Analysis

  • user interaction
    yes
  • max time kernel
    56s
  • max time network
    63s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20260130-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20260130-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
  • submitted
    09/05/2026, 00:07

Errors

Reason
Machine shutdown

General

  • Target
    1442.exe
  • Size 28KB
  • Sample260509-aefmvsfy2t
  • SHA256 c7ca8ab7360335abfd24c031a3e6eca9f2241e650ffad3caae0e361a5769714c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • 3.0

C2
  • lmfao1337.ddns.net:1337

Mutex
  • UiR5OIZFhVEO2o6k

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

aes.plain

Signatures

  • Family: Xworm

    Xworm is a remote access trojan written in C#.

  • Detect Xworm Payload 2 IoCs
  • Disables Task Manager via registry modification
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Drops startup file 2 IoCs
  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Modifies WinLogon 2 TTPs 1 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 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 6 IoCs

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

  • Kills process with taskkill 2 IoCs
  • Modifies registry class 2 IoCs
  • 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: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\1442.exe
    "C:\Users\Admin\AppData\Local\Temp\1442.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4240
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\1442.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3076
      • C:\Windows\system32\mode.com
        mode con: cols=100 lines=30
        3⤵
          PID:3968
      • C:\Users\Admin\AppData\Local\Temp\System32.exe
        "C:\Users\Admin\AppData\Local\Temp\System32.exe"
        2⤵
        • Checks computer location settings
        • Drops startup file
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3772
        • C:\Windows\System32\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "System32" /tr "C:\Users\Admin\AppData\Roaming\System32.exe"
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:1592
        • C:\Users\Admin\AppData\Local\Temp\ciaxlj.exe
          "C:\Users\Admin\AppData\Local\Temp\ciaxlj.exe"
          3⤵
          • Executes dropped EXE
          • Enumerates connected drives
          • Modifies WinLogon
          • Sets desktop wallpaper using registry
          • System Location Discovery: System Language Discovery
          • Modifies registry class
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:5116
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\windl.bat""
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:3156
            • C:\Windows\SysWOW64\taskkill.exe
              taskkill /f /im explorer.exe
              5⤵
              • System Location Discovery: System Language Discovery
              • Kills process with taskkill
              • Suspicious use of AdjustPrivilegeToken
              PID:3524
            • C:\Windows\SysWOW64\taskkill.exe
              taskkill /f /im taskmgr.exe
              5⤵
              • System Location Discovery: System Language Discovery
              • Kills process with taskkill
              • Suspicious use of AdjustPrivilegeToken
              PID:4696
            • C:\Windows\SysWOW64\Wbem\WMIC.exe
              wmic useraccount where name='Admin' set FullName='UR NEXT'
              5⤵
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:4664
            • C:\Windows\SysWOW64\Wbem\WMIC.exe
              wmic useraccount where name='Admin' rename 'UR NEXT'
              5⤵
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:1968
            • C:\Windows\SysWOW64\shutdown.exe
              shutdown /f /r /t 0
              5⤵
                PID:4800
      • C:\Users\Admin\AppData\Roaming\System32.exe
        "C:\Users\Admin\AppData\Roaming\System32.exe"
        1⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:1432
      • C:\Windows\system32\LogonUI.exe
        "LogonUI.exe" /flags:0x4 /state0:0xa3a20855 /state1:0x41c64e6d
        1⤵
          PID:4316

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              CurrentDatabase_400.wmdb

              • Path C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb
              • Size 896KB
              • SHA256 04a5921258e4b3cf1d50a718c1b0c1c26ec93abd1629351d2f064e3181c1293b
              • MD5 SHA1 SHA512 SSDEEP TLSH

              1442.bat

              • Path C:\Users\Admin\AppData\Local\Temp\1442.bat
              • Size 1KB
              • SHA256 61378a1ba4700876659848d553fa1caa5a5748ff9255af13cd2f539b3ae1bfdc
              • MD5 SHA1 SHA512 TLSH

              System32.exe

              • Path C:\Users\Admin\AppData\Local\Temp\System32.exe
              • Size 35KB
              • SHA256 99552727ef350dcd99949e3fff24f15f291cdb1934ba45b19186e8b164522e7f
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ciaxlj.exe

              • Path C:\Users\Admin\AppData\Local\Temp\ciaxlj.exe
              • Size 6.7MB
              • SHA256 4a900b344ef765a66f98cf39ac06273d565ca0f5d19f7ea4ca183786155d4a47
              • MD5 SHA1 SHA512 SSDEEP TLSH

              one.rtf

              • Path C:\Users\Admin\AppData\Local\Temp\one.rtf
              • Size 403B
              • SHA256 e152b106733d9263d3cf175f0b6197880d70acb753f8bde8035a3e4865b31690
              • MD5 SHA1 SHA512 TLSH

              rniw.exe

              • Path C:\Users\Admin\AppData\Local\Temp\rniw.exe
              • Size 76KB
              • SHA256 70faa0e1498461731f873d3594f20cbf2beaa6f123a06b66f9df59a9cdf862be
              • MD5 SHA1 SHA512 SSDEEP TLSH

              text.txt

              • Path C:\Users\Admin\AppData\Local\Temp\text.txt
              • Size 396B
              • SHA256 38c889b5d7bdcb79bbcb55554c520a9ce74b5bfc29c19d1e4cb1419176c99f48
              • MD5 SHA1 SHA512

              windl.bat

              • Path C:\Users\Admin\AppData\Local\Temp\windl.bat
              • Size 771B
              • SHA256 b551fba71dfd526d4916ae277d8686d83fff36d22fcf6f18457924a070b30ef7
              • MD5 SHA1 SHA512 TLSH

              memory/1968-101-0x0000000000FD0000-0x0000000000FF5000-memory.dmp

              memory/3772-26-0x0000000001580000-0x00000000015EB000-memory.dmp

              memory/3772-27-0x000000001BAB0000-0x000000001BAC0000-memory.dmp

              memory/3772-105-0x0000000001580000-0x00000000015EB000-memory.dmp

              memory/3772-25-0x000000001BAB0000-0x000000001BAC0000-memory.dmp

              memory/3772-41-0x0000000001580000-0x00000000015EB000-memory.dmp

              memory/3772-23-0x0000000000D90000-0x0000000000DA0000-memory.dmp

              memory/3772-76-0x000000001C930000-0x000000001C93A000-memory.dmp

              memory/3772-39-0x0000000001580000-0x00000000015EB000-memory.dmp

              memory/4240-0-0x0000000000D50000-0x0000000000D5E000-memory.dmp

              memory/4240-1-0x000000001BA80000-0x000000001BA90000-memory.dmp

              memory/4664-81-0x00000000015A0000-0x00000000015C5000-memory.dmp

              memory/5116-73-0x0000000009E10000-0x0000000009E1E000-memory.dmp

              memory/5116-78-0x000000000DC30000-0x000000000DC40000-memory.dmp

              memory/5116-79-0x000000000DC30000-0x000000000DC40000-memory.dmp

              memory/5116-82-0x000000000E030000-0x000000000E040000-memory.dmp

              memory/5116-85-0x000000000DC30000-0x000000000DC40000-memory.dmp

              memory/5116-86-0x000000000E030000-0x000000000E040000-memory.dmp

              memory/5116-77-0x000000000DC30000-0x000000000DC40000-memory.dmp

              memory/5116-84-0x000000000DC30000-0x000000000DC40000-memory.dmp

              memory/5116-83-0x000000000E030000-0x000000000E040000-memory.dmp

              memory/5116-80-0x000000000DC30000-0x000000000DC40000-memory.dmp

              memory/5116-72-0x000000000D3B0000-0x000000000D3E8000-memory.dmp

              memory/5116-56-0x0000000006AD0000-0x0000000007076000-memory.dmp

              memory/5116-55-0x0000000000A20000-0x00000000010CE000-memory.dmp

              memory/5116-104-0x0000000005A20000-0x0000000005AA7000-memory.dmp