Overview

overview

10

Static

static

10

dotNetFx45...up.exe

windows10-2004-x64

10

dotNetFx45...up.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    97aa2790c3fef2d14d6a8e156dfec663fc7db93c4a25d724938c0a7aa280d59f
  • Size 1.2MB
  • Sample260804-nwjyhaae43
  • SHA256 97aa2790c3fef2d14d6a8e156dfec663fc7db93c4a25d724938c0a7aa280d59f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
xredbackdoordiscoverymacropersistence

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
      dotNetFx45_Full_setup.exe
    • Size 1.7MB
    • SHA256 1371b24900cbd474a6bc2804f0e79dbd7b0429368be6190f276db912d73eb104
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    backdoordiscoveryxredpersistencemacro

    • Family: Xred

      Xred is backdoor written in Delphi.

      backdoorxred

    • Suspicious Office macro

      Office document equipped with macros.

      macro

    • 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

      persistence

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks