Overview

overview

10

Static

static

10

XClient.exe

windows11-21h2-x64

10

Sharing

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General

  • Target

    XClient.exe

  • Size

    73KB

  • Sample

    240630-f11staxell

  • MD5

    b8b591cdf24497b0014caa76b4c42727

  • SHA1

    f4337b4a18e1664eadccd88f94743b9b40eaba1d

  • SHA256

    1136793c68ab82351f88cf0d385c56b96907b7bbf019337646cec294f61b9309

  • SHA512

    3775d6714091704ee1597c75a97cf3621c29365b6fc4ae87eae9f380fae1d18db6af2c080fbdc78f77c25c04a36c44ec1327f514eef423fc9a842b44ace65bef

  • SSDEEP

    1536:Uk3l8IOb4GgTt7NVKWr4b1UZEi/r6ye5pb+XOAL3X6+WwNK:Uk3iIOqT3r4b1UZhW5pb+OAjX6+WwNK

Score
10/10
xwormexecutionpersistencerattrojan

Malware Config

Extracted

Family

xworm

C2

147.185.221.20:41205

192.168.1.11:41205

field-clark.gl.at.ply.gg:41205
Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

Targets

    • Target

      XClient.exe

    • Size

      73KB

    • MD5

      b8b591cdf24497b0014caa76b4c42727

    • SHA1

      f4337b4a18e1664eadccd88f94743b9b40eaba1d

    • SHA256

      1136793c68ab82351f88cf0d385c56b96907b7bbf019337646cec294f61b9309

    • SHA512

      3775d6714091704ee1597c75a97cf3621c29365b6fc4ae87eae9f380fae1d18db6af2c080fbdc78f77c25c04a36c44ec1327f514eef423fc9a842b44ace65bef

    • SSDEEP

      1536:Uk3l8IOb4GgTt7NVKWr4b1UZEi/r6ye5pb+XOAL3X6+WwNK:Uk3iIOqT3r4b1UZhW5pb+OAjX6+WwNK

    Score
    10/10
    xwormexecutionpersistencerattrojan

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

      trojanratxworm

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Drops startup file

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Looks up external IP address via web service

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

    behavioral1

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

Query Registry

1
T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks