Process Memory

Yara signatures matches on process memory

Match: Win32_PWS_Loki_Zero

• TQBhAHIAdABpAG4AIABQAHIAaQBrAHIAeQBsAA== (Martin Prikryl)

Match: Win_Trojan_agentTesla_Zero

• Q3JlYXRlVGhyZWFk (CreateThread)
• QnJhdmVTb2Z0d2FyZVxCcmF2ZS1Ccm93c2VyXFVzZXIgRGF0YQ== (BraveSoftware\Brave-Browser\User Data)
• R2V0RW52aXJvbm1lbnRWYXJpYWJsZQ== (GetEnvironmentVariable)
• RmlyZWZveFxwcm9maWxlcy5pbmk= (Firefox\profiles.ini)
• T3BlblByb2Nlc3M= (OpenProcess)
• VmlydHVhbEFsbG9jRXg= (VirtualAllocEx)

Match: Code_injection

• Q3JlYXRlVGhyZWFk (CreateThread)
• T3BlblByb2Nlc3M= (OpenProcess)
• TnRXcml0ZVZpcnR1YWxNZW1vcnk= (NtWriteVirtualMemory)
• VmlydHVhbEFsbG9jRXg= (VirtualAllocEx)

Match: ScreenShot

• Qml0Qmx0 (BitBlt)
• R2V0REM= (GetDC)
• VVNFUjMyLmRsbA== (USER32.dll)
• Z2RpMzIuZGxs (gdi32.dll)
• dXNlcjMyLmRsbA== (user32.dll)

Match: DebuggerCheck__GlobalFlags

• TnRHbG9iYWxGbGFncw== (NtGlobalFlags)

Match: DebuggerCheck__QueryInfo

• UXVlcnlJbmZvcm1hdGlvblByb2Nlc3M= (QueryInformationProcess)

Match: DebuggerCheck__RemoteAPI

• Q2hlY2tSZW1vdGVEZWJ1Z2dlclByZXNlbnQ= (CheckRemoteDebuggerPresent)

Match: DebuggerHiding__Thread

• U2V0SW5mb3JtYXRpb25UaHJlYWQ= (SetInformationThread)

Match: DebuggerHiding__Active

• RGVidWdBY3RpdmVQcm9jZXNz (DebugActiveProcess)

Match: ThreadControl__Context

• U2V0VGhyZWFkQ29udGV4dA== (SetThreadContext)

Match: SEH__vectored

• QWRkVmVjdG9yZWRFeGNlcHRpb25IYW5kbGVy (AddVectoredExceptionHandler)
• UmVtb3ZlVmVjdG9yZWRFeGNlcHRpb25IYW5kbGVy (RemoveVectoredExceptionHandler)

Match: anti_dbg

• Q2hlY2tSZW1vdGVEZWJ1Z2dlclByZXNlbnQ= (CheckRemoteDebuggerPresent)
• RGVidWdBY3RpdmVQcm9jZXNz (DebugActiveProcess)
• S0VSTkVMMzIuZGxs (KERNEL32.dll)
• SXNEZWJ1Z2dlclByZXNlbnQ= (IsDebuggerPresent)
• T3V0cHV0RGVidWdTdHJpbmc= (OutputDebugString)
• a2VybmVsMzIuZGxs (kernel32.dll)

Match: disable_dep

• TnRTZXRJbmZvcm1hdGlvblByb2Nlc3M= (NtSetInformationProcess)
• WndQcm90ZWN0VmlydHVhbE1lbW9yeQ== (ZwProtectVirtualMemory)

Match: infoStealer_browser_Zero

• QnJhdmVTb2Z0d2FyZVxCcmF2ZS1Ccm93c2VyXFVzZXIgRGF0YQ== (BraveSoftware\Brave-Browser\User Data)
• RmlyZWZveFxwcm9maWxlcy5pbmk= (Firefox\profiles.ini)

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