Analysis
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max time kernel
150s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
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submitted
13-02-2024 17:46
General
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Target
2024-02-13_53040eae1e7f76d86dd0de04c7d7ab08_cryptolocker.exe
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Size
66KB
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MD5
53040eae1e7f76d86dd0de04c7d7ab08
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SHA1
6eb183d35da6276dfec26b641bedcd9aed99e0a1
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SHA256
df512c003b4cbf2355eb4ff41e64ee1684bd6c524c77f1a462c3018f856d516b
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SHA512
1fbe0f7d55327690c17ac2cf880985d735fc5bb22326657fa625068a35aa6b7c95c154998f795bfe75fb66412b0be1017c2aead240bc6aac9dddef5c2054fcdf
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAeBo:z6a+CdOOtEvwDpjQm
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\2024-02-13_53040eae1e7f76d86dd0de04c7d7ab08_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-13_53040eae1e7f76d86dd0de04c7d7ab08_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
66KB
MD5a37cccc9897193280710b2f698ba92b4
SHA110a8257c8e54b67d9128cdb0b2c9253a66ebbccd
SHA25680bc507dc4ecf11d959d2b62e112600173cf44058690da0e5870e9a42d3f6ac9
SHA512f7887c83b92f37bbba132e1676fd10b6420fc8381ad95d244d1bde94db2281696e078a18d5630d3e5f662b32f73627c87abd07595473ab39fd1f0c5513b1a0f2
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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