djvu | 0351cfa62692f8f7a02a091e23e9f6f8afa08a7c855cfb5372a9586d3ab59042

General

Target

0351cfa62692f8f7a02a091e23e9f6f8afa08a7c855cfb5372a9586d3ab59042
Size

713KB
Sample

230102-y799yagb27
MD5

f828f5f7e49ac4b2cc79aa69666c1333
SHA1

41a18640ca33d963d8af40c6df03356b712c4ab6
SHA256

0351cfa62692f8f7a02a091e23e9f6f8afa08a7c855cfb5372a9586d3ab59042
SHA512

2ceaf793dd03f953f9b2f8abf77631ff43a4fa1b3e4e43b5920d72db680902bcfc990970bd752e5bbeaa3e330dc7e88b495d7747270a663945f42e4219e8b843
SSDEEP

12288:t/yOx9PHnolHGkNF2wFVgXziUxs+Tfc6XdZvL83ykrDlWO4rvIhzr:thRnolHGYgwF2XziUxjvt+FRD4LI1r

Score

10^/10

djvu vidar 19 discovery persistence ransomware spyware stealer

Malware Config

Extracted

Family

djvu

C2

http://ex3mall.com/test1/get.php

Attributes

extension
.znsm
offline_id
bE95c2N1x4fARf4W3qmFCjkKPwfFkQaU9NpNBMt1
payload_url
http://uaery.top/dl/build2.exe

http://ex3mall.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-OKSOfVy04R 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: 0623Sduef

rsa_pubkey.plain

Extracted

Family

vidar

Version

1.7

Botnet

19

C2

https://t.me/robloxblackl

https://steamcommunity.com/profiles/76561199458928097

Attributes

profile_id
19

Targets

- Target
  
  0351cfa62692f8f7a02a091e23e9f6f8afa08a7c855cfb5372a9586d3ab59042
- Size
  
  713KB
- MD5
  
  f828f5f7e49ac4b2cc79aa69666c1333
- SHA1
  
  41a18640ca33d963d8af40c6df03356b712c4ab6
- SHA256
  
  0351cfa62692f8f7a02a091e23e9f6f8afa08a7c855cfb5372a9586d3ab59042
- SHA512
  
  2ceaf793dd03f953f9b2f8abf77631ff43a4fa1b3e4e43b5920d72db680902bcfc990970bd752e5bbeaa3e330dc7e88b495d7747270a663945f42e4219e8b843
- SSDEEP
  
  12288:t/yOx9PHnolHGkNF2wFVgXziUxs+Tfc6XdZvL83ykrDlWO4rvIhzr:thRnolHGYgwF2XziUxjvt+FRD4LI1r
Score

10^/10

djvu vidar 19 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