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Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
05/06/2024, 16:27
General
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Target
2024-06-05_e4fd58293d7d179b4fa9a5b89e71e61d_cryptolocker.exe
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Size
64KB
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MD5
e4fd58293d7d179b4fa9a5b89e71e61d
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SHA1
c0b12bcb3930b8242fe618d39728d7b58cbbba38
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SHA256
fa4c35fecb67e79398f7d9d6ea4fc4e50c56008ca4b9b58df9c80e89a473e02f
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SHA512
59cf2e9640a5688644e581aac8ae44749b9b2d1452c8d381b94e9eb5e6d3f0f7931f9d5a0225b0386011c6ee2a7653c1b9aabeab8e015b2bec76360fa264f782
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjYZ8xz:1nK6a+qdOOtEvwDpj9
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\2024-06-05_e4fd58293d7d179b4fa9a5b89e71e61d_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-05_e4fd58293d7d179b4fa9a5b89e71e61d_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
64KB
MD5758f1b0cc3f58d725bb0274e7eae7b77
SHA1b7cd275893f52e1196bf9e7563ab2dedf41e114f
SHA25685d10f7e7456fbdc77940913e0f5732d3d6a8a7c95d6da692d9c34c3436574fd
SHA512fd98826db14d2ca41b469262b7906cb5494a7f96e2b0a0017fcb8ef732ad4e46a9c1cf0bd0edb2920511432ee30482846d556cec8a473a35928330d4631d866f
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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