General

  • Target
    1284ee327c41d0da06a2838194d2376ed3d92f0dfec9dac63a52238c8125740f.exe
  • Size 13.9MB
  • Sample240725-bwebsszdmn
  • SHA256 1284ee327c41d0da06a2838194d2376ed3d92f0dfec9dac63a52238c8125740f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      1284ee327c41d0da06a2838194d2376ed3d92f0dfec9dac63a52238c8125740f.exe
    • Size 13.9MB
    • SHA256 1284ee327c41d0da06a2838194d2376ed3d92f0dfec9dac63a52238c8125740f
    • MD5 SHA1 SHA512 SSDEEP
    • Blackmoon, KrBanker

      Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.

    • Detect Blackmoon payload

    • Detect Neshta payload

    • Detect PurpleFox Rootkit

      Detect PurpleFox Rootkit.

    • Neshta

      Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

    • PurpleFox

      PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

    • Reads user/profile data of web browsers

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

    • UPX packed file

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

    • Adds Run key to start application

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Writes to the Master Boot Record (MBR)

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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks