Analysis
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max time kernel
149s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
14-03-2024 00:57
Static task
static1
Behavioral task
behavioral1
Sample
2024-03-14_e0bb7b43e19be78ca4f875353fe6f27f_mafia.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-03-14_e0bb7b43e19be78ca4f875353fe6f27f_mafia.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-14_e0bb7b43e19be78ca4f875353fe6f27f_mafia.exe
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Size
465KB
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MD5
e0bb7b43e19be78ca4f875353fe6f27f
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SHA1
8ac3ac2bfc2e0293c0f90f07886895b463bb4a87
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SHA256
dbd9af72a95e8d7e2779a2a018aefc96f254acec242c0f505ee018faf55a119c
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SHA512
5343d327a6eca58bc7c3aa9fd14c121871a8500d7361b32c5e651e60347954789fea5b43bb0a4efd6926df3e9a1ebc8665a6035dd96cbe3a7178b54fdd5352e7
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SSDEEP
12288:Bb4bZudi79L36YmXWqPqAB2m5cG6/pOfdl2+A:Bb4bcdkL3RmXtqxqlu
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-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation 4FD5.tmp -
Executes dropped EXE 1 IoCs
pid Process 3332 4FD5.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-1-5-21-983155329-280873152-1838004294-1000_Classes\Local Settings 4FD5.tmp -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 4104 WINWORD.EXE 4104 WINWORD.EXE -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 3332 4FD5.tmp -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 4104 WINWORD.EXE 4104 WINWORD.EXE 4104 WINWORD.EXE 4104 WINWORD.EXE 4104 WINWORD.EXE 4104 WINWORD.EXE 4104 WINWORD.EXE 4104 WINWORD.EXE -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 4680 wrote to memory of 3332 4680 2024-03-14_e0bb7b43e19be78ca4f875353fe6f27f_mafia.exe 90 PID 4680 wrote to memory of 3332 4680 2024-03-14_e0bb7b43e19be78ca4f875353fe6f27f_mafia.exe 90 PID 4680 wrote to memory of 3332 4680 2024-03-14_e0bb7b43e19be78ca4f875353fe6f27f_mafia.exe 90 PID 3332 wrote to memory of 4104 3332 4FD5.tmp 95 PID 3332 wrote to memory of 4104 3332 4FD5.tmp 95
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-03-14_e0bb7b43e19be78ca4f875353fe6f27f_mafia.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-14_e0bb7b43e19be78ca4f875353fe6f27f_mafia.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4680 -
C:\Users\Admin\AppData\Local\Temp\4FD5.tmp"C:\Users\Admin\AppData\Local\Temp\4FD5.tmp" --helpC:\Users\Admin\AppData\Local\Temp\2024-03-14_e0bb7b43e19be78ca4f875353fe6f27f_mafia.exe CC0EB960377FF9D9F0AF76B853E1A825AAEAD3C80D2609FAD18E3417FC739F8D6B8CAD7324BA5EE687F351638E90D66DF95AA97F916CEF25D9D662056B4DF3992⤵
- Checks computer location settings
- Executes dropped EXE
- Modifies registry class
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:3332 -
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\2024-03-14_e0bb7b43e19be78ca4f875353fe6f27f_mafia.doc" /o ""3⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4104
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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
MD5d7695f1bc2c028dee57e582642b24405
SHA19ecb0940250814646ea957abece81ccbed94d307
SHA25660e142e849c79ff83579882b8c201aa32e253887a8f9ddfb89d9de8deee47b87
SHA5120937c128850533c80f70058f6a3072cd42c37f34e84d16dc977cbd883cb91317289500b7d0ad1b7481ab80f3dc9a75b0ca86aab8aafa837c5b84c476dbee5b64
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84