General

  • Target

    2a35078ec0d7fd71726e92e9f8c2c2614bea1843e5000e37c9ba5792ab5f249f.exe

  • Size

    1.5MB

  • Sample

    241226-cbk5aatnfx

  • MD5

    541530d085f95820042277daebb1f623

  • SHA1

    31d4b8fc956c9436c114e53524b0d80e8e5dfd4c

  • SHA256

    2a35078ec0d7fd71726e92e9f8c2c2614bea1843e5000e37c9ba5792ab5f249f

  • SHA512

    305724ce531d1b6b4cf8739a10d32551334e1a1e712790839c9a81d51cc5496e1f76cd28d9a680bcc251a795739c5f1a3471e2583005af53925fb47c0c77dbd7

  • SSDEEP

    24576:ansJ39LyjbJkQFMhmC+6GD9u5xolYQY6dp7gAVKzarL:ansHyjtk2MYC5GDjYmp7gAVKS

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

      2a35078ec0d7fd71726e92e9f8c2c2614bea1843e5000e37c9ba5792ab5f249f.exe

    • Size

      1.5MB

    • MD5

      541530d085f95820042277daebb1f623

    • SHA1

      31d4b8fc956c9436c114e53524b0d80e8e5dfd4c

    • SHA256

      2a35078ec0d7fd71726e92e9f8c2c2614bea1843e5000e37c9ba5792ab5f249f

    • SHA512

      305724ce531d1b6b4cf8739a10d32551334e1a1e712790839c9a81d51cc5496e1f76cd28d9a680bcc251a795739c5f1a3471e2583005af53925fb47c0c77dbd7

    • SSDEEP

      24576:ansJ39LyjbJkQFMhmC+6GD9u5xolYQY6dp7gAVKzarL:ansHyjtk2MYC5GDjYmp7gAVKS

    • Modifies WinLogon for persistence

    • Modifies visiblity of hidden/system files in Explorer

    • Xred

      Xred is backdoor written in Delphi.

    • Xred family

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Suspicious Office macro

      Office document equipped with macros.

    • 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

MITRE ATT&CK Enterprise v15

Tasks