Analysis

  • max time kernel
    59s
  • max time network
    56s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2024 21:12

General

  • Target

    e629bbd6a5b5c253f38cea38d156d81e0f0e391b7e7618ff275e31fa0d3a34c6.doc

  • Size

    35KB

  • MD5

    df7222411a3a5c18e0d8fb28befb5ed7

  • SHA1

    3680092dcd1918b0f0d11c9d2500db6c161956cb

  • SHA256

    e629bbd6a5b5c253f38cea38d156d81e0f0e391b7e7618ff275e31fa0d3a34c6

  • SHA512

    794d3f34297d17cc9d078a70489705b45f4b885619879ef2cba4d04498ba198680013a742b9d691b88307f24eb61a065fce4827cf138f2ef7504724cd4dc4cc7

  • SSDEEP

    384:wopiSY5UPeL/kyht18/HsowbyD5yQjc60jlj9yD5yQjsyp/d7ryYx:F7C7+BfM4Br

Malware Config

Extracted

Family

xenorat

C2

dns.stipamana.com

Mutex

Xeno_rat_nd8912d

Attributes
  • delay

    12000

  • install_path

    appdata

  • port

    4567

  • startup_name

    mrec

Signatures

  • Detect XenoRat Payload 3 IoCs
  • XenorRat

    XenorRat is a remote access trojan written in C#.

  • Xenorat family
  • Downloads MZ/PE file
  • Executes dropped EXE 8 IoCs
  • Loads dropped DLL 5 IoCs
  • Suspicious use of SetThreadContext 6 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Office loads VBA resources, possible macro or embedded object present
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 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\e629bbd6a5b5c253f38cea38d156d81e0f0e391b7e7618ff275e31fa0d3a34c6.doc"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:276
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\SSUNJNDPI.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\SSUNJNDPI.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2724
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\SSUNJNDPI.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\SSUNJNDPI.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3036
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /Create /TN "mrec" /XML "C:\Users\Admin\AppData\Local\Temp\tmp26B3.tmp" /F
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:1328
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\SSUNJNDPI.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\SSUNJNDPI.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2240
        • C:\Users\Admin\AppData\Roaming\UpdateManager\SSUNJNDPI.exe
          "C:\Users\Admin\AppData\Roaming\UpdateManager\SSUNJNDPI.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2296
          • C:\Users\Admin\AppData\Roaming\UpdateManager\SSUNJNDPI.exe
            C:\Users\Admin\AppData\Roaming\UpdateManager\SSUNJNDPI.exe
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:560
          • C:\Users\Admin\AppData\Roaming\UpdateManager\SSUNJNDPI.exe
            C:\Users\Admin\AppData\Roaming\UpdateManager\SSUNJNDPI.exe
            5⤵
            • Executes dropped EXE
            PID:1920
          • C:\Users\Admin\AppData\Roaming\UpdateManager\SSUNJNDPI.exe
            C:\Users\Admin\AppData\Roaming\UpdateManager\SSUNJNDPI.exe
            5⤵
            • Executes dropped EXE
            PID:2744
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\SSUNJNDPI.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\SSUNJNDPI.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1572
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:3012

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp26B3.tmp

      Filesize

      1KB

      MD5

      435b83fb22c37b7961ff5d34702c2249

      SHA1

      95add8f33f4385f027bd958b81d6a2b886ac507c

      SHA256

      0c3591b634db538192cae67361a4c4613b2edb8d503756450ac90eae248a25b4

      SHA512

      e023638479b3378bb445e4d6851bb7ad1f1b7196682a4d9732750a7a0ea2266696ddb337a99ea5ffa86836d53b36b9bc339b20adb1a376781ef0980948ef4b35

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\SSUNJNDPI.exe

      Filesize

      166KB

      MD5

      ec4da29176791ee291b13fb0f8583aa6

      SHA1

      607e0c86284661c3594f2502eaf36d1b216f28ac

      SHA256

      68704e83ea2cfbb078a5fa0ffe4092eb257aa63688c1f05e9ea997f4486a6203

      SHA512

      4127c35a6746ccf610fb4d49c893ff1edc71af266098f04d8e4b540b215f6202bc9f7748e868f6e88a586b9f0dd55649b41e642ca114a7a89b594ba445b7a47b

    • memory/276-12-0x00000000004F0000-0x00000000005F0000-memory.dmp

      Filesize

      1024KB

    • memory/276-2-0x0000000070FFD000-0x0000000071008000-memory.dmp

      Filesize

      44KB

    • memory/276-8-0x00000000004F0000-0x00000000005F0000-memory.dmp

      Filesize

      1024KB

    • memory/276-5-0x00000000004F0000-0x00000000005F0000-memory.dmp

      Filesize

      1024KB

    • memory/276-6-0x00000000004F0000-0x00000000005F0000-memory.dmp

      Filesize

      1024KB

    • memory/276-10-0x00000000004F0000-0x00000000005F0000-memory.dmp

      Filesize

      1024KB

    • memory/276-77-0x0000000070FFD000-0x0000000071008000-memory.dmp

      Filesize

      44KB

    • memory/276-11-0x00000000004F0000-0x00000000005F0000-memory.dmp

      Filesize

      1024KB

    • memory/276-9-0x00000000004F0000-0x00000000005F0000-memory.dmp

      Filesize

      1024KB

    • memory/276-4-0x00000000004F0000-0x00000000005F0000-memory.dmp

      Filesize

      1024KB

    • memory/276-0-0x000000002FDE1000-0x000000002FDE2000-memory.dmp

      Filesize

      4KB

    • memory/276-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/276-83-0x00000000004F0000-0x00000000005F0000-memory.dmp

      Filesize

      1024KB

    • memory/276-82-0x00000000004F0000-0x00000000005F0000-memory.dmp

      Filesize

      1024KB

    • memory/2240-57-0x0000000000400000-0x0000000000412000-memory.dmp

      Filesize

      72KB

    • memory/2296-67-0x0000000000CE0000-0x0000000000D10000-memory.dmp

      Filesize

      192KB

    • memory/2296-68-0x0000000000500000-0x0000000000532000-memory.dmp

      Filesize

      200KB

    • memory/2724-43-0x00000000000F0000-0x0000000000120000-memory.dmp

      Filesize

      192KB

    • memory/2724-46-0x0000000000360000-0x0000000000366000-memory.dmp

      Filesize

      24KB

    • memory/2724-45-0x0000000000400000-0x0000000000432000-memory.dmp

      Filesize

      200KB

    • memory/2724-44-0x0000000000340000-0x0000000000346000-memory.dmp

      Filesize

      24KB

    • memory/3036-51-0x0000000000400000-0x0000000000412000-memory.dmp

      Filesize

      72KB

    • memory/3036-47-0x0000000000400000-0x0000000000412000-memory.dmp

      Filesize

      72KB