General

  • Target

    file.exe

  • Size

    1.8MB

  • Sample

    241122-rmxd1sslcv

  • MD5

    1daa3a0aa5ed7e06b400a47309ba5003

  • SHA1

    8d475fd4be28ee701dbe5e2fe489fe9e9b3e826d

  • SHA256

    c3d0427b8bc9d084ac65b881ec50f55be52650f60850ac05010ccc8d56e3d1cb

  • SHA512

    bc671cd250579413e693d2a61c2873a776a7c39125addd78b7a39a268c508fb638cd7c552faabd3ac9a53baf4b97086173af09264dd68e2f5a7516b55a3f2ed8

  • SSDEEP

    49152:PMGDMQEgEDs8SLI5GQ3+l1cxRGPfyJgSuOB3X:PMLZuIgQuxpSbF

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

meduza

C2

109.107.181.162

Attributes
  • anti_dbg

    true

  • anti_vm

    true

  • build_name

    439

  • extensions

    none

  • grabber_max_size

    1.048576e+06

  • links

    none

  • port

    15666

  • self_destruct

    true

Extracted

Family

stealc

Botnet

mars

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      file.exe

    • Size

      1.8MB

    • MD5

      1daa3a0aa5ed7e06b400a47309ba5003

    • SHA1

      8d475fd4be28ee701dbe5e2fe489fe9e9b3e826d

    • SHA256

      c3d0427b8bc9d084ac65b881ec50f55be52650f60850ac05010ccc8d56e3d1cb

    • SHA512

      bc671cd250579413e693d2a61c2873a776a7c39125addd78b7a39a268c508fb638cd7c552faabd3ac9a53baf4b97086173af09264dd68e2f5a7516b55a3f2ed8

    • SSDEEP

      49152:PMGDMQEgEDs8SLI5GQ3+l1cxRGPfyJgSuOB3X:PMLZuIgQuxpSbF

    • Amadey

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

    • Amadey family

    • Meduza

      Meduza is a crypto wallet and info stealer written in C++.

    • Meduza Stealer payload

    • Meduza family

    • 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

    • Accesses Microsoft Outlook profiles

    • 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.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks