djvu | 91e437e7ba475e248127177f79b578bc0f73cd9ec8fd2eb9d380eea88e939f49

General

Target

91e437e7ba475e248127177f79b578bc0f73cd9ec8fd2eb9d380eea88e939f49
Size

721KB
Sample

210826-e8sr1erfbn
MD5

92baa6d072d591b827950b6bc4730057
SHA1

17e968a7d200a75fcec9b6967bd635d8633405d9
SHA256

91e437e7ba475e248127177f79b578bc0f73cd9ec8fd2eb9d380eea88e939f49
SHA512

21cd5c7c535b333c6e7297f0edb1d03cad96c24114d3318b6943c0af57c81e2486c6056103617222c3c7650ce666945c7fb4080947ae4946219acf229cd3f0da

Score

10^/10

Malware Config

Extracted

Path

C:\_readme.txt

Family

djvu

Ransom Note

ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-ykQaS2tRyB Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0328gDrgoC4j04vLx6lqyFlyzpTC55w9igCGDgaBYLhUjv3Rr

Emails

[email protected]

URLs

https://we.tl/t-ykQaS2tRyB

Extracted

Family

vidar

Version

40.1

Botnet

517

C2

https://eduarroma.tumblr.com/

Attributes

profile_id
517

Targets

- Target
  
  91e437e7ba475e248127177f79b578bc0f73cd9ec8fd2eb9d380eea88e939f49
- Size
  
  721KB
- MD5
  
  92baa6d072d591b827950b6bc4730057
- SHA1
  
  17e968a7d200a75fcec9b6967bd635d8633405d9
- SHA256
  
  91e437e7ba475e248127177f79b578bc0f73cd9ec8fd2eb9d380eea88e939f49
- SHA512
  
  21cd5c7c535b333c6e7297f0edb1d03cad96c24114d3318b6943c0af57c81e2486c6056103617222c3c7650ce666945c7fb4080947ae4946219acf229cd3f0da
Score

10^/10

djvu vidar 517 discovery persistence ransomware spyware stealer
- Detected Djvu ransomeware
- Djvu Ransomware
  Ransomware which is a variant of the STOP family.
  ransomware djvu
- Vidar
  Vidar is an infostealer based on Arkei stealer.
  stealer vidar
- Vidar Stealer
  stealer
- Downloads MZ/PE file
- Executes dropped EXE
- Modifies extensions of user files
  Ransomware generally changes the extension on encrypted files.
  ransomware
- Loads dropped DLL
- Modifies file permissions
  discovery
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Accesses 2FA software files, possible credential harvesting
  spyware stealer
- Accesses cryptocurrency files/wallets, possible credential harvesting
  spyware
- 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
- Looks up external IP address via web service
  Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext
behavioral1