Malware Analysis Report

2025-01-19 04:52

Sample ID 240618-kgj36svhkb
Target bac57eb36e2751a82a20779085864f30_JaffaCakes118
SHA256 afbf5bc4fbe498d753767c18981c0a77f3a8c73601c840e3251d849670ea4964
Tags
discovery collection evasion impact persistence
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Mobile Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral5

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral6

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral7

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

afbf5bc4fbe498d753767c18981c0a77f3a8c73601c840e3251d849670ea4964

Threat Level: Shows suspicious behavior

The file bac57eb36e2751a82a20779085864f30_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery collection evasion impact persistence

Queries account information for other applications stored on the device

Reads information about phone network operator.

Queries the mobile country code (MCC)

Queries information about active data network

Requests dangerous framework permissions

Queries information about the current Wi-Fi connection

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

Analysis: static1

Detonation Overview

Reported

2024-06-18 08:34

Signatures

Requests dangerous framework permissions

Description Indicator Process Target
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
Allows access to the list of accounts in the Accounts Service. android.permission.GET_ACCOUNTS N/A N/A
Allows an application to write to external storage. android.permission.WRITE_EXTERNAL_STORAGE N/A N/A
Allows an app to access approximate location. android.permission.ACCESS_COARSE_LOCATION N/A N/A

Analysis: behavioral4

Detonation Overview

Submitted

2024-06-18 08:34

Reported

2024-06-18 08:37

Platform

android-x64-arm64-20240611.1-en

Max time kernel

9s

Max time network

133s

Command Line

com.letang

Signatures

Queries information about active data network

discovery
Description Indicator Process Target
Framework service call android.net.IConnectivityManager.getActiveNetworkInfo N/A N/A

Processes

com.letang

Network

Country Destination Domain Proto
GB 142.250.187.206:443 tcp
GB 142.250.187.206:443 tcp
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 172.217.16.232:443 ssl.google-analytics.com tcp
GB 142.250.179.228:443 tcp
GB 142.250.179.228:443 tcp

Files

N/A

Analysis: behavioral5

Detonation Overview

Submitted

2024-06-18 08:34

Reported

2024-06-18 08:37

Platform

android-x86-arm-20240611.1-en

Max time network

143s

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

Country Destination Domain Proto
GB 142.250.180.14:443 tcp
N/A 224.0.0.251:5353 udp
GB 142.250.187.206:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.178.14:443 android.apis.google.com tcp

Files

N/A

Analysis: behavioral6

Detonation Overview

Submitted

2024-06-18 08:34

Reported

2024-06-18 08:37

Platform

android-x64-20240611.1-en

Max time network

132s

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.178.8:443 ssl.google-analytics.com tcp
GB 142.250.178.10:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.206:443 android.apis.google.com tcp
GB 142.250.178.14:443 tcp
GB 216.58.201.98:443 tcp
GB 142.250.179.228:443 tcp
GB 142.250.179.228:443 tcp
GB 216.58.213.14:443 tcp

Files

N/A

Analysis: behavioral7

Detonation Overview

Submitted

2024-06-18 08:34

Reported

2024-06-18 08:37

Platform

android-x64-arm64-20240611.1-en

Max time network

160s

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 172.217.16.232:443 ssl.google-analytics.com tcp
GB 142.250.187.206:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
US 1.1.1.1:53 android.apis.google.com udp
GB 216.58.204.78:443 android.apis.google.com tcp
GB 142.250.187.238:443 android.apis.google.com tcp
GB 216.58.201.100:443 tcp
GB 216.58.201.100:443 tcp
BE 66.102.1.188:5228 tcp
GB 142.250.179.238:443 tcp
GB 172.217.169.66:443 tcp
GB 172.217.169.3:443 tcp
US 1.1.1.1:53 www.google.com udp
GB 216.58.212.196:443 www.google.com tcp
US 1.1.1.1:53 www.youtube.com udp
GB 142.250.200.14:443 www.youtube.com tcp
US 1.1.1.1:53 growth-pa.googleapis.com udp
US 1.1.1.1:53 lh3-dz.googleusercontent.com udp
GB 216.58.212.193:443 lh3-dz.googleusercontent.com tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 216.58.212.238:443 android.apis.google.com tcp
US 1.1.1.1:53 lh3.googleusercontent.com udp
GB 142.250.178.1:443 lh3.googleusercontent.com tcp
US 1.1.1.1:53 accounts.google.com udp
BE 108.177.15.84:443 accounts.google.com tcp
GB 142.250.200.14:443 www.youtube.com tcp
US 1.1.1.1:53 www.google.com udp
GB 142.250.179.228:443 www.google.com tcp
US 1.1.1.1:53 mdh-pa.googleapis.com udp
GB 142.250.180.10:443 mdh-pa.googleapis.com tcp
US 1.1.1.1:53 update.googleapis.com udp
GB 142.250.187.195:443 update.googleapis.com tcp

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-18 08:34

Reported

2024-06-18 08:37

Platform

android-x86-arm-20240611.1-en

Max time kernel

80s

Max time network

141s

Command Line

com.exelweiss.stormgunnerpro

Signatures

Queries account information for other applications stored on the device

collection
Description Indicator Process Target
Framework service call android.accounts.IAccountManager.getAccountsAsUser N/A N/A
Framework service call android.accounts.IAccountManager.getAccounts N/A N/A

Queries information about active data network

discovery
Description Indicator Process Target
Framework service call android.net.IConnectivityManager.getActiveNetworkInfo N/A N/A

Queries information about the current Wi-Fi connection

discovery
Description Indicator Process Target
Framework service call android.net.wifi.IWifiManager.getConnectionInfo 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.exelweiss.stormgunnerpro

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 data.cnappbox.com udp
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
US 1.1.1.1:53 android.bcfads.com udp
US 13.248.169.48:443 android.bcfads.com tcp
US 1.1.1.1:53 adconfig.mobappbox.com udp
US 67.229.126.26:80 adconfig.mobappbox.com tcp
US 1.1.1.1:53 media.admob.com udp
BE 173.194.76.102:80 media.admob.com tcp
US 1.1.1.1:53 www.chartboost.com udp
GB 18.245.187.44:443 www.chartboost.com tcp
GB 18.245.187.44:443 www.chartboost.com tcp
GB 18.245.187.44:443 www.chartboost.com tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
GB 172.217.169.42:443 semanticlocation-pa.googleapis.com tcp

Files

/storage/emulated/0/Android/data/com.exelweiss.stormgunnerpro/files/GA_archive

MD5 ed7d418a112835a1927fd71a8c32083b
SHA1 8420ffe2c83c9342f58a295886edf22fe97fd70d
SHA256 0fd0d2ff69825358396c9c9ceebcc05f283630c00019ee36e7df9c48a87403b9
SHA512 ac03ce29dc2f8bc0aeb5c120d6e827261c12d65e56dd00bf3c631b2337a04d621d70808d157b9aeb83942af2254b04845f1fbecf524db0675095fcb00440ac66

/storage/emulated/0/JoyAdUnion/adrecord.rcd

MD5 86d206dd6d67b444886600c988489af4
SHA1 62cea4575fbd602c081d86296b0a54bece447616
SHA256 eb2d10b654a901b1af4f27fb67a889af95a3de99031de41d4f5be7ba714c6c3e
SHA512 4ec4b307ed2b36bd7b7f3425f003376c5c55fb49b1056234253e90006984ec3b4cc9568c0accab0518f0a1e5ec1116d1e523201556535a51f8c759a983534127

/storage/emulated/0/JoyAdUnion/adrecord.rcd

MD5 bcfedbef1d2b522290b699077c28002a
SHA1 e432a6326a169e931c94a3359e5b8cdfdf3f610b
SHA256 57bbad140f3f886b9d116d86cdc3972fa0de2907aaf7e4d465f212c7c5527e68
SHA512 93b8daa54280022524b8497ee30128c20bb9736748307e09ab573596202f630db2ba2f58ffc9220b5d10a66ff3fd7c6383f4ba79c85efa25cd64a23e2f0996ca

/storage/emulated/0/JoyAdUnion/adrecord.rcd

MD5 0ba8638cda68980c71e2b90bc557ac59
SHA1 2266bf9bc7bc7ce7de98749846cd2fbdc096ce1c
SHA256 9e859c83bae3a4effb40323fefc0d1b96018c0090f570f8a907fae49f7ffd01c
SHA512 304765ccd8b12407bb63841b559fdd688e2b1177638a95f3dc3a66e0baede4fd540fa20b6c9b3ed49b6a1c1ed9996ad61d7155412bd6a797c5af11876e4e6baa

/storage/emulated/0/JoyAdUnion/adrecord.rcd

MD5 0c0720d70617937c3bcaebdfdda44126
SHA1 ccc6de77b0c415fbe1768c4782a61755a5a14670
SHA256 59fc2489ab3ee5ecbf5ecb4ac03844d1157c0cf3e496d385053d9731af615b03
SHA512 f2fdb63ceea7d56fab007b836d978e0d2a866e5512d431d87e425578b744c31f70fb84e989fa12629b337b6242292082302974dec45b0fcaa9960168e135a98d

/storage/emulated/0/JoyAdUnion/adrecord.rcd

MD5 7502be5837e2b04929ef81478ecec7d8
SHA1 67e161e7436cbdf06c30af2450b23105cafa3384
SHA256 00a9d6fc3d9a7c205da8f1c83f30523531d6aaf04f86ad5fe556a44f506b7de2
SHA512 a21ef49efea0f158818f9369ddbe41a91d4f67c39a79cc1bd504115f3cc9cbee6028aef8060b870157cbc2569f7f7ac01653f1c171a409cd5c34873d18e25d55

/storage/emulated/0/Android/data/com.exelweiss.stormgunnerpro/files/GA_archive

MD5 ecd513b5ad2991ba87ced1f7f9cc6ac1
SHA1 e53cb701c9afe7892357c321090301035fa62c9a
SHA256 f7f22e8d0faa5a58a3d91be54ff2f30fe89f87e073545a6efb9a1d5dc93220a3
SHA512 0a34e9410cd1827687268b86c97984fedfc3f5862c7634574f1d02805725ebef828414eb630226391c192f829a89058d3d2c6ae50c86e3574ca4272296a2db3b

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-18 08:34

Reported

2024-06-18 08:37

Platform

android-x86-arm-20240611.1-en

Max time kernel

8s

Max time network

131s

Command Line

com.letang

Signatures

Queries information about active data network

discovery
Description Indicator Process Target
Framework service call android.net.IConnectivityManager.getActiveNetworkInfo N/A N/A

Reads information about phone network operator.

discovery

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

Processes

com.letang

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 142.250.187.206:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.206:443 android.apis.google.com tcp
GB 216.58.212.202:443 tcp

Files

N/A

Analysis: behavioral3

Detonation Overview

Submitted

2024-06-18 08:34

Reported

2024-06-18 08:37

Platform

android-x64-20240611.1-en

Max time kernel

8s

Max time network

148s

Command Line

com.letang

Signatures

Queries information about active data network

discovery
Description Indicator Process Target
Framework service call android.net.IConnectivityManager.getActiveNetworkInfo N/A N/A

Reads information about phone network operator.

discovery

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

Processes

com.letang

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 172.217.16.232:443 ssl.google-analytics.com tcp
GB 142.250.179.234:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 172.217.16.238:443 android.apis.google.com tcp
GB 142.250.200.46:443 tcp
GB 142.250.179.226:443 tcp
GB 142.250.179.228:443 tcp
GB 142.250.179.228:443 tcp
GB 142.250.200.46:443 tcp
GB 172.217.169.42:443 tcp
GB 172.217.169.42:443 tcp

Files

N/A