General

  • Target

    84b607224b08194b311683727ad11950.exe

  • Size

    246KB

  • Sample

    240227-pee4nagd56

  • MD5

    84b607224b08194b311683727ad11950

  • SHA1

    f40b14acd72941439165a1df48e04a80ab978f34

  • SHA256

    01006e47ba030748e7843e01ec62fdf7970d003931434837fa79cd4b84e3e0e0

  • SHA512

    f83140c375769e3f8eff768b7888de1a6c6a209dbdc60b92c0361b1e331d2fd5968163b0bb32a56b2075d70b5c6c68fed7886d4661d866a634cb70da4144dcf2

  • SSDEEP

    3072:ZjbSZBZLDOAnav+tyPoESrTGpe3HZaBsfCf+NjXjMnN5J5c5f8:ZU+KyPolrTGA3HZssfCWNbWJC5f

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

smokeloader

Botnet

pub1

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

      84b607224b08194b311683727ad11950.exe

    • Size

      246KB

    • MD5

      84b607224b08194b311683727ad11950

    • SHA1

      f40b14acd72941439165a1df48e04a80ab978f34

    • SHA256

      01006e47ba030748e7843e01ec62fdf7970d003931434837fa79cd4b84e3e0e0

    • SHA512

      f83140c375769e3f8eff768b7888de1a6c6a209dbdc60b92c0361b1e331d2fd5968163b0bb32a56b2075d70b5c6c68fed7886d4661d866a634cb70da4144dcf2

    • SSDEEP

      3072:ZjbSZBZLDOAnav+tyPoESrTGpe3HZaBsfCf+NjXjMnN5J5c5f8:ZU+KyPolrTGA3HZssfCWNbWJC5f

    • 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.

    • Creates new service(s)

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Stops running service(s)

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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.

    • 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 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