Overview

overview

10

Static

static

10

XClient.exe

windows11-21h2-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    XClient.exe

  • Size

    69KB

  • Sample

    240615-fkycratblm

  • MD5

    f2d14e6de14ad5981096711e11802dad

  • SHA1

    d95a2912cad8a2eb98bab4a5218147f00330f42d

  • SHA256

    8d169001ddb232c1464585539a4f4ebe7299392c250095021013e3d75d454503

  • SHA512

    048da5f655dedaf0fdcf29417a7844d281a13fe5efde09467d17490c2394e9136988e5ba73ac867d265c46d0d48699652a4c22b60b46196e82547eff31df9783

  • SSDEEP

    1536:7qeXixXl0CRKNLd8FPVvbI1yaS0hS6mnODG0P+qJL9u:FixXSJJ8rbIl+ODG0P+YM

Score
10/10
xwormexecutionrattrojan

Malware Config

Extracted

Family

xworm

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    rundll64.exe

  • pastebin_url

    https://pastebin.com/raw/EiiXCJbn

Targets

    • Target

      XClient.exe

    • Size

      69KB

    • MD5

      f2d14e6de14ad5981096711e11802dad

    • SHA1

      d95a2912cad8a2eb98bab4a5218147f00330f42d

    • SHA256

      8d169001ddb232c1464585539a4f4ebe7299392c250095021013e3d75d454503

    • SHA512

      048da5f655dedaf0fdcf29417a7844d281a13fe5efde09467d17490c2394e9136988e5ba73ac867d265c46d0d48699652a4c22b60b46196e82547eff31df9783

    • SSDEEP

      1536:7qeXixXl0CRKNLd8FPVvbI1yaS0hS6mnODG0P+qJL9u:FixXSJJ8rbIl+ODG0P+YM

    Score
    10/10
    xwormexecutionrattrojan

    • 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

    • Executes dropped EXE

    • Legitimate hosting services abused for malware hosting/C2

    • 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

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1
T1082

Query Registry

1
T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Resource Development

Reconnaissance

Tasks