Analysis
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max time kernel
150s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
28/03/2024, 03:42
General
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Target
2024-03-28_580fe2077257a762aee6df7198759bb9_cryptolocker.exe
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Size
31KB
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MD5
580fe2077257a762aee6df7198759bb9
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SHA1
45388218bc2f1b0cdcaf3f106b269d3ea9e80874
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SHA256
927c23b0b414e0c3b705dfadb80bacdcca117c6c8b6753861af9772b188a5880
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SHA512
ad15c575467ba9c340a7f3635afc796d7a71c847733b696ab9f9fd73d0deae691c43fe0045f0d481eef6df0f6319628ed7b60d8d1832b26958d9812cd12b556f
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SSDEEP
768:q0ZziOWwULueOSdE8tOOtEvwDpjeWaJIO/xua4:q0zizzOSxMOtEvwDpj/arQZ
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
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Detection of Cryptolocker Samples 2 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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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\2024-03-28_580fe2077257a762aee6df7198759bb9_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-28_580fe2077257a762aee6df7198759bb9_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
31KB
MD5cb89f9e163fcf5e575aba7e21b05432b
SHA1133038b943cd6a6e2e1c40286cdc9f2d066baf47
SHA256e0b5f1c3cbe9e9ba77590bdde3bce04cf0eda2a880af9c10a632d23513a6d935
SHA512a5071a6d5e8858f454e51f5a229196a5218e238cbab2c71f7986337a161445289ce1f9998904dc063d181743fd5ed401850a27ec8a2971785cde22a290a2e070
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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
24KB
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Filesize
24KB
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Filesize
64KB