General

  • Target
    ByteBreaker V2_13448010.exe
  • Size 702KB
  • Sample260831-abbvhasclg
  • SHA256 87aff4322a85cb375376f38d294a052cc9a31e4d40db5583f5b34fa93aa155d5
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      ByteBreaker V2_13448010.exe
    • Size 702KB
    • SHA256 87aff4322a85cb375376f38d294a052cc9a31e4d40db5583f5b34fa93aa155d5
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Downloads MZ/PE file

    • Checks BIOS information in registry

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

    • Executes dropped EXE

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Contacts third-party web service commonly abused for C2

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

    • Network Share Discovery

      Attempt to gather information on host network.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v16

Tasks