chimera

General

Target

https://xenoexecutor.com/
Sample

250217-p55f8syqdr

Score

10^/10

Malware Config

Targets

- Target
  
  https://xenoexecutor.com/
Score

10^/10

chimera adware defense_evasion discovery exploit persistence privilege_escalation ransomware spyware stealer trojan
- Chimera
  Ransomware which infects local and network files, often distributed via Dropbox links.
  ransomware chimera
- Chimera Ransomware Loader DLL
  Drops/unpacks executable file which resembles Chimera's Loader.dll.
  ransomware
- Chimera family
  chimera
- Modifies WinLogon for persistence
  persistence
- UAC bypass
  defense_evasion trojan
- Renames multiple (3256) files with added filename extension
  This suggests ransomware activity of encrypting all the files on the system.
  ransomware
- Boot or Logon Autostart Execution: Active Setup
  Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
  persistence
- Downloads MZ/PE file
- Possible privilege escalation attempt
  exploit
- 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 file permissions
  discovery
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Adds Run key to start application
  persistence
- Checks installed software on the system
  Looks up Uninstall key entries in the registry to enumerate software on the system.
  discovery
- Checks whether UAC is enabled
  defense_evasion trojan
- Drops desktop.ini file(s)
- Installs/modifies Browser Helper Object
  BHOs are DLL modules which act as plugins for Internet Explorer.
  stealer adware
- 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.
- Network Share Discovery
  Attempt to gather information on host network.
  discovery
- Checks system information in the registry
  System information is often read in order to detect sandboxing environments.
- Drops autorun.inf file
  Malware can abuse Windows Autorun to spread further via attached volumes.
- Drops file in System32 directory
behavioral1