Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
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submitted
22-05-2024 05:42
General
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Target
2024-05-22_3752e3ffcf260e724baadf7c3bdf3fc3_cryptolocker.exe
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Size
60KB
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MD5
3752e3ffcf260e724baadf7c3bdf3fc3
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SHA1
a4b5386071a76ea114a74251cba8f2e3afe0dd0f
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SHA256
d35c00610814279e3e5739d8efc4c6df194b54548eac40b52f65bc766241d0bd
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SHA512
96b1ba6ec52d8953962a9047744b9175f496dcc8f566536e80ab72b25aa3c93cd35ed3f4a7637dc743b7f77cec9df7501515e7a2ac57f7e8f90f5605086a9b69
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SSDEEP
768:H6LsoEEeegiZPvEhHSG+gk5NQXtckstOOtEvwDpjhBaD3TUogs/VXpAP6pd:H6QFElP6n+gou9cvMOtEvwDpjCpVXT
Malware Config
Signatures
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Detection of CryptoLocker Variants 6 IoCs
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Detection of Cryptolocker Samples 6 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\2024-05-22_3752e3ffcf260e724baadf7c3bdf3fc3_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-22_3752e3ffcf260e724baadf7c3bdf3fc3_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
60KB
MD5d02d1de951a4758af2d846344296a7d4
SHA100abd0ae6b9bf33403aec5e8765c3d3e8c44a034
SHA2568882decaf4fddf881c5d38710c1979b95db5aa3900d22c44cea2bb9417e647ae
SHA512a294de275ec6037356cc409c3d41cafb4241ba84dda867638df5c34a9d54ab55c2c6c2ffaa2559cbd57ba647370bb998ac16a0b5ef6fa8880bc91a7e0db70b2f
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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
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB