General

  • Target
    NLBrute.exe
  • Size 7.8MB
  • Sample260828-e3b2sssyc1
  • SHA256 86075030d410bad230c74db8c1cbbd7c0d2fbb62c49b812d0a57671773c2e2c5
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      NLBrute.exe
    • Size 7.8MB
    • SHA256 86075030d410bad230c74db8c1cbbd7c0d2fbb62c49b812d0a57671773c2e2c5
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • 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.

    • 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.

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Discovers running processes

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

MITRE ATT&CK Enterprise v16

Tasks