Analysis
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max time kernel
148s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
23-04-2024 09:32
General
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Target
2024-04-23_f3d69b011049c6cb3cc4c58f792fa527_cryptolocker.exe
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Size
79KB
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MD5
f3d69b011049c6cb3cc4c58f792fa527
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SHA1
74dfd2a0f255bf6077ec93171ce6788548c76361
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SHA256
71dc20ec1b034048569c623b78da89c1b852ca8531d1cb40a7822f7852d2cbb5
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SHA512
478be145f29932ab72e5063e7764a6d9aafb6e6332a4a2e3a87d5fa5697dce64ce23788087dedfcf729809a48fd6844efd5941abb0fa5891f70fb0962202a5f9
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7Qpz:zCsanOtEvwDpjp
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\2024-04-23_f3d69b011049c6cb3cc4c58f792fa527_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-23_f3d69b011049c6cb3cc4c58f792fa527_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
80KB
MD515c2e71c908c827b335526f80fd88df3
SHA1cf163607a76ccce5da333d4cf964eb8d121e0708
SHA2562d187873440f29084fabe6614403094969ee82e5a7164d61c1530af1b995bf5d
SHA512bcafccb78064056abfb52d6896abf75cfbc2ae5a9b0411812106b1004c0efda10900d6303161ab79b7a31eeab16fc52810b87b0c85a32000b2fb10f529be4e71
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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
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB