badrabbit

General

Target

https://web.archive.org/web/20110804063940/govnobakovkaxxx.ru
Sample

250223-1lzx7axps9

Score

10^/10

Malware Config

Extracted

Path

C:\Program Files\7-Zip\Lang\DECRYPT_YOUR_FILES.HTML

Ransom Note

<html> <head> <style> body{ background-color: #3366CC; } h1 { background-color: RGB(249, 201, 16); } p { background-color: maroon; color: white; } </style> </head> <body> <center> <h1><b> Attention ! All your files </b> have been encrypted. </h1></br> <p> Due encrypting was used algoritm RSA-4096 and AES-256, used for protection military secrets.</br> That means > RESTORE YOU DATA POSIBLE ONLY BUYING decryption passwords from us.</br> Getting a decryption of your files is - SIMPLY task.</br></br> That all what you need:</br> 1. Sent Your ID_KEY on mailbox [email protected] or [email protected] </br> 2. For test, decrypt 2 small files, to be sure that we can decrypt you files.</br> 3. Pay our services. </br> 4. GET software with passwords for decrypt you files.</br> 5. Make measures to prevent this type situations again.</br></br> IMPORTANT(1)</br> Do not try restore files without our help, this is useless, and can destroy you data permanetly.</br></br> IMPORTANT(2) </br> We Cant hold you decryption passwords forever. </br>ALL DECRYPTION PASSWORDS, for what wasn`t we receive reward, will destroy after week of moment of encryption. </p> <p> Your ID_KEY: <br> </p> <table width="1024" border="0"> <tbody> <tr> <td><p>JJEqo3LrSvxj7DrJMULwhG6PQR8cqtP/+aHYyiTkJtix5VKihee74vuXYIwQF1Y1Ph6SJ06byS6VHFRbTKqskMPnfLoJJc3Zqe0cO1qeKQff0UC5hQKvv2HpOTo/L5RttH2lrhylUiF3cLQ3iNFLhYAGfW8lpeW+coRrjxU5zns/kAK4W0+icXiUftH7y4VCcDznYNsCMdu7CC6ABh5AuRipDzVN7PSlD0Xev37A0Y30V00n3cn+zd7HGYgikVj38Y1xIE5GFrlbOdhNxjfHRYxt4n+J78+iQmU7L6orJzNm7yE8XC3J6FAqAnhAiaBLWGA3XoT4rqG9BVQblAQPBw==ZW4tVVM=</p></td> </tr> </tbody> </table> </center></html></body>

Emails

[email protected]

Targets

- Target
  
  https://web.archive.org/web/20110804063940/govnobakovkaxxx.ru
Score

10^/10

badrabbit cryptolocker dharma fantom mimikatz credential_access defense_evasion discovery execution impact persistence ransomware stealer upx
- BadRabbit
  Ransomware family discovered in late 2017, mainly targeting Russia and Ukraine.
  ransomware badrabbit
- Badrabbit family
  badrabbit
- CryptoLocker
  Ransomware family with multiple variants.
  ransomware cryptolocker
- Cryptolocker family
  cryptolocker
- Dharma
  Dharma is a ransomware that uses security software installation to hide malicious activities.
  ransomware dharma
- Dharma family
  dharma
- Fantom
  Ransomware which hides encryption process behind fake Windows Update screen.
  ransomware fantom
- Fantom family
  fantom
- Mimikatz
  mimikatz is an open source tool to dump credentials on Windows.
  mimikatz
- Mimikatz family
  mimikatz
- Deletes shadow copies
  Ransomware often targets backup files to inhibit system recovery.
  ransomware defense_evasion impact execution
- Renames multiple (679) files with added filename extension
  This suggests ransomware activity of encrypting all the files on the system.
  ransomware
- mimikatz is an open source tool to dump credentials on Windows
- Disables Task Manager via registry modification
  defense_evasion
- Sets service image path in registry
  persistence
- Credentials from Password Stores: Windows Credential Manager
  Suspicious access to Credentials History.
  credential_access stealer
- Drops startup file
- Executes dropped EXE
- Impair Defenses: Safe Mode Boot
  defense_evasion
- Loads dropped DLL
- Adds Run key to start application
  persistence
- Drops desktop.ini file(s)
- Enumerates connected drives
  Attempts to read the root path of hard drives other than the default C: drive.
- 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
- Sets desktop wallpaper using registry
  ransomware
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
behavioral1