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
27-03-2024 12:38
General
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Target
2024-03-27_78ff471af50625d58eceabfd094ad5de_cryptolocker.exe
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Size
127KB
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MD5
78ff471af50625d58eceabfd094ad5de
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SHA1
534842503d33e4e70c229cc0606c0796c7b01132
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SHA256
77ef06717dac1881f01257a934ce9637fc8fff5064c6c9dea020a322dfd38d44
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SHA512
3f2300f3622d283dfb24d3aa47473664a0f992bd53ad38513117495f645a08eac7cb7c90ee0d7d2032b74a4fd7ee4c353ef4638feb300c2a0dd0dc4907ca10b0
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgp699GNtL1ebbS:AnBdOOtEvwDpj6z8
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\2024-03-27_78ff471af50625d58eceabfd094ad5de_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-27_78ff471af50625d58eceabfd094ad5de_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
128KB
MD53b194d68a1bfec8301fd4d30d9809e41
SHA1aaebda10f93270fc67cb18fbf283333227033638
SHA256407eaa19ad4cfb2e8b0e76d7b3408ae349af6cac1d9f70e4b3e9c30dc528a72a
SHA51206509dd72182c4572271ab9ffb02d999ae5d844715da0aa88974f4fe73608d176241d00bbfae69f6311f75a1983b417bf53c8650435aaadb6beb3afdc69fab17
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB
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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
60KB