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

    86KB

  • Sample

    240608-xyk31sfa2t

  • MD5

    33cbd5658081daa36ed82e50d135f60d

  • SHA1

    e4686d95533cc3912449196d95f0e4e880d9e4ce

  • SHA256

    3aacf0bb070a6b1de06a6e0903dd7fcf4f36f7b0ab27a7195b749ec5b02dcbd3

  • SHA512

    e1f209ca3a00cd3c626f73229c53f4376baa81be8b16c90e9f3077a2c9e89a0a694f664368fac73008d8eac57d925ef47626b1aeca6412090ffe744ceb89d207

  • SSDEEP

    1536:ZD9OD3q61wnoXPhXbKbBIHlEV26Al4KOE6k6LldKTY:Z9OOOJLKbUlECltONk6R6Y

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

      86KB

    • MD5

      33cbd5658081daa36ed82e50d135f60d

    • SHA1

      e4686d95533cc3912449196d95f0e4e880d9e4ce

    • SHA256

      3aacf0bb070a6b1de06a6e0903dd7fcf4f36f7b0ab27a7195b749ec5b02dcbd3

    • SHA512

      e1f209ca3a00cd3c626f73229c53f4376baa81be8b16c90e9f3077a2c9e89a0a694f664368fac73008d8eac57d925ef47626b1aeca6412090ffe744ceb89d207

    • SSDEEP

      1536:ZD9OD3q61wnoXPhXbKbBIHlEV26Al4KOE6k6LldKTY:Z9OOOJLKbUlECltONk6R6Y

    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

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks