General

  • Target

    7a3739af1f97eeb953e104354d454b85f6c395b19817b59f014f86520e2501c3N.exe

  • Size

    1.8MB

  • Sample

    241130-yg8nessrgt

  • MD5

    a497ac328ebe667e4502871394265720

  • SHA1

    c9cc92bfec36d6608b79c062f3fd69c86800fc06

  • SHA256

    7a3739af1f97eeb953e104354d454b85f6c395b19817b59f014f86520e2501c3

  • SHA512

    37956d11c549da390e3b78de2a28688389e06f34525770ce6b709422d086d021c3cd64c31ed5c28a7c02f8080feadf87bd857207d69ac898a7405cd864ffe030

  • SSDEEP

    49152:n2ukFAT41yiXtgIsVIE0+VbuyGwcmpjEofbgf3:n8Ak1y8gc+VbRGwcmpj3C

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

lumma

Extracted

Family

stealc

Botnet

drum

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      7a3739af1f97eeb953e104354d454b85f6c395b19817b59f014f86520e2501c3N.exe

    • Size

      1.8MB

    • MD5

      a497ac328ebe667e4502871394265720

    • SHA1

      c9cc92bfec36d6608b79c062f3fd69c86800fc06

    • SHA256

      7a3739af1f97eeb953e104354d454b85f6c395b19817b59f014f86520e2501c3

    • SHA512

      37956d11c549da390e3b78de2a28688389e06f34525770ce6b709422d086d021c3cd64c31ed5c28a7c02f8080feadf87bd857207d69ac898a7405cd864ffe030

    • SSDEEP

      49152:n2ukFAT41yiXtgIsVIE0+VbuyGwcmpjEofbgf3:n8Ak1y8gc+VbRGwcmpj3C

    • Amadey

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

    • Amadey family

    • Lumma Stealer, LummaC

      Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

    • Lumma family

    • Modifies Windows Defender Real-time Protection settings

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Enumerates VirtualBox registry keys

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

    • 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

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks