chimera

General

Target

http://repo
Sample

240824-tsmswaycrc

Score

10^/10

Malware Config

Targets

- Target
  
  http://repo
Score

10^/10

chimera bootkit defense_evasion discovery evasion persistence ransomware trojan upx
- 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
- UAC bypass
  evasion trojan
- Adds policy Run key to start application
  persistence
- Downloads MZ/PE file
- Drops file in Drivers directory
- Checks BIOS information in registry
  BIOS information is often read in order to detect sandboxing environments.
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Drops startup file
- Executes dropped EXE
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
- 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
  evasion trojan
- Indicator Removal: File Deletion
  Adversaries may delete files left behind by the actions of their intrusion activity.
  defense_evasion
- 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.
- Writes to the Master Boot Record (MBR)
  Bootkits write to the MBR to gain persistence at a level below the operating system.
  bootkit persistence
- Drops file in System32 directory
behavioral1 behavioral2