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
27-05-2024 18:02
General
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Target
2024-05-27_5120f104b3f69b5866a376e61bd37233_cryptolocker.exe
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Size
59KB
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MD5
5120f104b3f69b5866a376e61bd37233
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SHA1
7d3f2c442edd0a455c9d726c96f98821be1a6f68
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SHA256
f2d913398fe248a5acab694fe282b1e572aa82e038557ee8fff0aa3b433f56aa
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SHA512
3462d3cd0710080fe1348ec4758b53490cade34392c100e0862710be782a537708b6d7a0943f00d9bfd1075974483d861fcc96953939c561be66a7efc4afaabc
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SSDEEP
768:H6LsoEEeegiZPvEhHSG+gk5NQXtckstOOtEvwDpjhBaD3TUogs/VXpAPj9:H6QFElP6n+gou9cvMOtEvwDpjCpVXA
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\2024-05-27_5120f104b3f69b5866a376e61bd37233_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-27_5120f104b3f69b5866a376e61bd37233_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
59KB
MD5621fe82ca97824072378c29a9367b826
SHA1b33dbca3060274ce920b46941855fbb295cf139c
SHA256486056dcdf2cf910f4894bdd9025e43397a069cc02a36373219cfa3724ed031a
SHA51228b9929c3db724d86e4ae967cddf877797fb2c9e829b7b86dcfeb20e922430cbd41a098b34234bc751c6538bf228931f1d4e6c15b460a35bd9fed11c76443925
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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