Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-03-2024 07:11

General

  • Target

    New Order 3118.rtf

  • Size

    1.7MB

  • MD5

    7a24b565d557e96657a019e0c1b93865

  • SHA1

    b760ac2545af0df54ca335d18fa2df4280646881

  • SHA256

    d9c01464eccdd1f866bca7505ea879e1f8f54a151aa3c4cab946bbc99e1e46bb

  • SHA512

    051bc3b130367e113dd7c07579d4c9a9d5ea71f71ba4dd412e25e69fa54dc03f324150dcb88eeda4405562b5232b8bc9fa25826ee7cb2aa477e2591a2f17fdf5

  • SSDEEP

    24576:oiu8COb31WA6cg4Y2YkSAWeyPIplPzEwWuPRaWnAtTZDTaMB0W1Ln7QiMZLKmVwH:Q

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.gosportz.in
  • Port:
    587
  • Username:
    sales@gosportz.in
  • Password:
    Ss@gosportz
  • Email To:
    info.superseal@yandex.com

Signatures

  • AgentTesla

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

  • Blocklisted process makes network request 4 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Launches Equation Editor 1 TTPs 1 IoCs

    Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.

  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\New Order 3118.rtf"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1736
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1528
    • C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
      "C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
      1⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      • Launches Equation Editor
      • Suspicious use of WriteProcessMemory
      PID:2536
      • C:\Users\Admin\AppData\Roaming\word.exe
        C:\Users\Admin\AppData\Roaming\word.exe
        2⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:2428
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
          3⤵
            PID:292

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Execution

      Exploitation for Client Execution

      1
      T1203

      Defense Evasion

      Modify Registry

      1
      T1112

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm
        Filesize

        20KB

        MD5

        9f19e0a509d22e0824da764396cdd560

        SHA1

        7f7aae1cdaa939c1e84e14d0852df4d26146badf

        SHA256

        701293fc4f595de4a1fd3f70ef564701bb0e4d7c4e4aa97b7eb00599012a396b

        SHA512

        73bb9b8782eadaed5f016bfc60b5920b5b531c4fb1cc2d1cd484cf7be849ac866e8b858b73038d52ed25e90be5a8a71000ddf36685f4ccbaddc59280e87e8e64

      • \Users\Admin\AppData\Roaming\word.exe
        Filesize

        644KB

        MD5

        b34ae8df913549f1c9f75e813f4febbe

        SHA1

        ad9e6dbbbcce62b76a2e4d8997f41f00d0516b03

        SHA256

        cb65e696842c0650692cde3eaf4b37d1fb5a90b21c89fc2b14d191f06b97d7a3

        SHA512

        45f82b92990ded91fd09c822d6f103048e4dcb4467bd3c5f53d50546e4e6c35769d8e3855e921cbeead1e37899864ff39cf5fc70bf904190125372041c647446

      • memory/292-44-0x0000000000400000-0x0000000000440000-memory.dmp
        Filesize

        256KB

      • memory/292-39-0x0000000000400000-0x0000000000440000-memory.dmp
        Filesize

        256KB

      • memory/292-41-0x0000000000400000-0x0000000000440000-memory.dmp
        Filesize

        256KB

      • memory/292-40-0x0000000000400000-0x0000000000440000-memory.dmp
        Filesize

        256KB

      • memory/1736-0-0x000000002F431000-0x000000002F432000-memory.dmp
        Filesize

        4KB

      • memory/1736-43-0x0000000071A4D000-0x0000000071A58000-memory.dmp
        Filesize

        44KB

      • memory/1736-2-0x0000000071A4D000-0x0000000071A58000-memory.dmp
        Filesize

        44KB

      • memory/1736-1-0x000000005FFF0000-0x0000000060000000-memory.dmp
        Filesize

        64KB

      • memory/1736-65-0x000000005FFF0000-0x0000000060000000-memory.dmp
        Filesize

        64KB

      • memory/1736-66-0x0000000071A4D000-0x0000000071A58000-memory.dmp
        Filesize

        44KB

      • memory/2428-37-0x000000001A7F0000-0x000000001A886000-memory.dmp
        Filesize

        600KB

      • memory/2428-31-0x000000001B230000-0x000000001B2B0000-memory.dmp
        Filesize

        512KB

      • memory/2428-30-0x000007FEF62D0000-0x000007FEF6CBC000-memory.dmp
        Filesize

        9.9MB

      • memory/2428-29-0x00000000009E0000-0x00000000009F2000-memory.dmp
        Filesize

        72KB

      • memory/2428-46-0x000007FEF62D0000-0x000007FEF6CBC000-memory.dmp
        Filesize

        9.9MB

      • memory/2428-47-0x000000001B230000-0x000000001B2B0000-memory.dmp
        Filesize

        512KB