Analysis
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max time kernel
149s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
26/01/2024, 15:39
General
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Target
2024-01-26_f09c6f26732e7647251eec114764e5f1_cryptolocker.exe
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Size
50KB
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MD5
f09c6f26732e7647251eec114764e5f1
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SHA1
662c4b92f69d730081a9caca67c75e7e5af0a632
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SHA256
bc5bb1eef4a1670223fa1fc5c5be591424f76b65908647f2d2924cd740ab4c1d
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SHA512
1ef3bb32226d58193a594e82fdb35df9a7d2dc019e483648140b6bfabb98f1719d412e7009b6379c90579432e2576fcbb5a5046b2b7cffec36101e522255af4e
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SSDEEP
768:79inqyNR/QtOOtEvwDpjBK/rJ+Nw8qn8pKIRe:79mqyNhQMOtEvwDpjBxe8TpXRe
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
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Detection of Cryptolocker Samples 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\2024-01-26_f09c6f26732e7647251eec114764e5f1_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-26_f09c6f26732e7647251eec114764e5f1_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
50KB
MD58551e5c412939269cb9afc2e84f5f7fc
SHA160a7db69e7c8a20dfe03b70ecf47abe618cb6467
SHA2567dbb0c348135137cdf1695c86960fcd9a94f76301695d42a467f7799f32ba8eb
SHA512c3ed34f535f6dcbec9fd4f1eaab2fd72ad881da74c1b122af927f7c7c028f437d9aed3b8ee83d43af7a83eafb4a2b909a7d427e0fba88a6c48e547eeacbb0261
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB