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Analysis
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max time kernel
150s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
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submitted
14/05/2024, 19:33
General
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Target
2024-05-14_640a5faa4726c713812985713b914c8a_cryptolocker.exe
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Size
71KB
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MD5
640a5faa4726c713812985713b914c8a
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SHA1
ccd4f65e6c455df0f257a3a770d957059768ade4
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SHA256
16a87cfd63f228e6be5d08b1c1813ecf778c1dcc033da1d4608acbc9210073c4
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SHA512
4538d9eb92ed235a200ed1e67d7bb1156875c5bf791907ad6756dfa756054ad4d64e1915d56283ab80480f7efe2c4083a4c5d7c1026e019390d14299240fffc5
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SSDEEP
1536:nj+4zs2cPVhlMOtEvwDpj4H8u8rZVTs9Mn:C4Q2c94OtEvwDpj4H8zH
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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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\2024-05-14_640a5faa4726c713812985713b914c8a_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-14_640a5faa4726c713812985713b914c8a_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.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
71KB
MD51e38fd594af9cd0daa7c69a56204935a
SHA124ed6346035a5679d862fdbfaf0a4cf77534703f
SHA25616e582155465ea0c5fcc60c4090fe2955d80378a7984a1df6034c927ad688078
SHA512c7626fbcf0b4000b484f7ce9dddd2289d136f6922eb21205d33c6adea7b7e95747a7173d19667598394ce87778d617cbf55485b81d2e5b512652d7a2ce9eb378
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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