General

  • Target

    file.exe

  • Size

    3.1MB

  • Sample

    241208-vk87kszlas

  • MD5

    41f7104e635f418ec5a33d817b5324d9

  • SHA1

    7c9a3124d4bf236a560c6a865b0034f79a65f875

  • SHA256

    3301f21b0e9b43873293f712c6a8eccb7746c09207e0cedcfe836d060862c6f8

  • SHA512

    7dfd8e767be1b7904ff44b90cbc973a577f831db0dc81c44167838146a8912efe3631510fcf37451396206613419ca6d0fa0554a74af1764d50c056a3b66338e

  • SSDEEP

    49152:kVF+M26kfUw7yoxeBqOo7NjGOTIkets5JsE8p7OuEFWH:e4M26kfUwGoxeBqV7BVtZheKuEU

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

quasar

Version

1.4.1

Botnet

vuictim

C2

91.214.78.16:7000

Mutex

42d886c4-74fa-480d-8b7e-5fe1ac03ba03

Attributes
  • encryption_key

    D72F5D077DE4AC156A670D7D920C697F5FB66FA8

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Microsoft edge

  • subdirectory

    SubDir

Extracted

Family

lumma

C2

https://impend-differ.biz/api

https://print-vexer.biz/api

https://dare-curbys.biz/api

https://covery-mover.biz/api

https://formy-spill.biz/api

https://dwell-exclaim.biz/api

https://zinc-sneark.biz/api

https://se-blurry.biz/api

https://atten-supporse.biz/api

Extracted

Family

lumma

C2

https://atten-supporse.biz/api

https://se-blurry.biz/api

https://zinc-sneark.biz/api

Extracted

Family

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

quasar

Version

1.4.1

Botnet

ewiop

C2

91.214.78.16:4900

Mutex

42d886c4-74fa-480d-8b7e-5fe1ac03ba03

Attributes
  • encryption_key

    D72F5D077DE4AC156A670D7D920C697F5FB66FA8

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Microsoft edge

  • subdirectory

    SubDir

Targets

    • Target

      file.exe

    • Size

      3.1MB

    • MD5

      41f7104e635f418ec5a33d817b5324d9

    • SHA1

      7c9a3124d4bf236a560c6a865b0034f79a65f875

    • SHA256

      3301f21b0e9b43873293f712c6a8eccb7746c09207e0cedcfe836d060862c6f8

    • SHA512

      7dfd8e767be1b7904ff44b90cbc973a577f831db0dc81c44167838146a8912efe3631510fcf37451396206613419ca6d0fa0554a74af1764d50c056a3b66338e

    • SSDEEP

      49152:kVF+M26kfUw7yoxeBqOo7NjGOTIkets5JsE8p7OuEFWH:e4M26kfUwGoxeBqV7BVtZheKuEU

    • Amadey

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

    • Amadey family

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • Asyncrat 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

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • StormKitty

      StormKitty is an open source info stealer written in C#.

    • StormKitty payload

    • Stormkitty family

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • 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

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks