General

  • Target

    805c795be5f0324f0e1d2bca61beabaf1d1d054eca2ad0224588295bb9d41299

  • Size

    3.3MB

  • Sample

    241127-blejtayqcy

  • MD5

    e3a3e6d5bcdf3fe8c6c525429e401b1f

  • SHA1

    a1b2370bd81715b63dd6268e301a7101d39d3ebc

  • SHA256

    805c795be5f0324f0e1d2bca61beabaf1d1d054eca2ad0224588295bb9d41299

  • SHA512

    be86d4785df2de0b0f4e74c9f56988d7df0dc6ed2bd2d2632b83266a73ed72491b50a3db557d83ce5cca65ed1b98c97d6c63a90045188896b02d2fa3484e8743

  • SSDEEP

    98304:dnsmtk2a9XzhW148Pd+Tf1mpcOldJQ3/VL4:BL6FK4s0TfLOdo/K

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

      805c795be5f0324f0e1d2bca61beabaf1d1d054eca2ad0224588295bb9d41299

    • Size

      3.3MB

    • MD5

      e3a3e6d5bcdf3fe8c6c525429e401b1f

    • SHA1

      a1b2370bd81715b63dd6268e301a7101d39d3ebc

    • SHA256

      805c795be5f0324f0e1d2bca61beabaf1d1d054eca2ad0224588295bb9d41299

    • SHA512

      be86d4785df2de0b0f4e74c9f56988d7df0dc6ed2bd2d2632b83266a73ed72491b50a3db557d83ce5cca65ed1b98c97d6c63a90045188896b02d2fa3484e8743

    • SSDEEP

      98304:dnsmtk2a9XzhW148Pd+Tf1mpcOldJQ3/VL4:BL6FK4s0TfLOdo/K

    • Modifies visiblity of hidden/system files in Explorer

    • Xred

      Xred is backdoor written in Delphi.

    • Xred family

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks