General

  • Target
    c9143f61e975f257ee9624960e521806.exe
  • Size 2.1MB
  • Sample230119-ss2rcsdc9x
  • SHA256 6b446c595c43f7865d622bbb1fba8a5f9eb29417ad5804eaba868789df87a183
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      c9143f61e975f257ee9624960e521806.exe
    • Size 2.1MB
    • SHA256 6b446c595c43f7865d622bbb1fba8a5f9eb29417ad5804eaba868789df87a183
    • MD5 SHA1 SHA512 SSDEEP
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Registers COM server for autorun

    • Sets file execution options in registry

    • 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.

    • Loads dropped DLL

    • Adds Run key to start application

    • 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

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v6

Tasks