General

  • Target

    b66b9bbe43d16ba2ae2275aaad148809d9c5bce9726ac3f4b57333d355f9a85a.exe

  • Size

    1.8MB

  • Sample

    241202-c5cd8svpdz

  • MD5

    a541fa0eaf66c44faab3dbfd8229bb17

  • SHA1

    dd170660003d092e778e448d3f8fb6a6e7840262

  • SHA256

    b66b9bbe43d16ba2ae2275aaad148809d9c5bce9726ac3f4b57333d355f9a85a

  • SHA512

    c3f27bba03085836dde8f028db873052f61fb53ee74abea0f6a108399d400afddc144053975cde5a402f45d3a0d293dd9ec53b8994b7a97626b5cf8cd9c2a879

  • SSDEEP

    49152:UTB6KzbULmqL+SfMMq7DQN9GwPasbxUrxdC51Me/:UTcBKOJPhbSy51Mq

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

      b66b9bbe43d16ba2ae2275aaad148809d9c5bce9726ac3f4b57333d355f9a85a.exe

    • Size

      1.8MB

    • MD5

      a541fa0eaf66c44faab3dbfd8229bb17

    • SHA1

      dd170660003d092e778e448d3f8fb6a6e7840262

    • SHA256

      b66b9bbe43d16ba2ae2275aaad148809d9c5bce9726ac3f4b57333d355f9a85a

    • SHA512

      c3f27bba03085836dde8f028db873052f61fb53ee74abea0f6a108399d400afddc144053975cde5a402f45d3a0d293dd9ec53b8994b7a97626b5cf8cd9c2a879

    • SSDEEP

      49152:UTB6KzbULmqL+SfMMq7DQN9GwPasbxUrxdC51Me/:UTcBKOJPhbSy51Mq

    • 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

    • 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

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks