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Analysis
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max time kernel
148s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
25/01/2024, 22:48
Static task
static1
Behavioral task
behavioral1
Sample
2024-01-25_b2fed9d168606136fc188c0ae132d375_mafia.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-25_b2fed9d168606136fc188c0ae132d375_mafia.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-25_b2fed9d168606136fc188c0ae132d375_mafia.exe
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Size
462KB
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MD5
b2fed9d168606136fc188c0ae132d375
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SHA1
9fc286b3e07577c952d991aeb31cfbc4cf1dd08c
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SHA256
acdff66e712390664b9c200d79e4a094beeaa3d1007ee4a11ebe40210b1fad34
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SHA512
5bffe8fb6d73d3ff5e36f034e7bdbbf6a6c19f06d4bd261c74769d12fc6258bb2ec7aa0e1e664c3af4fc1c04ed9edbf803eedf30ecbdaaac95c34dd1a18c1e4d
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SSDEEP
6144:lA4psmawWIrFUJe5X8bbU4ycQ8XzhlfTS5ysBrOI0FIQNReUn64tDWjWsHOj:loJe5X8bjQ8XzXrS5HBrO9eYfrFqnuj
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-1-5-21-3336304223-2978740688-3645194410-1000\Control Panel\International\Geo\Nation 6968.tmp -
Executes dropped EXE 1 IoCs
pid Process 3160 6968.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-1-5-21-3336304223-2978740688-3645194410-1000_Classes\Local Settings 6968.tmp -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 5112 WINWORD.EXE 5112 WINWORD.EXE -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 3160 6968.tmp -
Suspicious use of SetWindowsHookEx 10 IoCs
pid Process 5112 WINWORD.EXE 5112 WINWORD.EXE 5112 WINWORD.EXE 5112 WINWORD.EXE 5112 WINWORD.EXE 5112 WINWORD.EXE 5112 WINWORD.EXE 5112 WINWORD.EXE 5112 WINWORD.EXE 5112 WINWORD.EXE -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 4400 wrote to memory of 3160 4400 2024-01-25_b2fed9d168606136fc188c0ae132d375_mafia.exe 87 PID 4400 wrote to memory of 3160 4400 2024-01-25_b2fed9d168606136fc188c0ae132d375_mafia.exe 87 PID 4400 wrote to memory of 3160 4400 2024-01-25_b2fed9d168606136fc188c0ae132d375_mafia.exe 87 PID 3160 wrote to memory of 5112 3160 6968.tmp 91 PID 3160 wrote to memory of 5112 3160 6968.tmp 91 -
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\2024-01-25_b2fed9d168606136fc188c0ae132d375_mafia.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-25_b2fed9d168606136fc188c0ae132d375_mafia.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4400 -
C:\Users\Admin\AppData\Local\Temp\6968.tmp"C:\Users\Admin\AppData\Local\Temp\6968.tmp" --helpC:\Users\Admin\AppData\Local\Temp\2024-01-25_b2fed9d168606136fc188c0ae132d375_mafia.exe B093566F34C779635B5AA57D7215AED3E3EA730B3981E7438E4AEE4EBC7C93DC8EF069F2FA7357D17B792F72D48ABE2A5734BF8C9AA2796D96F200F61D77EDAF2⤵
- Checks computer location settings
- Executes dropped EXE
- Modifies registry class
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:3160 -
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\2024-01-25_b2fed9d168606136fc188c0ae132d375_mafia.docx" /o ""3⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:5112
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
140KB
MD5e90e498009a13ae957dcde4e01065e7d
SHA1dcb4cc9b7d1ed3becc625597422d60aaf068a759
SHA256ca91bbd477e2a516997c48dde3da1a5eae4cad86ca664fea54f0103739073c94
SHA5124d0868f653e6c57d4011430ab81688f4f039550a9a0b5b1ce5ab1a695cb1dca7d7cdfb1d7c3920c35bbd3a8b441c820f00ae4e71f749650545ddd6894d597766
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Filesize
462KB
MD5f431c83b21f5b5b45c45226d02f50c22
SHA1a87708e61c07dc30449626cc0c1ce127d391bd4e
SHA256ba362689f9c3ee35d02ea4863dd37a6d10d92e5e3d7fd88508450be2060c4fad
SHA51224d42ad9d022678998950a41c09af04839e7af84030e0eb0e5c86361c0362b2d965e439729acf9b3223ad3a7079e9228b75342dfd47d3620465e77177c87a5ac