General

  • Target

    4b44ce9da2d83d7fbd6238e6350ab35ec8a49b7a286c5270a299aaf41a5568dd.exe

  • Size

    1.8MB

  • Sample

    240224-klhe5sfe71

  • 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

stealc

C2

http://185.172.128.145

Attributes
  • url_path

    /3cd2b41cbde8fc9c.php

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

      4b44ce9da2d83d7fbd6238e6350ab35ec8a49b7a286c5270a299aaf41a5568dd.exe

    • 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.

    • 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

    • Stealc

      Stealc is an infostealer written in C++.

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • Contacts a large (4174) amount of remote hosts

      This may indicate a network scan to discover remotely running services.

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

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

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

    • Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion

    • Detects executables containing SQL queries to confidential data stores. Observed in infostealers

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

    • Detects executables containing possible sandbox analysis VM names

    • Detects executables containing possible sandbox analysis VM usernames

    • Detects executables manipulated with Fody

    • Detects executables packed with unregistered version of .NET Reactor

    • Detects executables using Telegram Chat Bot

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

    • UPX dump on OEP (original entry point)

    • XMRig Miner payload

    • Blocklisted process makes network request

    • Creates new service(s)

    • Downloads MZ/PE file

    • Stops running service(s)

    • 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.

    • Drops startup file

    • 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 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

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Creates a large amount of network flows

      This may indicate a network scan to discover remotely running services.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks