General

  • Target

    785eaa3bc1ff11f50470a846c35cae7c4389c331c8a9eaaacfdced0b46a6b650

  • Size

    1.9MB

  • Sample

    240531-fqxneaha23

  • MD5

    c84ab890634ffbc2ff51f707efb68cc2

  • SHA1

    b2afe57c4d8a68cc513239d61900992ee85a2249

  • SHA256

    785eaa3bc1ff11f50470a846c35cae7c4389c331c8a9eaaacfdced0b46a6b650

  • SHA512

    14a4bb9c3b5301c4a5e175b8268db34457a1ac648008cbe47b7b0eee7322ad4f29444e949527a92beb0de43e5f06a6ad6826158186cec2af8964432f01c8c067

  • SSDEEP

    49152:wR7msDJF85oDbrQSDsUghKGDIQ+PL+E2qls:Sm0F+oVD0hKGDIQeL+E2

Malware Config

Extracted

Family

amadey

Version

4.21

Botnet

0e6740

C2

http://147.45.47.155

Attributes
  • install_dir

    9217037dc9

  • install_file

    explortu.exe

  • strings_key

    8e894a8a4a3d0da8924003a561cfb244

  • url_paths

    /ku4Nor9/index.php

rc4.plain

Extracted

Family

amadey

Version

4.21

Botnet

49e482

C2

http://147.45.47.70

Attributes
  • install_dir

    1b29d73536

  • install_file

    axplont.exe

  • strings_key

    4d31dd1a190d9879c21fac6d87dc0043

  • url_paths

    /tr8nomy/index.php

rc4.plain

Extracted

Family

redline

Botnet

1

C2

185.215.113.67:40960

Extracted

Family

risepro

C2

147.45.47.126:58709

Targets

    • Target

      785eaa3bc1ff11f50470a846c35cae7c4389c331c8a9eaaacfdced0b46a6b650

    • Size

      1.9MB

    • MD5

      c84ab890634ffbc2ff51f707efb68cc2

    • SHA1

      b2afe57c4d8a68cc513239d61900992ee85a2249

    • SHA256

      785eaa3bc1ff11f50470a846c35cae7c4389c331c8a9eaaacfdced0b46a6b650

    • SHA512

      14a4bb9c3b5301c4a5e175b8268db34457a1ac648008cbe47b7b0eee7322ad4f29444e949527a92beb0de43e5f06a6ad6826158186cec2af8964432f01c8c067

    • SSDEEP

      49152:wR7msDJF85oDbrQSDsUghKGDIQ+PL+E2qls:Sm0F+oVD0hKGDIQeL+E2

    • Amadey

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

    • Modifies firewall policy service

    • PrivateLoader

      PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • RisePro

      RisePro stealer is an infostealer distributed by PrivateLoader.

    • Windows security bypass

    • 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 web browsers

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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.

    • Drops Chrome extension

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks