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Analysis
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max time kernel
29s -
max time network
29s -
platform
android_x86 -
resource
android-x86-arm-20240624-en -
submitted
09/02/2025, 20:30
Static task
static1
Behavioral task
behavioral1
Sample
4e200e73d4dee33d1a22466caf4ad179eeaabcb3a82554006fa5df9cd286d21f.apk
Resource
android-x86-arm-20240624-en
General
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Target
4e200e73d4dee33d1a22466caf4ad179eeaabcb3a82554006fa5df9cd286d21f.apk
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Size
445KB
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MD5
8d3fd49cc6bc74b3927d607f0df205fb
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SHA1
9c3329e8c585091387239923f634d6081949b322
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SHA256
4e200e73d4dee33d1a22466caf4ad179eeaabcb3a82554006fa5df9cd286d21f
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SHA512
0d7a990f133ba616d2f226c3f765be037a45b0de88edee2e00ee3d4b35b278149164fe343ce203aef85db777ea95b051bfcf0150bcdb61d9a2c0ace40515a838
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SSDEEP
6144:6gEMrVY3PKaTJV/gm5C7XrXDDUEW+3qyqPoQ+8QVbSda8lysdWINQZoFSF+A75:6BJ2D7DAEXqyqQnSMey7SQZy25
Malware Config
Extracted
xloader_apk
https://docs.google.com/document/d/1s0n64k12_r9MglT5m9lr63M5F3e-xRyaMeYP7rdOTrA/mobilebasic
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user_agent
Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.121 Mobile Safari/537.36
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.121 Safari/537.36
Signatures
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XLoader payload 2 IoCs
resource yara_rule behavioral1/files/fstream-1.dat family_xloader_apk behavioral1/files/fstream-1.dat family_xloader_apk2 -
XLoader, MoqHao
An Android banker and info stealer.
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Xloader_apk family
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Checks if the Android device is rooted. 1 TTPs 3 IoCs
ioc Process /system/bin/su z.buwmo.rrqkz /system/xbin/su z.buwmo.rrqkz /sbin/su z.buwmo.rrqkz -
pid Process 4251 z.buwmo.rrqkz -
Loads dropped Dex/Jar 1 TTPs 2 IoCs
Runs executable file dropped to the device during analysis.
ioc pid Process /data/user/0/z.buwmo.rrqkz/files/d 4251 z.buwmo.rrqkz /data/user/0/z.buwmo.rrqkz/files/d 4251 z.buwmo.rrqkz -
Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
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Queries the phone number (MSISDN for GSM devices) 1 TTPs
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Reads the content of the MMS message. 1 TTPs 1 IoCs
description ioc Process URI accessed for read content://mms/ z.buwmo.rrqkz -
Acquires the wake lock 1 IoCs
description ioc Process Framework service call android.os.IPowerManager.acquireWakeLock z.buwmo.rrqkz -
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 z.buwmo.rrqkz -
Requests changing the default SMS application. 2 TTPs 1 IoCs
description ioc Process Intent action android.provider.Telephony.ACTION_CHANGE_DEFAULT z.buwmo.rrqkz -
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 z.buwmo.rrqkz
Processes
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z.buwmo.rrqkz1⤵
- Checks if the Android device is rooted.
- Removes its main activity from the application launcher
- Loads dropped Dex/Jar
- Reads the content of the MMS message.
- Acquires the wake lock
- Makes use of the framework's foreground persistence service
- Requests changing the default SMS application.
- Registers a broadcast receiver at runtime (usually for listening for system events)
PID:4251
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
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Filesize
454KB
MD5d28e6b862a1aee68793e1b022f18306a
SHA19044c8b066fc6610bb53b2fe4fec1c8b3e5ae985
SHA25605d35fa20111813c4e3063181b5b90d7f13a03856e6104f1dfc64c735055c76a
SHA51264d6105fc4a17057c184804a6214a99e4f96326af423fa11cd7cc89ea0cd1c9e67e43e91ecbaf8ccea6b3175a05dc1d2a3dd1cbd0830d921dfbfb738ec874526