Resubmissions

27-02-2024 22:35

240227-2hznpadc26 10

27-02-2024 21:38

240227-1g4etacc7w 10

27-02-2024 21:31

240227-1debhscb6x 10

General

  • Target

    5c666aed70980ea1d08ad44459eaacaa.exe

  • Size

    251KB

  • Sample

    240227-1g4etacc7w

  • MD5

    5c666aed70980ea1d08ad44459eaacaa

  • SHA1

    800d5a7826018c9ca3093cca18b41989d086a370

  • SHA256

    b5724d1ea8d2a379e0989ab74ab7719ed93d94dee8638b3dc31e53569cc36107

  • SHA512

    fdf44e1c4ee18a8d67334cce30a22cf391ad48ad95c92f858f35e2090cd5cf5029240a2e7bbe4a7a924d75d5c3c9c616115baeb02af08c2c285e46f53312a5fc

  • SSDEEP

    3072:P8UIlpfiFIKQwJRcPRlg558KEakxbZsSXl5lWdjm6RbXfHg55bevCTFyx:PhFS+RcKGbxd5XlPWjmizvwbpT

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

      5c666aed70980ea1d08ad44459eaacaa.exe

    • Size

      251KB

    • MD5

      5c666aed70980ea1d08ad44459eaacaa

    • SHA1

      800d5a7826018c9ca3093cca18b41989d086a370

    • SHA256

      b5724d1ea8d2a379e0989ab74ab7719ed93d94dee8638b3dc31e53569cc36107

    • SHA512

      fdf44e1c4ee18a8d67334cce30a22cf391ad48ad95c92f858f35e2090cd5cf5029240a2e7bbe4a7a924d75d5c3c9c616115baeb02af08c2c285e46f53312a5fc

    • SSDEEP

      3072:P8UIlpfiFIKQwJRcPRlg558KEakxbZsSXl5lWdjm6RbXfHg55bevCTFyx:PhFS+RcKGbxd5XlPWjmizvwbpT

    • 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

    • Writes to the Master Boot Record (MBR)

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

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks