Analysis
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max time kernel
148s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240215-en -
resource tags
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submitted
01-05-2024 05:30
General
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Target
2024-05-01_a581833f1e09cc3237c6217c9b38f72d_cryptolocker.exe
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Size
38KB
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MD5
a581833f1e09cc3237c6217c9b38f72d
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SHA1
e6b91a5d5df0e3aa580cfe5c8b404743a3674ad2
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SHA256
8121fbb7177cc3e7b97dca91f7b6eba243d1650295c139e0187728ff3015693c
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SHA512
1780a8bf5a8b494654b62a9b8ed66e2b42d026f9ea1a3beabda22aa093f8c8fcfa2ceec3d940f7e015c743ee007ea257b929edcb3f39dc023133d08b5893cca1
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITY9/:qDdFJy3QMOtEvwDpjjWMl7TQ
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
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Detection of Cryptolocker Samples 4 IoCs
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UPX dump on OEP (original entry point) 4 IoCs
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Executes dropped EXE 1 IoCs
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Loads dropped DLL 1 IoCs
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UPX packed file 4 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 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-05-01_a581833f1e09cc3237c6217c9b38f72d_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-01_a581833f1e09cc3237c6217c9b38f72d_cryptolocker.exe"1⤵
- Loads dropped DLL
- 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
38KB
MD5f23a1fa14cddd0c3ac3880da545f5d5f
SHA1ef0dcdc4d4270c8aa5e545d75c1be0385f2d9980
SHA2562598856b1a180e50e43f14b80cf7fd38f79252add4da70c687f2a49cce644a07
SHA51269ed3ff862535b1bcccf3450a910b4d59d22f848c5e20a89bbaf493f87f37c48e9cdef52d836e3ca928ed639c1885782f29c3ad2bd9542705868f859e1834125
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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
64KB
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Filesize
24KB
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Filesize
64KB
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Filesize
24KB