General

  • Target
    b4e094a5fafc8ab2c37a32137b1df21a.bin
  • Size 375.2MB
  • Sample240326-ee111sff3t
  • SHA256 dcdd4aaad5178efc26cbff22432e0a327622aed85bc74e323f07156014fcdae8
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      b4e094a5fafc8ab2c37a32137b1df21a.bin
    • Size 375.2MB
    • SHA256 dcdd4aaad5178efc26cbff22432e0a327622aed85bc74e323f07156014fcdae8
    • MD5 SHA1 SHA512 SSDEEP
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • 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.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Adds Run key to start application

    • 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 v15

Tasks