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
25-01-2024 17:36
General
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Target
2024-01-25_b9165fd666d2870d92217ccc6ed5be23_cryptolocker.exe
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Size
105KB
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MD5
b9165fd666d2870d92217ccc6ed5be23
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SHA1
890bd7d409fb62616989c9ae59d9223cd7b74fe8
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SHA256
48b8870e477a52ed5b39ebcd4bdce672d65c47be58f339d68d3bc18bc7743f13
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SHA512
8edac65639e3556c2c42c998d3434967af9f8e31441dd60dbba519795d438c6017c067d58cec1fe829952cf743427841f7f9c92025054929fd88e91851d3bf1f
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalRn5iF1j6Gksa:1nK6a+qdOOtEvwDpja
Malware Config
Signatures
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Kinsing
Kinsing is a loader written in Golang.
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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\2024-01-25_b9165fd666d2870d92217ccc6ed5be23_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-25_b9165fd666d2870d92217ccc6ed5be23_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
MD5ce1cb297faffc1eef6c0dde16cf960a6
SHA1f82b7cdce18eb258883dcb3fdab7b6afd6a9dfc1
SHA256519ee2a5e46314f05d0fe777b66760d7b3614e85f8a9ea790fc026b4343c1ef0
SHA5123f1df6229d553fe5407eabd03d2bcffc25a596107ad639af59b59c2aee3421d766d4815061845e9fc02abdad361878780b936470ef2eef2dbeabab179fae58d8
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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