Overview

overview

10

Static

static

10

XClient.exe

windows7-x64

10

XClient.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    XClient.exe

  • Size

    88KB

  • Sample

    240608-wch6vsdh8y

  • MD5

    eaca4f630580420862caa591d2f85525

  • SHA1

    98692e1eb323906be7fb8f84916e87e1cf6089ef

  • SHA256

    b4a3a725fd7884b73edfd50985d097370dc2111184395d0f9a51571436ad95c5

  • SHA512

    74a0179a20df120e4cf26b82b7512b506b01db343311dbc3de62037ec9e9fd46f19c7c94592b0a193ca638863097e96642aa00ffb17c21a18904fa3de25c84eb

  • SSDEEP

    1536:edLWlf7IPgPqQ3mBxcefvWv1mb+nSswbLKVv6fdeQgvpOeAmDfbKXv:eBQIPgiQWBCemmbQIPKfQ+OeAWfYv

Score
10/10
xwormexecutionpersistencerattrojan

Malware Config

Extracted

Family

xworm

C2

medical-m.gl.at.ply.gg:7000

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    conhost.exe

Targets

    • Target

      XClient.exe

    • Size

      88KB

    • MD5

      eaca4f630580420862caa591d2f85525

    • SHA1

      98692e1eb323906be7fb8f84916e87e1cf6089ef

    • SHA256

      b4a3a725fd7884b73edfd50985d097370dc2111184395d0f9a51571436ad95c5

    • SHA512

      74a0179a20df120e4cf26b82b7512b506b01db343311dbc3de62037ec9e9fd46f19c7c94592b0a193ca638863097e96642aa00ffb17c21a18904fa3de25c84eb

    • SSDEEP

      1536:edLWlf7IPgPqQ3mBxcefvWv1mb+nSswbLKVv6fdeQgvpOeAmDfbKXv:eBQIPgiQWBCemmbQIPKfQ+OeAWfYv

    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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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.

    behavioral1behavioral2

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

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks