Analysis
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max time kernel
101s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
20-02-2024 05:24
Static task
static1
Behavioral task
behavioral1
Sample
2024-02-20_0b3c8ea06ce67a5d51937cfb5f97e601_mafia.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-20_0b3c8ea06ce67a5d51937cfb5f97e601_mafia.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-20_0b3c8ea06ce67a5d51937cfb5f97e601_mafia.exe
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Size
467KB
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MD5
0b3c8ea06ce67a5d51937cfb5f97e601
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SHA1
612bfea2566d31ebb249a53e5d11feebf66580e1
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SHA256
c80dd47af582147b7c446635658d09a67a4202fde42c66ccac1afb4e7befb1df
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SHA512
73b0da80cb4f7b12d26e82a0782e4c8895642450b70d856a54c068a363c795e56c35fd606fa5fca2fda436996a661664505ac1b3ac44fc100992cd49b9334d78
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SSDEEP
6144:jFrJxvldL4c5ONK1xgWbd1s79+iStz3fy9/9ZLLvQ1zaThKESz0mRh7OAHOXuwDX:Bb4bZudi79LsvOZ/YgTkz/TfHnKPAk
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-1-5-21-3791175113-1062217823-1177695025-1000\Control Panel\International\Geo\Nation 4FC6.tmp -
Executes dropped EXE 1 IoCs
pid Process 3868 4FC6.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 opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000_Classes\Local Settings 4FC6.tmp -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 4908 WINWORD.EXE 4908 WINWORD.EXE -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 3868 4FC6.tmp -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 4908 WINWORD.EXE 4908 WINWORD.EXE 4908 WINWORD.EXE 4908 WINWORD.EXE 4908 WINWORD.EXE 4908 WINWORD.EXE 4908 WINWORD.EXE 4908 WINWORD.EXE -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 2532 wrote to memory of 3868 2532 2024-02-20_0b3c8ea06ce67a5d51937cfb5f97e601_mafia.exe 84 PID 2532 wrote to memory of 3868 2532 2024-02-20_0b3c8ea06ce67a5d51937cfb5f97e601_mafia.exe 84 PID 2532 wrote to memory of 3868 2532 2024-02-20_0b3c8ea06ce67a5d51937cfb5f97e601_mafia.exe 84 PID 3868 wrote to memory of 4908 3868 4FC6.tmp 85 PID 3868 wrote to memory of 4908 3868 4FC6.tmp 85
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-02-20_0b3c8ea06ce67a5d51937cfb5f97e601_mafia.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-20_0b3c8ea06ce67a5d51937cfb5f97e601_mafia.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2532 -
C:\Users\Admin\AppData\Local\Temp\4FC6.tmp"C:\Users\Admin\AppData\Local\Temp\4FC6.tmp" --helpC:\Users\Admin\AppData\Local\Temp\2024-02-20_0b3c8ea06ce67a5d51937cfb5f97e601_mafia.exe A7E278DE7D8B9ECAF09FDC23964010E94E89EE3FBC6C8873CCBF2C0E37DC057D6CFB7EA406C415A03E61D869252D1529C550CEECF2039DC773E1E2578CBEB3AD2⤵
- Checks computer location settings
- Executes dropped EXE
- Modifies registry class
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:3868 -
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\2024-02-20_0b3c8ea06ce67a5d51937cfb5f97e601_mafia.doc" /o ""3⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4908
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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
MD5fd2e38848207c98d88831a1f8d5cd98a
SHA11ed86a005a611c0761d9374f41a4b959e72a32c1
SHA25623752389c715a32a9d2e0f2bf60a38cd8e4ebaee69c6c8ce15a05641a4151f40
SHA512ba9c6977d3513d8101a084751c3a217aa8a399878f68026b9050a2eff1d6c7b34ed3b8d15c559f38fdc655b8f9fccb448d22c3070a3c1b08e71ef0e4f46b5aa6
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84