General

  • Target
    93d67529cf14412f253e3ffc005e235733a4fea83e999f77fac31a0f581a867c
  • Size 1.1MB
  • Sample240404-21zreadf42
  • SHA256 93d67529cf14412f253e3ffc005e235733a4fea83e999f77fac31a0f581a867c
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      93d67529cf14412f253e3ffc005e235733a4fea83e999f77fac31a0f581a867c
    • Size 1.1MB
    • SHA256 93d67529cf14412f253e3ffc005e235733a4fea83e999f77fac31a0f581a867c
    • MD5 SHA1 SHA512 SSDEEP
    • Modifies WinLogon for persistence

    • Modifies visibility of file extensions in Explorer

    • Modifies visiblity of hidden/system files in Explorer

    • UPX dump on OEP (original entry point)

    • Disables RegEdit via registry modification

    • Sets file execution options in registry

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

    • Reads user/profile data of web browsers

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

    • UPX packed file

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

    • Adds Run key to start application

    • Enumerates connected drives

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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks