General

  • Target
    x.rar
  • Size 45.0MB
  • Sample240604-ysp1fsae73
  • SHA256 8c03cbb593249772dfce73a9f21a7e7ca7b5afdf9e60f97a093bc6f2a8ad7cf8
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

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

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • 89.213.177.171:7000

Mutex
  • Y84cQ8sTyNg3D9Ue

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    VLC_Medai.exe

aes.plain

Targets

    • Target
      x/X_Attacker.exe
    • Size 999KB
    • SHA256 0ad39860802e556879d212d6094a52d220722bf669f5d35f12bf2e3f3a4361ab
    • MD5 SHA1 SHA512 SSDEEP
    • Xred

      Xred is backdoor written in Delphi.

    • Xred family

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Target
      x/data/Main.exe
    • Size 32.5MB
    • SHA256 46e48a77cab4f26eceab825c7371aa1d1191b48f62df0fc83fe2e3215c18070a
    • MD5 SHA1 SHA512 SSDEEP
    Score
    7/10
    • Loads dropped DLL

    • Legitimate hosting services abused for malware hosting/C2

    • Target
      x/data/boot.bat
    • Size 833B
    • SHA256 0fd0d5a0e7d7e4264e064800166d45b293737f753c58dcce15073171558b812c
    • MD5 SHA1 SHA512
    Score
    7/10
    • Deletes itself

    • Target
      x/data/sms.exe
    • Size 9.3MB
    • SHA256 0c2e058f82341a8b2b4460cd0bdbf2ed9156295e5e9a64b68aa320b817f2fb1d
    • MD5 SHA1 SHA512 SSDEEP
    • Detect Xworm Payload

    • Xred

      Xred is backdoor written in Delphi.

    • Xred family

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • 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.

MITRE ATT&CK Enterprise v15

Tasks