djvu | 1b93f6f4f5df11a86795904800efbc21d3d91d97b41e7d5ea4c2dd69bdde71a9

General

Target

1b93f6f4f5df11a86795904800efbc21d3d91d97b41e7d5ea4c2dd69bdde71a9
Size

718KB
Sample

230331-2pbv7sea83
MD5

4e89bd5a1d6a4d2fe6a3cbf77fcb0ffa
SHA1

004c1b7ad845955264ed6b89a106d7a86ff1a9ac
SHA256

1b93f6f4f5df11a86795904800efbc21d3d91d97b41e7d5ea4c2dd69bdde71a9
SHA512

6fe70f4456572b886f4d94a01d88e7c982d0928e529be901f9b7b52d0fce1d2c8b4748db2b6556b08bafafe918ca988be12382a71407fe4f99ed2a71480d6f93
SSDEEP

12288:V1HurxxoAknHSksG+VQjfowUbR1YjpwssCo0sfOqWfRy:bH4mAkHSk3UwfIVww1ZZOdf

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://zexeq.com/test2/get.php

Attributes

extension
.nifr
offline_id
FCP2fiITr4rryFhFBnA59GMgwES5CunmcbPc76t1
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-v8HcfXTy5x 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: 0679SUjhw

rsa_pubkey.plain

Extracted

Family

vidar

Version

3.2

Botnet

5df88deb5dde677ba658b77ad5f60248

C2

https://steamcommunity.com/profiles/76561199489580435

https://t.me/tabootalks

Attributes

profile_id_v2
5df88deb5dde677ba658b77ad5f60248
user_agent
Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36 OPR/91.0.4516.79

Targets

- Target
  
  1b93f6f4f5df11a86795904800efbc21d3d91d97b41e7d5ea4c2dd69bdde71a9
- Size
  
  718KB
- MD5
  
  4e89bd5a1d6a4d2fe6a3cbf77fcb0ffa
- SHA1
  
  004c1b7ad845955264ed6b89a106d7a86ff1a9ac
- SHA256
  
  1b93f6f4f5df11a86795904800efbc21d3d91d97b41e7d5ea4c2dd69bdde71a9
- SHA512
  
  6fe70f4456572b886f4d94a01d88e7c982d0928e529be901f9b7b52d0fce1d2c8b4748db2b6556b08bafafe918ca988be12382a71407fe4f99ed2a71480d6f93
- SSDEEP
  
  12288:V1HurxxoAknHSksG+VQjfowUbR1YjpwssCo0sfOqWfRy:bH4mAkHSk3UwfIVww1ZZOdf
Score

10^/10

djvu vidar 5df88deb5dde677ba658b77ad5f60248 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
- 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