Analysis
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max time kernel
147s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20230824-en -
resource tags
arch:x64arch:x86image:win10v2004-20230824-enlocale:en-usos:windows10-2004-x64system -
submitted
31/08/2023, 15:06
Static task
static1
Behavioral task
behavioral1
Sample
f0311735013d71ee66679e1d12b69059_mafia_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
f0311735013d71ee66679e1d12b69059_mafia_JC.exe
Resource
win10v2004-20230824-en
General
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Target
f0311735013d71ee66679e1d12b69059_mafia_JC.exe
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Size
462KB
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MD5
f0311735013d71ee66679e1d12b69059
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SHA1
29b2da0f5c25c96110106468fd40a22c7f09ab38
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SHA256
f76e683691b7f2bf7912290ac97419752034a9c76cb1c9d5c9ca658677874684
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SHA512
bac393ede69db5cb5f5453fb026592e94483c1a50abe40faf30c4ffce73a9684ac762a23a134c7f56ea48ee24b2979220c94c30c41568716915d80f901b06d1d
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SSDEEP
6144:zRPu8zwNAZYCZrIik3tHLPcTEuiOxlUEx4MB3VIvJLd2WnpSCXkxXpZLsH5f:zJrIik3CIKlUg4S3VIhL8WpSCXca9
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-1-5-21-642304425-1816607141-2958861556-1000\Control Panel\International\Geo\Nation D6.tmp -
Executes dropped EXE 1 IoCs
pid Process 4924 D6.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-1-5-21-642304425-1816607141-2958861556-1000_Classes\Local Settings D6.tmp -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 2560 WINWORD.EXE 2560 WINWORD.EXE -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 4924 D6.tmp -
Suspicious use of SetWindowsHookEx 9 IoCs
pid Process 2560 WINWORD.EXE 2560 WINWORD.EXE 2560 WINWORD.EXE 2560 WINWORD.EXE 2560 WINWORD.EXE 2560 WINWORD.EXE 2560 WINWORD.EXE 2560 WINWORD.EXE 2560 WINWORD.EXE -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 1972 wrote to memory of 4924 1972 f0311735013d71ee66679e1d12b69059_mafia_JC.exe 84 PID 1972 wrote to memory of 4924 1972 f0311735013d71ee66679e1d12b69059_mafia_JC.exe 84 PID 1972 wrote to memory of 4924 1972 f0311735013d71ee66679e1d12b69059_mafia_JC.exe 84 PID 4924 wrote to memory of 2560 4924 D6.tmp 85 PID 4924 wrote to memory of 2560 4924 D6.tmp 85 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
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Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
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Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\f0311735013d71ee66679e1d12b69059_mafia_JC.exe"C:\Users\Admin\AppData\Local\Temp\f0311735013d71ee66679e1d12b69059_mafia_JC.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1972 -
C:\Users\Admin\AppData\Local\Temp\D6.tmp"C:\Users\Admin\AppData\Local\Temp\D6.tmp" --helpC:\Users\Admin\AppData\Local\Temp\f0311735013d71ee66679e1d12b69059_mafia_JC.exe C555EF51ECEA0A9FEC3410F9FACC29B91E43ED8BC1C6D40D7EE3267E7F0DBAEE58B80DFE04A2E7253BBC427ECA9837ED1B3B5BCFF7A2C81AE5FFE6A6D1988FF22⤵
- Checks computer location settings
- Executes dropped EXE
- Modifies registry class
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:4924 -
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\f0311735013d71ee66679e1d12b69059_mafia_JC.docx" /o ""3⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2560
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
462KB
MD5cb03ff6de42462b75b9393681215305e
SHA10c87e4b823b4a6ae24176703c2057ffa5b60da3f
SHA2565cda5b27f724deef904d4a4462475d5444042b22f28cb9e071a561e5098fc417
SHA51207222c26e7a66a99c3865af6eadfa18471170cf36db9b4772e2acfe7f9337b5bc826c604298ae22f9bde46c9420b5335574f1ab46d3790a75a681970262829b1
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Filesize
462KB
MD5cb03ff6de42462b75b9393681215305e
SHA10c87e4b823b4a6ae24176703c2057ffa5b60da3f
SHA2565cda5b27f724deef904d4a4462475d5444042b22f28cb9e071a561e5098fc417
SHA51207222c26e7a66a99c3865af6eadfa18471170cf36db9b4772e2acfe7f9337b5bc826c604298ae22f9bde46c9420b5335574f1ab46d3790a75a681970262829b1
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Filesize
21KB
MD57079891932a64f097abafd233055a1e9
SHA1246d95feafe67689d49a5a4cadba18d3ac1914e5
SHA256c97189b50e5e92be09966d4732b6d61a2e435b2935d60c09989e555ae442e7a1
SHA5126e9ee6427d7cc2474dc634b088cf3f35d06dfb734d2b63fbbc794f4083b4b5754379daff4804bf5024b1b430aa5e50fa6d839d3473ceeed3043d373c85e9862a
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Filesize
21KB
MD57079891932a64f097abafd233055a1e9
SHA1246d95feafe67689d49a5a4cadba18d3ac1914e5
SHA256c97189b50e5e92be09966d4732b6d61a2e435b2935d60c09989e555ae442e7a1
SHA5126e9ee6427d7cc2474dc634b088cf3f35d06dfb734d2b63fbbc794f4083b4b5754379daff4804bf5024b1b430aa5e50fa6d839d3473ceeed3043d373c85e9862a