Malware Analysis Report

2024-10-19 13:26

Sample ID 240614-gymc3sxhmd
Target a846cdc3c979828231ea5627a9a26cf4_JaffaCakes118
SHA256 7ced65951d8cf59ba05a46bc4fa12b80dbe4aabc1194bc0c69f2ea8de2706e74
Tags
score
6/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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
6/10

SHA256

7ced65951d8cf59ba05a46bc4fa12b80dbe4aabc1194bc0c69f2ea8de2706e74

Threat Level: Shows suspicious behavior

The file a846cdc3c979828231ea5627a9a26cf4_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary


Requests dangerous framework permissions

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-14 06:12

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
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 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 read or write the system settings. android.permission.WRITE_SETTINGS N/A N/A
Allows an application to read or write the system settings. android.permission.WRITE_SETTINGS N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-14 06:12

Reported

2024-06-14 06:16

Platform

android-x86-arm-20240611.1-en

Max time kernel

4s

Max time network

131s

Command Line

com.ruanmeng.fangbangmai

Signatures

N/A

Processes

com.ruanmeng.fangbangmai

chmod 755 /data/user/0/com.ruanmeng.fangbangmai/.jiagu/libjiagu.so

/system/bin/dex2oat --instruction-set=x86 --dex-file=/data/data/com.ruanmeng.fangbangmai/.jiagu/classes.dex --dex-file=/data/data/com.ruanmeng.fangbangmai/.jiagu/classes2.dex --oat-file=/data/data/com.ruanmeng.fangbangmai/.jiagu/classes.oat --inline-depth-limit=0 --compiler-filter=speed

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 216.58.204.78:443 android.apis.google.com tcp

Files

/data/data/com.ruanmeng.fangbangmai/.jiagu/libjiagu.so

MD5 350725f563f224eafc5105c95e122ae0
SHA1 39bfbebc17cc2e68de75858f3e6a7e591de5c587
SHA256 2f23bbae04cb5c6dea52e9c02762a5872c3999796a2fd127a7b77374cc37e936
SHA512 592cf1b26694b1da203e27496ffb5da498c025b4c9bc174bc6c2dd17aa65bd63bc2ed76952237cfad4c60c527bb285631d1988fcb2a0aa179c7bf2c5dd68f852

/data/data/com.ruanmeng.fangbangmai/.jiagu/classes.dex

MD5 926f9840ec8e863c9a5e0e54db07ebf0
SHA1 3eb376c4bd16b62f240915ffe28d1d0b0bb8ac45
SHA256 2ea31f1f8c87f635f2c4c092425fa0aea4f58b4a78a9d4df142963b125ef6c54
SHA512 771f882f25a723795981f74bff6f36de57ccc22f2fa65a4abce2eba9c3e3fe8cf9f4a10d8480dfd77d307e7f75232b3ca5f6d32c299f80303861852f72df2113

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-14 06:12

Reported

2024-06-14 06:16

Platform

android-33-x64-arm64-20240611.1-en

Max time kernel

8s

Max time network

179s

Command Line

com.ruanmeng.fangbangmai

Signatures

N/A

Processes

com.ruanmeng.fangbangmai

Network

Country Destination Domain Proto
GB 172.217.169.68:443 udp
GB 172.217.169.68:443 udp
BE 142.251.168.188:5228 tcp
GB 142.250.179.228:443 tcp
N/A 224.0.0.251:5353 udp
GB 142.250.180.10:443 udp
GB 142.250.180.10:443 tcp
GB 216.58.212.227:443 tcp
US 172.64.41.3:443 tcp
US 172.64.41.3:443 tcp
GB 142.250.200.3:443 tcp
US 172.64.41.3:443 udp
GB 142.250.200.3:443 udp
GB 172.217.169.68:443 udp
GB 142.250.179.228:443 tcp

Files

/data/user/0/com.ruanmeng.fangbangmai/.jiagu/libjiagu.so

MD5 46c14ec7d4e87ef0cacfd8dabeaa45c5
SHA1 e9c4a64553e8c6241cedf11e28027e479823726a
SHA256 070dd5d1e2f711b5a5fa8ef464e3282239413770fed0685cb871697e4dbb92d1
SHA512 9d3ce3a4bd0a5868680a27f6ab9573ff76f4911bac1114b60ce7cb1ff9ef387015d9439d51edddbf9d3a3e774e3947c2f256df69a0e7dadca8216fd53b4c95e5