Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240221-en -
resource tags
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submitted
22/02/2024, 05:42
General
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Target
2024-02-22_fcc51b0333aa22a8e8720ef667a14800_cryptolocker.exe
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Size
80KB
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MD5
fcc51b0333aa22a8e8720ef667a14800
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SHA1
53ee3e2c8ec66a20390a3c3146e677535b55cd22
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SHA256
211cd8ffb1cf352d14ae010bb679c6c30ac6b31f33fbc5344f2c6d507e2ddb5a
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SHA512
496a4ac339f654691927379305e50b47c4ddda4d7af8d994026354823d68d2dfbdf75aa1ecd1904a702fae0384bb96aa314b9ff1264c9799b083305e9d08ed8c
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBd0W:T6a+rdOOtEvwDpjNtV
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
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Detection of Cryptolocker Samples 5 IoCs
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UPX dump on OEP (original entry point) 5 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 5 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_fcc51b0333aa22a8e8720ef667a14800_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-22_fcc51b0333aa22a8e8720ef667a14800_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
80KB
MD54c1202a8258010a10a2c162983b9a0b8
SHA1cdd91bc71e4bd11631186f5c4c1ed906b4a6a8df
SHA2560aeff332db41318c7444685cf1d75773aaeaa530f045736b9d2bc560706f6c74
SHA512dcfd9ad98bc3ff9f5f4435df458a28de2ed9b9df478863206c44243657dea7b9388f4deb132b958228f9c9af31d71fed406f6602c21137cafa7f14f33fa2e2f1
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB