General
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Target
rex.apk
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Size
7.8MB
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Sample
250327-jzbzvayyhz
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MD5
5e6c199096fb378865454af7fe158a38
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SHA1
9be62d38f7fdf15f2841c442f57e74768bb9c264
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SHA256
12b59f6d4c21c1b4ca25dab0618ed5ffb57ad8f9c7ba7b731ea0f8b2aac251cc
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SHA512
2c93b6faa6f6fafe786f7ba6236ed8648a3fc599c6e6c72921633195649daafc41eac05aa3a019e84a1863e054ea28c87b06635b2cfc92f5e8f784ae2ab2c67a
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SSDEEP
196608:8cNnc/cvcDPpG1cscgA0TIrsE+5zFKKpEC6iOchpWy0e:1Nc0EDhGKFgA0krs7T9CLe
Static task
static1
Behavioral task
behavioral1
Sample
rex.apk
Resource
android-x86-arm-20240910-en
Behavioral task
behavioral2
Sample
rex.apk
Resource
android-33-x64-arm64-20240910-en
Malware Config
Targets
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Target
rex.apk
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Size
7.8MB
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MD5
5e6c199096fb378865454af7fe158a38
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SHA1
9be62d38f7fdf15f2841c442f57e74768bb9c264
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SHA256
12b59f6d4c21c1b4ca25dab0618ed5ffb57ad8f9c7ba7b731ea0f8b2aac251cc
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SHA512
2c93b6faa6f6fafe786f7ba6236ed8648a3fc599c6e6c72921633195649daafc41eac05aa3a019e84a1863e054ea28c87b06635b2cfc92f5e8f784ae2ab2c67a
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SSDEEP
196608:8cNnc/cvcDPpG1cscgA0TIrsE+5zFKKpEC6iOchpWy0e:1Nc0EDhGKFgA0krs7T9CLe
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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 information about the current Wi-Fi connection
Application may abuse the framework's APIs to collect information about the current Wi-Fi connection.
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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
1Discovery
Software Discovery
1Security Software Discovery
1System Information Discovery
2System Network Configuration Discovery
1System Network Connections Discovery
1