Malware Analysis Report

2024-09-09 17:48

Sample ID 240613-k1emsswcpm
Target a4c33215aeab02591481783d8c2dc60b_JaffaCakes118
SHA256 4f056e3168a206fc5d2001908da6219cb0ce4fba4158d9cd77b11877d8513b33
Tags
discovery evasion impact persistence
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 Overview

score
8/10

SHA256

4f056e3168a206fc5d2001908da6219cb0ce4fba4158d9cd77b11877d8513b33

Threat Level: Likely malicious

The file a4c33215aeab02591481783d8c2dc60b_JaffaCakes118 was found to be: Likely malicious.

Malicious Activity Summary

discovery evasion impact persistence

Checks if the Android device is rooted.

Queries information about active data network

Queries information about the current Wi-Fi connection

Requests dangerous framework permissions

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 Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-13 09:03

Signatures

Requests dangerous framework permissions

Description Indicator Process Target
Allows an application to record audio. android.permission.RECORD_AUDIO 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 app to access approximate location. android.permission.ACCESS_COARSE_LOCATION N/A N/A
Allows an app to access precise location. android.permission.ACCESS_FINE_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 read or write the system settings. android.permission.WRITE_SETTINGS N/A N/A
Required to be able to access the camera device. android.permission.CAMERA 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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-13 09:03

Reported

2024-06-13 09:06

Platform

android-x86-arm-20240611.1-en

Max time kernel

13s

Max time network

138s

Command Line

com.wta.NewCloudApp.jiuwei69108

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.wta.NewCloudApp.jiuwei69108

/system/bin/sh -c getprop ro.board.platform

getprop ro.board.platform

/system/bin/sh -c type su

logcat -d -v threadtime

logcat -d -v threadtime

/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 rqd.uu.qq.com udp
HK 43.135.106.212:80 rqd.uu.qq.com tcp
HK 43.135.106.212:80 rqd.uu.qq.com tcp
GB 216.58.212.238:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.179.238:443 android.apis.google.com tcp

Files

/data/data/com.wta.NewCloudApp.jiuwei69108/databases/bugly_db_lejiagu-journal

MD5 cd03380c8ad5eef29e8c164e949cd898
SHA1 ad3c9978d2e4959ebaa6c38e1dc1c0fe54919f9f
SHA256 d40af846c8ba47fc550211cad2e088cae07a56dbed2da3aa06fa501c609fa45e
SHA512 d006332576d15aa6652225ce934b505ea742168278272c83f74029c0932090e7e905ae94b4c7bd66f6c22899bb7c399c6380f927342baa8bbc76b3059ef5df03

/data/data/com.wta.NewCloudApp.jiuwei69108/databases/bugly_db_lejiagu

MD5 f2b4b0190b9f384ca885f0c8c9b14700
SHA1 934ff2646757b5b6e7f20f6a0aa76c7f995d9361
SHA256 0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514
SHA512 ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

/data/data/com.wta.NewCloudApp.jiuwei69108/databases/bugly_db_lejiagu-shm

MD5 bb7df04e1b0a2570657527a7e108ae23
SHA1 5188431849b4613152fd7bdba6a3ff0a4fd6424b
SHA256 c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479
SHA512 768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

/data/data/com.wta.NewCloudApp.jiuwei69108/databases/bugly_db_lejiagu-wal

MD5 d42808fff4417afa81366087178a02c1
SHA1 461f1d64cddbc956ebeb7123ffe709a15d1e2b76
SHA256 ab795429c02efa4606b3e4d75097f471e4cce749cd7b7aaac0e95eeb926f0341
SHA512 7fc1f1748c65f11d9461664e976452ea6c01914308eeb4fab99df2f78b8ef9d804366668689a99f11e4cd2009cc9e282df366f74c022966b3c0bff72320c054a