General

  • Target
    2026-08-12_6ce0df7cc1ff9b5c267a5323c3b6ff27_quasar-rat
  • Size 13.3MB
  • Sample260812-kmpkvasfpb
  • SHA256 f89047790b168e8c90280b08c83b0f7add272cb4b3194c8004a3a24253ae1084
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      2026-08-12_6ce0df7cc1ff9b5c267a5323c3b6ff27_quasar-rat
    • Size 13.3MB
    • SHA256 f89047790b168e8c90280b08c83b0f7add272cb4b3194c8004a3a24253ae1084
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • detects Windows exceutables potentially bypassing UAC using eventvwr.exe

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Enumerates connected drives

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

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Executes a VBScript file via the Windows Script Host.

MITRE ATT&CK Enterprise v16

Tasks