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
14/02/2024, 04:00
General
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Target
2024-02-14_83474f16e0e0c010d2edddc491653816_cryptolocker.exe
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Size
66KB
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MD5
83474f16e0e0c010d2edddc491653816
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SHA1
e3549503eed9c5169e4f35f401a83e54359758e6
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SHA256
434c91d4b6f83ec7985b405c685241fcf4a419a6effccb0c9188ac0e2ac17803
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SHA512
770e0e98355ba101114cb21182d64b2ce6e95d79e4e5e396dc9bd9cd0bd182b1973e89eec9e03e83d98c718556f06cd5aa69a9a939ef6186cbe33af8049440f7
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjY6UAXa7O:1nK6a+qdOOtEvwDpj5
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\2024-02-14_83474f16e0e0c010d2edddc491653816_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-14_83474f16e0e0c010d2edddc491653816_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
66KB
MD51ae8ce0c7c6f5127627227dbc78fffba
SHA112d696b77296eae4b357264c68857bcf2a21b638
SHA2568180bbb6a133701df3ce3bd2f93a099d5cae703f9fda2f532f970335e849cb24
SHA512e8cee4bf10ff04bea6b9c7e7f46df792d4662bcbd39ba4d3e40464a0522093994a7306c8030f845d28ec0965275a36412e27218b46ebcc3a33fe5e84783b9499
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB