Analysis

  • max time kernel
    149s
  • max time network
    6s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260911-en
  • resource tags

    arch:x64arch:x86image:win11-20260911-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    01/10/2026, 19:02

General

  • Target
    XClient1.exe
  • Size 39KB
  • Sample261001-xp84gswfrc
  • SHA256 55841c189470fa4f70af18bebb3135c80d3a481076b4a93dc086256398705292
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • 5.tcp.cpolar.cn:12508

Mutex
  • 01hDaiJnKz0QaXPR

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 1 IoCs
  • Looks up external IP address via web service 1 TTPs 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\XClient1.exe
    "C:\Users\Admin\AppData\Local\Temp\XClient1.exe"
    1⤵
    • Reads the TCP/IP host and domain name from the registry
    • Suspicious use of AdjustPrivilegeToken
    PID:4784

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/4784-0-0x00000000005F0000-0x0000000000600000-memory.dmp

        memory/4784-1-0x000000001BF20000-0x000000001BF30000-memory.dmp