Concrete signature match: Password Stealer - Steals credentials and sensitive information for .NET (Microsoft Intermediate Language) platform, family AdamantiumTheif
PWS:MSIL/AdamantiumTheif!pz is a concrete detection of a password stealer targeting web browsers such as Chrome, Opera, and Yandex. It utilizes legitimate Windows utilities like mshta, rundll32, and PowerShell for execution, persistence, and data exfiltration, indicating a direct threat to user credentials and sensitive information.
Relevant strings associated with this threat: - Adamantium-Thief/master/Stealer/Stealer (PEHSTR_EXT) - libsodium.dll (PEHSTR_EXT) - Opera Software\Opera Stable (PEHSTR_EXT) - Google\Chrome (PEHSTR_EXT) - Yandex\YandexBrowser (PEHSTR_EXT) - Comodo\Dragon (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)
2055f81d63d607180b084985a2b432db93df456c810ea911764517f6d4d91fe0Immediately isolate the infected system, perform a full system scan with updated antivirus software, and change all passwords for online accounts accessed from the compromised machine. Review scheduled tasks and startup items for persistence and monitor network activity for suspicious connections.