Concrete signature match: Trojan - Appears legitimate but performs malicious actions for 32-bit Windows platform, family Kryptik
Trojan:Win32/Kryptik!rfn is a sophisticated Trojan identified by a concrete signature, posing as legitimate software. It likely engages in system compromise using techniques like process hooking, abusing legitimate Windows binaries (mshta.exe), and potentially exfiltrating data via database interactions.
Relevant strings associated with this threat: - NvidiaCatalysts.pdb (PEHSTR_EXT) - C:\Users\Sako\source\repos\NvidiaCatalysts\NvidiaCatalysts\obj\Debug (PEHSTR_EXT) - c:\temp\Assembly.exe (PEHSTR_EXT) - NJSDKLDHSD (PEHSTR_EXT) - gra1.FormGame.resources (PEHSTR_EXT) - IDbCommand (PEHSTR_EXT) - OleDbCommand (PEHSTR_EXT) - CompareString (PEHSTR_EXT) - ExecuteNonQuery (PEHSTR_EXT) - System.Security (PEHSTR_EXT) - \windows\system32\host.exe (PEHSTR_EXT) - /c del /q %s (PEHSTR_EXT) - InitComposer (PEHSTR_EXT) - AwakeComposer (PEHSTR_EXT) - InvokeComposer (PEHSTR_EXT) - System.Security.Cryptography.CAPI+CRYPT_ALGORITHM_IDENTIFIER2 (PEHSTR_EXT) - elf exe (PEHSTR_EXT) - livingfrom.dstars (PEHSTR_EXT) - Formwere3they.re.Q (PEHSTR_EXT) - SGivemovingDFor.overhathspirit (PEHSTR_EXT) - tidtcfvy.dll (PEHSTR_EXT) - get_ExecutablePath (PEHSTR_EXT) - requestedExecutionLevel (PEHSTR_EXT) - !#HSTR:StringCodeForMshta.A!pli (PEHSTR_EXT) - !#HSTR:StringCodeForHooking.C!pli (PEHSTR_EXT) - !#HSTR:StringCodeForHooking.D!pli (PEHSTR_EXT) - !#HSTR:StringCodeForHooking.L!pli (PEHSTR_EXT) - !#HSTR:StringCodeForHooking.O!pli (PEHSTR_EXT) - !#HSTR:StringCodeForRegsvr32.A!pli (PEHSTR_EXT) - !#HSTR:StringCodeForRundll32.A!pli (PEHSTR_EXT) - rundll32 (PEHSTR_EXT) - !#HSTR:StringCodeForBITSJobs.A!pli (PEHSTR_EXT) - !#HSTR:StringCodeForPowerShell.G!pli (PEHSTR_EXT) - !#HSTR:StringCodeForScheduledTask.A!pli (PEHSTR_EXT) - !#HSTR:StringCodeForDataEncoding.D!pli (PEHSTR_EXT) - !#HSTR:StringCodeForHooking.J!pli (PEHSTR_EXT) - !#HSTR:StringCodeForHooking.K!pli (PEHSTR_EXT) - !#HSTR:StringCodeForRemoteFileCopy.B!pli (PEHSTR_EXT) - !#HSTR:ExecutionGuardrails (PEHSTR_EXT) - !#HSTR:StringCodeForFileDeletion.A!pli (PEHSTR_EXT) - !#HSTR:StringCodeForHooking.M!pli (PEHSTR_EXT) - !#HSTR:StringCodeForNetshHelperDLL.A!pli (PEHSTR_EXT) - !#HSTR:StringCodeForRemoteServices.A!pli (PEHSTR_EXT)
e2b1a14ff6bd21b100d9ff3b769c14f0724f145561b30d1213a3e97773adf1deImmediately isolate the affected system from the network. Perform a full system scan with updated antivirus definitions and remove all detected threats. Subsequently, reset user credentials and investigate for persistence mechanisms; consider a full system reimage for complete eradication due to the nature of the threat.