General

Malware Config

Extracted

Family

warzonerat

C2

168.61.222.215:5400

Extracted

Family

revengerat

Botnet

Guest

C2

0.tcp.ngrok.io:19521

Mutex

RV_MUTEX

Extracted

Family

modiloader

C2

https://drive.google.com/u/0/uc?id=1TcSctGVBajYMA7CFDc158wpvqkpxmkhJ&export=download

Extracted

Family

crimsonrat

C2

185.136.161.124

Targets

    • CrimsonRAT main payload

    • CrimsonRat

      Crimson RAT is a malware linked to a Pakistani-linked threat actor.

    • Dharma

      Dharma is a ransomware that uses security software installation to hide malicious activities.

    • ModiLoader, DBatLoader

      ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

    • Modifies WinLogon for persistence

    • RevengeRAT

      Remote-access trojan with a wide range of capabilities.

    • UAC bypass

    • WarzoneRat, AveMaria

      WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • ModiLoader First Stage

    • ReZer0 packer

      Detects ReZer0, a packer with multiple versions used in various campaigns.

    • Renames multiple (561) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • RevengeRat Executable

    • Warzone RAT payload

    • Adds policy Run key to start application

    • Manipulates Digital Signatures

      Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to obtain their binary as valid.

    • Modifies Windows Firewall

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

    • Drops startup file

    • Executes dropped EXE

    • Impair Defenses: Safe Mode Boot

    • Loads dropped DLL

    • Modifies system executable filetype association

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Uses the VBS compiler for execution

    • Adds Run key to start application

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks