djvu | b4af965d311a82415429ddbe9cfd8b778d29dd4bd7bca9c8ea2ec4942cfd975e

General

Target

b4af965d311a82415429ddbe9cfd8b778d29dd4bd7bca9c8ea2ec4942cfd975e
Size

752KB
Sample

230216-mlbzgagg6w
MD5

9bf6dc48051cb8e05bc7a59a9b341f9a
SHA1

e695846e897f2b00c723dea754fd514ac8e1546e
SHA256

b4af965d311a82415429ddbe9cfd8b778d29dd4bd7bca9c8ea2ec4942cfd975e
SHA512

da999796233d2cae6480e9c4afa889d7cc5ce882bee8565b896cd5a06d3bce64fce085025da0529ba0b7b873db80da4b291410f025d847ffd1b67ddae98eecc3
SSDEEP

12288:/rxqISijTU4z2OG4IQQwDBx1brpWupmk7k7P97HP4ivr70eOQNgRdAJ:/lRzTUyI2PrIYvkz97v4KccNg4J

Score

10^/10

djvu vidar 19 discovery persistence ransomware spyware stealer

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.hhoo
offline_id
dMMXkgwQTycP13C5xwPbHDSzhx1ZxiPgIMZXewt1
payload_url
http://uaery.top/dl/build2.exe

http://bihsy.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-UQkYLBSiQ4 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: 0648JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

2.5

Botnet

19

Attributes

profile_id
19

Targets

- Target
  
  b4af965d311a82415429ddbe9cfd8b778d29dd4bd7bca9c8ea2ec4942cfd975e
- Size
  
  752KB
- MD5
  
  9bf6dc48051cb8e05bc7a59a9b341f9a
- SHA1
  
  e695846e897f2b00c723dea754fd514ac8e1546e
- SHA256
  
  b4af965d311a82415429ddbe9cfd8b778d29dd4bd7bca9c8ea2ec4942cfd975e
- SHA512
  
  da999796233d2cae6480e9c4afa889d7cc5ce882bee8565b896cd5a06d3bce64fce085025da0529ba0b7b873db80da4b291410f025d847ffd1b67ddae98eecc3
- SSDEEP
  
  12288:/rxqISijTU4z2OG4IQQwDBx1brpWupmk7k7P97HP4ivr70eOQNgRdAJ:/lRzTUyI2PrIYvkz97v4KccNg4J
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
- 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