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Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
14/02/2024, 08:50
General
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Target
2024-02-14_e720f9a94d663d5189e62b4edbeda70b_cryptolocker.exe
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Size
98KB
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MD5
e720f9a94d663d5189e62b4edbeda70b
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SHA1
def5fca513a86563040f089e5c9644a7867392be
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SHA256
5efa5c49d989eef3eb972b6aa1552a486622abb537b1f8e11722eb433e1782de
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SHA512
5ca27ee35d00fb6c3dca7772d81ab6b3a0b97af95642a476384047cf48a33041cf112458de19bd5a041b11943a906eab2b0f69b20634eae11527957b8a9cd43c
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgpwqWsviPGF6:AnBdOOtEvwDpj6zd
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
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Detection of Cryptolocker Samples 4 IoCs
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UPX dump on OEP (original entry point) 4 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 4 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\2024-02-14_e720f9a94d663d5189e62b4edbeda70b_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-14_e720f9a94d663d5189e62b4edbeda70b_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
98KB
MD5b8b1086332b822027dcc6aba5eeef03a
SHA1eb7d04fa4221478a2a8da93035f49ae837a8f8e0
SHA256c341f85f799b731a5f2e81426af2468e26dc3ad5cc3fad976dc96e838436d015
SHA512cd851d7f03047e02f1c0899a9216d60fad6744886e235e27fa8186c2b691c3dee1060e5453b6e7360f2da2ddd6a44a5fc60059ab5c8b95fe926df7f084d7a7a8
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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
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB