Analysis

  • max time kernel
    41s
  • max time network
    42s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/07/2024, 01:39

General

  • Target
    xaaworks.exe
  • Size 45KB
  • Sample240712-b213rawblc
  • SHA256 aedeabc66b1a4c080060d2c454306d06763818fcdd965004031f4a59a382dee0
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Extracted

Family
  • xenorat

C2
  • 10.0.0.232

Mutex
  • Xeno_rat_nd8912d

Attributes
  • delay

    5000

  • install_path

    appdata

  • port

    4444

  • startup_name

    Xm

Signatures

  • XenorRat

    XenorRat is a remote access trojan written in C#.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\xaaworks.exe
    "C:\Users\Admin\AppData\Local\Temp\xaaworks.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4036
    • C:\Users\Admin\AppData\Roaming\XenoManager\xaaworks.exe
      "C:\Users\Admin\AppData\Roaming\XenoManager\xaaworks.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4080
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /Create /TN "Xm" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF3F5.tmp" /F
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:1932

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        xaaworks.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\xaaworks.exe.log
        • Size 226B
        • SHA256 7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d
        • MD5 SHA1 SHA512

        tmpF3F5.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmpF3F5.tmp
        • Size 1KB
        • SHA256 ac62fc438342c452642d0e0255daa92351ad0e946f682a54056843ccfffc9ca2
        • MD5 SHA1 SHA512

        xaaworks.exe

        • Path C:\Users\Admin\AppData\Roaming\XenoManager\xaaworks.exe
        • Size 45KB
        • SHA256 aedeabc66b1a4c080060d2c454306d06763818fcdd965004031f4a59a382dee0
        • MD5 SHA1 SHA512 SSDEEP

        memory/4036-0-0x000000007480E000-0x000000007480F000-memory.dmp

        memory/4036-1-0x0000000000FF0000-0x0000000001002000-memory.dmp

        memory/4080-15-0x0000000074800000-0x0000000074FB0000-memory.dmp

        memory/4080-18-0x0000000074800000-0x0000000074FB0000-memory.dmp