Analysis

  • max time kernel
    136s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    14/04/2022, 13:35

General

  • Target
    11d5f5de14daaa0b591fa1883aabdb5d214f1da19466095bf5dc2723544cb3c9.exe
  • Size 1.1MB
  • Sample220414-qv2g9sebd3
  • SHA256 11d5f5de14daaa0b591fa1883aabdb5d214f1da19466095bf5dc2723544cb3c9
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • MassLogger

    Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

  • MassLogger Main Payload 1 IoCs
  • Meta Stealer Stealer

    Meta Stealer steals passwords stored in browsers, written in C++.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 42 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\11d5f5de14daaa0b591fa1883aabdb5d214f1da19466095bf5dc2723544cb3c9.exe
    "C:\Users\Admin\AppData\Local\Temp\11d5f5de14daaa0b591fa1883aabdb5d214f1da19466095bf5dc2723544cb3c9.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3268
    • C:\Users\Admin\AppData\Local\Temp\11d5f5de14daaa0b591fa1883aabdb5d214f1da19466095bf5dc2723544cb3c9.exe
      "{path}"
      2⤵
      • Checks computer location settings
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:4044
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\11d5f5de14daaa0b591fa1883aabdb5d214f1da19466095bf5dc2723544cb3c9.exe'
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2136

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        11d5f5de14daaa0b591fa1883aabdb5d214f1da19466095bf5dc2723544cb3c9.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\11d5f5de14daaa0b591fa1883aabdb5d214f1da19466095bf5dc2723544cb3c9.exe.log
        • Size 1KB
        • SHA256 283586e83b25099a5698cb9caf9c594a37060d11e0f55c81bb9c6d4f728448ea
        • MD5 SHA1 SHA512

        memory/2136-151-0x0000000004875000-0x0000000004877000-memory.dmp

        memory/2136-150-0x00000000060A0000-0x00000000060BE000-memory.dmp

        memory/2136-158-0x0000000007110000-0x0000000007118000-memory.dmp

        memory/2136-157-0x0000000007130000-0x000000000714A000-memory.dmp

        memory/2136-156-0x0000000007020000-0x000000000702E000-memory.dmp

        memory/2136-155-0x0000000007070000-0x0000000007106000-memory.dmp

        memory/2136-145-0x0000000004BA0000-0x0000000004BC2000-memory.dmp

        memory/2136-153-0x0000000006DF0000-0x0000000006E0A000-memory.dmp

        memory/2136-152-0x0000000007430000-0x0000000007AAA000-memory.dmp

        memory/2136-143-0x0000000004EB0000-0x00000000054D8000-memory.dmp

        memory/2136-142-0x0000000000C90000-0x0000000000CC6000-memory.dmp

        memory/2136-149-0x0000000070860000-0x00000000708AC000-memory.dmp

        memory/2136-154-0x0000000006E60000-0x0000000006E6A000-memory.dmp

        memory/2136-148-0x0000000006CA0000-0x0000000006CD2000-memory.dmp

        memory/2136-146-0x0000000004C40000-0x0000000004CA6000-memory.dmp

        memory/2136-147-0x00000000059E0000-0x00000000059FE000-memory.dmp

        memory/3268-135-0x000000000A090000-0x000000000A12C000-memory.dmp

        memory/3268-132-0x00000000057D0000-0x0000000005862000-memory.dmp

        memory/3268-130-0x0000000000CB0000-0x0000000000DDA000-memory.dmp

        memory/3268-131-0x0000000005CE0000-0x0000000006284000-memory.dmp

        memory/3268-134-0x0000000009490000-0x00000000099BC000-memory.dmp

        memory/3268-133-0x0000000005790000-0x000000000579A000-memory.dmp

        memory/4044-141-0x0000000006970000-0x00000000069C0000-memory.dmp

        memory/4044-139-0x00000000063A0000-0x0000000006406000-memory.dmp

        memory/4044-137-0x0000000000400000-0x0000000000486000-memory.dmp

        memory/4044-144-0x00000000050A3000-0x00000000050A5000-memory.dmp