Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
06/06/2024, 20:16
General
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Target
2024-06-06_fea2d636a5b8b45588f59753bebabb52_cryptolocker.exe
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Size
89KB
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MD5
fea2d636a5b8b45588f59753bebabb52
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SHA1
1d0b84da6b8639d01ddded15cd6340bb03eeae48
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SHA256
86ca159eb1c00ca337c249bc6b246bf3c91dbb93d7652a1e17ae9a2324be9c18
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SHA512
218dfba7013765d4411f78ae1a4f41a3c3b856cf9aeb6598ef8c9f2de5adef3735318c57fc7f35c15e4b662a3ae4e7c996733f33e28ec00215a2fb73dd0eee0f
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SSDEEP
768:qkmnjFom/kLyMro2GtOOtEvwDpjeY10Y/YMsvlMdwPK80GQuchoIgtIODw5:qkmnpomddpMOtEvwDpjJGYQbN/PKwMgQ
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
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Detection of Cryptolocker Samples 4 IoCs
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UPX dump on OEP (original entry point) 4 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 4 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\2024-06-06_fea2d636a5b8b45588f59753bebabb52_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-06_fea2d636a5b8b45588f59753bebabb52_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
90KB
MD5dea44ad96d2ee0cacb7b9bf0cd306c3c
SHA1fe0222a906ca67ce274acf8c97349f47c6fa9d2d
SHA256620b56c4681d4f0aab817663f71d9e53911e3d5f6fa2e821d295fa68d8ac1956
SHA512e8548ffd49cc710111e8db5a2335bda2067c6df8aa281ea39aea9b9f26806c4d1cfc5d5930937b7ce4bae460e76b6aa3e4e2729684b582078cc00f40f0901efa
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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
24KB
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Filesize
60KB