General

  • Target
    sonoyuncuclient.exe
  • Size 13.4MB
  • Sample260910-b76kestcme
  • SHA256 a9106e8cad93054ba781e6f4ce24ad249faa88543f588cb91b7619412b83ef36
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      sonoyuncuclient.exe
    • Size 13.4MB
    • SHA256 a9106e8cad93054ba781e6f4ce24ad249faa88543f588cb91b7619412b83ef36
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • 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

    • Checks whether UAC is enabled

    • Enumerates connected drives

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v16

Tasks