umbral

General

Target

https://oxy.name/d/zBZh
Sample

240804-xdpwgawhrd

Score

10^/10

Malware Config

Targets

- Target
  
  https://oxy.name/d/zBZh
Score

10^/10

umbral credential_access defense_evasion discovery execution persistence privilege_escalation spyware stealer
- Detect Umbral payload
- Umbral
  Umbral stealer is an opensource moduler stealer written in C#.
  stealer umbral
- Credentials from Password Stores: Credentials from Web Browsers
  Malicious Access or copy of Web Browser Credential store.
  credential_access stealer
- Command and Scripting Interpreter: PowerShell
  Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
  execution
- Downloads MZ/PE file
- Drops file in Drivers directory
- 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.
  persistence privilege_escalation
- Executes dropped EXE
- Loads dropped DLL
- Modifies system executable filetype association
  persistence
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Checks installed software on the system
  Looks up Uninstall key entries in the registry to enumerate software on the system.
  discovery
- 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
behavioral1