djvu | 5422a11702572ec9ed1a96904c95803cea65edf95eceaae6417a4756232dd6b6

General

Target

5422a11702572ec9ed1a96904c95803cea65edf95eceaae6417a4756232dd6b6
Size

706KB
Sample

230207-p273yseh7v
MD5

b08cea0b9afb1bc6b2087047d18dbcb1
SHA1

02f835f36f9aa86fa8b8d43ed7224f13193cea94
SHA256

5422a11702572ec9ed1a96904c95803cea65edf95eceaae6417a4756232dd6b6
SHA512

d86b07095c788837626ff3963c37cd69d1eb0f364a908ac9035644358a4f26bd1f330259e07694589bf1b69830c9585abfc99d1a60a2a06c102b23485aec7a65
SSDEEP

12288:VUJlvLXU83heHHkKzZrA5c9O60R3K7NLghuB0u9p19g4ws0mxtufV8VD3:VQJXURnkgZre6s3K7VghlAws0mW8Z3

Score

10^/10

djvu vidar 19 discovery persistence ransomware spyware stealer

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.erqw
offline_id
xVB7l5LcUtDGyghMgGsTvebrKc0RGgDXlN1BoKt1
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-8pCGyFnOj6 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: 0639JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

2.4

Botnet

19

Attributes

profile_id
19

Targets

- Target
  
  5422a11702572ec9ed1a96904c95803cea65edf95eceaae6417a4756232dd6b6
- Size
  
  706KB
- MD5
  
  b08cea0b9afb1bc6b2087047d18dbcb1
- SHA1
  
  02f835f36f9aa86fa8b8d43ed7224f13193cea94
- SHA256
  
  5422a11702572ec9ed1a96904c95803cea65edf95eceaae6417a4756232dd6b6
- SHA512
  
  d86b07095c788837626ff3963c37cd69d1eb0f364a908ac9035644358a4f26bd1f330259e07694589bf1b69830c9585abfc99d1a60a2a06c102b23485aec7a65
- SSDEEP
  
  12288:VUJlvLXU83heHHkKzZrA5c9O60R3K7NLghuB0u9p19g4ws0mxtufV8VD3:VQJXURnkgZre6s3K7VghlAws0mW8Z3
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