Resubmissions

22/02/2024, 01:08

240222-bhbzhsab77 10

General

  • Target

    1334bbd7e0d0d3bb073194939f7dada8.bin

  • Size

    135KB

  • Sample

    240222-bhbzhsab77

  • MD5

    1334bbd7e0d0d3bb073194939f7dada8

  • SHA1

    1b94edaf8a275a4c2e2ec6550a4567fd2048dcf4

  • SHA256

    c89ac5cb4dbb4116ed1d3b9630aac5a927066938e5b4a24649cf09116882a146

  • SHA512

    e960d3ea5bda9f39afb449fed300e9863dbbc7ee1c216cd8fa4b681316f78515316bb1fb1f7b4743d689b6a5896f2d4b6bb4a52052d2a298af210888cacf8336

  • SSDEEP

    1536:KjHKFCXmbMDnue3MtblERG2rnWQ19hfEgDld5kvG8tZC3PHpJLs/QEGAI7yn+ovO:kHKCXmW3VV1VDldmvGu6Q/wAI7y7+Vg

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

rc4.i32
rc4.i32

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

      1334bbd7e0d0d3bb073194939f7dada8.bin

    • Size

      135KB

    • MD5

      1334bbd7e0d0d3bb073194939f7dada8

    • SHA1

      1b94edaf8a275a4c2e2ec6550a4567fd2048dcf4

    • SHA256

      c89ac5cb4dbb4116ed1d3b9630aac5a927066938e5b4a24649cf09116882a146

    • SHA512

      e960d3ea5bda9f39afb449fed300e9863dbbc7ee1c216cd8fa4b681316f78515316bb1fb1f7b4743d689b6a5896f2d4b6bb4a52052d2a298af210888cacf8336

    • SSDEEP

      1536:KjHKFCXmbMDnue3MtblERG2rnWQ19hfEgDld5kvG8tZC3PHpJLs/QEGAI7yn+ovO:kHKCXmW3VV1VDldmvGu6Q/wAI7y7+Vg

    • 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++.

    • Windows security bypass

    • 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.

    • 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.

    • 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