General

  • Target

    file.exe

  • Size

    1.7MB

  • Sample

    241117-s9bw9ssmfx

  • MD5

    fb7f52e927eb080353dad4ee04ed6928

  • SHA1

    671c3191dbe04a2837d626ef461d2040367a0787

  • SHA256

    781d3d06701d435632f81208b7b250177dc7225c99fa9858e278044d8bb0291a

  • SHA512

    e148446d01347d4fe7dd661255e6b61e8bdf8b0659d3290b656f1aabd1b0fd2875bcd0ce0719479669329fbd899781ebba73f9ebe7ff61625f227620c5af9607

  • SSDEEP

    24576:Uk8ikdzh0PdGFbFzY4PE7H8jeifnC8YVdTBrnAL4MYzYsC1SNlH3i1+MpGOTj6sB:peG0+yC82BrALaVNd3mlDfwVjF

Malware Config

Extracted

Family

stealc

Botnet

mars

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      file.exe

    • Size

      1.7MB

    • MD5

      fb7f52e927eb080353dad4ee04ed6928

    • SHA1

      671c3191dbe04a2837d626ef461d2040367a0787

    • SHA256

      781d3d06701d435632f81208b7b250177dc7225c99fa9858e278044d8bb0291a

    • SHA512

      e148446d01347d4fe7dd661255e6b61e8bdf8b0659d3290b656f1aabd1b0fd2875bcd0ce0719479669329fbd899781ebba73f9ebe7ff61625f227620c5af9607

    • SSDEEP

      24576:Uk8ikdzh0PdGFbFzY4PE7H8jeifnC8YVdTBrnAL4MYzYsC1SNlH3i1+MpGOTj6sB:peG0+yC82BrALaVNd3mlDfwVjF

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

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

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks