Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
26-01-2024 21:27
General
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Target
2024-01-26_d25b57934f4c2839c53488d40c1fc29d_cryptolocker.exe
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Size
45KB
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MD5
d25b57934f4c2839c53488d40c1fc29d
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SHA1
5f0728b2c5df9b00be0a46585c00e9bcfb8309fa
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SHA256
f17c76cbb4c58599d45529f1cb71a9e556e6afa79d743ad12e735559fdf051b5
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SHA512
3c2ec2cf1830cdbcdcb270b831c43c212b5531cfdbbc84932fe1ecc79ab3210e49d584f41bb64df0899690b7f18485d1a2f13b5a4a25cb0eb471a21dd21cabe8
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SSDEEP
768:qmOKYQDf5XdrDmjr5tOOtEvwDpjAajFEitQbDmoSQCVUBJUkQqAHBIG05W2Moy:qmbhXDmjr5MOtEvwDpj5cDtKkQZQY
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\2024-01-26_d25b57934f4c2839c53488d40c1fc29d_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-26_d25b57934f4c2839c53488d40c1fc29d_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
45KB
MD5948ee1f4e28744e8890600d437866500
SHA11a44747c76505923e461a01529b30bb91b42a87a
SHA256cb715e7beffe87742f184d65a62da9fd09ba409dc7df4c087ba3ccb3067ae3bd
SHA512bdb73b0ce43091a5b4bb2f3ef3593c51fb1a2f2aa46713c67d4abbd0ad764e0c06984ab297e901142def8ce9064aa608d49fcf512f7b4706406c2830d7cf1349
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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