Analysis
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max time kernel
43s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
25-11-2022 09:30
Behavioral task
behavioral1
Sample
4e70fb50d1cafd4cdfff0f55d4586c3d2d69937175e1d2299a38692a0e7b22a8.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
4e70fb50d1cafd4cdfff0f55d4586c3d2d69937175e1d2299a38692a0e7b22a8.exe
Resource
win10v2004-20220812-en
General
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Target
4e70fb50d1cafd4cdfff0f55d4586c3d2d69937175e1d2299a38692a0e7b22a8.exe
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Size
47KB
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MD5
585938653b5f87c01a43f01824fd0f00
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SHA1
3a7896075a4f63541f3bd4b0a521b033483739d7
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SHA256
4e70fb50d1cafd4cdfff0f55d4586c3d2d69937175e1d2299a38692a0e7b22a8
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SHA512
2f87802b84eb7a4060946d9cd46343486f8a9ffefe267e6d3411e55657408764c9b32563bf78a118f40a20fddebdf0fd8c9acb482a6fa0c2f4c96afa41094a85
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SSDEEP
768:gS4sULWW4pX3lRrQiT9gSZXUJiSOQXRntXoSPtAKSoxoKV6VPw5VFhrRqWImVvY9:fPUg3lR8iT9XUJi6NhqKV2orXZY
Malware Config
Signatures
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Processes:
resource yara_rule behavioral1/memory/1652-55-0x0000000000400000-0x000000000041E000-memory.dmp upx behavioral1/memory/1652-57-0x0000000000400000-0x000000000041E000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
4e70fb50d1cafd4cdfff0f55d4586c3d2d69937175e1d2299a38692a0e7b22a8.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run 4e70fb50d1cafd4cdfff0f55d4586c3d2d69937175e1d2299a38692a0e7b22a8.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\4e70fb50d1cafd4cdfff0f55d4586c3d2d69937175e1d2299a38692a0e7b22a8 = "c:\\windows\\4e70fb50d1cafd4cdfff0f55d4586c3d2d69937175e1d2299a38692a0e7b22a8.exe -m" 4e70fb50d1cafd4cdfff0f55d4586c3d2d69937175e1d2299a38692a0e7b22a8.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in Windows directory 2 IoCs
Processes:
4e70fb50d1cafd4cdfff0f55d4586c3d2d69937175e1d2299a38692a0e7b22a8.exedescription ioc process File created \??\c:\windows\4e70fb50d1cafd4cdfff0f55d4586c3d2d69937175e1d2299a38692a0e7b22a8.exe 4e70fb50d1cafd4cdfff0f55d4586c3d2d69937175e1d2299a38692a0e7b22a8.exe File opened for modification \??\c:\windows\4e70fb50d1cafd4cdfff0f55d4586c3d2d69937175e1d2299a38692a0e7b22a8.exe 4e70fb50d1cafd4cdfff0f55d4586c3d2d69937175e1d2299a38692a0e7b22a8.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
4e70fb50d1cafd4cdfff0f55d4586c3d2d69937175e1d2299a38692a0e7b22a8.exepid process 1652 4e70fb50d1cafd4cdfff0f55d4586c3d2d69937175e1d2299a38692a0e7b22a8.exe 1652 4e70fb50d1cafd4cdfff0f55d4586c3d2d69937175e1d2299a38692a0e7b22a8.exe -
Suspicious use of SendNotifyMessage 2 IoCs
Processes:
4e70fb50d1cafd4cdfff0f55d4586c3d2d69937175e1d2299a38692a0e7b22a8.exepid process 1652 4e70fb50d1cafd4cdfff0f55d4586c3d2d69937175e1d2299a38692a0e7b22a8.exe 1652 4e70fb50d1cafd4cdfff0f55d4586c3d2d69937175e1d2299a38692a0e7b22a8.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4e70fb50d1cafd4cdfff0f55d4586c3d2d69937175e1d2299a38692a0e7b22a8.exe"C:\Users\Admin\AppData\Local\Temp\4e70fb50d1cafd4cdfff0f55d4586c3d2d69937175e1d2299a38692a0e7b22a8.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1652
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/1652-54-0x0000000076041000-0x0000000076043000-memory.dmpFilesize
8KB
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memory/1652-55-0x0000000000400000-0x000000000041E000-memory.dmpFilesize
120KB
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memory/1652-56-0x0000000000290000-0x000000000029C000-memory.dmpFilesize
48KB
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memory/1652-57-0x0000000000400000-0x000000000041E000-memory.dmpFilesize
120KB
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memory/1652-58-0x0000000000290000-0x0000000000296000-memory.dmpFilesize
24KB