General

  • Target

    df624045456b86591ea841c96f916e3a32d7538d251bdfc17a82a846be2f9830

  • Size

    1.8MB

  • Sample

    240421-f4jcyacd32

  • MD5

    76bf879e4e7afed947824f6b1a016ec7

  • SHA1

    85b75c10f40f6133403330f63523c37b56b05b3d

  • SHA256

    df624045456b86591ea841c96f916e3a32d7538d251bdfc17a82a846be2f9830

  • SHA512

    98d2f4e44d182a1d01405ce7a8eeb083efea56b7c0267e1aadfa462dd98a2fc1cc997f53f31d2d1a80cb4ab312595c85816ac1d197fdb7d9898623e744f514d1

  • SSDEEP

    49152:FpS2LefU+NClB+KgAM7pWaR7qBH2ZIPTgT:Fg2yf7NQB+XA8pNWs

Malware Config

Extracted

Family

amadey

Version

4.17

C2

http://193.233.132.167

Attributes
  • install_dir

    4d0ab15804

  • install_file

    chrosha.exe

  • strings_key

    1a9519d7b465e1f4880fa09a6162d768

  • url_paths

    /enigma/index.php

rc4.plain

Targets

    • Target

      df624045456b86591ea841c96f916e3a32d7538d251bdfc17a82a846be2f9830

    • Size

      1.8MB

    • MD5

      76bf879e4e7afed947824f6b1a016ec7

    • SHA1

      85b75c10f40f6133403330f63523c37b56b05b3d

    • SHA256

      df624045456b86591ea841c96f916e3a32d7538d251bdfc17a82a846be2f9830

    • SHA512

      98d2f4e44d182a1d01405ce7a8eeb083efea56b7c0267e1aadfa462dd98a2fc1cc997f53f31d2d1a80cb4ab312595c85816ac1d197fdb7d9898623e744f514d1

    • SSDEEP

      49152:FpS2LefU+NClB+KgAM7pWaR7qBH2ZIPTgT:Fg2yf7NQB+XA8pNWs

    • Amadey

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

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

    • Blocklisted process makes network request

    • 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

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • Reads user/profile data of web browsers

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks