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Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
09/04/2024, 04:35
General
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Target
2024-04-09_f128db1ad367c7b53121790f817751f2_cryptolocker.exe
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Size
105KB
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MD5
f128db1ad367c7b53121790f817751f2
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SHA1
72303c3005b850f70d3af45921d4d10c9cb083ee
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SHA256
4ef136de3e163df7c74fd15ae813bdd4921ad37a2a828736a181143445ca0f0a
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SHA512
7ec69dd24ad13c998891cdc74a14bb43fc1ffe5afb61c25a22569c069a97e4f13977e02859d0cd7861fba051c264271f568a0ba1cd569324ae81bd6e6d290b9d
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalRn5iF1j6GksurJ:1nK6a+qdOOtEvwDpjI
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\2024-04-09_f128db1ad367c7b53121790f817751f2_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-09_f128db1ad367c7b53121790f817751f2_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
105KB
MD5d237ed102756f6c3bd98a9b6bbdbc952
SHA19055b2765be582401767c025a93891d673349a5c
SHA2561baf9e2f764cb43c360f2c0b46f84ec19fe175c449bf33ea9db95f49dccbde92
SHA512e9106d1553c2efb3f8364ae47a99429849537b4b84cb0dd28cfd113a964aa6b651f86918422c30d599065408a1d179b079b39fb3b86c03096184fd1af2cf332e
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB