Malware Analysis Report

2025-01-19 08:07

Sample ID 240605-sngkmaae81
Target 98795b321c3f256b95d5248bbe643f7f_JaffaCakes118
SHA256 59c77cbbf2e68b2338b3e88eae8cf1d86bc079b17c0fa69471d20b45a227529f
Tags
discovery impact
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Mobile Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

59c77cbbf2e68b2338b3e88eae8cf1d86bc079b17c0fa69471d20b45a227529f

Threat Level: Shows suspicious behavior

The file 98795b321c3f256b95d5248bbe643f7f_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery impact

Queries information about running processes on the device

Queries information about active data network

Queries information about the current Wi-Fi connection

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

Requests dangerous framework permissions

Uses Crypto APIs (Might try to encrypt user data)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-05 15:16

Signatures

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 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
Required to be able to access the camera device. android.permission.CAMERA N/A N/A
Allows an application to record audio. android.permission.RECORD_AUDIO 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 read or write the system settings. android.permission.WRITE_SETTINGS 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 access to the list of accounts in the Accounts Service. android.permission.GET_ACCOUNTS N/A N/A
Allows an application to read from external storage. android.permission.READ_EXTERNAL_STORAGE N/A N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-05 15:16

Reported

2024-06-05 15:19

Platform

android-x64-20240603-en

Max time kernel

6s

Max time network

146s

Command Line

com.yunfei.qianjiangcgt

Signatures

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 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 unique device ID (IMEI, MEID, IMSI)

discovery

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

Processes

com.yunfei.qianjiangcgt

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 142.250.179.232:443 ssl.google-analytics.com tcp
US 1.1.1.1:53 api.map.baidu.com udp
HK 103.235.46.245:443 api.map.baidu.com tcp
GB 142.250.187.234:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 216.58.212.238:443 android.apis.google.com tcp
GB 172.217.169.14:443 tcp
GB 142.250.187.226:443 tcp
GB 142.250.187.228:443 tcp
US 1.1.1.1:53 www.google.com udp
GB 142.250.200.36:443 www.google.com tcp
GB 142.250.200.14:443 tcp

Files

/data/data/com.yunfei.qianjiangcgt/files/libcuid.so

MD5 ef7939ef31154876dcd774ada8844555
SHA1 5eb7e9585394521a851f2f0415193d4c67a6b88e
SHA256 3dde1f932bd93f0f82d4ddaf9af8cc96564d4ffc00403826372fef1312de251a
SHA512 7bb6c0f841b45bc9e6fa5f2a02809b22fe2347e91845462e5be207875aeec808b02593cdfa02182f6081b67cb257c3221b0643dac02c16be0c71d9c340878804

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-05 15:16

Reported

2024-06-05 15:19

Platform

android-x86-arm-20240603-en

Max time kernel

6s

Max time network

131s

Command Line

com.yunfei.qianjiangcgt

Signatures

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 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

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

Processes

com.yunfei.qianjiangcgt

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 api.map.baidu.com udp
HK 103.235.46.245:443 api.map.baidu.com tcp
GB 172.217.16.238:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.238:443 android.apis.google.com tcp

Files

/data/data/com.yunfei.qianjiangcgt/files/libcuid.so

MD5 02eef34429a49d49842b1f5fc7a4f45d
SHA1 4ed44e7e2ed4e58b1ed7d007f44f66c333d4fc8d
SHA256 b61eaf967c822d025897d7a83baac0debc8cd1443e6a7f634c396196674b26b8
SHA512 430df9486bb841e6c8dc230d3b25a1d25be00c8e9039287f474662f6265a539e51b88e56f9af76d3b3cad78c403469d771241d36414651f40adca4df3e8635ff

/storage/emulated/0/backups/.SystemConfig/.cuid

MD5 2f4e4cacced16d686f1626f124aa5ead
SHA1 11cf8b5e53c4cb906caf3d083c09fdc8fddd9bfe
SHA256 63fe278d0b6d41d471b2c7a83f6ab5c43563a052a565528dbf6818acf2401ab7
SHA512 4b7da3f95ec1fe44fe5b16a8f71ce7b19472b71c0307c4500023cf9b20f3287199e2f8b0d66df7589798278a3af6a8ef4527372d09e31b83c61485bd9ea9aee9