General

  • Target
    jaffacakes118_b9c096a4efbd8d76f350700fecb51971991e5fe6522651bccded54db1514dd2e.bin
  • Size 3.6MB
  • Sample260910-y2x3esgl7v
  • SHA256 b9c096a4efbd8d76f350700fecb51971991e5fe6522651bccded54db1514dd2e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      jaffacakes118_b9c096a4efbd8d76f350700fecb51971991e5fe6522651bccded54db1514dd2e.bin
    • Size 3.6MB
    • SHA256 b9c096a4efbd8d76f350700fecb51971991e5fe6522651bccded54db1514dd2e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Modifies security service

    • Detected Nirsoft tools

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

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • NirSoft NirCmd

      NirCmd is a lightweight Windows command-line tool for automating system tasks

    • Sets service image path in registry

      This determines the executable launched when a service starts. It can be used to establish persistence.

    • Checks BIOS information in registry

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

    • Checks computer location settings

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

    • Disables service(s)

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Stops running service(s)

    • Adds Run key to start application

    • Discovers running processes

      Running process information can be used to identify security tools or plan follow-on actions.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v16

Tasks