Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
25/02/2024, 17:41
General
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Target
2024-02-25_926f690ed750e81993c97f8f6d067e2b_cryptolocker.exe
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Size
99KB
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MD5
926f690ed750e81993c97f8f6d067e2b
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SHA1
657302c1023869b7f32f7b7c8d527f76980ffffe
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SHA256
feee9a7cb976920f12e3c463df3c7043e556db029bcc78dcf98bf30275a3efc7
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SHA512
665e6bc520d2cbede91e957497ff821152f023f9a6f072811bcb0d43e736dd646c301708254ea7d7bfeb0cfc26170ae3bd977630377e01b4f9f97b303490e37e
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgpwqWsviPeB5:AnBdOOtEvwDpj6zK
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\2024-02-25_926f690ed750e81993c97f8f6d067e2b_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-25_926f690ed750e81993c97f8f6d067e2b_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
100KB
MD541ae730634994cdac6e5b39414726f07
SHA16d939b2bb44900eb8042f0a4bdfe53ab155fc517
SHA256b56c3929b032c360d80e5be94c5733caec1740b23f3e5edb515b99268ef0688d
SHA512636acb8043e44229f6a45d15ecb9551d0cc31382f810cf49af5407232ef17ed962eccda11d43ba66988f94efcf0624b465a1f7f3575e005bbc91c24d88524471
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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
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB