General
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Target
rex.apk
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Size
7.6MB
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Sample
250402-h8rwzss1b1
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MD5
fb6fc51d6bb67bbebe5989108861dc23
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SHA1
cd0a160c0d9cd53c3ab769c7fa10d8db06e3a9ca
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SHA256
7053eadb7b67816260beab679d7d1f9895086f160f8e1d01a1fe1df73f41518d
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SHA512
0bf27a30f11f1986f9ed45a6098ba12d57ca289c8a48cf9571ea01afc7a44279142d3cc2f9d818e0e2b31171f65388105f79f26d762d45969df99cc30068233d
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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
fb6fc51d6bb67bbebe5989108861dc23
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SHA1
cd0a160c0d9cd53c3ab769c7fa10d8db06e3a9ca
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SHA256
7053eadb7b67816260beab679d7d1f9895086f160f8e1d01a1fe1df73f41518d
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SHA512
0bf27a30f11f1986f9ed45a6098ba12d57ca289c8a48cf9571ea01afc7a44279142d3cc2f9d818e0e2b31171f65388105f79f26d762d45969df99cc30068233d
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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