General

  • Target

    f5e680092bbd672fc6bf7a403a7f186365032494dd055b24bcb6801a9d54dc39.exe

  • Size

    2.4MB

  • Sample

    240708-szyy2sybjh

  • MD5

    1777f237c8512068dc8ad44df646b840

  • SHA1

    ac5fd06bab176db78de47f0abdcb28e7fd3762e9

  • SHA256

    f5e680092bbd672fc6bf7a403a7f186365032494dd055b24bcb6801a9d54dc39

  • SHA512

    3a9415e9e8315f4d91d5640542f6e4751ab706a8c54d6b36bf13f0cc042d82db297735705e7abba17f9a9d26334f7c64d2aa2a3cb6831d4f4d1472d71586848c

  • SSDEEP

    49152:C1af7QAF7kaCxwsx8fNlFES5mkHQA0n3vM14QzSFyl+D:C1aDjFQHOzEIEA0E4JFO+

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

      f5e680092bbd672fc6bf7a403a7f186365032494dd055b24bcb6801a9d54dc39.exe

    • Size

      2.4MB

    • MD5

      1777f237c8512068dc8ad44df646b840

    • SHA1

      ac5fd06bab176db78de47f0abdcb28e7fd3762e9

    • SHA256

      f5e680092bbd672fc6bf7a403a7f186365032494dd055b24bcb6801a9d54dc39

    • SHA512

      3a9415e9e8315f4d91d5640542f6e4751ab706a8c54d6b36bf13f0cc042d82db297735705e7abba17f9a9d26334f7c64d2aa2a3cb6831d4f4d1472d71586848c

    • SSDEEP

      49152:C1af7QAF7kaCxwsx8fNlFES5mkHQA0n3vM14QzSFyl+D:C1aDjFQHOzEIEA0E4JFO+

    • 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