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Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
25/03/2024, 15:34
Static task
static1
Behavioral task
behavioral1
Sample
2024-03-25_c8285d2c574a7e9dbc52b7bb919a9322_mafia.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-03-25_c8285d2c574a7e9dbc52b7bb919a9322_mafia.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-25_c8285d2c574a7e9dbc52b7bb919a9322_mafia.exe
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Size
467KB
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MD5
c8285d2c574a7e9dbc52b7bb919a9322
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SHA1
e6a1ab79bbb51ad62bd3c00af2ef75527998bb48
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SHA256
f05af24e07bac1a7e46a2c14006486852550e9a2a3157228b36313c642a48686
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SHA512
847226960ad1683502ff45392484d46dfd17105d74d4f25df9c880b5ad8c49806d6ed2db7a43c9ea5e4e649ea37dc52f7a5c2f1bddb2bdcbc9cebce7038d279f
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SSDEEP
12288:Bb4bZudi79LHTVZb9CtV49AznV/CYWuqAk:Bb4bcdkLHTVZbiq9AzFCYWuY
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Control Panel\International\Geo\Nation 3836.tmp -
Executes dropped EXE 1 IoCs
pid Process 4628 3836.tmp -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WINWORD.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000_Classes\Local Settings 3836.tmp -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 4452 WINWORD.EXE 4452 WINWORD.EXE -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 4628 3836.tmp -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 4452 WINWORD.EXE 4452 WINWORD.EXE 4452 WINWORD.EXE 4452 WINWORD.EXE 4452 WINWORD.EXE 4452 WINWORD.EXE 4452 WINWORD.EXE 4452 WINWORD.EXE -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 4060 wrote to memory of 4628 4060 2024-03-25_c8285d2c574a7e9dbc52b7bb919a9322_mafia.exe 89 PID 4060 wrote to memory of 4628 4060 2024-03-25_c8285d2c574a7e9dbc52b7bb919a9322_mafia.exe 89 PID 4060 wrote to memory of 4628 4060 2024-03-25_c8285d2c574a7e9dbc52b7bb919a9322_mafia.exe 89 PID 4628 wrote to memory of 4452 4628 3836.tmp 95 PID 4628 wrote to memory of 4452 4628 3836.tmp 95
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-03-25_c8285d2c574a7e9dbc52b7bb919a9322_mafia.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-25_c8285d2c574a7e9dbc52b7bb919a9322_mafia.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4060 -
C:\Users\Admin\AppData\Local\Temp\3836.tmp"C:\Users\Admin\AppData\Local\Temp\3836.tmp" --helpC:\Users\Admin\AppData\Local\Temp\2024-03-25_c8285d2c574a7e9dbc52b7bb919a9322_mafia.exe 7845C222933433253DEC840D231CB9F59FF4D9CB9B5052C45DB4AACCCF9E47ABE46FADC380165A34BAE64D2483A010BED7832D06A614FAB5F60520077A09D9BB2⤵
- Checks computer location settings
- Executes dropped EXE
- Modifies registry class
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:4628 -
C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\2024-03-25_c8285d2c574a7e9dbc52b7bb919a9322_mafia.doc" /o ""3⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4452
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
35KB
MD5a6b03fc9e5439b7504ba08010a960962
SHA1e93a74f35ac1ed020158642eb1f2087fd31fc7c6
SHA256b3b306a9618a08a003443e00e8ce2fcb14040775c3aeadc11cf120668e98dff1
SHA512decbe4fa7eec0833a27acbde8b4de099124aa42e551f710fb615e6fc5aa0056ce9e44fc282e4930b1a669a1e012700b2c79cebc8a7b8ee4c66cfc29c800cddd0
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Filesize
467KB
MD5401b923710f0f1f6b07ccf06f212538c
SHA1e317f2ab7ec814212878e15bc93b881bec37a618
SHA25602f745cf347b17812501205b6dbec369c5d223902df8f51bb2f49934da230b3c
SHA512f85868bea68d838147e79643a9e60a7ceda64cb8301bb74df7cb24ae199dc3760164749aecef62289a620684045743c6380d2037c50478962e313101cc6e2a05
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84