General

  • Target

    fc985029c18d988ac51f5ca659d0e87d188595087ce7193df2e7e2cfc823ccfe

  • Size

    1.8MB

  • Sample

    240705-jpk5rsvcnp

  • MD5

    7afb321a93c0df79fb5d52562452b1d9

  • SHA1

    6e9155299347021055565dfe24954189d71306a8

  • SHA256

    fc985029c18d988ac51f5ca659d0e87d188595087ce7193df2e7e2cfc823ccfe

  • SHA512

    790db7a00da0841462a566542411f565f044085bc55cca8581d27b7b48bd8cf9de69e35cce419a128f69a9ed0c38801ef987e58c7482bae6e09978eb2c8f4152

  • SSDEEP

    49152:u5c0AzYKjpXWt3x6QUEpPMdrx4zZ78Q2Wu+i1:PYttz6drGSWub1

Malware Config

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

Extracted

Family

stealc

Botnet

Nice

C2

http://85.28.47.30

Attributes
  • url_path

    /920475a59bac849d.php

Targets

    • Target

      fc985029c18d988ac51f5ca659d0e87d188595087ce7193df2e7e2cfc823ccfe

    • Size

      1.8MB

    • MD5

      7afb321a93c0df79fb5d52562452b1d9

    • SHA1

      6e9155299347021055565dfe24954189d71306a8

    • SHA256

      fc985029c18d988ac51f5ca659d0e87d188595087ce7193df2e7e2cfc823ccfe

    • SHA512

      790db7a00da0841462a566542411f565f044085bc55cca8581d27b7b48bd8cf9de69e35cce419a128f69a9ed0c38801ef987e58c7482bae6e09978eb2c8f4152

    • SSDEEP

      49152:u5c0AzYKjpXWt3x6QUEpPMdrx4zZ78Q2Wu+i1:PYttz6drGSWub1

    • 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