General

  • Target

    0fe60d38a012cbbc7826e71a7798d5f4cf0b7e0c1261fd1075ac7962edf9dae8

  • Size

    1.7MB

  • Sample

    250225-la58haskw3

  • MD5

    2c551665f9aede12bca1a595a505d546

  • SHA1

    bef290d0c1b2a44bc8db3bdf6f8c2a0c03fe3a87

  • SHA256

    0fe60d38a012cbbc7826e71a7798d5f4cf0b7e0c1261fd1075ac7962edf9dae8

  • SHA512

    3922d7eedfcb625c9a6263cc9769c1b9454dec49d17bcb565afa95efa48b28bc3187ba6568462257b3f307781edb1c24f46c3cd26c038c694c2dd6de58a48ace

  • SSDEEP

    49152:QudKsAH9fUg66v64TolQmELH9Fq2gHJXbt9jX8qw:rdAdfpv6duVGdhmqw

Malware Config

Extracted

Family

stealc

Botnet

reno

C2

http://185.215.113.115

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      0fe60d38a012cbbc7826e71a7798d5f4cf0b7e0c1261fd1075ac7962edf9dae8

    • Size

      1.7MB

    • MD5

      2c551665f9aede12bca1a595a505d546

    • SHA1

      bef290d0c1b2a44bc8db3bdf6f8c2a0c03fe3a87

    • SHA256

      0fe60d38a012cbbc7826e71a7798d5f4cf0b7e0c1261fd1075ac7962edf9dae8

    • SHA512

      3922d7eedfcb625c9a6263cc9769c1b9454dec49d17bcb565afa95efa48b28bc3187ba6568462257b3f307781edb1c24f46c3cd26c038c694c2dd6de58a48ace

    • SSDEEP

      49152:QudKsAH9fUg66v64TolQmELH9Fq2gHJXbt9jX8qw:rdAdfpv6duVGdhmqw

    • 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