Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2024 16:34

General

  • Target

    df7222411a3a5c18e0d8fb28befb5ed7.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 10 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 behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 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\df7222411a3a5c18e0d8fb28befb5ed7.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:2824
    • 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:2152
      • 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:2884
      • 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:2888
        • 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:2120
          • 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:2000
          • 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:1832
          • 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:2032
      • 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
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3068
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /Create /TN "mrec" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA65D.tmp" /F
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:2416
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1056

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpA65D.tmp

      Filesize

      1KB

      MD5

      435b83fb22c37b7961ff5d34702c2249

      SHA1

      95add8f33f4385f027bd958b81d6a2b886ac507c

      SHA256

      0c3591b634db538192cae67361a4c4613b2edb8d503756450ac90eae248a25b4

      SHA512

      e023638479b3378bb445e4d6851bb7ad1f1b7196682a4d9732750a7a0ea2266696ddb337a99ea5ffa86836d53b36b9bc339b20adb1a376781ef0980948ef4b35

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

      Filesize

      166KB

      MD5

      3560e82e9a06fae6f73f9cdb99da41ee

      SHA1

      501bfeab5e8526a75c1e0872157d708d246e33c9

      SHA256

      1f8da113e46b2c9ee4288a95e6f44ae030dfcc6ac555535d93ea64a51a0d456f

      SHA512

      951df547908ca94b8133f57725d5574604633ee9e4db12a81ecb1f08fa6fab3c10ab3d5c3b2a58651c0f748094781c1b9f6f16c618c34e4481c983d48757b746

    • memory/2120-68-0x0000000000E30000-0x0000000000E60000-memory.dmp

      Filesize

      192KB

    • memory/2152-48-0x0000000000390000-0x0000000000396000-memory.dmp

      Filesize

      24KB

    • memory/2152-47-0x0000000000250000-0x0000000000282000-memory.dmp

      Filesize

      200KB

    • memory/2152-46-0x0000000000240000-0x0000000000246000-memory.dmp

      Filesize

      24KB

    • memory/2152-45-0x0000000000BB0000-0x0000000000BE0000-memory.dmp

      Filesize

      192KB

    • memory/2824-8-0x0000000000780000-0x0000000000880000-memory.dmp

      Filesize

      1024KB

    • memory/2824-4-0x0000000000780000-0x0000000000880000-memory.dmp

      Filesize

      1024KB

    • memory/2824-11-0x0000000000780000-0x0000000000880000-memory.dmp

      Filesize

      1024KB

    • memory/2824-12-0x0000000000780000-0x0000000000880000-memory.dmp

      Filesize

      1024KB

    • memory/2824-10-0x0000000000780000-0x0000000000880000-memory.dmp

      Filesize

      1024KB

    • memory/2824-6-0x0000000000780000-0x0000000000880000-memory.dmp

      Filesize

      1024KB

    • memory/2824-0-0x000000002F9E1000-0x000000002F9E2000-memory.dmp

      Filesize

      4KB

    • memory/2824-7-0x0000000000780000-0x0000000000880000-memory.dmp

      Filesize

      1024KB

    • memory/2824-5-0x0000000000780000-0x0000000000880000-memory.dmp

      Filesize

      1024KB

    • memory/2824-9-0x0000000000780000-0x0000000000880000-memory.dmp

      Filesize

      1024KB

    • memory/2824-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2824-83-0x0000000000780000-0x0000000000880000-memory.dmp

      Filesize

      1024KB

    • memory/2824-82-0x0000000000780000-0x0000000000880000-memory.dmp

      Filesize

      1024KB

    • memory/2824-2-0x000000007317D000-0x0000000073188000-memory.dmp

      Filesize

      44KB

    • memory/2824-81-0x000000007317D000-0x0000000073188000-memory.dmp

      Filesize

      44KB

    • memory/2884-51-0x0000000000400000-0x0000000000412000-memory.dmp

      Filesize

      72KB

    • memory/2884-52-0x0000000000400000-0x0000000000412000-memory.dmp

      Filesize

      72KB

    • memory/2884-49-0x0000000000400000-0x0000000000412000-memory.dmp

      Filesize

      72KB