Analysis

  • max time kernel
    164s
  • max time network
    168s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/08/2026, 12:14

General

  • Target
    f306f95f4a9b8b5f708e349465614c67ed2e60a13f2d28efefc7fc78c223e51e.exe
  • Size 406KB
  • Sample260810-ped7csfh93
  • SHA256 f306f95f4a9b8b5f708e349465614c67ed2e60a13f2d28efefc7fc78c223e51e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • 217.217.97.75:4445

Mutex
  • jDsTVbMEbOAobzRN

Attributes
  • install_file

    USB.exe

aes.plain

Signatures

  • Family: Xworm

    Xworm is a remote access trojan written in C#.

  • Detect Xworm Payload 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f306f95f4a9b8b5f708e349465614c67ed2e60a13f2d28efefc7fc78c223e51e.exe
    "C:\Users\Admin\AppData\Local\Temp\f306f95f4a9b8b5f708e349465614c67ed2e60a13f2d28efefc7fc78c223e51e.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:5636
    • C:\Users\Admin\AppData\Local\Temp\f306f95f4a9b8b5f708e349465614c67ed2e60a13f2d28efefc7fc78c223e51e.exe
      "C:\Users\Admin\AppData\Local\Temp\f306f95f4a9b8b5f708e349465614c67ed2e60a13f2d28efefc7fc78c223e51e.exe"
      2⤵
        PID:1220
      • C:\Users\Admin\AppData\Local\Temp\f306f95f4a9b8b5f708e349465614c67ed2e60a13f2d28efefc7fc78c223e51e.exe
        "C:\Users\Admin\AppData\Local\Temp\f306f95f4a9b8b5f708e349465614c67ed2e60a13f2d28efefc7fc78c223e51e.exe"
        2⤵
        • Suspicious use of NtCreateThreadExHideFromDebugger
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:5064
        • C:\Users\Admin\AppData\Local\Temp\f306f95f4a9b8b5f708e349465614c67ed2e60a13f2d28efefc7fc78c223e51e.exe
          "C:\Users\Admin\AppData\Local\Temp\f306f95f4a9b8b5f708e349465614c67ed2e60a13f2d28efefc7fc78c223e51e.exe"
          3⤵
            PID:5704

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            System.dll

            • Path C:\Users\Admin\AppData\Local\Temp\nsw9285.tmp\System.dll
            • Size 11KB
            • SHA256 bd046e6497b304e4ea4ab102cab2b1f94ce09bde0eebba4c59942a732679e4eb
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/5064-15-0x0000000077171000-0x000000007729F000-memory.dmp

            memory/5064-16-0x00000000720F2000-0x00000000720F3000-memory.dmp

            memory/5064-11-0x00000000771DD000-0x00000000771DE000-memory.dmp

            memory/5064-12-0x00000000772A5000-0x00000000772A6000-memory.dmp

            memory/5064-13-0x00000000004A0000-0x0000000001786000-memory.dmp

            memory/5064-23-0x00000000720E0000-0x000000007289C000-memory.dmp

            memory/5064-14-0x00000000004A0000-0x0000000001786000-memory.dmp

            memory/5064-10-0x000000007721F000-0x0000000077220000-memory.dmp

            memory/5064-17-0x00000000004A0000-0x00000000004AE000-memory.dmp

            memory/5064-18-0x0000000039DC0000-0x0000000039E5C000-memory.dmp

            memory/5064-19-0x00000000772A5000-0x00000000772A6000-memory.dmp

            memory/5064-20-0x00000000720E0000-0x000000007289C000-memory.dmp

            memory/5064-22-0x00000000720F2000-0x00000000720F3000-memory.dmp

            memory/5636-9-0x0000000010004000-0x0000000010005000-memory.dmp