Analysis

  • max time kernel
    142s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 18:44

General

  • Target

    SecuriteInfo.com.Trojan.PackedNET.1685.14272.26861.exe

  • Size

    600KB

  • MD5

    e6a9b49b2b2cdc886b17dd34710e0fa5

  • SHA1

    62e08a646d6d759bcd0d8de2beee33734a01b2f4

  • SHA256

    4007a191bcf0d851a08b5d62c81bf2a011464c94b28bfcd477f839a5684563d8

  • SHA512

    febf0cd250786327ffaef94aaa1e6adf580af66bb3af497d6d272dd5a0d3bb749e8e49084332f5e829aac389fea15f6fbc1e95820447651e02c7c361cc76c692

  • SSDEEP

    12288:IGrOx3G6pUoD7IMwM8GzwTlEl+S6g+tSABfUnkHXW0FHooQBaC6EJq2okLGe9gLf:IGre6g+tSuUYXW0FIvBgseL13yl

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.hostinger.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    lOg123@@

Signatures

  • AgentTesla

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.1685.14272.26861.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.1685.14272.26861.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4864
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QdendDWIa" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3410.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2572
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
        PID:3404
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "{path}"
        2⤵
          PID:4680
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "{path}"
          2⤵
          • Accesses Microsoft Outlook profiles
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • outlook_office_path
          • outlook_win_path
          PID:4496

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\tmp3410.tmp

        Filesize

        1KB

        MD5

        d33ec55540340b68de43af64dd387b86

        SHA1

        ba9ee2cbf6356e1b27325223465b9a9955601bc1

        SHA256

        3b17533815c8f4685204c52d26693d60cea82b81034b47b95533f5ac54905173

        SHA512

        924b1c3c1d6e8aefea59639b649996964c8525567be83ef20113d1d5ea6aa9461f1d129a3f0b4ee69f4c99196f7a6ebee362682ff4c897117e5fc9ddb9ddc9e9

      • memory/2572-137-0x0000000000000000-mapping.dmp

      • memory/3404-139-0x0000000000000000-mapping.dmp

      • memory/4496-141-0x0000000000000000-mapping.dmp

      • memory/4496-142-0x0000000000400000-0x000000000043C000-memory.dmp

        Filesize

        240KB

      • memory/4496-143-0x0000000006490000-0x00000000064F6000-memory.dmp

        Filesize

        408KB

      • memory/4496-144-0x0000000006D30000-0x0000000006D80000-memory.dmp

        Filesize

        320KB

      • memory/4680-140-0x0000000000000000-mapping.dmp

      • memory/4864-136-0x0000000004FC0000-0x0000000004FCA000-memory.dmp

        Filesize

        40KB

      • memory/4864-135-0x0000000004FF0000-0x000000000508C000-memory.dmp

        Filesize

        624KB

      • memory/4864-134-0x0000000004EB0000-0x0000000004F42000-memory.dmp

        Filesize

        584KB

      • memory/4864-133-0x0000000005460000-0x0000000005A04000-memory.dmp

        Filesize

        5.6MB

      • memory/4864-132-0x0000000000470000-0x000000000050C000-memory.dmp

        Filesize

        624KB