Analysis
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max time kernel
145s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20240221-en -
resource tags
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submitted
23-02-2024 10:09
General
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Target
2024-02-23_fef2ff5891dc950b0a483f0242eb51a2_cryptolocker.exe
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Size
38KB
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MD5
fef2ff5891dc950b0a483f0242eb51a2
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SHA1
6d7eb9b6b002b67cfd558378478591dcdd8fa623
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SHA256
d719255c83d5a30a7e3b0386ef7a8feb5dd5c6cc54a2d4786d239ff44fe031da
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SHA512
df0cf69fcdd355202bfc8de7fb949265aff1871a1c492b54ea95a77b8c85410eef419ddbd9a7f5f189b8142f8e7ecdcc6ce21c6376ae0e87289b97eee5ce9370
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SSDEEP
768:wHGGaSawqnwjRQ6ESlmFOsPoOdQtOOtEvwDpjm6WaJIOc+UPPEkLx:YGzl5wjRQBBOsP1QMOtEvwDpjgarrkLx
Malware Config
Signatures
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Detection of CryptoLocker Variants 3 IoCs
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Detection of Cryptolocker Samples 3 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\2024-02-23_fef2ff5891dc950b0a483f0242eb51a2_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-23_fef2ff5891dc950b0a483f0242eb51a2_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
39KB
MD5582bded1166b11a7e5e87ed04f03074c
SHA10ca5251298405e3558e1efccd7a401f3e7ce7e5c
SHA25691a850182a46af784d93c66b0b5185722429db6f4f21bf5456256014404fb77d
SHA5127d247cf592d978275dfeeb1bbc98c08914dc3a3c60580933c9fe5f0d90a0473dbcccfd609ad508a576f9cd6c50fd2fc799d04b8a270b369efef1ebd87b148e2b
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Filesize
44KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
44KB
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Filesize
24KB
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Filesize
24KB