General

  • Target

    https://cdn.discordapp.com/attachments/1000572518157009029/1234801457908158474/sigmahacks0.2.exe?ex=66320df9&is=6630bc79&hm=32d8335c0bc9574827769609a3ec2f384d1c7acf88a515c00c3b38079c24a063&

  • Sample

    240430-p3y7fafd5s

Malware Config

Targets

    • Target

      https://cdn.discordapp.com/attachments/1000572518157009029/1234801457908158474/sigmahacks0.2.exe?ex=66320df9&is=6630bc79&hm=32d8335c0bc9574827769609a3ec2f384d1c7acf88a515c00c3b38079c24a063&

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Sets file execution options in registry

    • Executes dropped EXE

    • Loads dropped DLL

    • Registers COM server for autorun

    • 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

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Checks system information in the registry

      System information is often read in order to detect sandboxing environments.

    • Detected potential entity reuse from brand microsoft.

    • Drops file in System32 directory

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks