Analysis

  • max time kernel
    90s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/10/2022, 11:34

General

  • Target
    3b5c2c609ca0579dc6930d13e2038949.exe
  • Size 572KB
  • Sample221018-npfbqsffc2
  • SHA256 cf633ec437e48b72f1bbf05a6f21ace7b94686afa55a6c473ff72ef6d4dc1bc7
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    host12.registrar-servers.com

  • Port

    587

  • Password

    project20 22blessing

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3b5c2c609ca0579dc6930d13e2038949.exe
    "C:\Users\Admin\AppData\Local\Temp\3b5c2c609ca0579dc6930d13e2038949.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1528
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4048

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1528-132-0x00000000003C0000-0x0000000000456000-memory.dmp

        memory/1528-133-0x00000000077E0000-0x0000000007D84000-memory.dmp

        memory/1528-134-0x0000000007310000-0x00000000073A2000-memory.dmp

        memory/1528-135-0x00000000073B0000-0x000000000744C000-memory.dmp

        memory/1528-136-0x00000000072D0000-0x00000000072DA000-memory.dmp

        memory/4048-138-0x0000000000400000-0x000000000043C000-memory.dmp

        memory/4048-139-0x0000000005F20000-0x0000000005F86000-memory.dmp

        memory/4048-140-0x0000000006610000-0x0000000006660000-memory.dmp