General

  • Target

    1743f12fa6cad132ecbec87a60d1b3da0f106aa28c32b3a425348c0f7a108df1.exe

  • Size

    3.6MB

  • Sample

    241122-nt39cswkfk

  • MD5

    49587b86bd87a9fb71c8ad078e36b9bd

  • SHA1

    7221a8436832cf30b046be552ad82116f3164ec4

  • SHA256

    1743f12fa6cad132ecbec87a60d1b3da0f106aa28c32b3a425348c0f7a108df1

  • SHA512

    b418b4676a155d7edf25bfc8ecf160cdb59c4b2a6d370682a5894a68db5344e9d94b3941790df2ffce37efebb1cdf6862cb1391db335102aabf73872f3724226

  • SSDEEP

    98304:Snsmtk2ajqXpy05Q0N1rsYSZ6BoXh1kkypSH3Oh5Bemg/:cLT405QYtsTEB08T8HehLvU

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

      1743f12fa6cad132ecbec87a60d1b3da0f106aa28c32b3a425348c0f7a108df1.exe

    • Size

      3.6MB

    • MD5

      49587b86bd87a9fb71c8ad078e36b9bd

    • SHA1

      7221a8436832cf30b046be552ad82116f3164ec4

    • SHA256

      1743f12fa6cad132ecbec87a60d1b3da0f106aa28c32b3a425348c0f7a108df1

    • SHA512

      b418b4676a155d7edf25bfc8ecf160cdb59c4b2a6d370682a5894a68db5344e9d94b3941790df2ffce37efebb1cdf6862cb1391db335102aabf73872f3724226

    • SSDEEP

      98304:Snsmtk2ajqXpy05Q0N1rsYSZ6BoXh1kkypSH3Oh5Bemg/:cLT405QYtsTEB08T8HehLvU

    • Modifies Windows Defender Real-time Protection settings

    • Modifies security service

    • Xred

      Xred is backdoor written in Delphi.

    • Xred family

    • Detected Nirsoft tools

      Free utilities often used by attackers which can steal passwords, product keys, etc.

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Suspicious Office macro

      Office document equipped with macros.

    • Checks computer location settings

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

    • Deletes itself

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Modifies Security services

      Modifies the startup behavior of a security service.

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks