Overview

overview

10

Static

static

1

test.msi

windows10-1703-x64

10

test.msi

windows10-2004-x64

10

test.msi

windows11-21h2-x64

10

Sharing

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General

  • Target

    test.msi

  • Size

    1.1MB

  • Sample

    240511-jrjpqahe88

  • MD5

    0dbd897947fd3fd75af9b67b8517d2f4

  • SHA1

    ef3fb6baf23c3228a9dc9751f1af5178c12d5a33

  • SHA256

    594e87ea4d40331411e9b52033db03db5fd2399c023b3f132f277b6ad40535d4

  • SHA512

    b43547b23a1969da024bfaed654bcf6fca167962dd09810191e3ee838460b66ba92307009d0034efb9c08fc80f374ceff612b83a5f8a840bbb6b56f42c9183ab

  • SSDEEP

    24576:xEfVw748eBaCifrIFI24kuMdJhycvkA5nY28ERhpZQKAv671XlmEtnOr:xEyc8eorIF74kuMdJ0cvtnY28ERh/QwC

Score
10/10
xwormexecutionpersistenceransomwarerattrojan

Malware Config

Extracted

Family

xworm

C2

case-shield.gl.at.ply.gg:26501

Attributes
  • Install_directory

    %Userprofile%

  • install_file

    system.exe

Targets

    • Target

      test.msi

    • Size

      1.1MB

    • MD5

      0dbd897947fd3fd75af9b67b8517d2f4

    • SHA1

      ef3fb6baf23c3228a9dc9751f1af5178c12d5a33

    • SHA256

      594e87ea4d40331411e9b52033db03db5fd2399c023b3f132f277b6ad40535d4

    • SHA512

      b43547b23a1969da024bfaed654bcf6fca167962dd09810191e3ee838460b66ba92307009d0034efb9c08fc80f374ceff612b83a5f8a840bbb6b56f42c9183ab

    • SSDEEP

      24576:xEfVw748eBaCifrIFI24kuMdJhycvkA5nY28ERhpZQKAv671XlmEtnOr:xEyc8eorIF74kuMdJ0cvtnY28ERh/QwC

    Score
    10/10
    xwormexecutionpersistencerattrojanransomware

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

      trojanratxworm

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Drops startup file

    • Adds Run key to start application

      persistence

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Checks computer location settings

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

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1behavioral2behavioral3

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

2
T1059

PowerShell

2
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

2
T1112

Credential Access

Discovery

Query Registry

3
T1012

Peripheral Device Discovery

2
T1120

System Information Discovery

4
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Defacement

1
T1491

Resource Development

Reconnaissance

Tasks