Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
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submitted
18/02/2024, 04:26
General
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Target
2024-02-18_12de7a31b38174eea9e9485eb48385b1_cryptolocker.exe
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Size
31KB
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MD5
12de7a31b38174eea9e9485eb48385b1
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SHA1
de88d1346c606ab3ed309ec46d4f5b42850dd53e
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SHA256
d05ee407bbb959d3cbfd0b0a7d457029bb8634330b51cdbc7d48107ec9658a2f
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SHA512
4bfddd9625579d98e733657df30756b2075bc23e9bf559313aa4174ed8722714158a8f09f97076e99c579a4a9c524f6fd0b67f73736a21700c8ad2ed9d06b462
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SSDEEP
768:q0ZziOWwULueOSdE8tOOtEvwDpjeWaJIOc+4tHP:q0zizzOSxMOtEvwDpj/arqv
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
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Detection of Cryptolocker Samples 3 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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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\2024-02-18_12de7a31b38174eea9e9485eb48385b1_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-18_12de7a31b38174eea9e9485eb48385b1_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
31KB
MD57d5c3102fb521baba3b3132059cecdf2
SHA166d8d867d6977cc51cc51a0cd655cfb0179f5583
SHA2561469386e952a9e231d98f034c6eee38ea6142aa95df20708087bdff0f0b1d008
SHA51274b4b6484c25f3e3dbddb1cf49aeb3b53d324586f198e05b36cc6495fd078918e165c6e820a247ad8d80b17594746950705b9c4a9d90178d7059976ff05e6c9c
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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
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB