Overview

overview

10

Static

static

3

start.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    start.exe

  • Size

    1.2MB

  • Sample

    250216-qv95eayrhw

  • MD5

    fd57bed035b52af3f76c38dd3734d488

  • SHA1

    980b619a20a29c22c988c8da5aeefefef5ac8331

  • SHA256

    ae9f91672d7669b9db7e822d9d914df15d52cd7a70a6c97751031d960a940c52

  • SHA512

    76c9fa92d883a0dbd5b976eb4be768d9e679bc21f9182eee11c84890e0382240355bfc2d61597dc37f73cdae463d2b3aee2bde0210dc19a4bec87cc22a20ae1b

  • SSDEEP

    24576:uuDXTIGaPhEYzUzA0JAHh4pXmqkanlqSyThu2PpCo/CJxkGI+Rz+O9j:hDjlabwz9JAHh4pXmo2RhCJnzFj

Score
10/10
xredxwormbackdoordiscoverypersistencerattrojan

Malware Config

Extracted

Family

xworm

C2

66.118.245.221:3333

Attributes
  • Install_directory

    %AppData%

  • install_file

    Windows.exe

Extracted

Family

xred

C2

xred.mooo.com

Attributes
  • email

    [email protected]

  • payload_url

    http://freedns.afraid.org/api/?action=getdyndns&sha=a30fa98efc092684e8d1c5cff797bcc613562978

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVlVsOGlEVGxuZVk&export=download

    https://www.dropbox.com/s/n1w4p8gc6jzo0sg/SUpdate.ini?dl=1

    http://xred.site50.net/syn/SUpdate.ini

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVzUyaHFYVkQxeFk&export=download

    https://www.dropbox.com/s/zhp1b06imehwylq/Synaptics.rar?dl=1

    http://xred.site50.net/syn/Synaptics.rar

    https://docs.google.com/uc?id=0BxsMXGfPIZfSTmlVYkxhSDg5TzQ&export=download

    https://www.dropbox.com/s/fzj752whr3ontsm/SSLLibrary.dll?dl=1

    http://xred.site50.net/syn/SSLLibrary.dll

Targets

    • Target

      start.exe

    • Size

      1.2MB

    • MD5

      fd57bed035b52af3f76c38dd3734d488

    • SHA1

      980b619a20a29c22c988c8da5aeefefef5ac8331

    • SHA256

      ae9f91672d7669b9db7e822d9d914df15d52cd7a70a6c97751031d960a940c52

    • SHA512

      76c9fa92d883a0dbd5b976eb4be768d9e679bc21f9182eee11c84890e0382240355bfc2d61597dc37f73cdae463d2b3aee2bde0210dc19a4bec87cc22a20ae1b

    • SSDEEP

      24576:uuDXTIGaPhEYzUzA0JAHh4pXmqkanlqSyThu2PpCo/CJxkGI+Rz+O9j:hDjlabwz9JAHh4pXmo2RhCJnzFj

    Score
    10/10
    xredxwormbackdoordiscoverypersistencerattrojan

    • Detect Xworm Payload

    • Xred

      Xred is backdoor written in Delphi.

      backdoorxred

    • Xred family

      xred

    • Xworm

      Xworm is a remote access trojan written in C#.

      trojanratxworm

    • Xworm family

      xworm

    • Checks computer location settings

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

    • 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.

    behavioral1

MITRE ATT&CK Enterprise v15

Tasks