General

  • Target

    577b2ea5c92bfe5b72e7e5ca60a3ef8d32f9d667c1023e9080e45f406e4acc1a.exe

  • Size

    1.8MB

  • Sample

    241124-rtspeaznel

  • MD5

    f773519a6e7e761d2c1d7e4cde57a8ac

  • SHA1

    a104bce3d1dafad092a367a91f0df449d9f9c14e

  • SHA256

    577b2ea5c92bfe5b72e7e5ca60a3ef8d32f9d667c1023e9080e45f406e4acc1a

  • SHA512

    539a31b83803d055fd1b5462d22eb8552a48544f61c2c16e0c2b3159a9c13e1b32908134bb78db588be1a44a4d5109aa554ae75e3a7c053cc0bfa792079aa1d2

  • SSDEEP

    49152:iKE7jEN7DevGS5Z3el7b7Q1GACRz1fae+Y:DE74Na5L3elDbRcY

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

      577b2ea5c92bfe5b72e7e5ca60a3ef8d32f9d667c1023e9080e45f406e4acc1a.exe

    • Size

      1.8MB

    • MD5

      f773519a6e7e761d2c1d7e4cde57a8ac

    • SHA1

      a104bce3d1dafad092a367a91f0df449d9f9c14e

    • SHA256

      577b2ea5c92bfe5b72e7e5ca60a3ef8d32f9d667c1023e9080e45f406e4acc1a

    • SHA512

      539a31b83803d055fd1b5462d22eb8552a48544f61c2c16e0c2b3159a9c13e1b32908134bb78db588be1a44a4d5109aa554ae75e3a7c053cc0bfa792079aa1d2

    • SSDEEP

      49152:iKE7jEN7DevGS5Z3el7b7Q1GACRz1fae+Y:DE74Na5L3elDbRcY

    • 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.

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Xmrig family

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

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

    • XMRig Miner payload

    • 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.

    • Drops startup file

    • 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.

    • 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.

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks