General

  • Target

    6c4670501df76e9dc5dcf5a5f62fee61a1f659f2c2cee7be8f585f7340388bf4.exe

  • Size

    1.8MB

  • Sample

    250216-wfsjpsvka1

  • MD5

    4bec7cca24d57b4da653d93dd6c80b1c

  • SHA1

    f42b31551ce22fa400419562af7a7e7677a7e947

  • SHA256

    6c4670501df76e9dc5dcf5a5f62fee61a1f659f2c2cee7be8f585f7340388bf4

  • SHA512

    48c47ed918f8f73261210aa3c532d7b5902bae86c1a55f9bf577e3df074f4c91dec5d943d1a1ab8c099d7211156bb815510152de3be7ece21b29421a9ed0e8ea

  • SSDEEP

    49152:QGck28YDYSldTatcjXY4mkI0X2HkjqcXGkMraxj:MVnDDukXYGI0XoyzXIY

Malware Config

Extracted

Family

stealc

Botnet

reno

C2

http://185.215.113.115

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      6c4670501df76e9dc5dcf5a5f62fee61a1f659f2c2cee7be8f585f7340388bf4.exe

    • Size

      1.8MB

    • MD5

      4bec7cca24d57b4da653d93dd6c80b1c

    • SHA1

      f42b31551ce22fa400419562af7a7e7677a7e947

    • SHA256

      6c4670501df76e9dc5dcf5a5f62fee61a1f659f2c2cee7be8f585f7340388bf4

    • SHA512

      48c47ed918f8f73261210aa3c532d7b5902bae86c1a55f9bf577e3df074f4c91dec5d943d1a1ab8c099d7211156bb815510152de3be7ece21b29421a9ed0e8ea

    • SSDEEP

      49152:QGck28YDYSldTatcjXY4mkI0X2HkjqcXGkMraxj:MVnDDukXYGI0XoyzXIY

    • 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.

    • Reads user/profile data of web browsers

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

    • 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