General

  • Target

    5986af20c5aa3b134f85fc08b1da2e3851f644bb9c7b8774377599e444dbcc26

  • Size

    2.4MB

  • Sample

    240708-gyk51syale

  • MD5

    0fcabb02e9c168593cc61b64c0f6c5bd

  • SHA1

    bd3bd73b7fa13549695b7c522fa0549a34d29c84

  • SHA256

    5986af20c5aa3b134f85fc08b1da2e3851f644bb9c7b8774377599e444dbcc26

  • SHA512

    c6c0fe81ccfa44079841ba65c2a559d1f2d205c821c7bd4d0d3b84e42bbc09f24e7291d1c3f6261ace648be1a4ff3025e0d04adbe02fa685d6961cdf7990fa52

  • SSDEEP

    49152:GHXu21cjgUrly0RC8ktX9MnONR0DRrJOWBpSJtQqUHgsRREJq/WvRgNK2o9z:YXP9wE08ttX3z0xmt6HgsRRE0/WvRgs2

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

      5986af20c5aa3b134f85fc08b1da2e3851f644bb9c7b8774377599e444dbcc26

    • Size

      2.4MB

    • MD5

      0fcabb02e9c168593cc61b64c0f6c5bd

    • SHA1

      bd3bd73b7fa13549695b7c522fa0549a34d29c84

    • SHA256

      5986af20c5aa3b134f85fc08b1da2e3851f644bb9c7b8774377599e444dbcc26

    • SHA512

      c6c0fe81ccfa44079841ba65c2a559d1f2d205c821c7bd4d0d3b84e42bbc09f24e7291d1c3f6261ace648be1a4ff3025e0d04adbe02fa685d6961cdf7990fa52

    • SSDEEP

      49152:GHXu21cjgUrly0RC8ktX9MnONR0DRrJOWBpSJtQqUHgsRREJq/WvRgNK2o9z:YXP9wE08ttX3z0xmt6HgsRRE0/WvRgs2

    • 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