Malware Analysis Report

2025-01-19 07:59

Sample ID 240616-r4ce6s1eqj
Target b40ce7baba03813196c0cdef7ebf525b_JaffaCakes118
SHA256 1cf6b80a9c7a481cbac0075ee89273b28773a5408235c5c4c39487964965f943
Tags
discovery evasion impact persistence
score
8/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Mobile Matrix V15

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: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral5

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
8/10

SHA256

1cf6b80a9c7a481cbac0075ee89273b28773a5408235c5c4c39487964965f943

Threat Level: Likely malicious

The file b40ce7baba03813196c0cdef7ebf525b_JaffaCakes118 was found to be: Likely malicious.

Malicious Activity Summary

discovery evasion impact persistence

Checks if the Android device is rooted.

Requests dangerous framework permissions

Queries information about active data network

Queries information about the current Wi-Fi connection

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

Uses Crypto APIs (Might try to encrypt user data)

Checks memory information

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-16 14:44

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 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 write to external storage. android.permission.WRITE_EXTERNAL_STORAGE 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 app to access precise location. android.permission.ACCESS_FINE_LOCATION N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-16 14:44

Reported

2024-06-16 14:47

Platform

android-x86-arm-20240611.1-en

Max time kernel

17s

Max time network

131s

Command Line

com.cgj.llkbaoshi

Signatures

Checks if the Android device is rooted.

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

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 memory information

Description Indicator Process Target
File opened for read /proc/meminfo N/A N/A

Processes

com.cgj.llkbaoshi

/system/bin/sh -c type su

logcat -d -v threadtime

logcat -d -v threadtime

/system/bin/sh -c getprop ro.miui.ui.version.name

getprop ro.miui.ui.version.name

/system/bin/sh -c getprop ro.build.version.emui

getprop ro.build.version.emui

/system/bin/sh -c getprop ro.lenovo.series

getprop ro.lenovo.series

/system/bin/sh -c getprop ro.build.nubia.rom.name

getprop ro.build.nubia.rom.name

/system/bin/sh -c getprop ro.meizu.product.model

getprop ro.meizu.product.model

/system/bin/sh -c getprop ro.build.version.opporom

getprop ro.build.version.opporom

/system/bin/sh -c getprop ro.vivo.os.build.display.id

getprop ro.vivo.os.build.display.id

/system/bin/sh -c getprop ro.aa.romver

getprop ro.aa.romver

/system/bin/sh -c getprop ro.lewa.version

getprop ro.lewa.version

/system/bin/sh -c getprop ro.gn.gnromvernumber

getprop ro.gn.gnromvernumber

/system/bin/sh -c getprop ro.build.tyd.kbstyle_version

getprop ro.build.tyd.kbstyle_version

/system/bin/sh -c getprop ro.build.fingerprint

getprop ro.build.fingerprint

/system/bin/sh -c getprop ro.build.rom.id

getprop ro.build.rom.id

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 android.bugly.qq.com udp
CN 119.147.179.152:80 android.bugly.qq.com tcp
GB 142.250.187.206:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.200.14:443 android.apis.google.com tcp

Files

/data/data/com.cgj.llkbaoshi/databases/bugly_db_legu-journal

MD5 81e2c02b3334372de976a168f0e433dd
SHA1 e41acc2381e950c5d591f3153cba6f94e3de085f
SHA256 8f2dedb082dbe4cbd97d5deb288fbaea4db8d075d5b8e4523f9d29244ab80dbd
SHA512 119214175779a617323b15877d37ec5eec4e2ab6618627de3a9c6d4aa5d480207b901eec5b558af856ec1fa042bcdf40074d78c260bb775a3f66e506c4a1e8fa

/data/data/com.cgj.llkbaoshi/databases/bugly_db_legu

MD5 f2b4b0190b9f384ca885f0c8c9b14700
SHA1 934ff2646757b5b6e7f20f6a0aa76c7f995d9361
SHA256 0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514
SHA512 ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

/data/data/com.cgj.llkbaoshi/databases/bugly_db_legu-shm

MD5 bb7df04e1b0a2570657527a7e108ae23
SHA1 5188431849b4613152fd7bdba6a3ff0a4fd6424b
SHA256 c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479
SHA512 768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

/data/data/com.cgj.llkbaoshi/databases/bugly_db_legu-wal

MD5 09173407dfa98860adeae3e68a9817b4
SHA1 ba044227a84d10fefd56c8e2b53d0e38f8b68b49
SHA256 037133a56308a7aeb55d5ce00e3795a95c964fef2c714a212bd6068749427acb
SHA512 bc2e0e0df74d1cb0b2202a20010c09c8ad4cdc21e784e7abb84b085fb1776b2c5a40c765fffb728451136decaa2748c1c859ef572db3c6f6711d367aff1cf1be

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-16 14:44

Reported

2024-06-16 14:44

Platform

android-x86-arm-20240611.1-en

Max time network

4s

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

Country Destination Domain Proto
GB 172.217.169.74:443 tcp
N/A 224.0.0.251:5353 udp

Files

N/A

Analysis: behavioral3

Detonation Overview

Submitted

2024-06-16 14:44

Reported

2024-06-16 14:44

Platform

android-x64-20240611.1-en

Max time network

6s

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp

Files

N/A

Analysis: behavioral4

Detonation Overview

Submitted

2024-06-16 14:44

Reported

2024-06-16 14:44

Platform

android-x64-arm64-20240611.1-en

Max time network

7s

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

Country Destination Domain Proto
GB 172.217.16.238:443 tcp
GB 172.217.16.238:443 tcp
N/A 224.0.0.251:5353 udp

Files

N/A

Analysis: behavioral5

Detonation Overview

Submitted

2024-06-16 14:44

Reported

2024-06-16 14:44

Platform

android-x86-arm-20240611.1-en

Max time network

5s

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

Files

N/A