Analysis
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max time kernel
149s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
30-04-2024 04:57
General
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Target
2024-04-30_6725112704c5d2eac989fd6e7de91615_cryptolocker.exe
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Size
23KB
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MD5
6725112704c5d2eac989fd6e7de91615
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SHA1
17d81ceff555b031d1c412c20f0338738265ac40
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SHA256
ef0a0b5055d2b90a53cf34b2b60015be4fc29b2c0e114ef00a138da4a7f93702
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SHA512
d3b249ead3cc71c972ec164dced82b9044aeccf63c9900f019c67c523b8c0534489efb3b605217591bd50f06cf0c124f57030acf0d78fc819d411306744f6c33
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SSDEEP
384:bVCPwFRuFn65arz1ZhdaXFXSCVQTLfjDp6Hjn:bVCPwFRo6CpwXFXSqQXfjA7
Malware Config
Signatures
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Detection of CryptoLocker Variants 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\2024-04-30_6725112704c5d2eac989fd6e7de91615_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-30_6725112704c5d2eac989fd6e7de91615_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.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
23KB
MD5c78520ffc1f8738eef5d743bd11bef63
SHA1ae4ede2ff17abd4ae0309ca9dbdf5075b03ef98d
SHA256c2341c498475631c85346c44160e3a029f9664832e3df0296773a6bb1862cefd
SHA51266870cc7f75d957ff125b696b41d93f51cba668f653c69490cc40339f7172d2738a223965f7af47d86a47674af7d1c56c335876be1a347669da2482472ac6d85
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Filesize
56KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
56KB
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Filesize
56KB
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Filesize
24KB
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Filesize
24KB
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Filesize
56KB