Brackash.DLL is a Trojan. A Trojan is a program that pretends to have a valid use, but in fact modifies the user's computer in malicious ways. Trojans do not replicate or spread to other computers.
File Related Changes
It drops the following file(s) on the system:
- "C:\WINDOWS\system32\zanewlinkapp.exe"
- "C:\WINDOWS\system32\newlinkapp.exe"
It modifies the following additional file(s) on the system:
- "C:\WINDOWS\system32\newlinkapp.dat"
Process Related Changes
It creates the following mutex(es):
- c:!documents and settings!admin!local settings!temporary internet files!content.ie5!"
- ZonesLockedCacheCounterMutex"
- c:!documents and settings!admin!local settings!history!history.ie5!"
- WininetConnectionMutex"
- CTF.TMD.MutexDefaultS-1-5-21-1078081533-842925246-854245398-1003"
- CTF.TimListCache.FMPDefaultS-1-5-21-1078081533-842925246-854245398-1003MUTEX.DefaultS-1-5-21-1078081533-842925246-854245398-1003"
- CTF.Compart.MutexDefaultS-1-5-21-1078081533-842925246-854245398-1003"
- ZoneAttributeCacheCounterMutex"
- ZonesCacheCounterMutex"
- ZonesCounterMutex"
- CTF.Layouts.MutexDefaultS-1-5-21-1078081533-842925246-854245398-1003"
- CTF.Asm.MutexDefaultS-1-5-21-1078081533-842925246-854245398-1003"
- newlinkapp.exe"
- MSCTF.Shared.MUTEX.IKH"
- CTF.LBES.MutexDefaultS-1-5-21-1078081533-842925246-854245398-1003"
- c:!documents and settings!admin!cookies!"
It creates the following process(es): - C:\WINDOWS\Temp\tmp_1023921881.exe [ C:\windows\temp\tmp_1023921881.exe 825a2497d8872d3881bb043a2ba88556.exe ]
- C:\WINDOWS\system32\newlinkapp.exe
- C:\WINDOWS\Temp\825a2497d8872d3881bb043a2ba88556.exe [ \c:\windows\temp\825a2497d8872d3881bb043a2ba88556.exe ]
Network Activity
We observed the following DNS query/queries:
It attempts to connect to the following remote servers:
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