General

  • Target

    9bcd9e7b8d3962b9c7e916adbf6a3607d5896fa4ddbfa93f66d2936c7bf4028a.exe

  • Size

    2.3MB

  • Sample

    240707-bl2z4szbjj

  • MD5

    f67955cfab8640045aceb6164bdeb97a

  • SHA1

    6fe39115b905c9e0f4e40194fe6ec72992866968

  • SHA256

    9bcd9e7b8d3962b9c7e916adbf6a3607d5896fa4ddbfa93f66d2936c7bf4028a

  • SHA512

    f169ba40d33de8aecb4070282d8e261fdf5c9c643fa5a7d5b65f53b67ac8728772d27a62b76c7b8d56f2000ff51bdb3946242ffda0eed7d6e98a9ff33715a01e

  • SSDEEP

    49152:LoAHhITFGrJruVMN0h0W7XQd86VUEshuoVMycQ+G3HbE:LATFWJrfChn7XKMVmQ+G37E

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

      9bcd9e7b8d3962b9c7e916adbf6a3607d5896fa4ddbfa93f66d2936c7bf4028a.exe

    • Size

      2.3MB

    • MD5

      f67955cfab8640045aceb6164bdeb97a

    • SHA1

      6fe39115b905c9e0f4e40194fe6ec72992866968

    • SHA256

      9bcd9e7b8d3962b9c7e916adbf6a3607d5896fa4ddbfa93f66d2936c7bf4028a

    • SHA512

      f169ba40d33de8aecb4070282d8e261fdf5c9c643fa5a7d5b65f53b67ac8728772d27a62b76c7b8d56f2000ff51bdb3946242ffda0eed7d6e98a9ff33715a01e

    • SSDEEP

      49152:LoAHhITFGrJruVMN0h0W7XQd86VUEshuoVMycQ+G3HbE:LATFWJrfChn7XKMVmQ+G37E

    • 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