Analysis
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max time kernel
140s -
max time network
123s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
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submitted
03-05-2024 04:06
General
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Target
2024-05-03_f93f87bbd54802e59ce61fbbb5b77923_cryptolocker.exe
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Size
36KB
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MD5
f93f87bbd54802e59ce61fbbb5b77923
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SHA1
dedcc8c5090be5f940a2c904aab7f3642e6d4c91
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SHA256
3b299bc37f5bba8981c8abc79d12328aeacd03b1950856ac71eacd774514d818
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SHA512
283327cd8cc5f1c582c467542b3d180d93f1f0e001b1e02fa47f97890dd48a90d757e6423536cf618f0c1a0132e954ce7dd853adcc52b93dd95bccc19c49b26c
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SSDEEP
768:Kf1K2exg2kBwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZsBGGp/YIm7wm0Wg:o1KhxqwtdgI2MyzNORQtOflIwoHNV2Xf
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
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Detection of Cryptolocker Samples 1 IoCs
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Checks computer location settings 2 TTPs 2 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\2024-05-03_f93f87bbd54802e59ce61fbbb5b77923_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-03_f93f87bbd54802e59ce61fbbb5b77923_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\hurok.exe"C:\Users\Admin\AppData\Local\Temp\hurok.exe"2⤵
- Checks computer location settings
- 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
37KB
MD53295cf5df16f77e4711702abbbc4df60
SHA115475056525f74914dd000661055bd52fffcf992
SHA2561c7a0f1a233b4e4e073569d5c86788d4dabdf79329581ab0cae366a886e9c703
SHA5122686de87c16bc82236b5f64671e015f3dcebf4ca34da0000946e3cf7f12b0a910f2feac214151281bbcb8c3ac0563cab0fa726df989d5210feec98cbeee23aae
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB