cryptolocker

General

Target

advbattoexeconverter.exe
Size

804KB
Sample

240528-ttn3bsbf2s
MD5

83bb1b476c7143552853a2cf983c1142
SHA1

8ff8ed5c533d70a7d933ec45264dd700145acd8c
SHA256

af09248cb756488850f9e6f9a7a00149005bf47a9b2087b792ff6bd937297ffb
SHA512

6916c6c5addf43f56b9de217e1b640ab6f4d7e5a73cd33a7189f66c9b7f0b954c5aa635f92fcef5692ca0ca0c8767e97a678e90d545079b5e6d421555f5b761a
SSDEEP

24576:0xFkFHdJ8aT/iziXH6FGnYhqQuimKC6Qpor:0IdJ1KiBYhsl+r

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

https://github.com/Da2dalus/The-MALWARE-Repo/raw/master/Ransomware/CryptoLocker.exe

Extracted

Path

C:\Users\Admin\Downloads\!Please Read Me!.txt

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: 15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1 Next, please find the decrypt software on your desktop, an executable file named "!WannaDecryptor!.exe". If it does not exsit, download the software from the address below. (You may need to disable your antivirus for a while.) rar password: wcry123 Run and follow the instructions! �

Wallets

15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1

Targets

- Target
  
  advbattoexeconverter.exe
- Size
  
  804KB
- MD5
  
  83bb1b476c7143552853a2cf983c1142
- SHA1
  
  8ff8ed5c533d70a7d933ec45264dd700145acd8c
- SHA256
  
  af09248cb756488850f9e6f9a7a00149005bf47a9b2087b792ff6bd937297ffb
- SHA512
  
  6916c6c5addf43f56b9de217e1b640ab6f4d7e5a73cd33a7189f66c9b7f0b954c5aa635f92fcef5692ca0ca0c8767e97a678e90d545079b5e6d421555f5b761a
- SSDEEP
  
  24576:0xFkFHdJ8aT/iziXH6FGnYhqQuimKC6Qpor:0IdJ1KiBYhsl+r
Score

10^/10

cryptolocker wannacry defense_evasion execution impact persistence ransomware spyware stealer worm
- CryptoLocker
  Ransomware family with multiple variants.
  ransomware cryptolocker
- Suspicious use of NtCreateProcessExOtherParentProcess
- Wannacry
  WannaCry is a ransomware cryptoworm.
  ransomware worm wannacry
- Deletes shadow copies
  Ransomware often targets backup files to inhibit system recovery.
  ransomware defense_evasion impact execution
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
  Using powershell.exe command.
  execution
- Downloads MZ/PE file
- Drops startup file
- Executes dropped EXE
- 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
- Legitimate hosting services abused for malware hosting/C2
- Sets desktop wallpaper using registry
  ransomware
behavioral1