djvu | 1a8f37cf37b3709b27529f61f459f6c0b1dba63f803c22d469ce29937fd95855

General

Target

1a8f37cf37b3709b27529f61f459f6c0b1dba63f803c22d469ce29937fd95855
Size

820KB
Sample

230321-t174saea3x
MD5

4fb20686bc89af2e05086d23acd03ded
SHA1

1819399d18736fef25382b70f566a343a0190a4d
SHA256

1a8f37cf37b3709b27529f61f459f6c0b1dba63f803c22d469ce29937fd95855
SHA512

fe0daa0cd58c76ca096023b61a5649c03d1eedd08987c50541ae1dc7346616f109810dab58671a2e4c35d8025af898197945d65a7a348cb2a7f92e4e7c03d63f
SSDEEP

12288:squgl740ulOvHuksoFIa+bJbKbKIaolLr1sSg9uhZUnCjPvjYyzeYckPWXb:WUjRvHuzTZbJbKbemVdg9EYKvfCX

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.tywd
offline_id
Yao2o6f5vNghOpgVBhEIA8O96SC5vLcgITgaRMt1
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-f8UEvx4T0A 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: 0671IsjO

rsa_pubkey.plain

Extracted

Family

vidar

C2

https://steamcommunity.com/profiles/76561199472266392

Extracted

Family

vidar

Version

�!�!

C2

https://steamcommunity.com/profiles/76561199472266392

Targets

- Target
  
  1a8f37cf37b3709b27529f61f459f6c0b1dba63f803c22d469ce29937fd95855
- Size
  
  820KB
- MD5
  
  4fb20686bc89af2e05086d23acd03ded
- SHA1
  
  1819399d18736fef25382b70f566a343a0190a4d
- SHA256
  
  1a8f37cf37b3709b27529f61f459f6c0b1dba63f803c22d469ce29937fd95855
- SHA512
  
  fe0daa0cd58c76ca096023b61a5649c03d1eedd08987c50541ae1dc7346616f109810dab58671a2e4c35d8025af898197945d65a7a348cb2a7f92e4e7c03d63f
- SSDEEP
  
  12288:squgl740ulOvHuksoFIa+bJbKbKIaolLr1sSg9uhZUnCjPvjYyzeYckPWXb:WUjRvHuzTZbJbKbemVdg9EYKvfCX
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