General

  • Target

    visualg30.exe

  • Size

    2.1MB

  • Sample

    240322-n1n31sdg4v

  • MD5

    36fb63a101d290483ed09989aa4c7f6c

  • SHA1

    84b775d25f9b504e23daa7c76c1e0df4490c8bd7

  • SHA256

    7b297fb338e2ca7004ed55b42aef215c17a1a1d44b27cff50b6dc9be6dd3becf

  • SHA512

    2527c9f7e76b187c8af7caa66648ca7fb083a9423158d60f33e8278b998677528ac828775237a787999839662226b080d4133e4e4679eb42ad45919048c95eab

  • SSDEEP

    24576:QQzMutrAdKcZxwO8cOW278GvERkz6zcl1CVbRlkujjW9qpMKy1x8YUtmCkhP4+5j:QolMXzRh1fzcl14jFKC7BmCGw+8rW

Malware Config

Targets

    • Target

      visualg30.exe

    • Size

      2.1MB

    • MD5

      36fb63a101d290483ed09989aa4c7f6c

    • SHA1

      84b775d25f9b504e23daa7c76c1e0df4490c8bd7

    • SHA256

      7b297fb338e2ca7004ed55b42aef215c17a1a1d44b27cff50b6dc9be6dd3becf

    • SHA512

      2527c9f7e76b187c8af7caa66648ca7fb083a9423158d60f33e8278b998677528ac828775237a787999839662226b080d4133e4e4679eb42ad45919048c95eab

    • SSDEEP

      24576:QQzMutrAdKcZxwO8cOW278GvERkz6zcl1CVbRlkujjW9qpMKy1x8YUtmCkhP4+5j:QolMXzRh1fzcl14jFKC7BmCGw+8rW

    • Downloads MZ/PE file

    • Modifies Installed Components in the registry

    • Sets file execution options in registry

    • Executes dropped EXE

    • Loads dropped DLL

    • Registers COM server for autorun

    • Adds Run key to start application

    • 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

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Checks system information in the registry

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

    • Drops file in System32 directory

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks