Malware Analysis Report

2024-09-09 17:37

Sample ID 240614-crmcaavhrp
Target a7b29ced6a0601cd1c39dfcccffd1a14_JaffaCakes118
SHA256 957ef5c2ef5efbacb1469fb55de10c0a77169c77de8467b7ba5362530cdc8442
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

957ef5c2ef5efbacb1469fb55de10c0a77169c77de8467b7ba5362530cdc8442

Threat Level: Likely malicious

The file a7b29ced6a0601cd1c39dfcccffd1a14_JaffaCakes118 was found to be: Likely malicious.

Malicious Activity Summary

discovery evasion impact persistence

Checks if the Android device is rooted.

Queries information about the current Wi-Fi connection

Requests dangerous framework permissions

Queries information about active data network

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

2024-06-14 02:18

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 application to write to external storage. android.permission.WRITE_EXTERNAL_STORAGE N/A N/A
Allows an application to read the user's contacts data. android.permission.READ_CONTACTS N/A N/A
Allows an application to write the user's calendar data. android.permission.WRITE_CALENDAR N/A N/A
Allows an application to read the user's calendar data. android.permission.READ_CALENDAR 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 record audio. android.permission.RECORD_AUDIO 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 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 from external storage. android.permission.READ_EXTERNAL_STORAGE N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-14 02:18

Reported

2024-06-14 02:22

Platform

android-x86-arm-20240611.1-en

Max time kernel

17s

Max time network

157s

Command Line

tv.peel.app

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

tv.peel.app

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

chmod 700 /data/user/0/tv.peel.app/tx_shell/libshellx-2.9.1.2.so

getprop ro.board.platform

/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 semanticlocation-pa.googleapis.com udp
US 1.1.1.1:53 android.bugly.qq.com udp
CN 14.22.7.140:80 android.bugly.qq.com tcp
GB 216.58.201.110:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.206:443 android.apis.google.com tcp

Files

/data/data/tv.peel.app/databases/bugly_db_legu-journal

MD5 132674933a20a779793a73b23ebbfc26
SHA1 14eca9d503d39ab9a9ae3bce548e95b1de622011
SHA256 21f1ffcb3e486aea3e410e36168c8050250ff4dc74fa450d2942100c57850f9a
SHA512 b6fb3e799daa67324535458382c92424f72160470270eb7c8152b55990f1aa8b6fbd01575572100f4c9a0382cabb4f680241a7910ed304ed769bab19bfe2f1fb

/data/data/tv.peel.app/databases/bugly_db_legu

MD5 f2b4b0190b9f384ca885f0c8c9b14700
SHA1 934ff2646757b5b6e7f20f6a0aa76c7f995d9361
SHA256 0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514
SHA512 ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

/data/data/tv.peel.app/databases/bugly_db_legu-shm

MD5 bb7df04e1b0a2570657527a7e108ae23
SHA1 5188431849b4613152fd7bdba6a3ff0a4fd6424b
SHA256 c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479
SHA512 768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

/data/data/tv.peel.app/databases/bugly_db_legu-wal

MD5 fb7ace6aa989f207e31a7aadd2fa91c5
SHA1 06d9835e86c9dca8466dc285b9f42177c6c50bdf
SHA256 2d5416b7f6e447f49d71e72d3f118b5a7c90a1ffea0319b1e31186b10850e451
SHA512 f6d5ab763591fcef11bcf5c2a52a886b9b38a420fedf334a297415301eef30b0b60d42758ea8d678e7e87dea25a912105abeb5db4c6f0f2ac5b304a8144f5a19

/data/data/tv.peel.app/tx_shell/libshellx-2.9.1.2.so

MD5 4094c5a94b5af8f844e7d1dc13e52432
SHA1 95af46988df8cbbcc50bf6ebe12f5ff65e2c0fd8
SHA256 8c3b75952dd7bd2584e930a05d7c4c07079fff2ceb0dc95891a6ccef50c1554f
SHA512 bfeef3ba42bf63a147a9363d485dbd64224ac5add0ae24471ef7df97639a3c4bac2080ee184f7a23e9f1afb7f88d2f03ae7102b72a54445bde97e6b7e8beb5e0