General
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Target
libreoffice_out.exe
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Size
391KB
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Sample
230125-vnnp2saf21
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MD5
d69cc73dfdba7cecce5ec8ba5302991a
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SHA1
1a31b98b3a15aa30c9142b2bd6f1fc803219f490
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SHA256
c0b6a90bb020f1795ae0c9eacf27dd940a69ca694670c1eb6afdcb65edb9e59b
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SHA512
74ebd532c0e79f5b6a72af8dc13cade0909204d3e9af2d89bc89588a0cb45e3909eeaf053d0cb55910a0fbedebda4c8c6485aa81b87034f5e6c5defac37c65d1
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SSDEEP
12288:WbCG7F1wjOLak1PCgqaapo2RvxC1WyOPwQOhGwYyY9ZGyooo3RZNzBjlww43vmOC:mzww4fmOa6IglK
Static task
static1
Behavioral task
behavioral1
Sample
libreoffice_out.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
libreoffice_out.exe
Resource
win10v2004-20220812-en
Malware Config
Extracted
redline
redline
79.137.133.225:25999
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auth_value
38284dbf15da9b4a9eaee0ef0d2b343f
Extracted
aurora
79.137.133.225:8081
Targets
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Target
libreoffice_out.exe
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Size
391KB
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MD5
d69cc73dfdba7cecce5ec8ba5302991a
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SHA1
1a31b98b3a15aa30c9142b2bd6f1fc803219f490
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SHA256
c0b6a90bb020f1795ae0c9eacf27dd940a69ca694670c1eb6afdcb65edb9e59b
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SHA512
74ebd532c0e79f5b6a72af8dc13cade0909204d3e9af2d89bc89588a0cb45e3909eeaf053d0cb55910a0fbedebda4c8c6485aa81b87034f5e6c5defac37c65d1
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SSDEEP
12288:WbCG7F1wjOLak1PCgqaapo2RvxC1WyOPwQOhGwYyY9ZGyooo3RZNzBjlww43vmOC:mzww4fmOa6IglK
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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Executes dropped EXE
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Loads dropped DLL
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Accesses cryptocurrency files/wallets, possible credential harvesting
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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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Legitimate hosting services abused for malware hosting/C2
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext
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