Analysis
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max time kernel
147s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
25-03-2024 20:26
General
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Target
2024-03-25_22bc849d2c3d87f5a8c7d90ad9ab2e5e_cryptolocker.exe
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Size
109KB
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MD5
22bc849d2c3d87f5a8c7d90ad9ab2e5e
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SHA1
aa55802a7f9f243e325fb0238a9b9117aab6064c
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SHA256
57819079800d0ab0197750bbd36b9d21ac228585a9fd4e5b571303c8441c59f0
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SHA512
9be5bd43241437de615ae155f6d19095cccedb2c5510d42dc916304c326303a5e4bc59f1d613cf378078668af3a2e6c1be9f21a77f47ae685870874657227588
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalRn5iF1j6Gkszf+:1nK6a+qdOOtEvwDpjS
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\2024-03-25_22bc849d2c3d87f5a8c7d90ad9ab2e5e_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-25_22bc849d2c3d87f5a8c7d90ad9ab2e5e_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
109KB
MD507dcc4fdd674c3cda7b24c20f65d1f4b
SHA19defa36cb80b083194de98a7fa1abccb2f6fd4ba
SHA25687a0d3a6473665a3c3b738693443e56d1445d4ffd613e2f2c5feba8ff6d978d9
SHA5122dfe849b872aabb4a4f26977d1d3f6a7d86bbdb7d1569f9b98508badd5be4b06a641cc17c8cea7a81cbca71a0728dde16e2068e62d1eb9b44b89e18957e4e514
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Filesize
60KB
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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
24KB
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Filesize
60KB