Analysis
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max time kernel
150s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
15/06/2024, 11:27
General
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Target
2024-06-15_4917b04e5b35abb6a0c881fea3af9561_cryptolocker.exe
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Size
76KB
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MD5
4917b04e5b35abb6a0c881fea3af9561
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SHA1
66b1ee7dd0d4a17a8ba02ca835aad54b01f3f05d
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SHA256
61b9e13228ee69d109af0ae977549469061176b1710a70dcc7bd1a912522e785
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SHA512
429f7ec6f7437299eff27a8744b906c5239e21e0f8fd216fffb51f2a573e1a2cd8cf1ae1e993bd072f765590a15d8312cb0dd31c66742bdb1205a26eaa8f47f4
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsal81Gj:1nK6a+qdOOtEvwDpjC
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\2024-06-15_4917b04e5b35abb6a0c881fea3af9561_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-15_4917b04e5b35abb6a0c881fea3af9561_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
76KB
MD5d67f70a64a7715053642a26612820e03
SHA170d461dd07d606ecbddd1b0cd7e2da441669e8fb
SHA256354fcba1d68a87be5e55daaa7fb769b7de5d52b82bf5a045328fbcdf90042095
SHA51280b262fd70cb7821c6c2dc9a1d1fc807bb4b8e6167ccdba53400d399db6bee33a60d5228e9ad499622d6677c7aed6d1c8ab5e93452d480bab3162bbe80835ba9
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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