Analysis
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max time kernel
147s -
max time network
150s -
platform
android-10_x64 -
resource
android-x64-20240910-en -
resource tags
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submitted
02/04/2025, 14:57
General
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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
Malware Config
Signatures
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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 1 IoCs
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Loads dropped Dex/Jar 1 TTPs 2 IoCs
Runs executable file dropped to the device during analysis.
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Makes use of the framework's Accessibility service 4 TTPs 2 IoCs
Retrieves information displayed on the phone screen using AccessibilityService.
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Obtains sensitive information copied to the device clipboard 2 TTPs 1 IoCs
Application may abuse the framework's APIs to obtain sensitive information copied to the device clipboard.
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Acquires the wake lock 1 IoCs
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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.
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Performs UI accessibility actions on behalf of the user 1 TTPs 4 IoCs
Application may abuse the accessibility service to prevent their removal.
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Queries the mobile country code (MCC) 1 TTPs 1 IoCs
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Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
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Checks CPU information 2 TTPs 1 IoCs
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Checks memory information 2 TTPs 1 IoCs
Processes
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com.tencent.mm1⤵
- Loads dropped Dex/Jar
- Makes use of the framework's Accessibility service
- Obtains sensitive information copied to the device clipboard
- Acquires the wake lock
- Makes use of the framework's foreground persistence service
- Performs UI accessibility actions on behalf of the user
- Queries the mobile country code (MCC)
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Checks CPU information
- Checks memory information
Network
MITRE ATT&CK Mobile v15
Persistence
Event Triggered Execution
1Broadcast Receivers
1Foreground Persistence
1Defense Evasion
Download New Code at Runtime
1Foreground Persistence
1Impair Defenses
1Prevent Application Removal
1Input Injection
1Virtualization/Sandbox Evasion
2System Checks
2Credential Access
Clipboard Data
1Input Capture
2GUI Input Capture
1Keylogging
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
9.0MB
MD5e749ea3b2deac728d2b2781ee0ae2a53
SHA1d053c42e6be484c7ca1ef5bc18bcf3ea2492a305
SHA2569d5d7fbeb153f61245f72a755083e7bd75ce6bd024b418946dbcd54cb99bb612
SHA512747b7fcdd64140ce902b74771bde156edec71a787007f9cf53323bb6b63ec7f8471272ca433ae4c5305e1e6268419c7203de8c6bfaaf258d756af9d20bb91631
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Filesize
12KB
MD5256df4f1f534234b1d510cd7ccd71dab
SHA1b7d93f7875c80eb6d55ca84ed3def780b6a84759
SHA2568aad7daf3faa9bce66f44dabe11613afeb8731704e93112d890573b9d909d5e3
SHA5123768be2a2f53ce428473f1d92c55342240994ad92fe6af315ba9322239a267fc059c7f0dd8f156c395dcfa5841c257c5158c7fabd28b6ef342fcc2e01b709ffc
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Filesize
121KB
MD57b38720a0352dffa26411726c72dd2b0
SHA1b15e687f42abcdc12427f146a3115ef2259211f8
SHA2562013f490d45638cada331b3474ed65b9a43cec60da773accc98332e58c06336d
SHA5120df28f87da4f9beb3ca8c108f54021a2a1a1434771abbb5ba67a2736097f2287b05e5220a33e92c42ee13ecae1144714a422b986763712794f69e65bc44c83e3
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Filesize
11B
MD51b65c10c6215685f9d621d797f911373
SHA1cc50aaed5cd521a62ec8cf9fe0413153ec90f265
SHA2562230c2b2787663a054c47450ecd1718f0296853ad768b8e5d306ecb912685e89
SHA5125a9139f295dbe384b1584eff5c11f3f86759232f7b661b75f27fe92b996b4cdc0552e315f79b26f5f2c1f91756d9ae04cf0c3675b6172e91a3d373b9b314496f
