Malware Analysis Report

2024-09-09 19:09

Sample ID 240509-crs5tsfh52
Target 27d205ef717562d9df6ef2768b40e20b_JaffaCakes118
SHA256 b5f9a2b92bccb21d7cdd0d81c3d5b4a63ad04775e288218f1a8e5a79ed54025d
Tags
collection discovery evasion impact privilege_escalation stealth trojan
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: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
8/10

SHA256

b5f9a2b92bccb21d7cdd0d81c3d5b4a63ad04775e288218f1a8e5a79ed54025d

Threat Level: Likely malicious

The file 27d205ef717562d9df6ef2768b40e20b_JaffaCakes118 was found to be: Likely malicious.

Malicious Activity Summary

collection discovery evasion impact privilege_escalation stealth trojan

Requests changing the default SMS application.

Removes its main activity from the application launcher

Queries the mobile country code (MCC)

Queries the phone number (MSISDN for GSM devices)

Tries to add a device administrator.

Requests dangerous framework permissions

Declares broadcast receivers with permission to handle system events

Reads information about phone network operator.

Queries the unique device ID (IMEI, MEID, IMSI)

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-09 02:19

Signatures

Declares broadcast receivers with permission to handle system events

Description Indicator Process Target
Required by device admin receivers to bind with the system. Allows apps to manage device administration features. android.permission.BIND_DEVICE_ADMIN N/A N/A

Requests dangerous framework permissions

Description Indicator Process Target
Allows an application to write to external storage. android.permission.WRITE_EXTERNAL_STORAGE N/A N/A
Allows an application to read from external storage. android.permission.READ_EXTERNAL_STORAGE N/A N/A
Allows an application to record audio. android.permission.RECORD_AUDIO N/A N/A
Allows an application to send SMS messages. android.permission.SEND_SMS N/A N/A
Allows an app to create windows using the type LayoutParams.TYPE_APPLICATION_OVERLAY, shown on top of all other apps. android.permission.SYSTEM_ALERT_WINDOW N/A N/A
Allows an application to read SMS messages. android.permission.READ_SMS N/A N/A
Allows an application to read the user's contacts data. android.permission.READ_CONTACTS N/A N/A
Required to be able to access the camera device. android.permission.CAMERA N/A N/A
Allows an app to access precise location. android.permission.ACCESS_FINE_LOCATION N/A N/A
Allows an app to access approximate location. android.permission.ACCESS_COARSE_LOCATION 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
Allows an application to receive SMS messages. android.permission.RECEIVE_SMS N/A N/A
Allows an application to initiate a phone call without going through the Dialer user interface for the user to confirm the call. android.permission.CALL_PHONE N/A N/A
Allows an application to read the user's call log. android.permission.READ_CALL_LOG N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-09 02:18

Reported

2024-05-09 02:21

Platform

android-x86-arm-20240506-en

Max time kernel

117s

Max time network

130s

Command Line

zzzzzz.xxxxxx.cccccc

Signatures

Removes its main activity from the application launcher

stealth trojan evasion
Description Indicator Process Target
N/A N/A N/A N/A

Requests changing the default SMS application.

collection impact
Description Indicator Process Target
Intent action android.provider.Telephony.ACTION_CHANGE_DEFAULT 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

Queries the phone number (MSISDN for GSM devices)

discovery

Tries to add a device administrator.

privilege_escalation impact
Description Indicator Process Target
Intent action android.app.action.ADD_DEVICE_ADMIN N/A N/A

Reads information about phone network operator.

discovery

Processes

zzzzzz.xxxxxx.cccccc

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 travimzukov.in udp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
GB 142.250.187.234:443 semanticlocation-pa.googleapis.com tcp
GB 142.250.178.14:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.179.238:443 android.apis.google.com tcp
GB 142.250.187.202:443 semanticlocation-pa.googleapis.com tcp
GB 142.250.187.202:443 semanticlocation-pa.googleapis.com tcp

Files

/storage/emulated/0/help.txt

MD5 73329564760013a7824ff9d5d1af91ff
SHA1 85841abddb12dc3591a5990c6527df65a5e63c87
SHA256 a51a6c19a1ffc7416827e89adf20749d23ad42452c396cf7e627409f2896922c
SHA512 344b1271efcc084b24e4e75223f1a900ec127c1e979aeab32bfed887712388a7ceeb8bd9e70d5c1721ac6dd1e64d640ec973f9ef16d6f0f85e6870e53edab00a

/data/data/zzzzzz.xxxxxx.cccccc/files/INSTALLATION

MD5 6016e4355476b1140c1fd2682894fa73
SHA1 0d5c968f68c9a95cbcac94cbc3e8b630000266a2
SHA256 0f2f2fdcf64cee88db9adddff299c8e21c5294aac7a00280b385dbfd2b38d5e1
SHA512 786b5399f2f3fb79f94064434bb521fb18896c7902365b3768a21159b30a61c057407a7aa743d8976279c2f1bda72245c0e522f24f990972b198a0c3519d7319

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-09 02:18

Reported

2024-05-09 02:22

Platform

android-x64-20240506-en

Max time kernel

3s

Max time network

131s

Command Line

zzzzzz.xxxxxx.cccccc

Signatures

Removes its main activity from the application launcher

stealth trojan evasion
Description Indicator Process Target
N/A N/A N/A N/A

Queries the unique device ID (IMEI, MEID, IMSI)

discovery

Processes

zzzzzz.xxxxxx.cccccc

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 172.217.169.8:443 ssl.google-analytics.com tcp
GB 142.250.200.10:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 172.217.16.238:443 android.apis.google.com tcp
GB 216.58.201.110:443 tcp
GB 216.58.212.194:443 tcp
GB 142.250.178.4:443 tcp
GB 142.250.178.4:443 tcp
GB 216.58.204.78:443 tcp

Files

/storage/emulated/0/help.txt

MD5 73329564760013a7824ff9d5d1af91ff
SHA1 85841abddb12dc3591a5990c6527df65a5e63c87
SHA256 a51a6c19a1ffc7416827e89adf20749d23ad42452c396cf7e627409f2896922c
SHA512 344b1271efcc084b24e4e75223f1a900ec127c1e979aeab32bfed887712388a7ceeb8bd9e70d5c1721ac6dd1e64d640ec973f9ef16d6f0f85e6870e53edab00a

Analysis: behavioral3

Detonation Overview

Submitted

2024-05-09 02:18

Reported

2024-05-09 02:22

Platform

android-x64-arm64-20240506-en

Max time kernel

2s

Max time network

132s

Command Line

zzzzzz.xxxxxx.cccccc

Signatures

Removes its main activity from the application launcher

stealth trojan evasion
Description Indicator Process Target
N/A N/A N/A N/A

Processes

zzzzzz.xxxxxx.cccccc

Network

Country Destination Domain Proto
GB 142.250.179.238:443 tcp
GB 142.250.179.238:443 tcp
GB 142.250.179.238:443 tcp
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.187.200:443 ssl.google-analytics.com tcp
GB 216.58.201.100:443 tcp
GB 216.58.201.100:443 tcp
GB 142.250.178.2:443 tcp
GB 142.250.180.6:443 tcp
GB 216.58.204.66:443 tcp

Files

/storage/emulated/0/help.txt

MD5 73329564760013a7824ff9d5d1af91ff
SHA1 85841abddb12dc3591a5990c6527df65a5e63c87
SHA256 a51a6c19a1ffc7416827e89adf20749d23ad42452c396cf7e627409f2896922c
SHA512 344b1271efcc084b24e4e75223f1a900ec127c1e979aeab32bfed887712388a7ceeb8bd9e70d5c1721ac6dd1e64d640ec973f9ef16d6f0f85e6870e53edab00a