Analysis
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max time kernel
138s -
max time network
160s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
14/02/2024, 17:11
General
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Target
2024-02-14_90e2992511ed16dc14d07f73f4946685_cryptolocker.exe
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Size
105KB
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MD5
90e2992511ed16dc14d07f73f4946685
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SHA1
0e6c6daf1114de71bad0fe0bec9847416986fc2a
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SHA256
3c924ca2b836746f93047af079515ce316c1021e2a8b65b465826a94512f0f12
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SHA512
e358fcb079685d030fc436699aa8311f4cb3820972956b22998c43cd7a63d58a17210198e9b43c1ef0c9455bfcaef79cf0fd1e6d0770b47d72cc3d67d8ef1913
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalRn5iF1j6GkswT:1nK6a+qdOOtEvwDpj6
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\2024-02-14_90e2992511ed16dc14d07f73f4946685_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-14_90e2992511ed16dc14d07f73f4946685_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
105KB
MD52e207cccc23118559b3f370239b39c67
SHA1af2ce87027ed7e8941f9835b6b1d8e762530f4a4
SHA2562d07fae0f285f3e25053e7e9e4d69fa66477b7e6d354b7bf17596e4009426ff5
SHA51238bcb3fae07ba150052143ae1d9ff3e53d6d76dabd255d1f76946c56b20ccd98bff72bccde7355691acf4dd9f36b1dc5bd6af32f32b75175da896390ef0065d7
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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