Analysis
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max time kernel
150s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
11/03/2024, 20:29
General
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Target
2024-03-11_739f298225f3c1bfdf1e0c47a9171e3f_cryptolocker.exe
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Size
61KB
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MD5
739f298225f3c1bfdf1e0c47a9171e3f
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SHA1
d9d44cfb1c7909143844d6b0480624889c601494
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SHA256
9c7d5d28b4a5ce1642e73fec56001c2f2cfda15ae21b6e77e6f98becc98534a7
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SHA512
77db9cdbb3840982180f6bf385642b08d9b47cdef9084577f0beebe33888abbc2cf7ad47cd698b06400c9ec41c2cac22e867d045e51f0d423a405fef0a238b31
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SSDEEP
1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMXbh:TCjsIOtEvwDpj5HE/OUHnSMW
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\2024-03-11_739f298225f3c1bfdf1e0c47a9171e3f_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-11_739f298225f3c1bfdf1e0c47a9171e3f_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.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
MD56a2d7da84e56de1542e1445531103321
SHA18c8e35ff5b1e16e01c7fc48a9a6b511eb56c5cbd
SHA25664069c0af2638bd8448945dc18841b2fdf33fb5692d28cf3d681b7db18168435
SHA512549c07294a6609d2edb24227579e152980e5ae31ec5e10e4a293f0a318fbe8345cdcb384ceeeda39e94509de1e79f0edec44c8dcf800339e491f26d3e62cc812
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Filesize
56KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
56KB
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Filesize
24KB
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Filesize
24KB
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Filesize
56KB