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
23-02-2024 10:39
General
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Target
2024-02-23_43c7da0ef74fbb172da10a20d680a6a7_cryptolocker.exe
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Size
49KB
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MD5
43c7da0ef74fbb172da10a20d680a6a7
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SHA1
171aba3160296275c400a1be8a72be9277b3ca1a
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SHA256
173c5b788b151faca47fdd38ac932d588d016e5748547e71bb395dda0a9608e5
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SHA512
aa20cdbb285cb933206f8d5026e0ad37a5af39280349341e27cbb1e7180e66c21e775476f3067459146c3b0742b6bbeb20fa635d7648ae263923d566070bcc97
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SSDEEP
1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQPdUvQ:BbdDmjr+OtEvwDpjMXx
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
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Detection of Cryptolocker Samples 3 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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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\2024-02-23_43c7da0ef74fbb172da10a20d680a6a7_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-23_43c7da0ef74fbb172da10a20d680a6a7_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
MD59d933aaeeb4dafa839369a7f3f7cdf41
SHA1b657e9dba6850b9a20ed571de83e8b42bca20205
SHA25607edd7d915fa0d75ebf904727768bcc3f7a98ef3a6af6f27504208cbef42b241
SHA512c3746608c53a6b2d235b8b23c1f993d9775ee1f2a869bd2d7c1c4b475a83acfa44a8609005d0b31235cb45e8cfcd4c4061d366f54b8dd0f925b44e5f5a219eb8
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Filesize
64KB
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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