Overview

overview

10

Static

static

3

payload.exe

windows10-2004-x64

10

payload.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    payload.exe
  • Size 93KB
  • Sample240617-vvjdxa1dpr
  • SHA256 66c074f64035764781f045e27bd7c2c0d4615ebd60b8f2d3ee02d96555ed8dc5
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
xwormevasionexecutionpersistencerattrojan

Malware Config

Extracted

Family

  • xworm

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    winlogon.exe

  • pastebin_url

    https://pastebin.com/raw/kTrgfRNT

  • telegram

    https://api.telegram.org/bot6820329388:AAG0ljIyZ1Cj86n9cgzLGNBMldBe9TtqhAM/sendMessage?chat_id=1330099235

Targets

    • Target
      payload.exe
    • Size 93KB
    • SHA256 66c074f64035764781f045e27bd7c2c0d4615ebd60b8f2d3ee02d96555ed8dc5
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    xwormevasionexecutionpersistencerattrojan

    • 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

    • Disables Task Manager via registry modification

      evasion

    • Disables cmd.exe use via registry modification

      evasion

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Legitimate hosting services abused for malware hosting/C2

    • 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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks