General

  • Target

    e4a158d2103e24a8d05070425c062dda66fac4ef982117009865af6c18b0c71f.exe

  • Size

    1.8MB

  • Sample

    250208-e98dksxkfr

  • MD5

    c48a26db30cbcdea8a59f5f85abc606d

  • SHA1

    70e4a9834a0968fdb4df5b4f96c723e21f8bcc17

  • SHA256

    e4a158d2103e24a8d05070425c062dda66fac4ef982117009865af6c18b0c71f

  • SHA512

    814c8cd5f3314cf1b1eee423498d8175b2c3f934f450906d768a5bdedc4c0f16bd6dd7a6ea6833af693abac74612857dbc7b0d802ac86d78a560b1b345b3a3be

  • SSDEEP

    24576:MtajJyTCp8nrVwiiHIgydiLhcJQUJH5GCiSUsuDBm+ZLJbTl07ijhG90eXlXIjTN:YaVyFOHIgygtTIAPFJb+7ijDeVQFtp

Malware Config

Extracted

Family

stealc

Botnet

reno

C2

http://185.215.113.115

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

amadey

Version

4.42

Botnet

9c9aa5

C2

http://185.215.113.43

Attributes
  • install_dir

    abc3bc1985

  • install_file

    skotes.exe

  • strings_key

    8a35cf2ea38c2817dba29a4b5b25dcf0

  • url_paths

    /Zu7JuNko/index.php

rc4.plain

Targets

    • Target

      e4a158d2103e24a8d05070425c062dda66fac4ef982117009865af6c18b0c71f.exe

    • Size

      1.8MB

    • MD5

      c48a26db30cbcdea8a59f5f85abc606d

    • SHA1

      70e4a9834a0968fdb4df5b4f96c723e21f8bcc17

    • SHA256

      e4a158d2103e24a8d05070425c062dda66fac4ef982117009865af6c18b0c71f

    • SHA512

      814c8cd5f3314cf1b1eee423498d8175b2c3f934f450906d768a5bdedc4c0f16bd6dd7a6ea6833af693abac74612857dbc7b0d802ac86d78a560b1b345b3a3be

    • SSDEEP

      24576:MtajJyTCp8nrVwiiHIgydiLhcJQUJH5GCiSUsuDBm+ZLJbTl07ijhG90eXlXIjTN:YaVyFOHIgygtTIAPFJb+7ijDeVQFtp

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • Amadey family

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • 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.

    • 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 user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • 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.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks