General

  • Target
    2026-08-01_e285493e78bb47efe631538345cc0f04_glassworm_icedid_luca-stealer_njrat
  • Size 31.8MB
  • Sample260801-s16qaazblb
  • SHA256 fc06481206fb5b7e537fefcce77cbb66405aff275d0a65b42dbdd456ac210330
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • neptunerat

C2
  • eell-50912.portmap.host:50912

Attributes
  • filename

    USB.exe

  • group

    MasonGroup

  • key

    Is380JldlaUyfljK

  • rat_name

    MasonRAT

Targets

    • Target
      2026-08-01_e285493e78bb47efe631538345cc0f04_glassworm_icedid_luca-stealer_njrat
    • Size 31.8MB
    • SHA256 fc06481206fb5b7e537fefcce77cbb66405aff275d0a65b42dbdd456ac210330
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects NeptuneRAT stealer

    • Family: NeptuneRAT, MasonRAT

      NeptuneRAT aka MasonRAT is a trojan written in C#.

    • Detects PowerShell content designed to retrieve passwords from host

    • Detects Windows executables referencing non-Windows User-Agents

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers

    • Detects executables containing SQL queries to confidential data stores. Observed in infostealers

    • Detects executables containing URLs to raw contents of a Github gist

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

MITRE ATT&CK Enterprise v16

Tasks