General
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Target
rex.apk
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Size
7.6MB
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Sample
250402-sbtpes1ps4
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MD5
4e23bc04c672be6b4d70b14232b65805
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SHA1
7f4f0c99028b9f61cdfc2b485a27c16fd3ae5f75
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SHA256
34585eda422c74507bffc0e06a4a90203f7f23b3476e275865310daba687211e
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SHA512
3d6f99faeafb5065b123645d88e2801b9c3e9954eae8005ade0c5b2b56b265fb1a4874216414261ade62d03ea42effd5112e81daab2e4e1c2916db4adbe00249
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SSDEEP
196608:AcaiXcKqcEcdEppfcVcgA0TIrsE+5zFKKpEC6iOcMdsd:haisI9d0UqgA0krs7T9/d
Static task
static1
Behavioral task
behavioral1
Sample
rex.apk
Resource
android-x86-arm-20240910-en
Behavioral task
behavioral2
Sample
rex.apk
Resource
android-x64-20240910-en
Behavioral task
behavioral3
Sample
rex.apk
Resource
android-x64-arm64-20240910-en
Malware Config
Targets
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Target
rex.apk
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Size
7.6MB
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MD5
4e23bc04c672be6b4d70b14232b65805
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SHA1
7f4f0c99028b9f61cdfc2b485a27c16fd3ae5f75
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SHA256
34585eda422c74507bffc0e06a4a90203f7f23b3476e275865310daba687211e
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SHA512
3d6f99faeafb5065b123645d88e2801b9c3e9954eae8005ade0c5b2b56b265fb1a4874216414261ade62d03ea42effd5112e81daab2e4e1c2916db4adbe00249
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SSDEEP
196608:AcaiXcKqcEcdEppfcVcgA0TIrsE+5zFKKpEC6iOcMdsd:haisI9d0UqgA0krs7T9/d
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Copybara
Copybara is an Android banking trojan first seen in November 2021.
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Copybara family
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Copybara payload
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Makes use of the framework's Accessibility service
Retrieves information displayed on the phone screen using AccessibilityService.
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Obtains sensitive information copied to the device clipboard
Application may abuse the framework's APIs to obtain sensitive information copied to the device clipboard.
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Acquires the wake lock
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Makes use of the framework's foreground persistence service
Application may abuse the framework's foreground service to continue running in the foreground.
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Performs UI accessibility actions on behalf of the user
Application may abuse the accessibility service to prevent their removal.
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Queries the mobile country code (MCC)
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Requests disabling of battery optimizations (often used to enable hiding in the background).
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MITRE ATT&CK Mobile v15
Persistence
Event Triggered Execution
1Broadcast Receivers
1Foreground Persistence
1Defense Evasion
Download New Code at Runtime
1Foreground Persistence
1Hide Artifacts
1User Evasion
1Impair Defenses
1Prevent Application Removal
1Input Injection
1Virtualization/Sandbox Evasion
2System Checks
2Credential Access
Clipboard Data
1Input Capture
2GUI Input Capture
1Keylogging
1