Resubmissions

02/07/2026, 01:40

260702-b3qcmsay4y10

02/07/2026, 01:18

260702-bny18sg17k10

General

  • Target
    ByteBreaker V1_95459322.exe
  • Size 583KB
  • Sample260702-b3qcmsay4y
  • SHA256 ddbd930cf742882ea6cc10ea5495f8aec24003664b81257c1b3900f3627b6684
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      ByteBreaker V1_95459322.exe
    • Size 583KB
    • SHA256 ddbd930cf742882ea6cc10ea5495f8aec24003664b81257c1b3900f3627b6684
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: Customer Loader

      Customer Loader is a downloader written in C#.

    • 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.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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