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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
02/06/2024, 01:25
General
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Target
2024-06-02_58c2ba431ac6f361b62846622daa430f_cryptolocker.exe
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Size
89KB
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MD5
58c2ba431ac6f361b62846622daa430f
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SHA1
09d4a13a7d146b80d85dc7e50b12be355ef0928b
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SHA256
40577317108cfb25de0d83f926fc64b36778e3a9255eb757372850d80a602247
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SHA512
c781162b18d4692bf978389e4cd987345840abe190fdb6a00f94046b66f4a27997ce36c1148ee128ede6175307d3e140e42016c6be1a7371b425f3a1eddb3137
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwMgi9:AnBdOOtEvwDpj6zq
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\2024-06-02_58c2ba431ac6f361b62846622daa430f_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-02_58c2ba431ac6f361b62846622daa430f_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
89KB
MD5509a54ff6f2ee52c22a081a24681daf6
SHA1fa3fee7c861e05752513d87f42d260f2cabfb06b
SHA2568aae62c29cc7eb79ee3a4a1119ee3725111a9de4aba558785a405935cc775238
SHA512adb323934cab9da0696d77e812bb82a2b294984c1edd2b10c3495ff3cd2511cfa1153d0ccf341696dd1003632811bebfbad1c7a899a06299f5c760ce2af5797c
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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
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB