General

  • Target

    file.exe

  • Size

    1.8MB

  • Sample

    241123-1cfg7axnaz

  • MD5

    a218b8e66f929d65cea126f98f026c66

  • SHA1

    cf2500d00b460084217583f5f63921e197744488

  • SHA256

    2e0d3b67009872c61328c5904a23832e6b6617de8bf756533b1804bb56719d05

  • SHA512

    46e95b24d1f74f57a02e2aca0745af63622520fa804e10fd3a251f78cab028013da8e7982a9ed0318711a78e36e33eb9ea494e58d834bd18a336560a1c90a625

  • SSDEEP

    49152:03D8MC3nKP30n5RR74zlPK8suoRhhKUl0iLb:03xB30ntulPKyoXMUlX

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

stealc

Botnet

mars

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      file.exe

    • Size

      1.8MB

    • MD5

      a218b8e66f929d65cea126f98f026c66

    • SHA1

      cf2500d00b460084217583f5f63921e197744488

    • SHA256

      2e0d3b67009872c61328c5904a23832e6b6617de8bf756533b1804bb56719d05

    • SHA512

      46e95b24d1f74f57a02e2aca0745af63622520fa804e10fd3a251f78cab028013da8e7982a9ed0318711a78e36e33eb9ea494e58d834bd18a336560a1c90a625

    • SSDEEP

      49152:03D8MC3nKP30n5RR74zlPK8suoRhhKUl0iLb:03xB30ntulPKyoXMUlX

    • Amadey

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

    • Amadey family

    • CryptBot

      CryptBot is a C++ stealer distributed widely in bundle with other software.

    • Cryptbot family

    • Detects CryptBot payload

      CryptBot is a C++ stealer distributed widely in bundle with other software.

    • Modifies Windows Defender Real-time Protection settings

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

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

    • Downloads MZ/PE file

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • 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 web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Windows security modification

    • 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

MITRE ATT&CK Enterprise v15

Tasks