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
19/03/2024, 18:02
General
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Target
2024-03-19_f01afc1dd3d3d7adae28dcd83d973870_cryptolocker.exe
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Size
47KB
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MD5
f01afc1dd3d3d7adae28dcd83d973870
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SHA1
0dbfd061af3be4907af0fba3db98040a413a46ab
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SHA256
127576e82332cb79dae1b87599685bda718c0b540f65bff1700f76bcbbad79dc
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SHA512
97df1c580430ec8bc8b85fd577dd7958dd5355fbdc3bc78978d92d255be94d2c39b50d6c60fdd11331f397a38ca25dd1831811d8a260c7693651feee2da87465
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SSDEEP
768:qmOKYQDf5XdrDmjr5tOOtEvwDpjAajFEitQbDmoSQCVUBJUkQqAHBIG05WtyU8j8:qmbhXDmjr5MOtEvwDpj5cDtKkQZQPdUT
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\2024-03-19_f01afc1dd3d3d7adae28dcd83d973870_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-19_f01afc1dd3d3d7adae28dcd83d973870_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
47KB
MD571887243e49238b833a30d2bda3393cf
SHA19a0562d7acce2c3cc88b0c7d08041e6ad6b426f9
SHA2560d7ab0fea7a0bceebbd25a43d9a87117665c7afecf324217ed2fb2499420a301
SHA51200c2a7f22ba2ca400eb60fb2423b4ab34003918bfe52d89943cbd3f0355e047978b965abc5aa13961042ae533a27983280e67a3d84a1cf4a9ce0deca9ac6b3ab
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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