Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
13/03/2024, 00:26
General
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Target
2024-03-13_1f5b0667c7f463a9ad33e1981e78ac14_cryptolocker.exe
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Size
26KB
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MD5
1f5b0667c7f463a9ad33e1981e78ac14
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SHA1
b86cfeff9f684785d1beb84796de48de4a515e61
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SHA256
4b3597c19ec0b8da425ac583e4c9c0541395c8bc8a10c121d39da09d764ade71
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SHA512
4142670afde1f4dfe8873b79567dec245476d919ec315d12d14083dc5935e3b2144a435a988a56002be9583083de124f386d40695b2cefd41207a56ce20ba064
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SSDEEP
384:qxOZzyjOnqGAs+8ULueO4NdE8tOOtEvwDpjqIGRYK1sGGYkxlmwt:q0ZziOWwULueOSdE8tOOtEvwDpjeoZ
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\2024-03-13_1f5b0667c7f463a9ad33e1981e78ac14_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-13_1f5b0667c7f463a9ad33e1981e78ac14_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
26KB
MD5d3c45fa0ca81f570b483ee9b20855cb2
SHA14830322a202beb59f6236d7ccef386dfaab3fd05
SHA256026674c83d3d2e8af45cad281dc4cfa4afe5255c347547240b7c00f41e5ecd08
SHA512fe6ab2668eaaaee79c7b9587289237ddb41c7ccee49d120482a52eea6b93497456fd4df6b7b99c16203d50a17030ef2d3d1e33407bc99471d7f63bc1ba2951b3
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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