General

  • Target

    file.exe

  • Size

    2.3MB

  • Sample

    240708-ahq8rsshrl

  • MD5

    c6af01962d0de9d10623edafbddce24c

  • SHA1

    22c5c1c8ee8aaa7a9e7ea7bd9ef3192f662e8b72

  • SHA256

    c9155f89c82b6043a474addbc6afd42ea2fd30c242fcb99266fbf0b6b94ec4ed

  • SHA512

    13aef4f40d0eec90663ea3a3c30aaf3e9e12ac2c32652f9c303b130a2866dde8229adb40330fdf7fb603c552e5414f00ad32ce6fd244442474cf68bbcc741701

  • SSDEEP

    49152:YkI1MLbjnXAsJ1aeuD4BBLQeXc4GVGh8uqEVUMwzImEFv0cu1hrPO:YdwbjX7JsXD4BlZsYlUBIlcP

Malware Config

Extracted

Family

stealc

Botnet

Nice

C2

http://85.28.47.30

Attributes
  • url_path

    /920475a59bac849d.php

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

Targets

    • Target

      file.exe

    • Size

      2.3MB

    • MD5

      c6af01962d0de9d10623edafbddce24c

    • SHA1

      22c5c1c8ee8aaa7a9e7ea7bd9ef3192f662e8b72

    • SHA256

      c9155f89c82b6043a474addbc6afd42ea2fd30c242fcb99266fbf0b6b94ec4ed

    • SHA512

      13aef4f40d0eec90663ea3a3c30aaf3e9e12ac2c32652f9c303b130a2866dde8229adb40330fdf7fb603c552e5414f00ad32ce6fd244442474cf68bbcc741701

    • SSDEEP

      49152:YkI1MLbjnXAsJ1aeuD4BBLQeXc4GVGh8uqEVUMwzImEFv0cu1hrPO:YdwbjX7JsXD4BlZsYlUBIlcP

    • 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

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks