General

  • Target

    https://github.com/DannyTheSloth/VanillaRAT

  • Sample

    240928-l7lv5azern

Malware Config

Extracted

Family

xworm

Version

3.1

C2

full-wet.at.ply.gg:38848

Attributes
  • Install_directory

    %AppData%

  • install_file

    chrome.exe

Extracted

Family

lumma

C2

https://pillowbrocccolipe.shop/api

https://communicationgenerwo.shop/api

https://diskretainvigorousiw.shop/api

https://affordcharmcropwo.shop/api

https://dismissalcylinderhostw.shop/api

https://enthusiasimtitleow.shop/api

https://worryfillvolcawoi.shop/api

https://cleartotalfisherwo.shop/api

Extracted

Family

xworm

C2

127.0.0.1:7000

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

Extracted

Family

gurcu

C2

https://api.telegram.org/bot6840643388:AAFx-w02hvJE3j8QWzCipTXQ-j2gGH45m_Y/sendDocument?chat_id=2024893777&caption=%F0%9F%93%82%20-%20Browser%20data%0A%E2%94%9C%E2%94%80%E2%94%80%20%F0%9F%93%82%20-%20cookies(0%20kb)%0A%E2%94%9C%E2%94%80%E2%94%80%20%F0%9F%93%84%20-%20BrowserDownloads.txt%20(0.8%20kb

https://api.telegram.org/bot6840643388:AAFx-w02hvJE3j8QWzCipTXQ-j2gGH45m_Y/sendMessage?chat_id=2024893777

https://api.telegram.org/bot6840643388:AAFx-w02hvJE3j8QWzCipTXQ-j2gGH45m_Y/getUpdates?offset=-

https://api.telegram.org/bot6840643388:AAFx-w02hvJE3j8QWzCipTXQ-j2gGH45m_Y/sendDocument?chat_id=2024893777&caption=%F0%9F%93%B8Screenshot%20take

Targets

    • Target

      https://github.com/DannyTheSloth/VanillaRAT

    • Detect Xworm Payload

    • Gurcu, WhiteSnake

      Gurcu is a malware stealer written in C#.

    • Lumma Stealer, LummaC

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

    • VanillaRat

      VanillaRat is an advanced remote administration tool coded in C#.

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Vanilla Rat payload

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • Reads user/profile data of web browsers

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

    • Uses the VBS compiler for execution

    • Adds Run key to start application

    • 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.

    • Drops file in System32 directory

    • Enumerates processes with tasklist

MITRE ATT&CK Enterprise v15

Tasks