Analysis
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max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
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submitted
11-06-2024 19:54
General
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Target
2024-06-11_8c04d7da7dc82c52d17a7b1b1919445c_cryptolocker.exe
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Size
91KB
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MD5
8c04d7da7dc82c52d17a7b1b1919445c
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SHA1
48ae6457dd8faec6d755d472e96ee158f1165119
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SHA256
6287354b56b970ef27d4a2e28603de65da33626db814092fee76b0b2f7b37176
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SHA512
feb04655db436fbc1c6027b794232b48292445988dfbb6f56fcfa6fd714fbab4c33c9e97d0e4ad73d4f77b2768da8197fe777c93114017647583b3df888da334
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SSDEEP
1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAA/Dx:n6a+1SEOtEvwDpjYYvQd2Pm
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\2024-06-11_8c04d7da7dc82c52d17a7b1b1919445c_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-11_8c04d7da7dc82c52d17a7b1b1919445c_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
92KB
MD5a5c70c74bc9f7df71b6e353d32862390
SHA1f52a5684fe9e1c8765d31593a75ad0832ad1b0e8
SHA2567c4cb9a8fc9548fe7ad4a80f9a3b0390f0c9d2095d33cbb1b8ecc5f6882e5e13
SHA5122dd3fa89ec8f703d042904655136bfd27f87751fa3c353e9d9ab25ca17c1e5316d6ea42941e5c4cfdc5c3b7f85dd2be845cf7445d5221090b2ce0c66657c35e6
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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