General

  • Target
    data0.bin
  • Size 107.5MB
  • Sample240811-3d56caycph
  • SHA256 a653745c5da2c86b3ad137d82c20eb3f23a07e229362c068f0b01071cb448d53
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      data0.bin
    • Size 107.5MB
    • SHA256 a653745c5da2c86b3ad137d82c20eb3f23a07e229362c068f0b01071cb448d53
    • MD5 SHA1 SHA512 SSDEEP
    • Modifies Windows Defender Real-time Protection settings

    • Modifies Windows Defender notification settings

    • Modifies visiblity of hidden/system files in Explorer

    • RMS

      Remote Manipulator System (RMS) is a remote access tool developed by Russian organization TektonIT.

    • Grants admin privileges

      Uses net.exe to modify the user's privileges.

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

    • Remote Service Session Hijacking: RDP Hijacking

      Adversaries may hijack a legitimate user's remote desktop session to move laterally within an environment.

    • Blocks application from running via registry modification

      Adds application to list of disallowed applications.

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Server Software Component: Terminal Services DLL

    • Stops running service(s)

    • 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

    • Modifies file permissions

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Legitimate hosting services abused for malware hosting/C2

    • Modifies WinLogon

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Hide Artifacts: Hidden Users

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks