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
    07-12-2024 22:14

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 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\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:2096
    • 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:2804
      • 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:2904
      • 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:2644
        • 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:1952
          • C:\Users\Admin\AppData\Roaming\UpdateManager\SSUNJNDPI.exe
            C:\Users\Admin\AppData\Roaming\UpdateManager\SSUNJNDPI.exe
            5⤵
            • Executes dropped EXE
            PID:1908
          • 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:2548
          • C:\Users\Admin\AppData\Roaming\UpdateManager\SSUNJNDPI.exe
            C:\Users\Admin\AppData\Roaming\UpdateManager\SSUNJNDPI.exe
            5⤵
            • Executes dropped EXE
            PID:1980
      • 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:2724
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /Create /TN "mrec" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF7F6.tmp" /F
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:2084
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2924

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpF7F6.tmp

      Filesize

      1KB

      MD5

      435b83fb22c37b7961ff5d34702c2249

      SHA1

      95add8f33f4385f027bd958b81d6a2b886ac507c

      SHA256

      0c3591b634db538192cae67361a4c4613b2edb8d503756450ac90eae248a25b4

      SHA512

      e023638479b3378bb445e4d6851bb7ad1f1b7196682a4d9732750a7a0ea2266696ddb337a99ea5ffa86836d53b36b9bc339b20adb1a376781ef0980948ef4b35

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

      Filesize

      174KB

      MD5

      d0cbf54138d03f82115b5708be94c5c0

      SHA1

      aeaafe59c0342c0105d764ee69f6292206f661c6

      SHA256

      c243a7dcd332df7a231b33e346a1db91ad01c7f0a17f10ed8dec3efa34743949

      SHA512

      fedc40b326466772e5da972798faa3504837ee67cd26f73db2f6a7effae9d1dc511007279ddd3b78b885c8d691c897ffd2a29f82dd37c6a33623eee85ebb1108

    • memory/1952-66-0x0000000000280000-0x00000000002B0000-memory.dmp

      Filesize

      192KB

    • memory/2096-8-0x0000000000490000-0x0000000000590000-memory.dmp

      Filesize

      1024KB

    • memory/2096-12-0x0000000000490000-0x0000000000590000-memory.dmp

      Filesize

      1024KB

    • memory/2096-6-0x0000000000490000-0x0000000000590000-memory.dmp

      Filesize

      1024KB

    • memory/2096-0-0x000000002FDF1000-0x000000002FDF2000-memory.dmp

      Filesize

      4KB

    • memory/2096-7-0x0000000000490000-0x0000000000590000-memory.dmp

      Filesize

      1024KB

    • memory/2096-9-0x0000000000490000-0x0000000000590000-memory.dmp

      Filesize

      1024KB

    • memory/2096-10-0x0000000000490000-0x0000000000590000-memory.dmp

      Filesize

      1024KB

    • memory/2096-2-0x0000000070E2D000-0x0000000070E38000-memory.dmp

      Filesize

      44KB

    • memory/2096-11-0x0000000000490000-0x0000000000590000-memory.dmp

      Filesize

      1024KB

    • memory/2096-4-0x0000000000490000-0x0000000000590000-memory.dmp

      Filesize

      1024KB

    • memory/2096-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2096-5-0x0000000000490000-0x0000000000590000-memory.dmp

      Filesize

      1024KB

    • memory/2096-81-0x0000000000490000-0x0000000000590000-memory.dmp

      Filesize

      1024KB

    • memory/2096-76-0x0000000000490000-0x0000000000590000-memory.dmp

      Filesize

      1024KB

    • memory/2096-75-0x0000000070E2D000-0x0000000070E38000-memory.dmp

      Filesize

      44KB

    • memory/2804-44-0x00000000002B0000-0x00000000002B6000-memory.dmp

      Filesize

      24KB

    • memory/2804-46-0x0000000000310000-0x0000000000316000-memory.dmp

      Filesize

      24KB

    • memory/2804-45-0x0000000000460000-0x0000000000494000-memory.dmp

      Filesize

      208KB

    • memory/2804-43-0x00000000008F0000-0x0000000000920000-memory.dmp

      Filesize

      192KB

    • memory/2904-47-0x0000000000400000-0x0000000000412000-memory.dmp

      Filesize

      72KB

    • memory/2904-51-0x0000000000400000-0x0000000000412000-memory.dmp

      Filesize

      72KB

    • memory/2904-52-0x0000000000400000-0x0000000000412000-memory.dmp

      Filesize

      72KB