Overview

overview

10

Static

static

10

dotnet_rea..._0.exe

windows10-2004-x64

10

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General

  • Target
    dotnet_reactor_setup_7_3_0_0.exe
  • Size 27.4MB
  • Sample260727-rc73rsbd38
  • SHA256 5d095abc1448977e1cc802a3f299d9469728db7fd92521f2eb15e531c2ac86e7
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
xredbackdoordiscoveryinstallerpersistence

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
      dotnet_reactor_setup_7_3_0_0.exe
    • Size 27.4MB
    • SHA256 5d095abc1448977e1cc802a3f299d9469728db7fd92521f2eb15e531c2ac86e7
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    backdoordiscoveryxredinstallerpersistence

    • Family: Xred

      Xred is backdoor written in Delphi.

      backdoorxred

    • Checks computer location settings

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

    • Executes dropped EXE

    • Modifies system executable filetype association

      persistence

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Drops file in System32 directory

    behavioral1

MITRE ATT&CK Enterprise v16

Tasks