Analysis
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max time kernel
146s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20240221-en -
resource tags
arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system -
submitted
23/02/2024, 05:50
Static task
static1
Behavioral task
behavioral1
Sample
2024-02-23_5ddf348eb9a22cc77aa7525b6383da33_mafia.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-23_5ddf348eb9a22cc77aa7525b6383da33_mafia.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-23_5ddf348eb9a22cc77aa7525b6383da33_mafia.exe
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Size
465KB
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MD5
5ddf348eb9a22cc77aa7525b6383da33
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SHA1
6299b5137715818c4e32d66a038fda588c12151e
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SHA256
514bd7d13892ce4a1f9a162eef501ff18e9f83b26f38f65d65fc1094add6ad4f
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SHA512
728395388e1e321933cce60b6f978cd266144806980f537e2a6412614d1cf0b574dca8bb13eb61a640f7fd152d132391d413eb35d096537e18e679663cdf571a
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SSDEEP
12288:Bb4bZudi79Ly9JNiJ5OwtgafA4Ui3OsryEYi6A:Bb4bcdkL8PiJwwC4Uls
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-1-5-21-3538781373-1545967067-4263767959-1000\Control Panel\International\Geo\Nation BB61.tmp -
Executes dropped EXE 1 IoCs
pid Process 4400 BB61.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-1-5-21-3538781373-1545967067-4263767959-1000_Classes\Local Settings BB61.tmp -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 2872 WINWORD.EXE 2872 WINWORD.EXE -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 4400 BB61.tmp -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 2872 WINWORD.EXE 2872 WINWORD.EXE 2872 WINWORD.EXE 2872 WINWORD.EXE 2872 WINWORD.EXE 2872 WINWORD.EXE 2872 WINWORD.EXE 2872 WINWORD.EXE -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 1248 wrote to memory of 4400 1248 2024-02-23_5ddf348eb9a22cc77aa7525b6383da33_mafia.exe 88 PID 1248 wrote to memory of 4400 1248 2024-02-23_5ddf348eb9a22cc77aa7525b6383da33_mafia.exe 88 PID 1248 wrote to memory of 4400 1248 2024-02-23_5ddf348eb9a22cc77aa7525b6383da33_mafia.exe 88 PID 4400 wrote to memory of 2872 4400 BB61.tmp 92 PID 4400 wrote to memory of 2872 4400 BB61.tmp 92
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-02-23_5ddf348eb9a22cc77aa7525b6383da33_mafia.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-23_5ddf348eb9a22cc77aa7525b6383da33_mafia.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1248 -
C:\Users\Admin\AppData\Local\Temp\BB61.tmp"C:\Users\Admin\AppData\Local\Temp\BB61.tmp" --helpC:\Users\Admin\AppData\Local\Temp\2024-02-23_5ddf348eb9a22cc77aa7525b6383da33_mafia.exe 87BA27DCF2A5E0D69D655E92F45CA0BBF3DD6D7602545F0A3273F9834CB86BA26D499F5AFA6F4E3C23464DF515A7DC6DC5A1635AEAC0DFB4E04CB6118FBCA14F2⤵
- Checks computer location settings
- Executes dropped EXE
- Modifies registry class
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:4400 -
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\2024-02-23_5ddf348eb9a22cc77aa7525b6383da33_mafia.doc" /o ""3⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2872
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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
465KB
MD52419737af50398a2e698ca619e663b42
SHA1a0a0bb67685fecbd777939809f45de5a0eeb96bb
SHA256d30a8e2d491e6119555b1e71ca866944e822b1f68122781c937a1d5353946a55
SHA5125bd696f9b20f4b97c1f28590ac342dce2f0e87d85831beebce04b25f86ddc4ae2d7215aee562916c546ecd622cc5863084cbe7eece33afc8a4cf5be2d931acca
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84