General

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    mail.jtrouve.com

  • Port

    587

  • Password

    Wilson82629274*

Extracted

Family
  • danabot

C2
  • 51.178.195.151

  • 51.222.39.81

  • 149.255.35.125

  • 38.68.50.179

  • 51.77.7.204

rsa_pubkey.plain

Extracted

Family
  • asyncrat

Version
  • 0.5.6A

Botnet
  • null

C2
  • mestizo.co.com:6606

  • mestizo.co.com:7707

  • mestizo.co.com:8808

  • mestizo.co.com:8080

  • mestizo.co.com:443

  • mestizo.co.com:80

Mutex
  • mestizo.co.com

Attributes
  • delay

    5

  • install

    true

  • install_file

    system.exe

  • install_folder

    %AppData%

aes.plain

Extracted

Family
  • quasar

Version
  • 1.4.1

Botnet
  • 1.1.1.1

C2
  • lankbos.nl:443

  • vcfdsy.ru.com:443

  • 2mdj56rl.sa.com:443

  • balajisolution.in.net:443

  • betwinners.uk.com:443

  • x88-km88k.com:443

  • x88.diy:443

Mutex
  • 2495675a-72a3-44ca-8d46-4ed85eb7a6b9

Attributes
  • encryption_key

    2DA8E1B5D18EAA4561218BCAF7CC51C403CE73ED

  • install_name

    1.1.1.1.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Download 1.1.1.1

  • subdirectory

    1.1.1.1

Extracted

Family
  • remcos

Version
  • 7.1.0 Pro

Botnet
  • RemoteHost

C2
  • 45.9.168.220:2404

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-WJE1B2

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Extracted

Family
  • asyncrat

Version
  • 0.5.7B

Botnet
  • Default

C2
  • mestizo.co.com:6606

  • mestizo.co.com:7707

  • mestizo.co.com:8808

  • mestizo.co.com:443

  • mestizo.co.com:80

  • mestizo.co.com:22

  • cooltool.jp.net:6606

  • cooltool.jp.net:7707

  • cooltool.jp.net:8808

  • cooltool.jp.net:443

  • cooltool.jp.net:80

  • cooltool.jp.net:22

  • holidayonid.com.co:6606

  • holidayonid.com.co:7707

  • holidayonid.com.co:8808

  • holidayonid.com.co:443

  • holidayonid.com.co:80

  • holidayonid.com.co:22

  • e-shop.it.com:6606

  • e-shop.it.com:7707

Mutex
  • xgclgdlwruwu

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Extracted

Family
  • agenttesla

Credentials

Extracted

Family
  • quasar

Version
  • 1.3.0.0

Botnet
  • Office04

C2
  • 1ss.giize.com:4782

Mutex
  • QSR_MUTEX_YXvDkakkTa95pYJiBi

Attributes
  • encryption_key

    W6mh6SrE80kqVFtg7jLM

  • install_name

    explorer.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Microsoft® Windows® Operating System

  • subdirectory

    Explore

Extracted

Family
  • quasar

Version
  • 1.4.1

Botnet
  • Office_01

C2
  • 777x.you:443

  • 777x.you:80

  • 777x.you:53

  • 777x.you:4782

  • task.777x.you:4782

  • screenshot.777x.you:4782

  • 172.67.149.77:443

  • 172.67.149.77:53

  • 172.67.149.77:80

  • 104.21.79.230:80

  • 104.21.79.230:443

  • 104.21.79.230:53

Mutex
  • 8a696d75-45ed-48a0-ab49-627404810817

Attributes
  • encryption_key

    03A003D1E44CA6AA3F7998D506A994B428CE8D0F

  • install_name

    Clientchrome.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Startup

  • subdirectory

    setup

Targets

    • Async RAT payload

    • Detects Stuxnet

    • DiamondFox stealer

    • Family: AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • Family: AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • Family: Danabot

      Danabot is a modular banking Trojan that has been linked with other malware.

    • Family: DiamondFox

      DiamondFox is a multipurpose botnet with many capabilities.

    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Family: Remcos

      Remcos is a closed-source remote control and surveillance software.

    • Family: RuRAT

      RuRAT is a remote admin tool sold as legitimate software but regularly abused in malicious phishing campaigns.

    • Family: Stuxnet

      Stuxnet is a backdoor written in C++.

    • Family: njRAT/Bladabindi

      Widely used RAT written in .NET.

    • Family: xmrig

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

    • Quasar payload

    • XMRig Miner payload

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Patched UPX-packed file

      Sample is packed with UPX but required header fields are zeroed out to prevent unpacking with the default UPX tool.

    • Checks computer location settings

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

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

    • Office macro that triggers on suspicious action

      Office document macro which triggers in special circumstances - often malicious.

    • 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 user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • 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.

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Looks up external IP address via web service

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

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v16

Tasks