RedLine

Unpack RedLine stealer using dnSpyEx – Part 3

February 12, 2024

.NET, Config, Debugging, dnSpyEx, Infostealer, Malware Series, RedLine

In this article, we dive into process of unpacking and extracting config from RedLine Stealer using dnSpyEx. It’s a bit lengthy but a great way to learn about the unpacking process using dnSpyEx. 🔍 This is the 3rd part in our deep dive series on RedLine. If you need a…

Unpack RedLine stealer to extract config using pe-sieve -Part 2

February 6, 2024

.NET, dnSpyEx, Infostealer, Malware Series, pe-sieve, ProcMon, RedLine

RedLine Stealer config extraction using two ways: Fast & Easy Method: Use the awesome pe-sieve tool from @hasherezade, which dumps unpacked file from memory. Then, extract the config from dumped file. Using dnSpyEx for manual debugging. It’s a bit lengthy but a great way to learn about the unpacking process.…

🔍 Dive into the RedLine Stealer Infection Chain – Part 1

January 30, 2024

CyberChef, Infostealer, LNK, Malware Series, mshta, PowerShell, RedLine, VBScript

RedLine Stealer Infection Chain: Zip ➡️ LNK PS ➡️ mshta (URL1) ➡️ PS ➡️ cmd ➡️ PS ➡️ URL2 ➡️ exe What’s Inside: LNK using \W*\\2\\msh*e to dodge detection VBScript analysis using CyberChef & Wscript.Echo Utilize CyberChef recipe to decode VBScript & PowerShell How to deobfuscate PowerShell with PowerShell logging…

Deobfuscate PowerShell using subtract – CyberChef Recipe 0x4

January 10, 2024

CyberChef, CyberChef Recipe, Infostealer, PowerShell, RedLine

In this quick blog post, we’ll explore the various combination of CyberChef operations e.g Generic code Beautify, Subsection, Fork, Subtract etc. to deobfuscate the second-stage PowerShell script used in the RedLine stealer infection chain. The PowerShell contain multiple array consist of integer. It employs a straightforward function to decode the…

Deobfuscate Script using CyberChef – Recipe 0x3

October 17, 2023

CyberChef, CyberChef Recipe, Infostealer, RedLine, VBScript

In this quick blog post, we’ll explore the various combination of CyberChef operations e.g Subsection, From Base, Fork etc for deobfuscating VBScript used in the RedLine stealer infection chain. VBScript often employs the ‘chr’ function to obfuscate its code, where ‘chr’ converts Ascii codes to characters e.g. Chr(65) will return…