Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
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submitted
25-01-2024 17:36
General
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Target
2024-01-25_b46fad7d4d7c73bfd0f1014eed18255d_cryptolocker.exe
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Size
85KB
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MD5
b46fad7d4d7c73bfd0f1014eed18255d
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SHA1
dfaba9951391747b525b5c5c1732b03ec5122701
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SHA256
0d55ee7b8da66aae5c9918d60992bdcb44201d2d95517f559afb3f9213cc5369
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SHA512
157b7a1b66d1bbe5a48a70e4395d7b5704e6efbfbabce0a371962ffd7b5e3adf17aefc5322a33e3f8c5e221c46e2697d4f21709c519c13114e52ce287daf490b
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SSDEEP
768:qkmnjFom/kLyMro2GtOOtEvwDpjeY10Y/YMsvlMdwPK80GQuchoIgtISX:qkmnpomddpMOtEvwDpjJGYQbN/PKwMgB
Malware Config
Signatures
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Detection of CryptoLocker Variants 6 IoCs
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Detection of Cryptolocker Samples 6 IoCs
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UPX dump on OEP (original entry point) 6 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 6 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\2024-01-25_b46fad7d4d7c73bfd0f1014eed18255d_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-25_b46fad7d4d7c73bfd0f1014eed18255d_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
85KB
MD5be3c6cd1bf691c5385e2c9cc57673bb4
SHA17f31e0a7968d8dfa1ecaa83e5f558b0fbfb3738c
SHA2564257488dc66b89cc3ad4202ff0e715f4a3bccb128ec6736fe2f3e412c7fd649b
SHA51250934a6fe40dddff88e6ef4e0d3d10d0175d3074f7d0192ce922142b75567ca9b2a8c8f0e0b84e4861cf6bfae75fd84a11ba819c19cbe2b68cd2bd6f0af3e256
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Filesize
24KB
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB
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Filesize
60KB
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB