chimera

General

Target

https://bloxflip.com/a/kriszti
Sample

241005-s8l1va1bmg

Score

10^/10

Malware Config

Targets

- Target
  
  https://bloxflip.com/a/kriszti
Score

10^/10

chimera revengerat rms agilenet defense_evasion discovery evasion execution persistence ransomware rat rezer0 spyware stealer trojan upx
- Chimera
  Ransomware which infects local and network files, often distributed via Dropbox links.
  ransomware chimera
- RMS
  Remote Manipulator System (RMS) is a remote access tool developed by Russian organization TektonIT.
  trojan rat rms
- RevengeRAT
  Remote-access trojan with a wide range of capabilities.
  trojan revengerat
- ReZer0 packer
  Detects ReZer0, a packer with multiple versions used in various campaigns.
  rezer0
- Renames multiple (3316) files with added filename extension
  This suggests ransomware activity of encrypting all the files on the system.
  ransomware
- RevengeRat Executable
  stealer
- Downloads MZ/PE file
- Modifies Windows Firewall
  evasion
- Stops running service(s)
  evasion execution
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE
- Loads dropped DLL
- Modifies file permissions
  discovery
- Obfuscated with Agile.Net obfuscator
  Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
  agilenet
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Uses the VBS compiler for execution
- 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
- Command and Scripting Interpreter: PowerShell
  Using powershell.exe command.
  execution
- Drops desktop.ini file(s)
- 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.
- System Binary Proxy Execution: Verclsid
  Adversaries may abuse Verclsid to proxy execution of malicious code.
  defense_evasion
- AutoIT Executable
  AutoIT scripts compiled to PE executables.
- Drops file in System32 directory
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
behavioral1