Analysis
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max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
12-03-2024 07:43
General
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Target
2024-03-12_d7a9aa11221e1bbbfe0047634caea53c_cryptolocker.exe
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Size
60KB
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MD5
d7a9aa11221e1bbbfe0047634caea53c
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SHA1
fca7bf31bde2adfcaef22999e17b8895dbbc8222
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SHA256
19718fa90ff6566c3a7c5ce865dfc7cb1e932b10bbc94a5e808b3470ae30d77b
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SHA512
79a30fe64d7bf31e7ea3eb20784a8def33362011f7177b7a24f940ac23d140e8aea0cb4874a94776025d3deb8c7b5b36a86e13a4d4b2516747907afef495e6dd
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SSDEEP
1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQRKb614B:BbdDmjr+OtEvwDpjM2
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
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Detection of Cryptolocker Samples 3 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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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\2024-03-12_d7a9aa11221e1bbbfe0047634caea53c_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-12_d7a9aa11221e1bbbfe0047634caea53c_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
MD5a3b8bfb927a13e6a4368593a0eefdcce
SHA161de28b0e86a43e915b4cdb55be6811174331c27
SHA256034154fd8a51656634b8aa56cb960de55b9144a8a8e84f3103bf90ed355864e7
SHA51284f4385c9c423feee7721c2e7fc9300ac0dd8118ddfec746782e210dbc4b38808275436c8bef66f13616f4658b30c61b1faecf0d79e4c122a751569c33d666c8
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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