General

  • Target
    file.exe
  • Size 262KB
  • Sample221231-s1bvxahg86
  • SHA256 479f9253f773df40c8a62dea98f513993d6c3bd93c7b89f123e1bd4279eec66c
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      file.exe
    • Size 262KB
    • SHA256 479f9253f773df40c8a62dea98f513993d6c3bd93c7b89f123e1bd4279eec66c
    • MD5 SHA1 SHA512 SSDEEP
    • Detects Smokeloader packer

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

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

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook accounts

    • Accesses Microsoft Outlook profiles

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks