General

  • Target

    76136573354da128cac50ec6818c5ccc3e2623ca19100e1ac5e2023cf364e95fN.exe

  • Size

    3.0MB

  • Sample

    241121-bt7wbsxnbs

  • MD5

    95b2cdd3504ab3599f991207e91efa60

  • SHA1

    560349402031ec5a27e9c5280200941459065b95

  • SHA256

    76136573354da128cac50ec6818c5ccc3e2623ca19100e1ac5e2023cf364e95f

  • SHA512

    10a90caa1a3afde98feee5baa06d2a38a7a2b9332faaef9e08fa48ab3ef4a2cad9b86099228b46cb00796531b5926cb0c3550d06f08c518798df3d06345c147d

  • SSDEEP

    49152:/g9FwVsjPTsj5a9z1exfkmIqcjvsSpXyP1W5v8I2:/S8uPg49zQxfkmIqcjvsSpXc1W98H

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

      76136573354da128cac50ec6818c5ccc3e2623ca19100e1ac5e2023cf364e95fN.exe

    • Size

      3.0MB

    • MD5

      95b2cdd3504ab3599f991207e91efa60

    • SHA1

      560349402031ec5a27e9c5280200941459065b95

    • SHA256

      76136573354da128cac50ec6818c5ccc3e2623ca19100e1ac5e2023cf364e95f

    • SHA512

      10a90caa1a3afde98feee5baa06d2a38a7a2b9332faaef9e08fa48ab3ef4a2cad9b86099228b46cb00796531b5926cb0c3550d06f08c518798df3d06345c147d

    • SSDEEP

      49152:/g9FwVsjPTsj5a9z1exfkmIqcjvsSpXyP1W5v8I2:/S8uPg49zQxfkmIqcjvsSpXc1W98H

    • 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.

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks