General

  • Target

    270d3f441e678ec516527bf25c20023d.exe

  • Size

    261KB

  • Sample

    240228-cahmrsge6w

  • MD5

    270d3f441e678ec516527bf25c20023d

  • SHA1

    4664604103288d56244609208fd8de851a5599a0

  • SHA256

    d6567cc8e6b82d69347065de9fa8c7d2441ee63185ac52fe0e5e4bc6b2642910

  • SHA512

    b534d84edfd01c4e926b65ba0ddc6604954ef025a012ef6ae1c33e54ee912fcc9f206fd1b4f82247be2938c38716ee13f643d40da4a18290097d9459532cb8c1

  • SSDEEP

    3072:rHYuRgCFBQh1Sjw67WXFsFk3zXnE20P+UX/Ig5JiT+yx:DFw1SjBWVsGz3E/+QQAiT

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

      270d3f441e678ec516527bf25c20023d.exe

    • Size

      261KB

    • MD5

      270d3f441e678ec516527bf25c20023d

    • SHA1

      4664604103288d56244609208fd8de851a5599a0

    • SHA256

      d6567cc8e6b82d69347065de9fa8c7d2441ee63185ac52fe0e5e4bc6b2642910

    • SHA512

      b534d84edfd01c4e926b65ba0ddc6604954ef025a012ef6ae1c33e54ee912fcc9f206fd1b4f82247be2938c38716ee13f643d40da4a18290097d9459532cb8c1

    • SSDEEP

      3072:rHYuRgCFBQh1Sjw67WXFsFk3zXnE20P+UX/Ig5JiT+yx:DFw1SjBWVsGz3E/+QQAiT

    • 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

    • 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.

    • Writes to the Master Boot Record (MBR)

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks