Analysis
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max time kernel
179s -
max time network
171s -
platform
android_x64 -
resource
android-x64-arm64-20240514-en -
resource tags
androidarch:armarch:arm64arch:x64arch:x86image:android-x64-arm64-20240514-enlocale:en-usos:android-11-x64system -
submitted
19-05-2024 22:04
Static task
static1
Behavioral task
behavioral1
Sample
ce3313bd7c3134904d5a2c1faea4ff83d512479255cdd0f5296c415fbec95187.apk
Resource
android-x86-arm-20240514-en
Behavioral task
behavioral2
Sample
ce3313bd7c3134904d5a2c1faea4ff83d512479255cdd0f5296c415fbec95187.apk
Resource
android-x64-20240514-en
Behavioral task
behavioral3
Sample
ce3313bd7c3134904d5a2c1faea4ff83d512479255cdd0f5296c415fbec95187.apk
Resource
android-x64-arm64-20240514-en
General
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Target
ce3313bd7c3134904d5a2c1faea4ff83d512479255cdd0f5296c415fbec95187.apk
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Size
205KB
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MD5
a4998cf1f8315383b3aa0ff957cb65bd
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SHA1
45f8af06acd0e4f815bf69c7d3098b9affac5c6b
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SHA256
ce3313bd7c3134904d5a2c1faea4ff83d512479255cdd0f5296c415fbec95187
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SHA512
dff7ba87d5544fc08067aada33d3b8f8d9ef2ac1ba909ccfd86fdc35fd912a345a65db79571f4d74fc5f6ab6bd58f8e777c91049d99ccdc44d67f3560af05389
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SSDEEP
3072:wsFRzkx39oO52yaXLYITXTQ4Qm95pS+Xt0edn3KXCHhNuF/JWCsIjqmgd3Jy7wID:ZG9oOAPX4m9dSedICH8RWcZgd5otBN
Malware Config
Extracted
xloader_apk
http://91.204.227.39:28844
Signatures
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XLoader payload 2 IoCs
Processes:
resource yara_rule /data/user/0/ulus.yczef.yimsr/files/dex family_xloader_apk /data/user/0/ulus.yczef.yimsr/files/dex family_xloader_apk2 -
XLoader, MoqHao
An Android banker and info stealer.
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Checks if the Android device is rooted. 1 TTPs 1 IoCs
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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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Requests changing the default SMS application. 2 TTPs 1 IoCs
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Loads dropped Dex/Jar 1 TTPs 2 IoCs
Runs executable file dropped to the device during analysis.
Processes:
ulus.yczef.yimsrioc pid process /data/user/0/ulus.yczef.yimsr/files/dex 4605 ulus.yczef.yimsr /data/user/0/ulus.yczef.yimsr/files/dex 4605 ulus.yczef.yimsr -
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.
Processes:
ulus.yczef.yimsrdescription ioc process Framework service call android.app.IActivityManager.setServiceForeground ulus.yczef.yimsr -
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.
Processes:
ulus.yczef.yimsrdescription ioc process Framework service call android.accounts.IAccountManager.getAccountsAsUser ulus.yczef.yimsr -
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
Processes:
ulus.yczef.yimsrdescription ioc process URI accessed for read content://mms/ ulus.yczef.yimsr -
Acquires the wake lock 1 IoCs
Processes:
ulus.yczef.yimsrdescription ioc process Framework service call android.os.IPowerManager.acquireWakeLock ulus.yczef.yimsr -
Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
Processes:
ulus.yczef.yimsrdescription ioc process Framework API call javax.crypto.Cipher.doFinal ulus.yczef.yimsr
Processes
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ulus.yczef.yimsr1⤵
- Checks if the Android device is rooted.
- Removes its main activity from the application launcher
- Requests changing the default SMS application.
- Loads dropped Dex/Jar
- Makes use of the framework's foreground persistence service
- Queries account information for other applications stored on the device
- Reads the content of the MMS message.
- Acquires the wake lock
- Uses Crypto APIs (Might try to encrypt user data)
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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/data/user/0/ulus.yczef.yimsr/files/dexFilesize
454KB
MD5c908b637c002940ef72c0f34eda33115
SHA1c886b4786f696ca4be26516a83e842863e71f728
SHA256125b57669edb6060fea0e71718ea17c957186496c2c1ea010d95c64218fe31ae
SHA51257eafa70138d9b97af7c3160306133f1591f015563f4ebe21cb4a0354a6c2a380e246de64ea54d492e84d433b77b50d887ebdd3566002799abdeba66742ec350
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/storage/emulated/0/.msg_device_id.txtFilesize
36B
MD545c543318edcb5adccde1cf272f73ef8
SHA1de7c83b6b2a2c8c78d731b1eb33111499228753b
SHA256d4e0a5eaf0c99e72c8baa42a8ce77e3ad8d7bfbeeab4382c3923dc9042393565
SHA512d0e1c4f1ccdc89c5748fde7be6d5489acfe48c7ce8891bb8c284e7a42dbf5f49463e9a49e1959ef2cfb01db402ebe11ee36c0cd6480234c8d6d1c1700af78990