Overview

overview

10

Static

static

3

xa403cd8cc...c1.exe

windows10-2004-x64

10

xa403cd8cc...c1.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    xa403cd8cc03aee693d587a568be64d717edf6c8c6d3e40f07199067c734153c1.exe
  • Size 10.8MB
  • Sample260522-ddv8psfy8x
  • SHA256 a403cd8cc03aee693d587a568be64d717edf6c8c6d3e40f07199067c734153c1
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
xwormdiscoveryexecutionpersistencerattrojan

Malware Config

Extracted

Family

  • xworm

Version

  • 5.0

C2

  • 6.tcp.eu.ngrok.io:29843

Mutex

  • n2a9kAFC9fPtli8N

Attributes
  • Install_directory

    %AppData%

  • install_file

    svhost.exe

aes.plain

Targets

    • Target
      xa403cd8cc03aee693d587a568be64d717edf6c8c6d3e40f07199067c734153c1.exe
    • Size 10.8MB
    • SHA256 a403cd8cc03aee693d587a568be64d717edf6c8c6d3e40f07199067c734153c1
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    discoveryexecutionxwormpersistencerattrojan

    • 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

    • Drops startup file

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks