General

  • Target
    VolcanoInstaller.exe
  • Size 79.0MB
  • Sample261104-vr8jmayt3n
  • SHA256 ad9980f7ee976fc67a044b0288127c1033b70526a804ee629fbcbcc5f805a62e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      VolcanoInstaller.exe
    • Size 79.0MB
    • SHA256 ad9980f7ee976fc67a044b0288127c1033b70526a804ee629fbcbcc5f805a62e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Modifies Windows Defender notification settings

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

    • Boot or Logon Autostart Execution: Active Setup

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

    • Modifies Windows Firewall

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks whether UAC is enabled

    • Enumerates connected drives

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

    • Network Share Discovery

      Attempt to gather information on host network.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v16

Tasks