Overview

overview

10

Static

static

10

fe892c4855...d6.exe

windows10-2004-x64

10

fe892c4855...d6.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    fe892c48559945e7e707a5fed5324ad5c2588de0965152c0ecd8b6e6b07e56d6.exe
  • Size 4.2MB
  • Sample260908-ck5v2szend
  • SHA256 fe892c48559945e7e707a5fed5324ad5c2588de0965152c0ecd8b6e6b07e56d6
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
xredbackdoorbootkitdiscoveryexecutionmacropersistenceupx

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
      fe892c48559945e7e707a5fed5324ad5c2588de0965152c0ecd8b6e6b07e56d6.exe
    • Size 4.2MB
    • SHA256 fe892c48559945e7e707a5fed5324ad5c2588de0965152c0ecd8b6e6b07e56d6
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    backdoorbootkitdiscoveryexecutionxredpersistenceupxmacro

    • Family: Xred

      Xred is backdoor written in Delphi.

      backdoorxred

    • Downloads MZ/PE file

    • 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

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

      bootkitpersistence

    • Drops file in System32 directory

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks