Analysis

  • max time kernel
    122s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-03-2024 07:12

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 6 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
  • 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 20 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:1908
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1876
    • 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:2288
      • C:\Users\Admin\AppData\Roaming\word.exe
        C:\Users\Admin\AppData\Roaming\word.exe
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2764
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:2780
        • C:\Windows\system32\WerFault.exe
          C:\Windows\system32\WerFault.exe -u -p 2764 -s 720
          3⤵
          • Loads dropped DLL
          PID:1492

    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

      5ce06cce5db9e6ba4cd45bdd871ddda3

      SHA1

      6e96314875ae4634c2e230c2320821a7b5cc610b

      SHA256

      300f203e259fa0fbdd56526529b625f3aa263ddbb2b736f78eb49e366f3a794e

      SHA512

      99009771ba3a456d53c778b56fc345f7a52fe8aea42e07c7a347f971de1374e8a40e90cf016c35983e9c281e5fa21f51f8dc26dc2bad3892ebaec1fbf13df77c

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

      644KB

      MD5

      b34ae8df913549f1c9f75e813f4febbe

      SHA1

      ad9e6dbbbcce62b76a2e4d8997f41f00d0516b03

      SHA256

      cb65e696842c0650692cde3eaf4b37d1fb5a90b21c89fc2b14d191f06b97d7a3

      SHA512

      45f82b92990ded91fd09c822d6f103048e4dcb4467bd3c5f53d50546e4e6c35769d8e3855e921cbeead1e37899864ff39cf5fc70bf904190125372041c647446

    • memory/1908-58-0x0000000070D8D000-0x0000000070D98000-memory.dmp
      Filesize

      44KB

    • memory/1908-1-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1908-2-0x0000000070D8D000-0x0000000070D98000-memory.dmp
      Filesize

      44KB

    • memory/1908-79-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1908-0-0x000000002F4D1000-0x000000002F4D2000-memory.dmp
      Filesize

      4KB

    • memory/2764-31-0x000000001B190000-0x000000001B210000-memory.dmp
      Filesize

      512KB

    • memory/2764-37-0x000000001B630000-0x000000001B6C6000-memory.dmp
      Filesize

      600KB

    • memory/2764-29-0x0000000000F10000-0x0000000000F22000-memory.dmp
      Filesize

      72KB

    • memory/2764-30-0x000007FEF52C0000-0x000007FEF5CAC000-memory.dmp
      Filesize

      9.9MB

    • memory/2764-59-0x000007FEF52C0000-0x000007FEF5CAC000-memory.dmp
      Filesize

      9.9MB

    • memory/2780-54-0x000000006A6C0000-0x000000006ADAE000-memory.dmp
      Filesize

      6.9MB

    • memory/2780-45-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/2780-47-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/2780-49-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/2780-38-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/2780-56-0x0000000004BC0000-0x0000000004C00000-memory.dmp
      Filesize

      256KB

    • memory/2780-44-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
      Filesize

      4KB

    • memory/2780-40-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/2780-60-0x000000006A6C0000-0x000000006ADAE000-memory.dmp
      Filesize

      6.9MB

    • memory/2780-61-0x0000000004BC0000-0x0000000004C00000-memory.dmp
      Filesize

      256KB

    • memory/2780-42-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/2780-39-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB