General

  • Target

    5ff0249330e662805cd00089c294494833c800637af670ee25e7abd5079ca66d

  • Size

    138KB

  • Sample

    240226-cb1jzaaa58

  • MD5

    7394f4c6c1fd8d8dc1aa26e88959a08b

  • SHA1

    1b20e4a51a66e4c82270e6669547bf47dd966fad

  • SHA256

    5ff0249330e662805cd00089c294494833c800637af670ee25e7abd5079ca66d

  • SHA512

    e3946f65cd60d90d514fa156d0b5c2376ca25b25c73831739314b3537ff8075d98c6dabe020bde03b78ccf7f2862c56eaa08f9979ec6a5a536852b94ee7dd90c

  • SSDEEP

    3072:wE9RRTH+b0OSz2yECR4d8F5ZnhgD1s6FAB:5XT+b0OByECKGJyDm6

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

      5ff0249330e662805cd00089c294494833c800637af670ee25e7abd5079ca66d

    • Size

      138KB

    • MD5

      7394f4c6c1fd8d8dc1aa26e88959a08b

    • SHA1

      1b20e4a51a66e4c82270e6669547bf47dd966fad

    • SHA256

      5ff0249330e662805cd00089c294494833c800637af670ee25e7abd5079ca66d

    • SHA512

      e3946f65cd60d90d514fa156d0b5c2376ca25b25c73831739314b3537ff8075d98c6dabe020bde03b78ccf7f2862c56eaa08f9979ec6a5a536852b94ee7dd90c

    • SSDEEP

      3072:wE9RRTH+b0OSz2yECR4d8F5ZnhgD1s6FAB:5XT+b0OByECKGJyDm6

    • 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.

    • Pitou

      Pitou.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Windows security bypass

    • Modifies boot configuration data using bcdedit

    • Contacts a large (771) amount of remote hosts

      This may indicate a network scan to discover remotely running services.

    • Creates new service(s)

    • Downloads MZ/PE file

    • 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 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