General

  • Target

    f1c82a831b4dbcc5869fe60ea8879f073902d358f80b3525fa2682a895715730N.exe

  • Size

    1.5MB

  • Sample

    241226-y5xk3aykct

  • MD5

    92fc1b64d702ebee25b1cabea2a81ae0

  • SHA1

    1d3d5ec151eae49d8186d755db49c0d2b1df1a76

  • SHA256

    f1c82a831b4dbcc5869fe60ea8879f073902d358f80b3525fa2682a895715730

  • SHA512

    ac8ad02121c75db44ce5c67c4e7ec7cfdcb2fdcb5577c2675d8c7c63fca27c86626ee45e92c8ec58efedfb35bf9e863b76d482e45eb4dd1427b9a88c73e1981d

  • SSDEEP

    24576:ansJ39LyjbJkQFMhmC+6GD9u5xolYQY6dp7gAVKzar5:ansHyjtk2MYC5GDjYmp7gAVK2

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

      f1c82a831b4dbcc5869fe60ea8879f073902d358f80b3525fa2682a895715730N.exe

    • Size

      1.5MB

    • MD5

      92fc1b64d702ebee25b1cabea2a81ae0

    • SHA1

      1d3d5ec151eae49d8186d755db49c0d2b1df1a76

    • SHA256

      f1c82a831b4dbcc5869fe60ea8879f073902d358f80b3525fa2682a895715730

    • SHA512

      ac8ad02121c75db44ce5c67c4e7ec7cfdcb2fdcb5577c2675d8c7c63fca27c86626ee45e92c8ec58efedfb35bf9e863b76d482e45eb4dd1427b9a88c73e1981d

    • SSDEEP

      24576:ansJ39LyjbJkQFMhmC+6GD9u5xolYQY6dp7gAVKzar5:ansHyjtk2MYC5GDjYmp7gAVK2

    • 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.

    • 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