General

  • Target
    My Logo.txt
  • Size 810B
  • Sample230422-q6cnaagg7z
  • SHA256 d99bf38cb207b2d5824898f2a9f2a15cc18635380087b4800e8b3e14594a7376
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • stealerium

C2
  • https://discord.com/api/webhooks/1095395235925860562/XJKTcwaCabyMW-BfMqoZcV1Cdz4AG_yTryi6C2h1zfneacs22tdMKRBmOj0nL4Bx8vi0

Targets

    • Target
      My Logo.txt
    • Size 810B
    • SHA256 d99bf38cb207b2d5824898f2a9f2a15cc18635380087b4800e8b3e14594a7376
    • MD5 SHA1 SHA512
    • Stealerium

      An open source info stealer written in C# first seen in May 2022.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

    • Registers COM server for autorun

    • UPX packed file

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

    • 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.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Enterprise v6

Tasks