Malware Analysis Report

2024-07-28 14:36

Sample ID 240614-b4degathjj
Target app.apk
SHA256 501202618b58910698cbaa6a5b949b2d968c0b8a20942886802afb027aca7364
Tags
discovery evasion impact persistence
score
8/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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
8/10

SHA256

501202618b58910698cbaa6a5b949b2d968c0b8a20942886802afb027aca7364

Threat Level: Likely malicious

The file app.apk was found to be: Likely malicious.

Malicious Activity Summary

discovery evasion impact persistence

Checks if the Android device is rooted.

Loads dropped Dex/Jar

Queries information about running processes on the device

Requests dangerous framework permissions

Queries the mobile country code (MCC)

Listens for changes in the sensor environment (might be used to detect emulation)

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

Uses Crypto APIs (Might try to encrypt user data)

Checks CPU information

Checks memory information

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-14 01:41

Signatures

Requests dangerous framework permissions

Description Indicator Process Target
Allows an app to access approximate location. android.permission.ACCESS_COARSE_LOCATION N/A N/A
Allows an application to write to external storage. android.permission.WRITE_EXTERNAL_STORAGE N/A N/A
Allows read only access to phone state, including the current cellular network information, the status of any ongoing calls, and a list of any PhoneAccounts registered on the device. android.permission.READ_PHONE_STATE N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-14 01:41

Reported

2024-06-14 01:44

Platform

android-x86-arm-20240611.1-en

Max time kernel

31s

Max time network

131s

Command Line

com.BlazeandtheMonsterMachines

Signatures

Checks if the Android device is rooted.

evasion
Description Indicator Process Target
N/A /system/app/Superuser.apk N/A N/A

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.BlazeandtheMonsterMachines/cache/1582435991586.jar N/A N/A
N/A /data/user/0/com.BlazeandtheMonsterMachines/cache/1582435991586.jar N/A N/A

Queries information about running processes on the device

discovery
Description Indicator Process Target
Framework service call android.app.IActivityManager.getRunningAppProcesses N/A N/A

Queries the mobile country code (MCC)

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

Listens for changes in the sensor environment (might be used to detect emulation)

evasion
Description Indicator Process Target
Framework API call android.hardware.SensorManager.registerListener 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.BlazeandtheMonsterMachines

/system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/com.BlazeandtheMonsterMachines/cache/1582435991586.jar --output-vdex-fd=115 --oat-fd=116 --oat-location=/data/user/0/com.BlazeandtheMonsterMachines/cache/oat/x86/1582435991586.odex --compiler-filter=quicken --class-loader-context=&

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
US 1.1.1.1:53 googleads.g.doubleclick.net udp
GB 142.250.187.226:443 googleads.g.doubleclick.net tcp
GB 216.58.212.202:443 tcp
GB 216.58.212.202:443 tcp
GB 216.58.212.202:443 tcp
GB 142.250.187.226:443 googleads.g.doubleclick.net tcp
GB 142.250.187.226:443 googleads.g.doubleclick.net tcp
GB 216.58.201.110:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.200.46:443 android.apis.google.com tcp

Files

/data/data/com.BlazeandtheMonsterMachines/cache/1582435991586.jar

MD5 e8e0527a01aefdb89afd2c508f131da1
SHA1 f1103e6b260c657ceb3d95f1b023af3fda8b133a
SHA256 f809447486f89fcaa74f87e06d126d103d37eb2b3157e88f2c06d989b2c284ce
SHA512 fb53683a83f1068d0f94567b156e6a8910c45b1b5f33db919f7e0b9c55eab28507a235ef76d44d5b549599ea3b54dbc00496a633339d276a80f395da938d6d34

/data/user/0/com.BlazeandtheMonsterMachines/cache/1582435991586.jar

MD5 fde2ee00cbd121cfab5290b078aa3ceb
SHA1 e2b77d5320e155e413d040a8c20020962065b2f8
SHA256 2897b0812077c654a9b3fbb0b6303d5cde681eeba7ad9981de65716c7810d685
SHA512 a9326aff8e454a2b4ac09984ef2a65fddd4dc146b4c44d839035549bff8c9fdaae490326d0b018f76c1ca2e4fb25426d74f550ca0950982fba632a023af99a56

/data/user/0/com.BlazeandtheMonsterMachines/cache/1582435991586.jar

MD5 2048eb6124a452540ee51dae4145aadf
SHA1 d05005b2cd7fe4cd652b0d7fd1bdac2c19d51451
SHA256 105c54b6fe3f25350e92187467761598e4c21d62b1091b77d091f65f3bd98864
SHA512 bb6cb3853dd2a5d0701e20607d4e153ae201268dd2e5e2d06cc2df208b3b4dc50132a4ab428251b1644d2399fcc717662438d082ff14203387bab8794109d44d

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-14 01:41

Reported

2024-06-14 01:41

Platform

android-33-x64-arm64-20240611.1-en

Max time network

8s

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

Country Destination Domain Proto
GB 172.217.169.36:443 udp
GB 172.217.169.36:443 tcp
BE 173.194.76.188:5228 tcp
GB 172.217.16.228:443 tcp
GB 216.58.201.106:443 tcp
N/A 224.0.0.251:5353 udp

Files

N/A