Analysis
- max time kernel
179s - max time network
165s - platform
android_x64 - resource
android-x64-20240514-en - resource tags
androidarch:x64arch:x86image:android-x64-20240514-enlocale:en-usos:android-10-x64system - submitted
29/05/2024, 05:07
Static task
static1
Behavioral task
behavioral1
Sample
7f9458bdd346f8a58915dc74ae2d43bb_JaffaCakes118.apk
Resource
android-x86-arm-20240514-en
Behavioral task
behavioral2
Sample
7f9458bdd346f8a58915dc74ae2d43bb_JaffaCakes118.apk
Resource
android-x64-20240514-en
Behavioral task
behavioral3
Sample
7f9458bdd346f8a58915dc74ae2d43bb_JaffaCakes118.apk
Resource
android-x64-arm64-20240514-en
General
- Target 7f9458bdd346f8a58915dc74ae2d43bb_JaffaCakes118.apk
- Size 431KB
- Sample240529-fr37kscc53
- SHA256 5114a3c5107306e667b7ba00267ac9114f809475fb06c6d61d7a95ae541f6dd2
- MD5 7f9458bdd346f8a58915dc74ae2d43bb
- SHA1 95051ae27b20515c1cb836540939725af60c25cb
- SHA512 443bc25bc7b76f896536ce64f9fc6eb171c98f3b984cbd727511a95e91e3dfab3147a49baa8f15cbf325478bab5d41bfd54767b2b6d9a5e143368211e9a08f23
- SSDEEP 12288:3pBU9+y1M4QA9K5a6b5vDjzCvlb7VbWRJ3XP:5O9tmoK/8tBWrf
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
xloader_apk
-
http://91.204.227.39:28844
Signatures
- XLoader payload 1 IoCs
resource yara_rule behavioral2/files/fstream-1.dat family_xloader_apk2 - XLoader, MoqHao
An Android banker and info stealer.
- Checks if the Android device is rooted. 1 TTPs 3 IoCs
ioc Process /system/bin/su com.cnsg.klex /system/xbin/su com.cnsg.klex /sbin/su com.cnsg.klex - Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
-
pid Process 5115 com.cnsg.klex - Loads dropped Dex/Jar 1 TTPs 2 IoCs
Runs executable file dropped to the device during analysis.
ioc pid Process /data/user/0/com.cnsg.klex/files/dex 5115 com.cnsg.klex /data/user/0/com.cnsg.klex/files/dex 5115 com.cnsg.klex - Makes use of the framework's foreground persistence service 1 TTPs 1 IoCs
Application may abuse the framework's foreground service to continue running in the foreground.
description ioc Process Framework service call android.app.IActivityManager.setServiceForeground com.cnsg.klex - Queries account information for other applications stored on the device 1 TTPs 1 IoCs
Application may abuse the framework's APIs to collect account information stored on the device.
description ioc Process Framework service call android.accounts.IAccountManager.getAccounts com.cnsg.klex - Queries information about the current Wi-Fi connection 1 TTPs 1 IoCs
Application may abuse the framework's APIs to collect information about the current Wi-Fi connection.
description ioc Process Framework service call android.net.wifi.IWifiManager.getConnectionInfo com.cnsg.klex - Queries the phone number (MSISDN for GSM devices) 1 TTPs
- Reads the content of the MMS message. 1 TTPs 1 IoCs
description ioc Process URI accessed for read content://mms/ com.cnsg.klex - Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
description ioc Process Framework service call android.app.IActivityManager.registerReceiver com.cnsg.klex - Acquires the wake lock 1 IoCs
description ioc Process Framework service call android.os.IPowerManager.acquireWakeLock com.cnsg.klex - Checks if the internet connection is available 1 TTPs 1 IoCs
description ioc Process Framework service call android.net.IConnectivityManager.getActiveNetworkInfo com.cnsg.klex - Queries the unique device ID (IMEI, MEID, IMSI) 1 TTPs
- Reads information about phone network operator. 1 TTPs
- Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
description ioc Process Framework API call javax.crypto.Cipher.doFinal com.cnsg.klex
Processes
-
com.cnsg.klex1⤵
- Checks if the Android device is rooted.
- Removes its main activity from the application launcher
- Loads dropped Dex/Jar
- Makes use of the framework's foreground persistence service
- Queries account information for other applications stored on the device
- Queries information about the current Wi-Fi connection
- Reads the content of the MMS message.
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Acquires the wake lock
- Checks if the internet connection is available
- Uses Crypto APIs (Might try to encrypt user data)
PID:5115
Network
MITRE ATT&CK Mobile v15
Persistence
Event Triggered Execution
1Broadcast Receivers
1Foreground Persistence
1Defense Evasion
Download New Code at Runtime
1Foreground Persistence
1Hide Artifacts
1Suppress Application Icon
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path /data/data/com.cnsg.klex/files/dex
- Size 766KB
- SHA256 8933f198d336dc72d7e4c2012cf6ea5356bedf6a97a16c9b74fb2fac63ea02b0
- MD5 b3aa28b0cf2269079fa51c1db9ad032b
- SHA1 c85618082d725fd8dd4789ecf43ce274b743c9cb
- SHA512 2c077f33169d2d77a3a64d70c2705e32f46c8addb9299459c97a6ad9d7647fc906c36d172acf5731b53cb461c7eb21c6adfbe10ace50e483e41f55e16f958339
- SSDEEP 12288:CQ062WmpvC97ncTtH8m/CbEcaLS8m/CbEcaLeYZk4urQDshAjP:NkCNncTtH8m/CbEcaLS8m/CbEcaLeYZP
- MD5 SHA1 SHA512 SSDEEP
- Path /data/data/com.cnsg.klex/files/oat/dex.cur.prof
- Size 1KB
- SHA256 5d38007f4e78b8b0d9926b4f482a031f5fa48520ee1dbb5b2aad3542b265a9aa
- MD5 a68911cfcadcb7699dfee4b5617f8551
- SHA1 abb6e9bf0df0901d0d2b5547d835f49652bf4f26
- SHA512 2f8dbe284142e9b9da579f1fb1c203dd4aa93115f3612b6d0e0089a111b8bf2899ed5f86acb33179ec1ded89196e113d03cb50e82c8733727e4a12c4b74543f2
- MD5 SHA1 SHA512