General

  • Target

    random.exe

  • Size

    1.8MB

  • Sample

    241121-tmwtlaxqgl

  • MD5

    b58725b0a514974aae36a20730adc4b3

  • SHA1

    a99eb4395fc9a95cad952a7d4bd444fb3baa9103

  • SHA256

    a64238bb65c406ec9ef9267f96de8b2ff4a2dc1998859970f2b7399aed50db76

  • SHA512

    21ed4926463abff571fa30161607cfc58ef2106683295830764a6008d9e6c1228271966c951c030b13db295217b7f568797ebf74fb02a4ed86d198a34d9b7a29

  • SSDEEP

    49152:ugpWvpPq4PRzgbjv65CIjyoNaA1bKGfBMK:usWvzgbkaA1TSK

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

stealc

Botnet

mars

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      random.exe

    • Size

      1.8MB

    • MD5

      b58725b0a514974aae36a20730adc4b3

    • SHA1

      a99eb4395fc9a95cad952a7d4bd444fb3baa9103

    • SHA256

      a64238bb65c406ec9ef9267f96de8b2ff4a2dc1998859970f2b7399aed50db76

    • SHA512

      21ed4926463abff571fa30161607cfc58ef2106683295830764a6008d9e6c1228271966c951c030b13db295217b7f568797ebf74fb02a4ed86d198a34d9b7a29

    • SSDEEP

      49152:ugpWvpPq4PRzgbjv65CIjyoNaA1bKGfBMK:usWvzgbkaA1TSK

    • Amadey

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

    • Amadey family

    • Detect Socks5Systemz Payload

    • Socks5Systemz

      Socks5Systemz is a botnet written in C++.

    • Socks5systemz family

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

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

    • Downloads MZ/PE file

    • 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

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks