badrabbit

General

Target

https://drive.google.com/uc?export=download&confirm=no_antivirus&id=1u-QY29jwsxXFxY5OOF4jWT1owIH4dgXw
Sample

221125-aem2yacb9y

Score

10^/10

Malware Config

Extracted

Path

C:\Readme.txt

Ransom Note

Oops! Your files have been encrypted. If you see this text, your files are no longer accessible. You might have been looking for a way to recover your files. Don't waste your time. No one will be able to recover them without our decryption service. We guarantee that you can recover all your files safely. All you need to do is submit the payment and get the decryption password. Visit our web service at caforssztxqzf2nm.onion Your personal installation key#2: Zl3y2Sw8lh7JMlrs46/rCAz88bLbsfOmt0g8i60aT3TuRvTV6xaLErs5DbSJRJio Yj2BtCpqrgF0cbxjOHixj7Yy8Sd2b545VDLDeS1HwKbCsXrHSGH7hDZ1vfCqAQB3 bEUoFJt8avferKiNDaejSjbyWULWlqK3VWZ3OyViVZx8kiAz3loHfkOwUkcWbscf Oujo+zzxIpIoNZf1+EXIaT1T8Y5rp6wAr1J0u+0pIEC/3jF1ylwuN2jsivRw7fd1 r/vIcT7gJQxiZi9WDU5tN9MENxOfwWTMUmqx6+aNlodfNZibbHieWpfkSuymJVao f1EhiSniN7I2s4S0mRTQ5fOQqairCHxFGA==

URLs

http://caforssztxqzf2nm.onion

Targets

- Target
  
  https://drive.google.com/uc?export=download&confirm=no_antivirus&id=1u-QY29jwsxXFxY5OOF4jWT1owIH4dgXw
Score

10^/10

badrabbit discovery evasion persistence ransomware spyware stealer trojan
- BadRabbit
  Ransomware family discovered in late 2017, mainly targeting Russia and Ukraine.
  ransomware badrabbit
- Modifies WinLogon for persistence
  persistence
- Modifies visibility of file extensions in Explorer
  evasion
- UAC bypass
  evasion trojan
- Blocklisted process makes network request
- Downloads MZ/PE file
- Executes dropped EXE
- Modifies extensions of user files
  Ransomware generally changes the extension on encrypted files.
  ransomware
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL
- 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
  evasion trojan
- Drops desktop.ini file(s)
- Enumerates connected drives
  Attempts to read the root path of hard drives other than the default C: drive.
- Legitimate hosting services abused for malware hosting/C2
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
behavioral1