Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
05/06/2024, 00:37
General
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Target
2024-06-05_87c66d6721d6d189ccb1509bfb6efe9e_cryptolocker.exe
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Size
95KB
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MD5
87c66d6721d6d189ccb1509bfb6efe9e
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SHA1
81afe73c27e316bf83a77f0a51a3a39be1bfaac7
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SHA256
412dc80be4935780b9a9726064bd4aa7c46841ce999dd642262c693c00e8fe6c
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SHA512
2692c2b36a40e343f4d932669dac8e58240023ecafebd795b61476f514aefe03446bd45de89d852f6d9f46a33357022e6711821a5ac406a6fe8f12953562dabe
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgp0+/:AnBdOOtEvwDpj6z0
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
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Detection of Cryptolocker Samples 4 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\2024-06-05_87c66d6721d6d189ccb1509bfb6efe9e_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-05_87c66d6721d6d189ccb1509bfb6efe9e_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
95KB
MD5b13f91c8fc577062c01da76bd93e5c3b
SHA16edc5727596a57702c398d6b40bfd1ed2b03fcad
SHA256e4e04b76d9e7f2a00b0941b755d43f72795506d33bffdd4381caea3dc340dce4
SHA51281ea01bce54f3f333a4d031ca713512f4f7b9b32550ea5bc79b2279a2bad5daf42b1983598fe72ec812f73e12bec4972cc4b48ec73ac6a2c38271d2d374f0bc7
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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
24KB
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Filesize
24KB
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Filesize
60KB