Overview

overview

10

Static

static

10

dd49cb0cdc...fa.exe

windows7-x64

10

dd49cb0cdc...fa.exe

windows10-2004-x64

10

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General

  • Target

    dd49cb0cdc819682f71a76643ca69ad86cf25e616a4868e164cdde535b324bfa

  • Size

    2.5MB

  • Sample

    250103-bd1gbasqcy

  • MD5

    955b5c84e9db2eba7f71d15229611e54

  • SHA1

    803fb7d591b378efb2f33f3f4596b41d488edb34

  • SHA256

    dd49cb0cdc819682f71a76643ca69ad86cf25e616a4868e164cdde535b324bfa

  • SHA512

    318626a5488ddeecc6af91ad37aa30c9811057c41bc39a7de76a4de2bbf5de3dadfafdfbf367b2ec7ecbeb9886e8ca28429179cf754b5bd0b4b2bca6b72dc516

  • SSDEEP

    49152:fnsHyjtk2MYC5GD8oIInpcITYbNbNWo4kSH3OqtwIfKI4GD2z5pvnQ:fnsmtk2akhiIT4bNJFY3Oqtr4lpvQ

Score
10/10
xredbackdoordiscoveryevasionmacropersistence

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

      dd49cb0cdc819682f71a76643ca69ad86cf25e616a4868e164cdde535b324bfa

    • Size

      2.5MB

    • MD5

      955b5c84e9db2eba7f71d15229611e54

    • SHA1

      803fb7d591b378efb2f33f3f4596b41d488edb34

    • SHA256

      dd49cb0cdc819682f71a76643ca69ad86cf25e616a4868e164cdde535b324bfa

    • SHA512

      318626a5488ddeecc6af91ad37aa30c9811057c41bc39a7de76a4de2bbf5de3dadfafdfbf367b2ec7ecbeb9886e8ca28429179cf754b5bd0b4b2bca6b72dc516

    • SSDEEP

      49152:fnsHyjtk2MYC5GD8oIInpcITYbNbNWo4kSH3OqtwIfKI4GD2z5pvnQ:fnsmtk2akhiIT4bNJFY3Oqtr4lpvQ

    Score
    10/10
    xredbackdoordiscoverymacropersistenceevasion

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • Xred

      Xred is backdoor written in Delphi.

      backdoorxred

    • Xred family

      xred

    • 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 v15

Tasks