General

  • Target

    b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe

  • Size

    3.2MB

  • Sample

    241122-nhz3kazkht

  • MD5

    07c86dd4f62846c7916a480b4141b540

  • SHA1

    bae9b29b94a2380eeb7e28892d0610968f52dae8

  • SHA256

    b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67

  • SHA512

    79a38bfa48e59222fb38695c169f762bbd4f49ce2b93cb82303d78d871fefba61ef1d3d9b1c82f30f6dd208cc34878925f12ed798d1f17da41ad29cd7a71e487

  • SSDEEP

    98304:H3h6d68gwIteZNiiPwVpc3h6d68gwIteZNiiPwVp:HR668aaEL4R668aaEL

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

Targets

    • Target

      b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67N.exe

    • Size

      3.2MB

    • MD5

      07c86dd4f62846c7916a480b4141b540

    • SHA1

      bae9b29b94a2380eeb7e28892d0610968f52dae8

    • SHA256

      b2557a9a3bf651c30a68ed6bbf287335e1739b4ce8875a0d095006c4156d5a67

    • SHA512

      79a38bfa48e59222fb38695c169f762bbd4f49ce2b93cb82303d78d871fefba61ef1d3d9b1c82f30f6dd208cc34878925f12ed798d1f17da41ad29cd7a71e487

    • SSDEEP

      98304:H3h6d68gwIteZNiiPwVpc3h6d68gwIteZNiiPwVp:HR668aaEL4R668aaEL

    • Remcos

      Remcos is a closed-source remote control and surveillance software.

    • Remcos family

    • Xred

      Xred is backdoor written in Delphi.

    • Xred 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.

    • Executes dropped EXE

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks