General

  • Target
    SSTool-main.zip
  • Size 13KB
  • Sample260829-ymst6asdra
  • SHA256 88d1218fdccba9ff8e0ef91397059b2f78f8495fbba365aa95d5acb10aa6d5c1
  • MD5 SHA1 SHA512 SSDEEP TLSH

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

Targets

    • Target
      SSTool-main.zip
    • Size 13KB
    • SHA256 88d1218fdccba9ff8e0ef91397059b2f78f8495fbba365aa95d5acb10aa6d5c1
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects HiddenTear Ransomware

    • Family: HiddenTear, Cryptear

      HiddenTear aka Cryptear is an open-source ransomware available on Github since 2015, with many versions in the wild.

    • Family: RevengeRAT

      Remote-access trojan with a wide range of capabilities.

    • Family: WarzoneRat, AveMaria

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

    • Warzone RAT payload

    • Disables Task Manager via registry modification

    • Downloads MZ/PE file

    • ReZer0 packer

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

    • Creates a file in the Startup directory

      A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • 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.

    • Uses the VBS compiler for execution

    • 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.

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Enumerates connected drives

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

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks