General

  • Target

    89003d7b5b3e53f0c5a907f54fb5041f74823c6221ed7d1881b2df0c1c839878

  • Size

    1.8MB

  • Sample

    241116-xdwzsa1hjb

  • MD5

    6986cf9f141facdc42ca26837ac826b4

  • SHA1

    4debcecec6769bb1bf12a927ca0acaa499f18786

  • SHA256

    89003d7b5b3e53f0c5a907f54fb5041f74823c6221ed7d1881b2df0c1c839878

  • SHA512

    706397ab64cb05bd856347dd3d8e772ae7413310b0203faf976d15d902bd43b947e40c20d5ea2006823d652c3169304b2257a793c1595e47d80a26b20b8b3225

  • SSDEEP

    49152:mq86WhZcaeelqk4e1g4hjB/030PMWiAS6zEB+S4Hyo:mq86WDeOJDg4hjhm0PsV374S

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

Extracted

Family

amadey

Version

5.03

Botnet

7c4393

C2

http://185.215.113.217

Attributes
  • install_dir

    f9c76c1660

  • install_file

    corept.exe

  • strings_key

    9808a67f01d2f0720518035acbde7521

  • url_paths

    /CoreOPT/index.php

rc4.plain

Targets

    • Target

      89003d7b5b3e53f0c5a907f54fb5041f74823c6221ed7d1881b2df0c1c839878

    • Size

      1.8MB

    • MD5

      6986cf9f141facdc42ca26837ac826b4

    • SHA1

      4debcecec6769bb1bf12a927ca0acaa499f18786

    • SHA256

      89003d7b5b3e53f0c5a907f54fb5041f74823c6221ed7d1881b2df0c1c839878

    • SHA512

      706397ab64cb05bd856347dd3d8e772ae7413310b0203faf976d15d902bd43b947e40c20d5ea2006823d652c3169304b2257a793c1595e47d80a26b20b8b3225

    • SSDEEP

      49152:mq86WhZcaeelqk4e1g4hjB/030PMWiAS6zEB+S4Hyo:mq86WDeOJDg4hjhm0PsV374S

    • 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 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.

    • 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks