Analysis
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max time kernel
148s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
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submitted
21-05-2024 20:40
General
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Target
2024-05-21_4c5979661e45723ff817bda7aaf169fb_cryptolocker.exe
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Size
64KB
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MD5
4c5979661e45723ff817bda7aaf169fb
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SHA1
cac491fa335490d6919c3bd0d4e9e19a37b13cb7
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SHA256
820b5051307905cd5f45c4e04c189b0ad7416087ddc7719986eff66c1e723f47
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SHA512
c1dac45ce5068053dbe22989eff5fa00c4e940bf238b8996a66a48b2bf36ddeb0ac70ba3bfeeeb5bcfd626819f4d54d44e41bc86069ba4113208fe7a06e12ca2
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SSDEEP
1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQRKb61vSbgtsiR:BbdDmjr+OtEvwDpjM8w
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
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Detection of Cryptolocker Samples 4 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\2024-05-21_4c5979661e45723ff817bda7aaf169fb_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-21_4c5979661e45723ff817bda7aaf169fb_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
64KB
MD5eaff7b294976563ae2a02bddf01bd509
SHA16e7d9153ae4949351dfe6e677bab83070299b65a
SHA256549295a09f6459c528978b1f3b0631290ca63176060cf71f19b898407ebb420f
SHA512dbd56f0e0f725e695115ae4c76b63ab3d39d224960bdf209318ebe61baef878737518d8c30a2005ca3a7a9bbc16f1436e1aaf8e2d4c09aa6e0ef4779a1423388
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Filesize
64KB
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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