Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
07-03-2024 02:46
General
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Target
2024-03-07_d6a7e98bb145630a0c649af867308b25_cryptolocker.exe
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Size
117KB
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MD5
d6a7e98bb145630a0c649af867308b25
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SHA1
cfcb768c092dba482c6c32eb0f29384661518d45
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SHA256
3c797d19d2b3e7c562c67ede9c9f363011a3f9becda7ffc85ca1be905968706b
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SHA512
c7f30344370c5df982764a8e3518e960ae2ede07ba55cdd64ca87be66149bfb3520f35143d9df904368c4a880cdf360ca55253d1834d527235e022df78542e7a
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjCGYQbN/PKwNgerar/+X:T6a+rdOOtEvwDpjLzl
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\2024-03-07_d6a7e98bb145630a0c649af867308b25_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-07_d6a7e98bb145630a0c649af867308b25_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
117KB
MD58cf89e8fbcb857f8b562278cfafd8cdb
SHA191b1223a3d6845397486171eca66ca67b2916450
SHA2567e34a2f3663436f04142fcda8f7b4a56418bc97c6d1e9f14b6fd142c76355508
SHA512c900cb875cb6bc8824f3136a5fd16739e573ca93b6b4fe076ec92a50ea242f9a6e209dd516657e54685262df26022214cf91e33f2f6de517f63cf5bee5a21c5f
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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