Analysis
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max time kernel
148s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
06/06/2024, 19:45
General
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Target
2024-06-06_fea238d0fb240e5aeea691cb1445a465_cryptolocker.exe
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Size
39KB
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MD5
fea238d0fb240e5aeea691cb1445a465
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SHA1
991be7d7a1c4a8a0c250ff636571480815f2d848
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SHA256
aa6563c780185bfa475745ef78495ca61907bf8d130b7613e412fd98a363cd7c
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SHA512
15ef1a3bf398d241d28af10b77d7d090aa31a307e7ca741d1b72a371f0730dffec17e83f6b8244812cb61be897e491462a3ae88c5f4d44c41800b5bd981e408a
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYaBsC:qDdFJy3QMOtEvwDpjjWMl7Tdx
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
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Detection of Cryptolocker Samples 5 IoCs
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UPX dump on OEP (original entry point) 5 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 5 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\2024-06-06_fea238d0fb240e5aeea691cb1445a465_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-06_fea238d0fb240e5aeea691cb1445a465_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
39KB
MD5a0b36a8a3d647f279a717fb9e99bd9b6
SHA1b583c91e5f883f2b6d17ca8c5c95fa87e4837e9a
SHA2569385c4a0241ad0ccadc9887e4e5d4e1827e56c9fcf8b8bc7593545602020d2da
SHA51291a3016c90980b276c47e4c196763a99ce14e563de31aa1e3d1001a0c4111370851e7970a52c73fba8042101624d786e9ae9ef744c0006a542e8cb597e7973b2
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Filesize
64KB
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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
24KB
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Filesize
64KB