General

  • Target

    eda7932e202bcce9f10d91e5d282bd4114c168f9eaf136cddadb4565bca9dc1b.exe

  • Size

    163KB

  • Sample

    240227-ge7vnshf78

  • MD5

    3f9534333f6ccc480bfeabed25adecd1

  • SHA1

    7b89fd831fc51fae94e0f0a65f4b25303074c406

  • SHA256

    eda7932e202bcce9f10d91e5d282bd4114c168f9eaf136cddadb4565bca9dc1b

  • SHA512

    22ede8f378c57498ecaa3fdbfce1393857721dbddec69047d729ea5629a68ee625ec0141650cd3d5c794477836c8e37c9922fd0904c686d05b2dd3ac4c4aaf8b

  • SSDEEP

    3072:aZ3vfdGdDEaLL3ZnWQ/Qr0A6AVJsbEaBkeL/2UIO8cLzhQr:aFlGdQaP9L9AHsAa6cb8cnhQ

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

lumma

C2

https://resergvearyinitiani.shop/api

https://technologyenterdo.shop/api

https://detectordiscusser.shop/api

https://turkeyunlikelyofw.shop/api

https://associationokeo.shop/api

Targets

    • Target

      eda7932e202bcce9f10d91e5d282bd4114c168f9eaf136cddadb4565bca9dc1b.exe

    • Size

      163KB

    • MD5

      3f9534333f6ccc480bfeabed25adecd1

    • SHA1

      7b89fd831fc51fae94e0f0a65f4b25303074c406

    • SHA256

      eda7932e202bcce9f10d91e5d282bd4114c168f9eaf136cddadb4565bca9dc1b

    • SHA512

      22ede8f378c57498ecaa3fdbfce1393857721dbddec69047d729ea5629a68ee625ec0141650cd3d5c794477836c8e37c9922fd0904c686d05b2dd3ac4c4aaf8b

    • SSDEEP

      3072:aZ3vfdGdDEaLL3ZnWQ/Qr0A6AVJsbEaBkeL/2UIO8cLzhQr:aFlGdQaP9L9AHsAa6cb8cnhQ

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Detect Socks5Systemz Payload

    • 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.

    • Socks5Systemz

      Socks5Systemz is a botnet written in C++.

    • Detect binaries embedding considerable number of MFA browser extension IDs.

    • Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.

    • Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)

    • Detects Windows executables referencing non-Windows User-Agents

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

    • Detects executables Discord URL observed in first stage droppers

    • Detects executables containing URLs to raw contents of a Github gist

    • Detects executables containing artifacts associated with disabling Widnows Defender

    • Detects executables packed with VMProtect.

    • Detects executables referencing many varying, potentially fake Windows User-Agents

    • UPX dump on OEP (original entry point)

    • 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.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks