Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
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submitted
18-02-2024 10:24
General
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Target
2024-02-18_1a63023a5898287fbdc0850e421bc945_cryptolocker.exe
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Size
61KB
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MD5
1a63023a5898287fbdc0850e421bc945
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SHA1
a7e136bc94e596193bbbfbbf7c15093dd44a2abd
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SHA256
a22bd93397f9d43eb9b9efe1a0dcda3b70b465255a7959c8f4827acbd4523ea1
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SHA512
2726ef8d1f4ec2b8ca35c20cbac9f3aecba707507c8c0f9262b066ce1cea77236b3efab985ae3731bd2c442dbe740dbd9d66a102f684531d62ea8dbdf3e0a819
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SSDEEP
1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQRKb61vSbgtsKU:BbdDmjr+OtEvwDpjM8b
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
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Detection of Cryptolocker Samples 2 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\2024-02-18_1a63023a5898287fbdc0850e421bc945_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-18_1a63023a5898287fbdc0850e421bc945_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
61KB
MD522586615ad9717931f0d93762e109026
SHA19db549f88e8b8a680081b0d9a3447225f40aae8c
SHA2568acbd104e30e65e522788fc4b93f6be3b827f1e3afe4ef946f61ad1a2b7f14eb
SHA512ac984a15221c70ba174afd6152726860d0a3c03f6724fc51d40888de370faa19d84be905e993e9e1ec2faa2728bb5655d957e8d7e8ce0a8f5a379bd6703ce2b2
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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
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB