Analysis
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max time kernel
150s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240221-en -
resource tags
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submitted
22/02/2024, 00:48
General
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Target
2024-02-22_72c6d6247835f67a6a3c55ee16f71100_cryptolocker.exe
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Size
105KB
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MD5
72c6d6247835f67a6a3c55ee16f71100
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SHA1
a99296780f37cb63f06238a3baef3e1c87387354
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SHA256
1bfe7eab5528b516a1d1d6594b45774d9e7d2aaf5367513d14b0ec41dc1099c8
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SHA512
217c2a91ef5c76dd14b098b72beced67dda6a8a89249a2297b2d9f290e53203cb55a58677793a088970a3120c381ff890172e00ba9f879fae67b0da95534d01a
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalRn5iF1j6Gksurh:1nK6a+qdOOtEvwDpjA
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
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Detection of Cryptolocker Samples 4 IoCs
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UPX dump on OEP (original entry point) 4 IoCs
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 1 IoCs
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UPX packed file 4 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-02-22_72c6d6247835f67a6a3c55ee16f71100_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-22_72c6d6247835f67a6a3c55ee16f71100_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
105KB
MD508254a1a81cdfe3ba21dd5a15d7aceec
SHA18c460f3f74d46ffc14a5d359c4b05bc8dd0ffeff
SHA256d2150824639b3b0c1cba7355da1c5a8d81ab1df489f7a4c9f4486c6bd86523d0
SHA51211030b85250a6561cd24ee92bbf4b13ca7e6509ea394412a572243aaa4ba0c688edd2dfd3d465770c3ae116666e2248a7afe9c5f7a438727ab9060b33a23a36a
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB