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
03-06-2024 06:33
General
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Target
2024-06-03_7b9f5df90c8c41f7cc4ee99e55aea08e_cryptolocker.exe
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Size
48KB
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MD5
7b9f5df90c8c41f7cc4ee99e55aea08e
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SHA1
a003ddb6f597a7c78a9bb96897ebd83dae32d653
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SHA256
9232e859e5e12d184034082209851fea5d538ec45d0da5dbeb1e57f983566a84
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SHA512
08cf184f6c4badf19597413a17359969a02b338147f0e6ade138068a6f64aaf6e5662d01a41ccb667fad0681c18cf021251fa0d5aa1a021bd1c88d75599ed230
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SSDEEP
768:79inqyNR/QtOOtEvwDpjBKccJVODvy3SpUz:79mqyNhQMOtEvwDpjBzckqSy
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\2024-06-03_7b9f5df90c8c41f7cc4ee99e55aea08e_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-03_7b9f5df90c8c41f7cc4ee99e55aea08e_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
48KB
MD5705bd96522c3db5f92076b3b402557d8
SHA1f8158d66c23b0a813acaa7cd3f16e9ff7df695e4
SHA256f027ad36b39c29b260df0ebab5c1e61da5c81099fca8e3bfef916b3ba95a7b3b
SHA512c2250cd2efee8631f9648f5e17697a4def756aefe5d354a9e56d69db349aa867b81b4797720aa3bd275dbad5ace04feeadfc1aab5631e4c64b948badc030c591
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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