General

  • Target

    1a8911253a58c87f88292cf3345d292838ef8eab.rl

  • Size

    1.8MB

  • Sample

    240226-sca9gagh43

  • MD5

    ae958708e0be8f0c0911e450cf71dc52

  • SHA1

    1a8911253a58c87f88292cf3345d292838ef8eab

  • SHA256

    4b44ce9da2d83d7fbd6238e6350ab35ec8a49b7a286c5270a299aaf41a5568dd

  • SHA512

    1a9fa2d8e17b767ec9e706f9f648d792e323fb5dbd526c6e3a00e5bab92794aeaf65c9f31a3cdf92389115f8fa08fcede5589f41e9bc2b4472ced5cecc520df3

  • SSDEEP

    24576:CNl8jdsS/zt0irzPPos/NdV17PW59ZN2mh4LIndj2wUtVzC2K/jODet4FZj5u5Fi:DjeS7t0goK17O55h4LwKwEK/jl2ovyf

Malware Config

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

redline

Botnet

@oni912

C2

45.15.156.209:40481

Extracted

Family

amadey

Version

4.17

C2

http://185.215.113.32

Attributes
  • strings_key

    461809bd97c251ba0c0c8450c7055f1d

  • url_paths

    /yandex/index.php

rc4.plain

Extracted

Family

gcleaner

C2

185.172.128.90

5.42.64.3

5.42.65.115

Extracted

Family

lumma

C2

https://triangleseasonbenchwj.shop/api

https://gemcreedarticulateod.shop/api

https://secretionsuitcasenioise.shop/api

https://claimconcessionrebe.shop/api

https://liabilityarrangemenyit.shop/api

Targets

    • Target

      1a8911253a58c87f88292cf3345d292838ef8eab.rl

    • Size

      1.8MB

    • MD5

      ae958708e0be8f0c0911e450cf71dc52

    • SHA1

      1a8911253a58c87f88292cf3345d292838ef8eab

    • SHA256

      4b44ce9da2d83d7fbd6238e6350ab35ec8a49b7a286c5270a299aaf41a5568dd

    • SHA512

      1a9fa2d8e17b767ec9e706f9f648d792e323fb5dbd526c6e3a00e5bab92794aeaf65c9f31a3cdf92389115f8fa08fcede5589f41e9bc2b4472ced5cecc520df3

    • SSDEEP

      24576:CNl8jdsS/zt0irzPPos/NdV17PW59ZN2mh4LIndj2wUtVzC2K/jODet4FZj5u5Fi:DjeS7t0goK17O55h4LwKwEK/jl2ovyf

    • Amadey

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

    • GCleaner

      GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

    • 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.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • 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 unregistered version of .NET Reactor

    • 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.

    • 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.

    • 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.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks