Malware Analysis Report

2025-01-19 05:04

Sample ID 240605-tfxsbabd5x
Target 988f6442a1bedbf47d4520f5eb110415_JaffaCakes118
SHA256 c7734c5b20909c6586a5c2f9bf777cd49c579a07fc529f2d6a2c62d62e844a1c
Tags
banker collection discovery evasion execution 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 Overview

score
8/10

SHA256

c7734c5b20909c6586a5c2f9bf777cd49c579a07fc529f2d6a2c62d62e844a1c

Threat Level: Likely malicious

The file 988f6442a1bedbf47d4520f5eb110415_JaffaCakes118 was found to be: Likely malicious.

Malicious Activity Summary

banker collection discovery evasion execution impact persistence

Checks if the Android device is rooted.

Queries information about the current nearby Wi-Fi networks

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)

Requests cell location

Queries information about running processes on the device

Checks known Qemu pipes.

Queries the phone number (MSISDN for GSM devices)

Checks known Qemu files.

Acquires the wake lock

Requests dangerous framework permissions

Queries information about the current Wi-Fi connection

Reads information about phone network operator.

Queries information about active data network

Domain associated with commercial stalkerware software, includes indicators from echap.eu.org

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

Schedules tasks to execute at a specified time

Uses Crypto APIs (Might try to encrypt user data)

Checks CPU information

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-05 16:00

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 read the user's contacts data. android.permission.READ_CONTACTS N/A N/A
Allows an application to see the number being dialed during an outgoing call with the option to redirect the call to a different number or abort the call altogether. android.permission.PROCESS_OUTGOING_CALLS N/A N/A
Required to be able to access the camera device. android.permission.CAMERA 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 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 read or write the system settings. android.permission.WRITE_SETTINGS 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 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 application to read the user's calendar data. android.permission.READ_CALENDAR N/A N/A
Allows an application to write the user's calendar data. android.permission.WRITE_CALENDAR N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-05 16:00

Reported

2024-06-05 16:03

Platform

android-x86-arm-20240603-en

Max time kernel

177s

Max time network

187s

Command Line

com.zsisland.yueju

Signatures

Checks if the Android device is rooted.

evasion
Description Indicator Process Target
N/A /system/bin/su N/A N/A
N/A /system/xbin/su N/A N/A

Checks known Qemu files.

evasion
Description Indicator Process Target
N/A /system/bin/qemu-props N/A N/A
N/A /system/lib/libc_malloc_debug_qemu.so N/A N/A
N/A /sys/qemu_trace N/A N/A

Checks known Qemu pipes.

evasion
Description Indicator Process Target
N/A /dev/socket/qemud N/A N/A
N/A /dev/qemu_pipe N/A N/A

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)

banker discovery

Queries information about running processes on the device

discovery
Description Indicator Process Target
Framework service call android.app.IActivityManager.getRunningAppProcesses N/A N/A
Framework service call android.app.IActivityManager.getRunningAppProcesses N/A N/A
Framework service call android.app.IActivityManager.getRunningAppProcesses N/A N/A
Framework service call android.app.IActivityManager.getRunningAppProcesses N/A N/A
Framework service call android.app.IActivityManager.getRunningAppProcesses N/A N/A

Queries information about the current nearby Wi-Fi networks

discovery
Description Indicator Process Target
Framework service call android.net.wifi.IWifiManager.getScanResults N/A N/A

Queries the phone number (MSISDN for GSM devices)

discovery

Requests cell location

collection discovery evasion
Description Indicator Process Target
Framework service call com.android.internal.telephony.ITelephony.getCellLocation N/A N/A

Acquires the wake lock

Description Indicator Process Target
Framework service call android.os.IPowerManager.acquireWakeLock N/A N/A

Domain associated with commercial stalkerware software, includes indicators from echap.eu.org

Description Indicator Process Target
N/A alog.umeng.com 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
Framework service call android.net.IConnectivityManager.getActiveNetworkInfo N/A N/A
Framework service call android.net.IConnectivityManager.getActiveNetworkInfo N/A N/A
Framework service call android.net.IConnectivityManager.getActiveNetworkInfo N/A N/A
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
Framework service call android.net.wifi.IWifiManager.getConnectionInfo N/A N/A

Reads information about phone network operator.

discovery

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
Framework service call android.app.IActivityManager.registerReceiver N/A N/A
Framework service call android.app.IActivityManager.registerReceiver N/A N/A
Framework service call android.app.IActivityManager.registerReceiver N/A N/A

Schedules tasks to execute at a specified time

execution persistence
Description Indicator Process Target
Framework service call android.app.job.IJobScheduler.schedule N/A N/A
Framework service call android.app.job.IJobScheduler.schedule 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 CPU information

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

Processes

com.zsisland.yueju

com.zsisland.yueju:ipc

io.rong.push

com.zsisland.yueju:monitorService

com.zsisland.yueju:monitorService

getprop wifi.interface

getprop wifi.interface

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 stats.cn.ronghub.com udp
GB 8.208.8.123:443 stats.cn.ronghub.com tcp
US 1.1.1.1:53 api.zhyueju.com udp
US 1.1.1.1:53 alog.umeng.com udp
CN 223.109.148.177:80 alog.umeng.com tcp
US 1.1.1.1:53 nav.cn.ronghub.com udp
US 1.1.1.1:53 s.jpush.cn udp
CN 123.60.89.60:19000 s.jpush.cn udp
GB 8.208.8.123:80 nav.cn.ronghub.com tcp
US 1.1.1.1:53 www.3322.org udp
US 1.1.1.1:53 sis.jpush.io udp
CN 139.159.137.254:19000 sis.jpush.io udp
GB 142.250.187.206:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
CN 118.184.169.48:80 www.3322.org tcp
US 1.1.1.1:53 urd103.analysys.cn udp
CN 103.234.21.36:8089 urd103.analysys.cn tcp
CN 223.109.148.130:80 alog.umeng.com tcp
GB 142.250.187.206:443 android.apis.google.com tcp
US 1.1.1.1:53 easytomessage.com udp
CN 123.60.89.60:19000 easytomessage.com udp
CN 113.31.17.108:19000 udp
CN 223.109.148.178:80 alog.umeng.com tcp
US 1.1.1.1:53 tcp
US 1.1.1.1:53 119.3.188.193 udp
CN 113.31.17.106:7000 tcp
CN 123.60.89.60:19000 easytomessage.com udp
CN 139.159.137.254:19000 easytomessage.com udp
CN 123.60.89.60:19000 easytomessage.com udp
CN 113.31.17.108:19000 udp
US 1.1.1.1:53 tcp
CN 113.31.17.106:7000 tcp
CN 123.60.89.60:19000 easytomessage.com udp
CN 139.159.137.254:19000 easytomessage.com udp
CN 123.60.89.60:19000 easytomessage.com udp
CN 113.31.17.108:19000 udp
US 1.1.1.1:53 tcp
CN 113.31.17.106:7000 tcp
CN 123.60.89.60:19000 easytomessage.com udp
CN 139.159.137.254:19000 easytomessage.com udp
CN 123.60.89.60:19000 easytomessage.com udp
CN 113.31.17.108:19000 udp
US 1.1.1.1:53 _im64._tcp.jpush.cn tcp
CN 113.31.17.106:7000 tcp
US 1.1.1.1:53 city.ip138.com udp
CN 110.81.155.137:80 city.ip138.com tcp
CN 123.60.89.60:19000 easytomessage.com udp
CN 139.159.137.254:19000 easytomessage.com udp
CN 123.60.89.60:19000 easytomessage.com udp
CN 113.31.17.108:19000 udp
US 1.1.1.1:53 tcp
US 1.1.1.1:53 im64.jpush.cn udp
CN 124.71.183.120:7000 im64.jpush.cn tcp
CN 124.71.183.120:7002 im64.jpush.cn tcp

Files

/data/data/com.zsisland.yueju/databases/YueJu.db-journal

MD5 79b87a6ca814427f2240e0d49917ad9e
SHA1 c67772a2922495647472d0aa492f6116ddc51725
SHA256 3e4bb71d0718261bddfcfde1187e009d9518881a7918e6b9980b5404e6f6d77a
SHA512 e90c47f3f95f112985ba6bcc39f6aad9fdc9d041eae2c14884ea75707e13c189c2f718f8faee953d748e6d0d10ff7d6ac593e8ba5eb91a217a0e771434ecd11b

/data/data/com.zsisland.yueju/databases/YueJu.db

MD5 f2b4b0190b9f384ca885f0c8c9b14700
SHA1 934ff2646757b5b6e7f20f6a0aa76c7f995d9361
SHA256 0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514
SHA512 ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

/data/data/com.zsisland.yueju/databases/YueJu.db-shm

MD5 be4d32db65b1f860db6e7366f51994b0
SHA1 122468ed782a1527515e3d114137f9735edccc96
SHA256 729f9f307ef1c1f931b88972ab8e74fd532325de2098ad322f52b1eb290022cb
SHA512 d4cba6f234b335830d9b1a79ec765ac05d1ea82067934b1425e1a547ef92d01640bcd2de770d12b508ce259746d300f907489446eacc780020b0f122979eee79

/data/data/com.zsisland.yueju/databases/YueJu.db-wal

MD5 521df072a839d1b453db6883da2c6bbe
SHA1 faa485291e598f2aca1e56ebd32a8ed00e32d639
SHA256 dd6cde7f796751919aa4cba5f3e76f0a11e3b376536a7d33507d1cd1c88a6f18
SHA512 cfd8d7384b9e81fb2d8e195e1ae66d38906a268aac63d57dc6571813827a487ec3bbe145f1bd075712448b463d354460076fc2c7f8489ab5ce33eae639de7a68

/data/data/com.zsisland.yueju/files/umeng_it.cache

MD5 d21bf371d05a7d721360165215b85aa9
SHA1 441ad70da3885d42d1ba99c87de7b2922272e0ac
SHA256 7c4c9e035a0938ec34c9b725eb1a7b379479f117481f65a9b518f257c5c3859c
SHA512 4afed4c0d6b7510e81a036c2cc0770218472a161ade682daf60ec58d23f17c4f220854be28dca361c51810d4d7a6b057c939eb6f06b08fd2bf3e67c236be5f1d

/data/data/com.zsisland.yueju/files/.umeng/exchangeIdentity.json

MD5 e0478558d2a7614b32585b44dcc27a9e
SHA1 79ed03ec893cc82d79635f8f3ed8db53f720f07f
SHA256 47a81bd043cd867697f138498ed9de8320817c1f92e6c3c350b62fea742c358c
SHA512 4c19102952b7da8bfd3fdaee781e77cda1e8240176d2300f346369896621d217b967b996180fba7d85ddc1087f12c3227f2f8ea63ef43b59c238bf4c026ffcd1

/storage/emulated/0/data/.push_deviceid

MD5 f66159bc8ff6976a3162d2d273e2fb95
SHA1 4cbd41ba80465df623eb1f92c1c881fc8cf94946
SHA256 f36e48844251c3b3f2ab14bab7048594859a9547d90ffa67cb73a337d7e1e19f
SHA512 7d64371d5d277b8a9fb333b0fe6dea4d6824b9974641577d7ac91ed2835cbccabdc15e5c07f39eff3b255be639278d56e7e293932427a29037362544540606db

/data/data/com.zsisland.yueju/databases/eguan.db-shm

MD5 bb7df04e1b0a2570657527a7e108ae23
SHA1 5188431849b4613152fd7bdba6a3ff0a4fd6424b
SHA256 c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479
SHA512 768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

/data/data/com.zsisland.yueju/files/.imprint

MD5 5342c317f94739d22aa6b6cd908d10d7
SHA1 26ac685e66e2f75f4c0638a27fcf91edc64b853f
SHA256 2e340f6c462c4b4de9744f15e240c67b3ffc1e0be4f16ac18d2f06daf881a0c9
SHA512 e3dd63714ddd58df6af9a4199a28fb4aa2709d256f0f53ced5f9ea4ec8576f547c2dcf883a2bd010d68601485461bac0ce1e35a30687ffb3610157d993886e71

/data/data/com.zsisland.yueju/files/umeng_it.cache

MD5 e7adac972e03f0fe14742432c8efdc73
SHA1 689a867ff212a0eff53ed8f1edf007fcc5f4fb08
SHA256 3d794a018a12ace5e28b0bad96ffb278358a36c9df618bfc69eba1777099fe41
SHA512 e5ca7bc63b295b67a873823bcfcf64fc320e4d6f488ca1da24c3a866532d698acbc46690981f7c11157440240c2b99af24f0c2d543474623d9d596d35fb4f2f8