Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/09/2026, 19:22

General

  • Target
    6a21c9523c854e4ce50fe137608bcb6b42c4e0d03131187cb6587b11f1f966e5.exe
  • Size 65KB
  • Sample260910-x28y9avdkf
  • SHA256 6a21c9523c854e4ce50fe137608bcb6b42c4e0d03131187cb6587b11f1f966e5
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • XWorm V5.6

C2
  • 31.57.97.30:4

Attributes
  • Install_directory

    %AppData%

  • install_file

    SahmBypass.exe

  • localhost

    127.0.0.1

Signatures

  • Family: Xworm

    Xworm is a remote access trojan written in C#.

  • Detect Xworm Payload 2 IoCs
  • 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
  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • 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.

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6a21c9523c854e4ce50fe137608bcb6b42c4e0d03131187cb6587b11f1f966e5.exe
    "C:\Users\Admin\AppData\Local\Temp\6a21c9523c854e4ce50fe137608bcb6b42c4e0d03131187cb6587b11f1f966e5.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4804
    • C:\Users\Admin\AppData\Local\Temp\SahmBypass.exe
      "C:\Users\Admin\AppData\Local\Temp\SahmBypass.exe"
      2⤵
      • Creates a file in the Startup directory
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:4892
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\127.bat" "
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:2356

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        127.bat

        • Path C:\Users\Admin\AppData\Local\Temp\127.bat
        • Size 410B
        • SHA256 34edd873f22b9c722abda7d5f85bcba7c456ddd7def004d4c0e0f72d359d3f56
        • MD5 SHA1 SHA512 TLSH

        SahmBypass.exe

        • Path C:\Users\Admin\AppData\Local\Temp\SahmBypass.exe
        • Size 59KB
        • SHA256 22329c401c8db3bc8ef27d56e602ef8328d678de47dfb40ebccef195f623a06a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4892-11-0x00007FFE500DF000-0x00007FFE500E0000-memory.dmp

        memory/4892-18-0x0000000000730000-0x0000000000746000-memory.dmp

        memory/4892-19-0x00007FFE4FF50000-0x00007FFE508F4000-memory.dmp

        memory/4892-20-0x00007FFE4FF50000-0x00007FFE508F4000-memory.dmp

        memory/4892-26-0x00007FFE4FF50000-0x00007FFE508F4000-memory.dmp

        memory/4892-27-0x00007FFE4FF50000-0x00007FFE508F4000-memory.dmp

        memory/4892-28-0x00007FFE4FF50000-0x00007FFE508F4000-memory.dmp