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

    61KB

  • Sample

    240427-m52n8shg6z

  • MD5

    b8461fceafd10150db8f951e31e45686

  • SHA1

    b486e21c7030ab612a2aa9fdd95aa0e37b1cea86

  • SHA256

    bb05e85f2e704c3a4e496bd4069bab565859eeb0f852b1156c0c0839111a1a9e

  • SHA512

    941bc2519edff833cd82fb2a41c997f358279eb360d6333c6992bff667890c4344e7cdcbb950115d65dbbade5029c850a72bd941379cc4210d4dbc0a79fc45af

  • SSDEEP

    1536:2fkbca18HxOWYMagL5wOeb5UlcT6ppOKx02q:GauHxOTAYb5cpOK/q

Score
10/10
xwormpersistencerattrojan

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:37915

5.39.43.50:37915

de-engines.gl.at.ply.gg:37915
Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

Targets

    • Target

      XClient.exe

    • Size

      61KB

    • MD5

      b8461fceafd10150db8f951e31e45686

    • SHA1

      b486e21c7030ab612a2aa9fdd95aa0e37b1cea86

    • SHA256

      bb05e85f2e704c3a4e496bd4069bab565859eeb0f852b1156c0c0839111a1a9e

    • SHA512

      941bc2519edff833cd82fb2a41c997f358279eb360d6333c6992bff667890c4344e7cdcbb950115d65dbbade5029c850a72bd941379cc4210d4dbc0a79fc45af

    • SSDEEP

      1536:2fkbca18HxOWYMagL5wOeb5UlcT6ppOKx02q:GauHxOTAYb5cpOK/q

    Score
    10/10
    xwormpersistencerattrojan

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

      trojanratxworm

    • Checks computer location settings

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

    • Drops startup file

    • 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

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks