General

  • Target

    file.exe

  • Size

    1.9MB

  • Sample

    241123-rneklaspdl

  • MD5

    699f4008683185b4a050b05ace13d601

  • SHA1

    70d47e8921906a344885c279afa34522658bf06d

  • SHA256

    ffc9a0fe541652271756108c9b20010b9f99024c69bc81111076ae8a132ae733

  • SHA512

    64fd7f8ba560dc9ff4718d2087755b76cc815edcdbaf124ba5f7f3b5f633a0870266e71d4bd42fcc041ffdaa087d2dd0b5cb7e9cd592534cd46b52307fa3b28c

  • SSDEEP

    49152:PnkIJ9x3pmw2y1U0/VA9D2qK1ODPV69VjisvJ:PkIJb52y1K9aqGZ

Malware Config

Extracted

Family

amadey

Version

4.42

Botnet

9c9aa5

C2

http://185.215.113.43

Attributes
  • install_dir

    abc3bc1985

  • install_file

    skotes.exe

  • strings_key

    8a35cf2ea38c2817dba29a4b5b25dcf0

  • url_paths

    /Zu7JuNko/index.php

rc4.plain

Extracted

Family

stealc

Botnet

mars

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      file.exe

    • Size

      1.9MB

    • MD5

      699f4008683185b4a050b05ace13d601

    • SHA1

      70d47e8921906a344885c279afa34522658bf06d

    • SHA256

      ffc9a0fe541652271756108c9b20010b9f99024c69bc81111076ae8a132ae733

    • SHA512

      64fd7f8ba560dc9ff4718d2087755b76cc815edcdbaf124ba5f7f3b5f633a0870266e71d4bd42fcc041ffdaa087d2dd0b5cb7e9cd592534cd46b52307fa3b28c

    • SSDEEP

      49152:PnkIJ9x3pmw2y1U0/VA9D2qK1ODPV69VjisvJ:PkIJb52y1K9aqGZ

    • Amadey

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

    • Amadey family

    • CryptBot

      CryptBot is a C++ stealer distributed widely in bundle with other software.

    • Cryptbot family

    • Detects CryptBot payload

      CryptBot is a C++ stealer distributed widely in bundle with other software.

    • Modifies Windows Defender Real-time Protection settings

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

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

    • Downloads MZ/PE file

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • 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

    • Reads user/profile data of web browsers

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

    • Windows security modification

    • 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks