General

  • Target

    bc2796baf224cadcc10d05098583dbf3004337e036c096de81743749660264b5

  • Size

    1.8MB

  • Sample

    240704-22lk6sxaje

  • MD5

    c744613507ca1ec80e3892e1dc855e0c

  • SHA1

    3191d6c4c1dc3991acbc56f612b79b9ca47346c0

  • SHA256

    bc2796baf224cadcc10d05098583dbf3004337e036c096de81743749660264b5

  • SHA512

    0812b7cdc081f1189077e47ff6e4eaf68d269e6192f6dd9ff664d6334c373fc7803edcebf6eb5d5003b5e1d07373d2e26464f363856ee27b62d66467047ecc74

  • SSDEEP

    24576:hdb0RQIA25kBiMlzjJT8i2JJfMhMNoRNJrNgjYLK3TMLEFEiInunZjV3jYmle2bR:URQ/9BJjJYioTALWTeYjV3rtQf3Jup

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

      bc2796baf224cadcc10d05098583dbf3004337e036c096de81743749660264b5

    • Size

      1.8MB

    • MD5

      c744613507ca1ec80e3892e1dc855e0c

    • SHA1

      3191d6c4c1dc3991acbc56f612b79b9ca47346c0

    • SHA256

      bc2796baf224cadcc10d05098583dbf3004337e036c096de81743749660264b5

    • SHA512

      0812b7cdc081f1189077e47ff6e4eaf68d269e6192f6dd9ff664d6334c373fc7803edcebf6eb5d5003b5e1d07373d2e26464f363856ee27b62d66467047ecc74

    • SSDEEP

      24576:hdb0RQIA25kBiMlzjJT8i2JJfMhMNoRNJrNgjYLK3TMLEFEiInunZjV3jYmle2bR:URQ/9BJjJYioTALWTeYjV3rtQf3Jup

    • 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