Analysis

  • max time kernel
    298s
  • max time network
    306s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    28/08/2026, 19:21

General

  • Target
    version.dll
  • Size 1.1MB
  • Sample260828-x24drsseqf
  • SHA256 4cebc91bb721bcca059b0ac117129179daf6a9e316fcee2dc2c23231e7d6cebd
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • 104.249.59.16:7004

Mutex
  • zkb0ygsKAloGzF88

Attributes
  • install_file

    USB.exe

aes.plain

Signatures

  • Family: Xworm

    Xworm is a remote access trojan written in C#.

  • Detect Xworm Payload 2 IoCs
  • Badlisted process makes network request 20 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\version.dll,#1
    1⤵
    • Badlisted process makes network request
    • Adds Run key to start application
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2296
  • C:\Windows\system32\rundll32.exe
    "C:\Windows\system32\rundll32.exe"
    1⤵
      PID:3660

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/2296-0-0x000002B2012C0000-0x000002B2012C1000-memory.dmp

          memory/2296-2-0x00007FFB12F60000-0x00007FFB1301E000-memory.dmp

          memory/2296-1-0x00007FFB11CE0000-0x00007FFB11FA9000-memory.dmp

          memory/2296-19-0x000002B202EB0000-0x000002B202EC0000-memory.dmp

          memory/2296-20-0x000002B202E60000-0x000002B202E6E000-memory.dmp

          memory/2296-22-0x000002B202EB0000-0x000002B202EC0000-memory.dmp

          memory/2296-27-0x000002B202EB0000-0x000002B202EC0000-memory.dmp

          memory/2296-28-0x000002B202EB0000-0x000002B202EC0000-memory.dmp