Analysis
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max time kernel
147s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
29/02/2024, 04:28
General
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Target
2024-02-29_0a14e01ecdf8fd5bef78845b1817ab49_cryptolocker.exe
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Size
74KB
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MD5
0a14e01ecdf8fd5bef78845b1817ab49
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SHA1
849a4327858ebb4ba72ec3d6660c0703ec8bb86b
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SHA256
8fae7c676f53f3ab52ea9e6bcc24ddf09aed75b2735b768f7374c6bf864b4698
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SHA512
8e5b9321845b20342775d2c051c5a5c72a8179f24e5c7665b1ff3c956d7e68602a981412c200c696749d17fd1607454c50f6ac5aaf9b68ae2304e9f3a73958f4
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdJcR6:T6a+rdOOtEvwDpjNtj
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\2024-02-29_0a14e01ecdf8fd5bef78845b1817ab49_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-29_0a14e01ecdf8fd5bef78845b1817ab49_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
74KB
MD5c94c0b0eb98204b19439129a8f1ebe89
SHA19882e6d1e6391ef35fcd6e03ce7584d41bfe1aea
SHA256dbcc42af8684e71d629efc352a432ee0942edc0dce9c0efc1d3cbea48908d141
SHA512cd76cc04662a3459e8451ce33fb9b68e7e8367b5daf31bef39ee5ced736cb7c0bf443e06be5bf0ee6e4cca8a582e8a11c3618c7055396ac35767a03088100474
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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