General

  • Target
    kythy.exe
  • Size 13.6MB
  • Sample260623-pgdzdacw9q
  • SHA256 cccaa74eb48cc6152f062bff6416def6922875ff7da6bbd2fac5f75b3332493b
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • hijackloader

Attributes
  • directory

    %APPDATA%\advadapter_prod

  • inject_dll

    %windir%\SysWOW64\input.dll

xor.hex
xor.hex

Targets

    • Target
      kythy.exe
    • Size 13.6MB
    • SHA256 cccaa74eb48cc6152f062bff6416def6922875ff7da6bbd2fac5f75b3332493b
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects HijackLoader (aka IDAT Loader)

    • Family: HijackLoader, IDAT loader, Ghostulse,

      HijackLoader is a multi-stage loader, first seen in 2023.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

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

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks