General

  • Target

    enhanced_dual_monitor_background_2_2.jpeg

  • Size

    528KB

  • Sample

    241005-vxm5waxfln

  • MD5

    a5a8c399817f21f11cfca2fb48c43e63

  • SHA1

    19ced298b6025f14c25fa1a15c46928ae2f83462

  • SHA256

    3f9fb1143d74fc0ae4cd8a7a9ee3ce2eb24a3d653c7ead843dfba4d0e4ca53de

  • SHA512

    792df82f5b01ca861ddcbea1359e04addacee977a4907d3ba7d809fb9dc82fc7279b96e3001dca10acc93a229dee94c30ddd8edd79dba62cd210a3789fac81ce

  • SSDEEP

    12288:QOGvUIECAbtciT8ugZSc88Y3M3ikpEbH6Sudya2gbjUG3Rkes:VGvbECAbGI8CcSMtG6dUGhkes

Malware Config

Targets

    • Target

      enhanced_dual_monitor_background_2_2.jpeg

    • Size

      528KB

    • MD5

      a5a8c399817f21f11cfca2fb48c43e63

    • SHA1

      19ced298b6025f14c25fa1a15c46928ae2f83462

    • SHA256

      3f9fb1143d74fc0ae4cd8a7a9ee3ce2eb24a3d653c7ead843dfba4d0e4ca53de

    • SHA512

      792df82f5b01ca861ddcbea1359e04addacee977a4907d3ba7d809fb9dc82fc7279b96e3001dca10acc93a229dee94c30ddd8edd79dba62cd210a3789fac81ce

    • SSDEEP

      12288:QOGvUIECAbtciT8ugZSc88Y3M3ikpEbH6Sudya2gbjUG3Rkes:VGvbECAbGI8CcSMtG6dUGhkes

    • BadRabbit

      Ransomware family discovered in late 2017, mainly targeting Russia and Ukraine.

    • Modifies visibility of file extensions in Explorer

    • UAC bypass

    • Renames multiple (95) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Contacts a large (537) amount of remote hosts

      This may indicate a network scan to discover remotely running services.

    • Downloads MZ/PE file

    • Event Triggered Execution: Image File Execution Options Injection

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • 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

    • Checks for any installed AV software in registry

    • Checks installed software on the system

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

    • Checks whether UAC is enabled

    • Enumerates connected drives

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

    • Legitimate hosting services abused for malware hosting/C2

    • Mark of the Web detected: This indicates that the page was originally saved or cloned.

    • Writes to the Master Boot Record (MBR)

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

    • Checks system information in the registry

      System information is often read in order to detect sandboxing environments.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks