Overview

overview

10

Static

static

3

omesfn.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    omesfn.exe
  • Size 20.7MB
  • Sample260815-b8kpcaxvds
  • SHA256 38dd7290ba913cfb7a895fe3e0e9901bf08a92da63c95f787b0fa40570a73664
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
xwormdefense_evasiondiscoveryexecutionpersistencepyinstallerrattrojan

Malware Config

Extracted

Family

  • xworm

Version

  • 3.1

C2

  • fds6gbae3v.localto.net:4294

Mutex

  • cp61rbL2A1wY8bj1

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

aes.plain

Targets

    • Target
      omesfn.exe
    • Size 20.7MB
    • SHA256 38dd7290ba913cfb7a895fe3e0e9901bf08a92da63c95f787b0fa40570a73664
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoveryexecutionxwormpersistencerattrojan

    • Detect Xworm Payload

    • Family: 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

    • Executes dropped EXE

    • Loads dropped DLL

    • Looks up external IP address via web service

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

      discovery

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

      defense_evasion
    behavioral1

MITRE ATT&CK Enterprise v16

Tasks