Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
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submitted
10/06/2024, 08:02
General
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Target
2024-06-10_eb22402606d92e9daccb854c667ca792_cryptolocker.exe
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Size
61KB
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MD5
eb22402606d92e9daccb854c667ca792
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SHA1
f0045931520ac39da941e44dfe84b8ad8eb8fc6d
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SHA256
87574cd848c9c6acb50d623edbaea80c3cf0767622a7b558c891e710bcdc18bb
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SHA512
9f8804ec27d56b4f36555784c2f7a273e777593cc4f3b13fac47d5be4ff0c15b06f3ecc223d62e398d1022acf3aba0183dc3017a4088978c0dc843f454de0dca
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SSDEEP
768:H6LsoEEeegiZPvEhHSG+gk5NQXtckstOOtEvwDpjhBaD3TUogs/VXpAP6pD:H6QFElP6n+gou9cvMOtEvwDpjCpVXd
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\2024-06-10_eb22402606d92e9daccb854c667ca792_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-10_eb22402606d92e9daccb854c667ca792_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
61KB
MD53a88354c29abc836b9eba69e279d2e81
SHA105f2c264c4704f02e98c515248488d5dfefb3ab2
SHA256e1f37ad8c095d9636fb09c4f20b89c6f6c45873d9bf5607395d04a193b4d98a0
SHA5122692fb4fc0f8b18fa6e5112d946634894e7d837f963f2d2c5b992ec45dfdc771103e302011492ad2875a81eb6e37f3fccd2333f3f056de8b679fbaf91bb14c0c
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Filesize
64KB
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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
24KB
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Filesize
64KB