Analysis
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max time kernel
150s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
08/03/2024, 09:50
General
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Target
2024-03-08_ba91b437a2f3a9d34b5eca43a34c45b8_cryptolocker.exe
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Size
90KB
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MD5
ba91b437a2f3a9d34b5eca43a34c45b8
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SHA1
e48734038395b111848019cba51e02004ef7190e
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SHA256
4977653d1e2377e2d6bdae8c664352c024f136cf3f635f24ff62b615ebeea293
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SHA512
d1d0a98402a9803c9a1a445ee8e1c654243ea6f4c36b33ac1c9263e04ce4ae6486995c6a05a9e1a39d77ae5ac598bfa75444a0c2b59b2de15d2f77562c36d2d7
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SSDEEP
1536:V6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwMgt:V6a+pOtEvwDpjtzx
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
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Detection of Cryptolocker Samples 1 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\2024-03-08_ba91b437a2f3a9d34b5eca43a34c45b8_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-08_ba91b437a2f3a9d34b5eca43a34c45b8_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
90KB
MD5b00ba145f1c051cdad871684107816b1
SHA1236dac250b31dfac7019f38003505c38486bd1c7
SHA256316f880aec43eb7db0e81f2f849d3ca61bdd0be4dbd39960be6edf68112bb5a8
SHA51229c4ef0d06e2678121be6bbd66147d6e5175986204dfc82cdf871d4768ef94052e9d3355613f6e663fb33c0886261bd82aeeeb9335fe00129564ae2bc8a92fef
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB