djvu | c1408fc3499804a404586216783deafb790bc0f6ae461e32f02c3c8caaa1164c

General

Target
c1408fc3499804a404586216783deafb790bc0f6ae461e32f02c3c8caaa1164c
Size 760KB
Sample230321-f4cv6aah5s
SHA256 c1408fc3499804a404586216783deafb790bc0f6ae461e32f02c3c8caaa1164c
MD5 54ce53389d78a6b552ffd7f60e4362fc
SHA1 45acdc03b3e0b1a88f632f60cb06781bdfb0c9a6
SHA512 4f22c47cc1a54ee6563f22f71ca628b06482f4f08b9d9c6df30c34d2eb0c87677dcb8a7c85413d873c26afb826097b334ce8c1976fbcbb6f95e6b49a9791ed62
SSDEEP 12288:uHxMt+6C8KlrJHSFoYzXAi5fJgBqun6Q1ccD7usVBDE6Rr0FloM7:Wk+dvHUBaBqu68HTVBDE6R
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://zexeq.com/test1/get.php

Attributes

extension
.dazx
offline_id
8EM6M9LqEzIk18qaQ87WiPQ1u84RRdej5V1ovht1
payload_url
http://uaery.top/dl/build2.exe

http://zexeq.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-vbVkogQdu2 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: 0666JOsie

rsa_pubkey.plain

Extracted

Family

vidar

C2

https://steamcommunity.com/profiles/76561199472266392

Extracted

Family

vidar

Version

�&�&

C2

https://steamcommunity.com/profiles/76561199472266392

Targets

- Target
  c1408fc3499804a404586216783deafb790bc0f6ae461e32f02c3c8caaa1164c
- Size 760KB
- SHA256 c1408fc3499804a404586216783deafb790bc0f6ae461e32f02c3c8caaa1164c
- MD5 54ce53389d78a6b552ffd7f60e4362fc
- SHA1 45acdc03b3e0b1a88f632f60cb06781bdfb0c9a6
- SHA512 4f22c47cc1a54ee6563f22f71ca628b06482f4f08b9d9c6df30c34d2eb0c87677dcb8a7c85413d873c26afb826097b334ce8c1976fbcbb6f95e6b49a9791ed62
- SSDEEP 12288:uHxMt+6C8KlrJHSFoYzXAi5fJgBqun6Q1ccD7usVBDE6Rr0FloM7:Wk+dvHUBaBqu68HTVBDE6R
- MD5 SHA1 SHA512 SSDEEP
Score

10^/10

djvu vidar 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
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE
- 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