djvu | b9f74ab122d357f4281cd06d07359a313076c7012c63b91e459161496efb05ca

General

Target

b9f74ab122d357f4281cd06d07359a313076c7012c63b91e459161496efb05ca
Size

796KB
Sample

221010-pf3lcabhhk
MD5

21460d2b12350dc4f95b85d687c7cbfe
SHA1

31257559769c3788f78407c18b033446ce669548
SHA256

b9f74ab122d357f4281cd06d07359a313076c7012c63b91e459161496efb05ca
SHA512

0736c32fae63a8081d0f3841ff77f3e530b8cda1bff8db7a627c66afdae587da66bcdbdaf84ad81a3bbb1b5cedcec7e1c691abfd06698ab702d0fe7ac6761b32
SSDEEP

24576:s1lhJJ7LfHL6WaFTX/3/WOxQ5udkuMd6eQ:s1lhLLfHL6Wk7xQYdkFdv

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://winnlinne.com/lancer/get.php

Attributes

extension
.towz
offline_id
SSHsHMHGmSIhrz50VnIxLJJX15osxEQY6iXedXt1
payload_url
http://rgyui.top/dl/build2.exe

http://winnlinne.com/files/1/build3.exe
ransomnote
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-Kbx8mJatqN 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: 0577Jhyjd

rsa_pubkey.plain

Extracted

Family

vidar

Version

54.9

Botnet

517

C2

https://t.me/larsenup

https://ioc.exchange/@zebra54

Attributes

profile_id
517

Targets

- Target
  
  b9f74ab122d357f4281cd06d07359a313076c7012c63b91e459161496efb05ca
- Size
  
  796KB
- MD5
  
  21460d2b12350dc4f95b85d687c7cbfe
- SHA1
  
  31257559769c3788f78407c18b033446ce669548
- SHA256
  
  b9f74ab122d357f4281cd06d07359a313076c7012c63b91e459161496efb05ca
- SHA512
  
  0736c32fae63a8081d0f3841ff77f3e530b8cda1bff8db7a627c66afdae587da66bcdbdaf84ad81a3bbb1b5cedcec7e1c691abfd06698ab702d0fe7ac6761b32
- SSDEEP
  
  24576:s1lhJJ7LfHL6WaFTX/3/WOxQ5udkuMd6eQ:s1lhLLfHL6Wk7xQYdkFdv
Score

10^/10

djvu vidar 517 discovery persistence ransomware spyware stealer
- Detected Djvu ransomware
- Djvu Ransomware
  Ransomware which is a variant of the STOP family.
  ransomware djvu
- Vidar
  Vidar is an infostealer based on Arkei stealer.
  stealer vidar
- Downloads MZ/PE file
- Executes dropped EXE
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- 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