Analysis
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max time kernel
148s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
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submitted
18/01/2024, 23:32
General
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Target
2024-01-18_f0117c2cfdd911b6f9a469d75244734f_cryptolocker.exe
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Size
49KB
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MD5
f0117c2cfdd911b6f9a469d75244734f
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SHA1
d44c1a03a845ad6951f18c200ad0fa7ee53d1c88
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SHA256
82159d33e277ed9ab3675b81a586ba099794f99fb818c22556fd41ac94e74dc8
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SHA512
0009d3fb2a6548c8500748b439bbdecff2513836b3410d0ae788d2c5ebc3b9f283c91c3266c9611ef86a025edd93c730ff68d9199161d6c3a7f4616d7ba687cd
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SSDEEP
1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQRKb6Imp+:BbdDmjr+OtEvwDpjMQ
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
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Detection of Cryptolocker Samples 2 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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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\2024-01-18_f0117c2cfdd911b6f9a469d75244734f_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-18_f0117c2cfdd911b6f9a469d75244734f_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
49KB
MD5ed11d9a8d10106925051db76d59dc534
SHA136c737cae6d906713935375fbd68a163cbe2d6d2
SHA256fcb8cce1983147e40af2f658c3d979de11ad5157c4fc4bebc67ab876153a896d
SHA512893bcd2cd010584d24571eb837d803661d4676222d916e64d87e75fa4dfe150ba053fc31a5cf97e5fb9ef8c83b2dbdcc48ef765dc78bc05635cec521c1caf286
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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
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB