Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    21/04/2026, 14:28

General

  • Target
    2026-04-21_d00742ce4990ff82681b5c44c0eef010_conti.exe
  • Size 52KB
  • Sample260421-rs5btabv8x
  • SHA256 9067160f19682d1dc2cd7eddba1ce8084e26e646c9aad81509547efa15428ea2
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • zippo01.hopto.org:7000

Mutex
  • jpwLheSkxdeY7p4Z

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

aes.plain

Signatures

  • Family: Xworm

    Xworm is a remote access trojan written in C#.

  • Detect Xworm Payload 3 IoCs
  • Detects Windows executables referencing non-Windows User-Agents 3 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-04-21_d00742ce4990ff82681b5c44c0eef010_conti.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-21_d00742ce4990ff82681b5c44c0eef010_conti.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3392
    • C:\Users\Admin\AppData\Local\Temp\tmp.exe
      "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:4660

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp.exe

        • Path C:\Users\Admin\AppData\Local\Temp\tmp.exe
        • Size 34KB
        • SHA256 c3d1b1a2a80471a11be874755bee9c98601c214ff1351eae393aa6cd67ff4ce7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3392-12-0x00007FF6EA390000-0x00007FF6EA3A4000-memory.dmp

        memory/4660-11-0x0000000000E60000-0x0000000000E6E000-memory.dmp

        memory/4660-17-0x000000001BB10000-0x000000001BB20000-memory.dmp

        memory/4660-18-0x0000000001680000-0x000000000168C000-memory.dmp

        memory/4660-19-0x000000001BB10000-0x000000001BB20000-memory.dmp