Analysis
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max time kernel
161s -
max time network
170s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
18/04/2024, 08:00
General
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Target
2024-04-18_c2a338a15e4ffee7563b5a85ed19bf1f_cryptolocker.exe
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Size
52KB
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MD5
c2a338a15e4ffee7563b5a85ed19bf1f
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SHA1
058cd05e413fcc48cb4608ac10313437bdefde54
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SHA256
aaca91146b3d02bccf52e5fafc19d4e05904937f02c72a3ada0bf9aee8746bb6
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SHA512
0ab7db99942319bcf9efee799ba7695e53ed3af42149895cc939212b46de330ccea5e940af6ac933fa1a712005c640528f6540adb838634260483a08dc3d0cc6
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTOF:z6QFElP6n+gKmddpMOtEvwDpj31iF
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\2024-04-18_c2a338a15e4ffee7563b5a85ed19bf1f_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-18_c2a338a15e4ffee7563b5a85ed19bf1f_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
52KB
MD5c3c51f8e773a0276b3707ea32db94ebd
SHA1e7ff9520614aa4856760ff09e8f706ad537d581e
SHA25640c4f9f229bc2cf109aa440a061718eed04d847bf319e8e5a6031341e639fcaa
SHA512b5e6b1d5642c09950500e35afea17c2fcabe08943d876e89bfd9b5db24f1d4d873909116af8148da3a26f0933bdf4448eb03d59e8fccf11e198f08b9b7b1e7d8
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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