Overview

overview

10

Static

static

10

vww.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    vww.exe
  • Size 35KB
  • Sample260714-bc7t1aby3n
  • SHA256 7fde6d51977db0c263431c311f1e02f131fc4f70065bee52b05eadd7de3bb1f1
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
xwormdefense_evasionexecutionpersistencerattrojan

Malware Config

Extracted

Family

  • xworm

Version

  • XWorm V6.4 by celestialproject.org

C2

  • 5.tcp.cpolar.cn:11854

Mutex

  • HaXIOW309MV5VEnf

Attributes
  • install_file

    USB.exe

aes.plain

Targets

    • Target
      vww.exe
    • Size 35KB
    • SHA256 7fde6d51977db0c263431c311f1e02f131fc4f70065bee52b05eadd7de3bb1f1
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasionexecutionxwormpersistencerattrojan

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Detect Xworm Payload

    • Family: Xworm

      Xworm is a remote access trojan written in C#.

      trojanratxworm

    • Modifies WinLogon for persistence

      persistence

    • Disables Task Manager via registry modification

      defense_evasion

    • Uses Session Manager for persistence

      Creates Session Manager registry key to run executable early in system boot.

      persistence

    • Creates new service(s)

      persistenceexecution

    • 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.

    • Drops file in System32 directory

    behavioral1

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

System Services

1
T1569

Service Execution

1
T1569.002

Persistence

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Modify Registry

3
T1112

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks