General
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Target
downloader.exe
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Size
1.0MB
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Sample
230521-kfbemsha48
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MD5
6305b20220755b9a530eab704f67be58
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SHA1
28f668327924ffd32f9b418df98003a5d676f84a
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SHA256
3b4540241597b22b4ef6b40669f7ab70dcf1cc3cd7150ca9d10208a763064852
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SHA512
833403a6ed0640f71ed9fdc6712f77d25b99ca8d4d8e3f0e6b9ae932f961d4dc5a6396e75909e1aeb6802c6b70f2c942b5bc394078813606bc10b75f31afaaae
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SSDEEP
24576:5yMgyQKhKPfVClqKAHwWLTMczn1P6wafsfVsZiUTDf0sS5Az:sMPhKPfVClqKAHwWLQsncw5fVslTDzSu
Static task
static1
Behavioral task
behavioral1
Sample
downloader.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
downloader.exe
Resource
win10v2004-20230220-en
Malware Config
Extracted
redline
diza
185.161.248.37:4138
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auth_value
0d09b419c8bc967f91c68be4a17e92ee
Targets
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Target
downloader.exe
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Size
1.0MB
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MD5
6305b20220755b9a530eab704f67be58
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SHA1
28f668327924ffd32f9b418df98003a5d676f84a
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SHA256
3b4540241597b22b4ef6b40669f7ab70dcf1cc3cd7150ca9d10208a763064852
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SHA512
833403a6ed0640f71ed9fdc6712f77d25b99ca8d4d8e3f0e6b9ae932f961d4dc5a6396e75909e1aeb6802c6b70f2c942b5bc394078813606bc10b75f31afaaae
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SSDEEP
24576:5yMgyQKhKPfVClqKAHwWLTMczn1P6wafsfVsZiUTDf0sS5Az:sMPhKPfVClqKAHwWLQsncw5fVslTDzSu
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of SetThreadContext
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