea43b4f229a8b33a7cbbf7b138712976d20bdb9
SHA256 c8012a7b83f4834f666718e2610dfccadf43cafd8d7f7c78b2f1c07a6b5a9f26
SHA512 fa565ee9e928d9a6aa57755a57044437c65fab5678d55474bccdc45b7830a73722238b15767f2edd005b07598923ff8c9f0fc54b18e601edb1a221f22a708fd0

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-11 03:39

Reported

2024-11-11 03:55

Platform

android-x64-arm64-20240624-en

Max time kernel

87s

Max time network

134s

Command Line

com.companyname.i288

Signatures

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /system_ext/framework/androidx.window.sidecar.jar N/A N/A
N/A /system_ext/framework/androidx.window.sidecar.jar N/A N/A

Obtains sensitive information copied to the device clipboard

collection credential_access impact
Description Indicator Process Target
Framework service call android.content.IClipboard.addPrimaryClipChangedListener N/A N/A

Uses Crypto APIs (Might try to encrypt user data)

impact
Description Indicator Process Target
Framework API call javax.crypto.Cipher.doFinal N/A N/A

Checks CPU information

Description Indicator Process Target
File opened for read /proc/cpuinfo N/A N/A

Checks memory information

Description Indicator Process Target
File opened for read /proc/meminfo N/A N/A

Processes

com.companyname.i288

Network

Country Destination Domain Proto
GB 216.58.212.238:443 tcp
GB 216.58.212.238:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 216.58.204.78:443 android.apis.google.com tcp
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.178.14:443 android.apis.google.com tcp
US 1.1.1.1:53 storage.googleapis.com udp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.187.251:443 storage.googleapis.com tcp
GB 142.250.200.8:443 ssl.google-analytics.com tcp
GB 142.250.187.228:443 tcp
GB 142.250.187.228:443 tcp

Files

/system_ext/framework/androidx.window.sidecar.jar

MD5 bdf3529e80318eb14e53a5bf3720c10d
SHA1 25c9ace4b1af6e80ebb2572345972c56505969ba
SHA256 bbc8300dd1e9cd08de8f66560c1ac2c928615b72b51cef9649f88974f586d64b
SHA512 48b9c2d01171bb651b9b54826baa51f4add48431a3efd8ceb5f7cc3bcd6f8f37edf47fabb24349dd15b3a02329cd450f90a8d164bf4f8dfae554bf3b35a8a55b