General

  • Target

    0c0de283d3c6871b2ec8c9f511017f301294885e33841ff6fe753f47511417d3

  • Size

    1.7MB

  • Sample

    250219-clwnrswpv2

  • MD5

    8b6980e83eb616053aeff6fe2a3c6224

  • SHA1

    f0090a30e164da4ccad453e40980ec639ae0f1da

  • SHA256

    0c0de283d3c6871b2ec8c9f511017f301294885e33841ff6fe753f47511417d3

  • SHA512

    afe8d516df200461804d8333e0c29e2cac5628b095f3f3c264820e8990f25be067885c4aefaba8a7b84dfa92f1c7802b3cc05528c7e3b4e4402555299676d02f

  • SSDEEP

    49152:RVKm80LEVntwx9Ddb5CMZJ0w8NwXwI/fcuD/:3hEzi95lCMZ/9cg

Malware Config

Extracted

Family

stealc

Botnet

reno

C2

http://185.215.113.115

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      0c0de283d3c6871b2ec8c9f511017f301294885e33841ff6fe753f47511417d3

    • Size

      1.7MB

    • MD5

      8b6980e83eb616053aeff6fe2a3c6224

    • SHA1

      f0090a30e164da4ccad453e40980ec639ae0f1da

    • SHA256

      0c0de283d3c6871b2ec8c9f511017f301294885e33841ff6fe753f47511417d3

    • SHA512

      afe8d516df200461804d8333e0c29e2cac5628b095f3f3c264820e8990f25be067885c4aefaba8a7b84dfa92f1c7802b3cc05528c7e3b4e4402555299676d02f

    • SSDEEP

      49152:RVKm80LEVntwx9Ddb5CMZJ0w8NwXwI/fcuD/:3hEzi95lCMZ/9cg

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Downloads MZ/PE file

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • Checks BIOS information in registry

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

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

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

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks