Analysis
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max time kernel
120s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
25-04-2024 05:46
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
krummy-lavacrypt-gfhd.exe
Resource
win7-20240221-en
2 signatures
150 seconds
General
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Target
krummy-lavacrypt-gfhd.exe
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Size
3.5MB
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MD5
af1082c667a09a0f1f6adb041ca37d34
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SHA1
ccb770b00596a1d2fa0d9d7d3dbe9451734a30f9
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SHA256
28b7e5568fcbab776e1bbb1be485a4299a760240fe4b1c60cb3ce68a0e0c4ba6
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SHA512
4d1c50b42077ec0a8f0060410e75201e920b951f299e8d9a247fb4ba3c920ef5d16f7b30e2decef5323d88e28e3daeee60ae3fcd1e00de36e0185336b1582404
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SSDEEP
98304:p99xyD6/xKyfNf6wZsi/0+zqEsf+JQgWq:rXIc7fNf6Y4EsWxR
Score
1/10
Malware Config
Signatures
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Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
krummy-lavacrypt-gfhd.exedescription pid process Token: SeDebugPrivilege 2244 krummy-lavacrypt-gfhd.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
krummy-lavacrypt-gfhd.exedescription pid process target process PID 2244 wrote to memory of 2696 2244 krummy-lavacrypt-gfhd.exe WerFault.exe PID 2244 wrote to memory of 2696 2244 krummy-lavacrypt-gfhd.exe WerFault.exe PID 2244 wrote to memory of 2696 2244 krummy-lavacrypt-gfhd.exe WerFault.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\krummy-lavacrypt-gfhd.exe"C:\Users\Admin\AppData\Local\Temp\krummy-lavacrypt-gfhd.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 2244 -s 5922⤵
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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memory/2244-2-0x0000000000B40000-0x0000000000BC0000-memory.dmpFilesize
512KB
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memory/2244-1-0x000007FEF51F0000-0x000007FEF5BDC000-memory.dmpFilesize
9.9MB
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memory/2244-0-0x0000000000E90000-0x0000000000E98000-memory.dmpFilesize
32KB
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memory/2244-3-0x000007FEF51F0000-0x000007FEF5BDC000-memory.dmpFilesize
9.9MB
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memory/2244-4-0x0000000000B40000-0x0000000000BC0000-memory.dmpFilesize
512KB