Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
09/06/2024, 03:06
General
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Target
2024-06-09_c199cf3d39cfea296f3484b002a6594d_cryptolocker.exe
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Size
91KB
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MD5
c199cf3d39cfea296f3484b002a6594d
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SHA1
46ffa96b4e789fb74b3eea9b7dbc504616556dd0
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SHA256
bdb27d2ad95cfb34f4e1f749b661b9423282e458b659281773c68990932dab9d
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SHA512
b5539ee9bf943fc980cfff5aa16a35501a03b38083fbfdfea214bfefcac7566a4cb6e0255a561652ccdfd957fa85a6fbe5cbd860ff3cbabcc7542256ebc5c566
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SSDEEP
1536:f6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAx:f6a+1SEOtEvwDpjYYvQd2Px
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\2024-06-09_c199cf3d39cfea296f3484b002a6594d_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-09_c199cf3d39cfea296f3484b002a6594d_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
92KB
MD506a68340395ec22de91cd922f0e3bdd9
SHA117c7b244bb47d3fb39ae01408060b3e91be1f1a9
SHA256029bb431b5383543dea3d733598aab0ab3be2235ba9c6e1d7063abae059e4fed
SHA512ba489276d33ae5fce7492eb127e878f9ad19264a32ed36c9a1347be099770f9a535e0c0851230de5c533ddd3b68dd95516f65d47978a103d488ebe8c8ad349cf
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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