Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
15/06/2024, 20:35
General
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Target
2024-06-15_b97fc28add60341597e1506af4fcd46b_cryptolocker.exe
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Size
81KB
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MD5
b97fc28add60341597e1506af4fcd46b
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SHA1
f42e5138ec2f5d5a0b122f6458fedd1c1ed87b61
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SHA256
b0e53fbb6dd774c6d19d61388f1f128a0e8e19c9039aa7b4523bf21e1875117a
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SHA512
51fa3921ba843479285330e03abe3c410b4c5489b586d4c21ebbc6609c5c8cc8e697cf391e7d65e993dc5b5f20f78d4a1b8f8197e8b6bc31f3c6b3baee739b3f
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7QM:zCsanOtEvwDpjY
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
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Detection of Cryptolocker Samples 5 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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UPX packed file 5 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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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\2024-06-15_b97fc28add60341597e1506af4fcd46b_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-15_b97fc28add60341597e1506af4fcd46b_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
81KB
MD5ef4d003b2fa7fc7f0623e31a6f39ff89
SHA1aa593249002bf696a5c57de9d3ff6374e28ed4f6
SHA256aa49d7d45d8ac334a4d033a3b3b3c9da2262cc6ec99ea13e92a37425ace90260
SHA512d9ff9af15fbdd5f5caae20779053024871af49e8fea637a598ddde527843c01785a7a7bf2f9f1bdcea85d1712d659f4a4513f2e94daf3df49dce0cd9168f20bd
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Filesize
64KB
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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