General

  • Target

    x96dbg.exe

  • Size

    159KB

  • Sample

    241123-x7ebtssldw

  • MD5

    87dec2da662392c63a651d10cbbe0898

  • SHA1

    21231309b3f4ec1992ba19208961fd4608857767

  • SHA256

    d9053d9fdf92a3ead1a32b68d5c04dfb004d83ea0f63e6b7a3562949488ace07

  • SHA512

    71a6023b560417856ce844d83d6f533543f969ff2bb8a08f75697bba5e84a1042bedd0cf40093fabd4de67160c642f63529526dff6e3913e1a965b87795094fa

  • SSDEEP

    3072:SoySV3aN84y+vcZH7DQsIo4iFkQqqh0Ek2B:DjD5PQ1iAqSt2B

Malware Config

Targets

    • Target

      x96dbg.exe

    • Size

      159KB

    • MD5

      87dec2da662392c63a651d10cbbe0898

    • SHA1

      21231309b3f4ec1992ba19208961fd4608857767

    • SHA256

      d9053d9fdf92a3ead1a32b68d5c04dfb004d83ea0f63e6b7a3562949488ace07

    • SHA512

      71a6023b560417856ce844d83d6f533543f969ff2bb8a08f75697bba5e84a1042bedd0cf40093fabd4de67160c642f63529526dff6e3913e1a965b87795094fa

    • SSDEEP

      3072:SoySV3aN84y+vcZH7DQsIo4iFkQqqh0Ek2B:DjD5PQ1iAqSt2B

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • A potential corporate email address has been identified in the URL: [email protected]

    • Checks BIOS information in registry

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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Adds Run key to start application

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Downloads MZ/PE file

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • 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.

    • Mark of the Web detected: This indicates that the page was originally saved or cloned.

    • Network Share Discovery

      Attempt to gather information on host network.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks