General

  • Target

    https://cdn.discordapp.com/attachments/1375822216314224822/1389358030377975939/Solara-Executor-1.25_.rar?ex=686453ff&is=6863027f&hm=e1e0687cf46b66458a41a6ac32cd0a77d2524baf5785ce191327b559bbd08134&

  • Sample

    250701-fz127aen4s

Malware Config

Targets

    • Target

      https://cdn.discordapp.com/attachments/1375822216314224822/1389358030377975939/Solara-Executor-1.25_.rar?ex=686453ff&is=6863027f&hm=e1e0687cf46b66458a41a6ac32cd0a77d2524baf5785ce191327b559bbd08134&

    • A stealer written in Python and packaged with Pyinstaller

    • Blankgrabber family

    • blankgrabber

      Blankgrabber is an infostealer written in Python and packaged with Pyinstaller.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • 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

    • Enumerates connected drives

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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Enumerates processes with tasklist

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v16

Tasks