General

  • Target

    file.exe

  • Size

    1.8MB

  • Sample

    241123-al64dsypbr

  • MD5

    066cba2d7733ba1cf42fb68ab5e404a6

  • SHA1

    9242932a584dad639c7366054592089d8b436714

  • SHA256

    bee7221ed233c2f0c6309199bea905c595543fff90790ef42a4985c9301a86e1

  • SHA512

    93541a04d5a9ab45f5bfc8effaed08840db76caab826cb2d85455481b541b9c6e243226caa20234ff614af7816021a0185a26317e89877d4212cc5566daabdde

  • SSDEEP

    49152:8vB0uAvFQWCY5RctB17VNEwvBLGqMUwUEor2Mp:+B0FQdmCBNV3puUhP

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

      1.8MB

    • MD5

      066cba2d7733ba1cf42fb68ab5e404a6

    • SHA1

      9242932a584dad639c7366054592089d8b436714

    • SHA256

      bee7221ed233c2f0c6309199bea905c595543fff90790ef42a4985c9301a86e1

    • SHA512

      93541a04d5a9ab45f5bfc8effaed08840db76caab826cb2d85455481b541b9c6e243226caa20234ff614af7816021a0185a26317e89877d4212cc5566daabdde

    • SSDEEP

      49152:8vB0uAvFQWCY5RctB17VNEwvBLGqMUwUEor2Mp:+B0FQdmCBNV3puUhP

    • 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

MITRE ATT&CK Enterprise v15

Tasks