General

  • Target

    http://tinyurl.com/sg-ishop-changi

  • Sample

    240523-bd3xfafh84

Malware Config

Targets

    • Target

      http://tinyurl.com/sg-ishop-changi

    • Downloads MZ/PE file

    • Modifies Installed Components in the registry

    • Sets file execution options in registry

    • Executes dropped EXE

    • Loads dropped DLL

    • Registers COM server for autorun

    • Adds Run key to start application

    • 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

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Checks system information in the registry

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

    • Drops file in System32 directory

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

4
T1547

Registry Run Keys / Startup Folder

4
T1547.001

Browser Extensions

1
T1176

Privilege Escalation

Boot or Logon Autostart Execution

4
T1547

Registry Run Keys / Startup Folder

4
T1547.001

Defense Evasion

Modify Registry

6
T1112

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Tasks