bazarbackdoor

Target

dl2.exe
Size

849KB
Sample

230920-rl8qnagg4s
MD5

c2055b7fbaa041d9f68b9d5df9b45edd
SHA1

e4bd443bd4ce9029290dcd4bb47cb1a01f3b1b06
SHA256

342f04c4720590c40d24078d46d9b19d8175565f0af460598171d58f5ffc48f3
SHA512

18905b75938b8af9468b1aa3ffbae796a139c2762e623aa6ffb9ec2b293dd04aa1f90d1ed5a7dbda7853795a3688e368121a134c7f63e527a8e5e7679301a1dc
SSDEEP

12288:A3RY3yNqMRTF4q2rxHn2ot/81xpNQyjUXlmoe7ufjHAtjXD7r2:A3RY3R24q+xn/8Xp2yOl5fzQ/2

Score

10^/10

Malware Config

Extracted

Path

C:\Users\Admin\Documents\@[email protected]

Family

wannacry

Ransom Note

Q: What's wrong with my files? A: Ooops, your important files are encrypted. It means you will not be able to access them anymore until they are decrypted. If you follow our instructions, we guarantee that you can decrypt all your files quickly and safely! Let's start decrypting! Q: What do I do? A: First, you need to pay service fees for the decryption. Please send $300 worth of bitcoin to this bitcoin address: 12t9YDPgwueZ9NyMgw519p7AA8isjr6SMw Next, please find an application file named "@[email protected]". It is the decrypt software. Run and follow the instructions! (You may need to disable your antivirus for a while.) Q: How can I trust? A: Don't worry about decryption. We will decrypt your files surely because nobody will trust us if we cheat users. * If you need our assistance, send a message by clicking <Contact Us> on the decryptor window. �

Wallets

12t9YDPgwueZ9NyMgw519p7AA8isjr6SMw

Targets

- Target
  
  dl2.exe
- Size
  
  849KB
- MD5
  
  c2055b7fbaa041d9f68b9d5df9b45edd
- SHA1
  
  e4bd443bd4ce9029290dcd4bb47cb1a01f3b1b06
- SHA256
  
  342f04c4720590c40d24078d46d9b19d8175565f0af460598171d58f5ffc48f3
- SHA512
  
  18905b75938b8af9468b1aa3ffbae796a139c2762e623aa6ffb9ec2b293dd04aa1f90d1ed5a7dbda7853795a3688e368121a134c7f63e527a8e5e7679301a1dc
- SSDEEP
  
  12288:A3RY3yNqMRTF4q2rxHn2ot/81xpNQyjUXlmoe7ufjHAtjXD7r2:A3RY3R24q+xn/8Xp2yOl5fzQ/2
Score

10^/10

bazarbackdoor wannacry backdoor discovery persistence ransomware worm
- BazarBackdoor
  Stealthy backdoor targeting corporate networks, believed to be developed by Trickbot's authors.
  backdoor bazarbackdoor
- Wannacry
  WannaCry is a ransomware cryptoworm.
  ransomware worm wannacry
- Deletes shadow copies
  Ransomware often targets backup files to inhibit system recovery.
  ransomware
- Tries to connect to .bazar domain
  Attempts to lookup or connect to a .bazar domain, used by BazarBackdoor, Trickbot, and potentially others.
- Drops startup file
- Executes dropped EXE
- Loads dropped DLL
- Modifies file permissions
  discovery
- Unexpected DNS network traffic destination
  Network traffic to other servers than the configured DNS servers was detected on the DNS port.
- Adds Run key to start application
  persistence
- Creates a large amount of network flows
  This may indicate a network scan to discover remotely running services.
  discovery
- Legitimate hosting services abused for malware hosting/C2
- Sets desktop wallpaper using registry
  ransomware
behavioral1 behavioral2