Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
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submitted
01/05/2024, 17:45
General
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Target
2024-05-01_2a1838833a6a42113ec63bbb8d3d5d2f_cryptolocker.exe
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Size
38KB
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MD5
2a1838833a6a42113ec63bbb8d3d5d2f
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SHA1
9cf360d6314eb6a30dc76b7b60c7b2d68af171fd
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SHA256
6b628d4db0bfd6b1c4d473c02307e1ca892ebccc62069495b54d7bc2193e7957
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SHA512
50085ecf8281b5e5558e84383edd1763ddac2469f2bb21a30f0d535eef7cd2d24a57541b359773dcaaf7b7209fb2e73f9673538441c22c3c7defc9e513584279
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYaIdJ:qDdFJy3QMOtEvwDpjjWMl7TdAJ
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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 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 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-05-01_2a1838833a6a42113ec63bbb8d3d5d2f_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-01_2a1838833a6a42113ec63bbb8d3d5d2f_cryptolocker.exe"1⤵
- Checks computer location settings
- 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
38KB
MD5024eb3c0645b71fd71c0092ab54cb42f
SHA181b12fff59e8f9eb311c694886d3348f717f77f6
SHA2567d03909cb22e2710981da233b51c606de465fdf427f6fb0cc1846ee931c26d29
SHA5123f3c255e44b046acd904c930c35bbf0d48f449cc4931ad4534f327bc93c8e8c319620841e21459d6baaef05225b3f9f7b3720ac6e026b147835ad0c7ff334dc3
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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