Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
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submitted
14/02/2024, 19:06
General
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Target
2024-02-14_bd5b0d788e769e0cdf84d3b6e09e505a_cryptolocker.exe
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Size
85KB
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MD5
bd5b0d788e769e0cdf84d3b6e09e505a
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SHA1
ad9263853843603136b3d1b3fde3932dc9984a57
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SHA256
984b8800a5687053c1eb547938d037a5a3564a234451da4fa9f978e1dd355ddc
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SHA512
70ce9502efcb3f6adce346bdaf9d9cb8090fc98757eea8153b09f3dda67b275d8a536394148468b6d2ef84c60ff6aa21fd462d67c48e5165cfcbb47741e1af68
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SSDEEP
768:qkmnjFom/kLyMro2GtOOtEvwDpjeY10Y/YMsvlMdwPK80GQuchoIgtIgj9:qkmnpomddpMOtEvwDpjJGYQbN/PKwMgr
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\2024-02-14_bd5b0d788e769e0cdf84d3b6e09e505a_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-14_bd5b0d788e769e0cdf84d3b6e09e505a_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
85KB
MD5472a8399a3bc04b8de2da6373ed4be91
SHA10758d3574bc933eee0c58742d7bce10d4666a9b6
SHA256637354cc7a98cc9abbde64bccdffe59f0c3624c9dbaa4edc0827de246527473a
SHA512610690a29f9b77274e4ee170ae07b0842624e000edcc2b9ce0938d461410eb445eee26a76309fd6537fd147a671f4e655e59b4db33b34e2046229fe7a2199a09
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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