General

  • Target

    a87755c0f943036da660fcb4d94ef20d.exe

  • Size

    6.2MB

  • Sample

    240104-qv8lksbhb6

  • MD5

    a87755c0f943036da660fcb4d94ef20d

  • SHA1

    cf65049b306a732b4c6c931aa0a348ac55247ffb

  • SHA256

    b74b718bc7d748634e8522ee94e83bf48ca66942c9f8bf88252d908910982fdd

  • SHA512

    0978c37f36ae8d0c9b5efa87f3eeb865d4f31e6bd941a3d147532d5d141aaf60f86d8dbadbed019e8660d2501defb7a667d1ccbf97d9545e225542cb8055d45a

  • SSDEEP

    98304:Rdsae+qCYEe8Nu5/e+Nb9VE7yfmfoQXIC5cfkP93FvTARvXKnqN8ygsAHf:RmGs5/eIBO7yuoY5cEbTQCna8y6Hf

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://185.215.113.68/fks/index.php

rc4.i32
rc4.i32

Targets

    • Target

      a87755c0f943036da660fcb4d94ef20d.exe

    • Size

      6.2MB

    • MD5

      a87755c0f943036da660fcb4d94ef20d

    • SHA1

      cf65049b306a732b4c6c931aa0a348ac55247ffb

    • SHA256

      b74b718bc7d748634e8522ee94e83bf48ca66942c9f8bf88252d908910982fdd

    • SHA512

      0978c37f36ae8d0c9b5efa87f3eeb865d4f31e6bd941a3d147532d5d141aaf60f86d8dbadbed019e8660d2501defb7a667d1ccbf97d9545e225542cb8055d45a

    • SSDEEP

      98304:Rdsae+qCYEe8Nu5/e+Nb9VE7yfmfoQXIC5cfkP93FvTARvXKnqN8ygsAHf:RmGs5/eIBO7yuoY5cEbTQCna8y6Hf

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Detect ZGRat V1

    • Detected google phishing page

    • Modifies Windows Defender Real-time Protection settings

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Windows security modification

    • Accesses Microsoft Outlook profiles

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks