Analysis

  • max time kernel
    105s
  • max time network
    106s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    27-03-2024 06:36

General

  • Target

    5b494f1ff90dc1d527b8c1b301bdccef380ee9b0bc771486975c1f0075ba9243.exe

  • Size

    686KB

  • MD5

    5d76a9e3a1948a1307330e52cfefd7bb

  • SHA1

    28b7ec354c2d4202278bab3c742eb06f36c56902

  • SHA256

    5b494f1ff90dc1d527b8c1b301bdccef380ee9b0bc771486975c1f0075ba9243

  • SHA512

    5d29d8b0153c21c9d33ea72b9abc50a66324e6291a7ae4ef96d7e284253f774f9f1a75794df859eb0f456c219076f7330b1d1bbdf2ac16c1d6125dcb2c81b376

  • SSDEEP

    12288:RphmU6GDRn/dWA9NhoaFREwZ2+TAjliqMRgYHaNgI9b46IdAK:nNn77hKwZFEkXhogI9blI

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 33 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5b494f1ff90dc1d527b8c1b301bdccef380ee9b0bc771486975c1f0075ba9243.exe
    "C:\Users\Admin\AppData\Local\Temp\5b494f1ff90dc1d527b8c1b301bdccef380ee9b0bc771486975c1f0075ba9243.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:956
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"
      2⤵
        PID:2456
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
        2⤵
          PID:4924
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:3596
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
          2⤵
            PID:4540

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/956-0-0x0000018D1F4B0000-0x0000018D1F4CC000-memory.dmp
          Filesize

          112KB

        • memory/956-1-0x00007FFEFC6A0000-0x00007FFEFD162000-memory.dmp
          Filesize

          10.8MB

        • memory/956-2-0x0000018D21390000-0x0000018D213A0000-memory.dmp
          Filesize

          64KB

        • memory/956-3-0x0000018D3BB00000-0x0000018D3BB76000-memory.dmp
          Filesize

          472KB

        • memory/956-4-0x0000018D212A0000-0x0000018D212BE000-memory.dmp
          Filesize

          120KB

        • memory/956-5-0x0000018D212F0000-0x0000018D21384000-memory.dmp
          Filesize

          592KB

        • memory/956-10-0x00007FFEFC6A0000-0x00007FFEFD162000-memory.dmp
          Filesize

          10.8MB

        • memory/3596-8-0x0000000005CC0000-0x0000000006266000-memory.dmp
          Filesize

          5.6MB

        • memory/3596-7-0x0000000074420000-0x0000000074BD1000-memory.dmp
          Filesize

          7.7MB

        • memory/3596-11-0x0000000005690000-0x00000000056F6000-memory.dmp
          Filesize

          408KB

        • memory/3596-6-0x0000000000400000-0x0000000000440000-memory.dmp
          Filesize

          256KB

        • memory/3596-9-0x0000000005680000-0x0000000005690000-memory.dmp
          Filesize

          64KB

        • memory/3596-12-0x0000000006BC0000-0x0000000006C10000-memory.dmp
          Filesize

          320KB

        • memory/3596-13-0x0000000006CB0000-0x0000000006D42000-memory.dmp
          Filesize

          584KB

        • memory/3596-14-0x0000000006E50000-0x0000000006E5A000-memory.dmp
          Filesize

          40KB

        • memory/3596-15-0x0000000074420000-0x0000000074BD1000-memory.dmp
          Filesize

          7.7MB

        • memory/3596-16-0x0000000005680000-0x0000000005690000-memory.dmp
          Filesize

          64KB