General

  • Target

    66712bcbf2d38f8f011ecc1b9c702a24ebdc0e4b0cda204260367d4b0aaed7e8

  • Size

    1.8MB

  • Sample

    241111-qn5w4syngs

  • MD5

    4b7dfcaa037ef68cbeea9387e85c4b51

  • SHA1

    ae087875daff67fc3c89bf923b4b7cdb5875da50

  • SHA256

    66712bcbf2d38f8f011ecc1b9c702a24ebdc0e4b0cda204260367d4b0aaed7e8

  • SHA512

    fdd9c90a3a4e13496e26a0cafe162cce554165370c9a8f28bf05aec363b8b2d36cc5545553b3baa0887a379934a1517c94d60f280ca495d3462ac551f742a7bc

  • SSDEEP

    49152:hIb8X+n1lV/RJLpKnTddwBzDCpip88NE8XtXitA4jfU02:ubuU59pKnLwBPCK6uCA4jc02

Malware Config

Extracted

Family

amadey

Version

4.41

Botnet

fed3aa

C2

http://185.215.113.16

Attributes
  • install_dir

    44111dbc49

  • install_file

    axplong.exe

  • strings_key

    8d0ad6945b1a30a186ec2d30be6db0b5

  • url_paths

    /Jo89Ku7d/index.php

rc4.plain

Extracted

Family

stealc

Botnet

default_valenciga

C2

http://185.215.113.17

Attributes
  • url_path

    /2fb6c2cc8dce150a.php

Targets

    • Target

      66712bcbf2d38f8f011ecc1b9c702a24ebdc0e4b0cda204260367d4b0aaed7e8

    • Size

      1.8MB

    • MD5

      4b7dfcaa037ef68cbeea9387e85c4b51

    • SHA1

      ae087875daff67fc3c89bf923b4b7cdb5875da50

    • SHA256

      66712bcbf2d38f8f011ecc1b9c702a24ebdc0e4b0cda204260367d4b0aaed7e8

    • SHA512

      fdd9c90a3a4e13496e26a0cafe162cce554165370c9a8f28bf05aec363b8b2d36cc5545553b3baa0887a379934a1517c94d60f280ca495d3462ac551f742a7bc

    • SSDEEP

      49152:hIb8X+n1lV/RJLpKnTddwBzDCpip88NE8XtXitA4jfU02:ubuU59pKnLwBPCK6uCA4jc02

    • Amadey

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

    • Amadey family

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Suspicious use of NtCreateUserProcessOtherParentProcess

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

    • 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

    • Sets service image path in registry

    • 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 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses Microsoft Outlook accounts

    • Accesses Microsoft Outlook profiles

    • 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.

    • Checks whether UAC is enabled

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks