Overview

overview

10

Static

static

10

WizClient.exe

windows10-ltsc_2021-x64

10

WizClient.exe

windows11-21h2-x64

10

WizClient.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    WizClient.exe
  • Size 35KB
  • Sample260826-aj8jfabc69
  • SHA256 63f80fbc8cf8815bacf2326a57cd22c6bebfa167a9be877508411a0c906b26c1
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
xwormdiscoveryexecutionpersistenceprivilege_escalationrattrojan

Malware Config

Extracted

Family

  • xworm

C2

  • nR2t-42812.portmap:42812

Mutex

  • fVe9alnaLI457xU9

Attributes
  • Install_directory

    %Temp%

  • install_file

    USB.exe

aes.plain

Targets

    • Target
      WizClient.exe
    • Size 35KB
    • SHA256 63f80fbc8cf8815bacf2326a57cd22c6bebfa167a9be877508411a0c906b26c1
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    discoveryexecutionxwormpersistenceprivilege_escalationrattrojan

    • Detect Xworm Payload

    • Family: 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.

    • Creates a file in the Startup directory

      A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

      persistenceprivilege_escalation

    • 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.

      discovery
    behavioral1behavioral2behavioral3

MITRE ATT&CK Enterprise v16

Tasks