General

  • Target
    74b0cc79808464e9946c8fb16d430173.exe
  • Size 253KB
  • Sample240224-23dlyshc4w
  • SHA256 66cab13aed3126ab1755e139bf5c2a9c7782dfd36ebeb7078045b5ec107dc4a3
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2022

C2
  • http://selebration17io.io/index.php

  • http://vacantion18ffeu.cc/index.php

  • http://valarioulinity1.net/index.php

  • http://buriatiarutuhuob.net/index.php

  • http://cassiosssionunu.me/index.php

  • http://sulugilioiu19.net/index.php

  • http://goodfooggooftool.net/index.php

  • http://kamsmad.com/tmp/index.php

  • http://souzhensil.ru/tmp/index.php

  • http://teplokub.com.ua/tmp/index.php

rc4.i32
rc4.i32
rc4.i32
rc4.i32

Extracted

Family
  • systembc

C2
  • 173.44.141.149:4001

  • 153.92.222.162:4001

Extracted

Family
  • smokeloader

Botnet
  • pub1

Extracted

Family
  • stealc

C2
  • http://185.172.128.145

Attributes
  • url_path

    /3cd2b41cbde8fc9c.php

Extracted

Family
  • lumma

C2
  • https://resergvearyinitiani.shop/api

  • https://technologyenterdo.shop/api

  • https://detectordiscusser.shop/api

  • https://turkeyunlikelyofw.shop/api

  • https://associationokeo.shop/api

Targets

    • Target
      74b0cc79808464e9946c8fb16d430173.exe
    • Size 253KB
    • SHA256 66cab13aed3126ab1755e139bf5c2a9c7782dfd36ebeb7078045b5ec107dc4a3
    • MD5 SHA1 SHA512 SSDEEP
    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • Lumma Stealer

      An infostealer written in C++ first seen in August 2022.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Stealc

      Stealc is an infostealer written in C++.

    • SystemBC

      SystemBC is a proxy and remote administration tool first seen in 2019.

    • Windows security bypass

    • Modifies boot configuration data using bcdedit

    • Creates new service(s)

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Possible attempt to disable PatchGuard

      Rootkits can use kernel patching to embed themselves in an operating system.

    • Stops running service(s)

    • Deletes itself

    • Executes dropped EXE

    • 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.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Windows security modification

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • Manipulates WinMon driver.

      Roottkits write to WinMon to hide PIDs from being detected.

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks