General

  • Target

    e499e8022dd2df0e3204a5fc7061b290c429ab845940efa4f782f988a9930317.exe

  • Size

    231KB

  • Sample

    240322-d6hs3sac8z

  • MD5

    2334b1e2f8d58a4b1baa904c359ebf91

  • SHA1

    9fd9f700d8a23375b5b2204702146c13402e590b

  • SHA256

    e499e8022dd2df0e3204a5fc7061b290c429ab845940efa4f782f988a9930317

  • SHA512

    65afbed0c0d80a298e34369bb0f04bc3ac2abe1f861bc052e3b11714ecc3e6e0ae6a9f84d440ec68f63a4a32f4c5564b5705fa97192fb8856a0192fb93ca5897

  • SSDEEP

    6144:bm6z4HbT8z7f09l/hh3UfPlQk9vsGPaXzbHszA:C6z4Hn8z7faRHklQkRsys/iA

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://nidoe.org/tmp/index.php

http://sodez.ru/tmp/index.php

http://uama.com.ua/tmp/index.php

http://talesofpirates.net/tmp/index.php

rc4.i32
rc4.i32
rc4.i32
rc4.i32

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

stealc

C2

http://185.172.128.209

Attributes
  • url_path

    /3cd2b41cbde8fc9c.php

Extracted

Family

amadey

Version

4.17

C2

http://185.215.113.32

Attributes
  • install_dir

    00c07260dc

  • install_file

    explorgu.exe

  • strings_key

    461809bd97c251ba0c0c8450c7055f1d

  • url_paths

    /yandex/index.php

rc4.plain

Extracted

Family

lumma

C2

https://resergvearyinitiani.shop/api

https://herdbescuitinjurywu.shop/api

https://relevantvoicelesskw.shop/api

https://asleepfulltytarrtw.shop/api

Targets

    • Target

      e499e8022dd2df0e3204a5fc7061b290c429ab845940efa4f782f988a9930317.exe

    • Size

      231KB

    • MD5

      2334b1e2f8d58a4b1baa904c359ebf91

    • SHA1

      9fd9f700d8a23375b5b2204702146c13402e590b

    • SHA256

      e499e8022dd2df0e3204a5fc7061b290c429ab845940efa4f782f988a9930317

    • SHA512

      65afbed0c0d80a298e34369bb0f04bc3ac2abe1f861bc052e3b11714ecc3e6e0ae6a9f84d440ec68f63a4a32f4c5564b5705fa97192fb8856a0192fb93ca5897

    • SSDEEP

      6144:bm6z4HbT8z7f09l/hh3UfPlQk9vsGPaXzbHszA:C6z4Hn8z7faRHklQkRsys/iA

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • 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

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

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

    • 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

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • UPX dump on OEP (original entry point)

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • 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.

    • 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 NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks