General

  • Target
    xxxxxxxxxxxc_protected.exe
  • Size 11.0MB
  • Sample261027-xp84gswvhx
  • SHA256 2fc5535bd25b6a3c5217c4c1c1ee6f32664f64eb22b4f6d0698075c460630369
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      xxxxxxxxxxxc_protected.exe
    • Size 11.0MB
    • SHA256 2fc5535bd25b6a3c5217c4c1c1ee6f32664f64eb22b4f6d0698075c460630369
    • 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.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • Contacts third-party web service commonly abused for C2

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

    • 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 v16

Tasks