Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
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submitted
28-04-2024 11:40
General
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Target
2024-04-28_7684dcb9ebe0ac5b41bfa0eb56107248_cryptolocker.exe
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Size
59KB
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MD5
7684dcb9ebe0ac5b41bfa0eb56107248
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SHA1
b0d2e573e4ecb67e795c22953ccb34308f6c9f5f
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SHA256
1839fda3131eea9d174ee0ff78caa909ffd04ef79c108a7f9195e1cb54a8e80b
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SHA512
3ec04e3a1109254c9659d6eb7397e9c417b0b2a6e8dd593d209744dc424c7b5262596602e908829cd831577c5bdca8fbf46233d5fe3d51643d50b7b0dedbd178
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5app6:z6QFElP6n+gKmddpMOtEvwDpj9aYaK
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\2024-04-28_7684dcb9ebe0ac5b41bfa0eb56107248_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-28_7684dcb9ebe0ac5b41bfa0eb56107248_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
60KB
MD53c65f1a587535113fe5250710338e559
SHA1c10c2f6952e8d9a3445328dd51117d02d576c8a6
SHA25691bdb3267d7ff9595405a566b1459cdaf3ea6dbe7014af227c4e33628e5338b3
SHA512a145560123a81086b291ae608163c7b97af58721cbd710cd9863bf3693be4eed522e15dee9b769fd1c11dd7b5c5dd9ad8597be456d3327a1b8e287075ec3e369
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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