General

  • Target

    484adfde525d22084a7f76bda3340e3e6e170b9bcdf7ef998b52bddd0b1edef6.exe

  • Size

    2.0MB

  • Sample

    250224-sxh5tazms6

  • MD5

    ab71f09ba4cccbb2d75707dbc2f2075a

  • SHA1

    0b79524fd6a74924377f566d7257a3b838d9c185

  • SHA256

    484adfde525d22084a7f76bda3340e3e6e170b9bcdf7ef998b52bddd0b1edef6

  • SHA512

    d86df0eca8080253cd8c6c692ed558c76a58a8d71dfb8eeaf506eb246f97cdc99b03fecff7d3a0bef6da5373fa22b2e76342c9134f61ca3cebffaf31e5f979ab

  • SSDEEP

    49152:I8AgzfLPLaVf+yRqi50W0LKoxmG05hx6z28H2Ho:I8AofLWVf9H2moxm5txo2I

Malware Config

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

Extracted

Family

tofsee

C2

vanaheim.cn

jotunheim.name

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://185.215.113.16/mine/random.exe

Extracted

Family

stealc

Botnet

reno

C2

http://185.215.113.115

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      484adfde525d22084a7f76bda3340e3e6e170b9bcdf7ef998b52bddd0b1edef6.exe

    • Size

      2.0MB

    • MD5

      ab71f09ba4cccbb2d75707dbc2f2075a

    • SHA1

      0b79524fd6a74924377f566d7257a3b838d9c185

    • SHA256

      484adfde525d22084a7f76bda3340e3e6e170b9bcdf7ef998b52bddd0b1edef6

    • SHA512

      d86df0eca8080253cd8c6c692ed558c76a58a8d71dfb8eeaf506eb246f97cdc99b03fecff7d3a0bef6da5373fa22b2e76342c9134f61ca3cebffaf31e5f979ab

    • SSDEEP

      49152:I8AgzfLPLaVf+yRqi50W0LKoxmG05hx6z28H2Ho:I8AofLWVf9H2moxm5txo2I

    • 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

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • Tofsee family

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • 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 user/profile data of local email clients

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

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks