Analysis
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max time kernel
149s -
max time network
54s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
27-04-2024 22:35
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
krampus.exe
Resource
win10v2004-20240419-en
9 signatures
150 seconds
General
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Target
krampus.exe
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Size
1.0MB
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MD5
55a70ae5face7c9a61aa5ba3cf840368
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SHA1
6c63ae914efcdcc6ce0977e04bfe44508c9eb20c
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SHA256
5a37cc2bbdf88e94379d8dcf6c0f82abd9d1f6364f8f0e11951fe180a40fec2e
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SHA512
6ee1471ca4956ab98dfc5d2219133106e71b28a14407dc1a1dac08d913d867994a0bc46120dde341f2566df3d55cc9a637a20ed9ede2ea23f3b2be7ea560cbaf
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SSDEEP
24576:V49ofzs1dTWhVk+zBu7JY8wWyiklHNsSQI:V494Q2Ogu7JYGWlpQI
Score
1/10
Malware Config
Signatures
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Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
taskmgr.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000 taskmgr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A taskmgr.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName taskmgr.exe -
Modifies registry class 2 IoCs
Processes:
taskmgr.exeOpenWith.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000_Classes\Local Settings taskmgr.exe Key created \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000_Classes\Local Settings OpenWith.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
taskmgr.exepid process 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe -
Suspicious behavior: GetForegroundWindowSpam 2 IoCs
Processes:
OpenWith.exetaskmgr.exepid process 3804 OpenWith.exe 4824 taskmgr.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
taskmgr.exedescription pid process Token: SeDebugPrivilege 4824 taskmgr.exe Token: SeSystemProfilePrivilege 4824 taskmgr.exe Token: SeCreateGlobalPrivilege 4824 taskmgr.exe -
Suspicious use of FindShellTrayWindow 64 IoCs
Processes:
taskmgr.exepid process 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe -
Suspicious use of SendNotifyMessage 64 IoCs
Processes:
taskmgr.exepid process 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe 4824 taskmgr.exe -
Suspicious use of SetWindowsHookEx 21 IoCs
Processes:
OpenWith.exepid process 3804 OpenWith.exe 3804 OpenWith.exe 3804 OpenWith.exe 3804 OpenWith.exe 3804 OpenWith.exe 3804 OpenWith.exe 3804 OpenWith.exe 3804 OpenWith.exe 3804 OpenWith.exe 3804 OpenWith.exe 3804 OpenWith.exe 3804 OpenWith.exe 3804 OpenWith.exe 3804 OpenWith.exe 3804 OpenWith.exe 3804 OpenWith.exe 3804 OpenWith.exe 3804 OpenWith.exe 3804 OpenWith.exe 3804 OpenWith.exe 3804 OpenWith.exe -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
OpenWith.exedescription pid process target process PID 3804 wrote to memory of 3916 3804 OpenWith.exe NOTEPAD.EXE PID 3804 wrote to memory of 3916 3804 OpenWith.exe NOTEPAD.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\krampus.exe"C:\Users\Admin\AppData\Local\Temp\krampus.exe"1⤵
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C:\Windows\system32\taskmgr.exe"C:\Windows\system32\taskmgr.exe" /41⤵
- Checks SCSI registry key(s)
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵
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C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Program Files (x86)\Common Files\Oracle\Java\java.settings.cfg2⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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memory/4824-0-0x0000023F36BD0000-0x0000023F36BD1000-memory.dmpFilesize
4KB
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memory/4824-2-0x0000023F36BD0000-0x0000023F36BD1000-memory.dmpFilesize
4KB
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memory/4824-1-0x0000023F36BD0000-0x0000023F36BD1000-memory.dmpFilesize
4KB
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memory/4824-6-0x0000023F36BD0000-0x0000023F36BD1000-memory.dmpFilesize
4KB
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memory/4824-12-0x0000023F36BD0000-0x0000023F36BD1000-memory.dmpFilesize
4KB
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memory/4824-11-0x0000023F36BD0000-0x0000023F36BD1000-memory.dmpFilesize
4KB
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memory/4824-10-0x0000023F36BD0000-0x0000023F36BD1000-memory.dmpFilesize
4KB
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memory/4824-9-0x0000023F36BD0000-0x0000023F36BD1000-memory.dmpFilesize
4KB
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memory/4824-8-0x0000023F36BD0000-0x0000023F36BD1000-memory.dmpFilesize
4KB
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memory/4824-7-0x0000023F36BD0000-0x0000023F36BD1000-memory.dmpFilesize
4KB