General

  • Target

    ac980b5cf3bf87c2646c29969aaa25ff25e63f58bad66a4db98e81f98a3cb395

  • Size

    1.8MB

  • Sample

    240720-sj4vcs1gnp

  • MD5

    4c4b3ab5a3585886c61f2196330be874

  • SHA1

    31f66e71ac832fff02394525ff6828438a98b902

  • SHA256

    ac980b5cf3bf87c2646c29969aaa25ff25e63f58bad66a4db98e81f98a3cb395

  • SHA512

    7bf3406cacf76ff374e5eba9125e2d278178fe3867f53dd5ad46c23b4f12b29a631dd0870183e5cad4945270eca090e9b2cb0380d1a8d652a7c46a522bd2423d

  • SSDEEP

    49152:M4lyrNmjQfikqd3J32GGiKLq/JhBMgRnAmC0+2AN:M4QeTJGGGiKLqvBmDf

Malware Config

Extracted

Family

amadey

Version

4.30

Botnet

4dd39d

C2

http://77.91.77.82

Attributes
  • install_dir

    ad40971b6b

  • install_file

    explorti.exe

  • strings_key

    a434973ad22def7137dbb5e059b7081e

  • url_paths

    /Hun4Ko/index.php

rc4.plain

Extracted

Family

stealc

Botnet

default

C2

http://85.28.47.31

Attributes
  • url_path

    /5499d72b3a3e55be.php

Targets

    • Target

      ac980b5cf3bf87c2646c29969aaa25ff25e63f58bad66a4db98e81f98a3cb395

    • Size

      1.8MB

    • MD5

      4c4b3ab5a3585886c61f2196330be874

    • SHA1

      31f66e71ac832fff02394525ff6828438a98b902

    • SHA256

      ac980b5cf3bf87c2646c29969aaa25ff25e63f58bad66a4db98e81f98a3cb395

    • SHA512

      7bf3406cacf76ff374e5eba9125e2d278178fe3867f53dd5ad46c23b4f12b29a631dd0870183e5cad4945270eca090e9b2cb0380d1a8d652a7c46a522bd2423d

    • SSDEEP

      49152:M4lyrNmjQfikqd3J32GGiKLq/JhBMgRnAmC0+2AN:M4QeTJGGGiKLqvBmDf

    • Amadey

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

    • Stealc

      Stealc is an infostealer written in C++.

    • 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

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks