Overview

overview

10

Static

static

10

sysguard.exe

windows7-x64

10

sysguard.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    sysguard.exe

  • Size

    168KB

  • Sample

    240503-vze72sef83

  • MD5

    a904db251e60525303896de5ad932ef3

  • SHA1

    f3554ba7d6996d442c01480120def4a864e455a5

  • SHA256

    2e618745869d07b1023b97fbcf04e63fb1bdf8903ce1460c93d11320d2b75158

  • SHA512

    bd95e6a8f6152b8cace0b9356a5d25791b464f9b233271baa4202c3a2658f9fdabc07d4c014099df88f45e07dc3834336afcccfa68ae2a5f1a0834c9d5e0a578

  • SSDEEP

    3072:Pbd+ra3PmZ/b5Tz6LOlIjBz65/M6If+3Js+3JFkKeTnO:PAamZ/boZjxBt25

Score
10/10
xwormexecutionpersistencerattrojan

Malware Config

Extracted

Family

xworm

C2

teeeheee.zapto.org:25562

Attributes
  • Install_directory

    %AppData%

  • install_file

    shh.exe

Targets

    • Target

      sysguard.exe

    • Size

      168KB

    • MD5

      a904db251e60525303896de5ad932ef3

    • SHA1

      f3554ba7d6996d442c01480120def4a864e455a5

    • SHA256

      2e618745869d07b1023b97fbcf04e63fb1bdf8903ce1460c93d11320d2b75158

    • SHA512

      bd95e6a8f6152b8cace0b9356a5d25791b464f9b233271baa4202c3a2658f9fdabc07d4c014099df88f45e07dc3834336afcccfa68ae2a5f1a0834c9d5e0a578

    • SSDEEP

      3072:Pbd+ra3PmZ/b5Tz6LOlIjBz65/M6If+3Js+3JFkKeTnO:PAamZ/boZjxBt25

    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