djvu | c4d33fc79173be38c3a76223263f6b37486903188e3c081586ecd62fcc651497

General

Target

05177199.exe
Size

684KB
Sample

230612-rgqz2scd93
MD5

07e322e00371943a3577322504276f9c
SHA1

492f80833aea121973be091e5634fd89d3ceb0d3
SHA256

c4d33fc79173be38c3a76223263f6b37486903188e3c081586ecd62fcc651497
SHA512

56155008c846382a8ddb8b814ce6208b10d69a4b340bcad7fd7d952b48ee913cafafe188ab76b6c4cbd3a7f2d065a99f4e464fd118832eb23917fe8bdded03bd
SSDEEP

12288:M2T7qAinDx1SYFfo7y7Uw/fsbDAOG4Vf7fjwO98DiWRWF6PHMx:MW7q722oO5fsfzrVTfsP9WFaH8

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.ahtw
offline_id
vPWUuYIO6Lzy2cGt8zL7FERKTf4QMBPjn7F005t1
payload_url
http://colisumy.com/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-sLaQRb9N6e 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: 0726Isk

rsa_pubkey.plain

Extracted

Family

vidar

Version

4.2

Botnet

a81bcf59d85e6e13257840e65b9d1da8

C2

https://steamcommunity.com/profiles/76561199511129510

https://t.me/rechnungsbetrag

Attributes

profile_id_v2
a81bcf59d85e6e13257840e65b9d1da8
user_agent
Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.38 Safari/537.36 Brave/75

Targets

- Target
  
  05177199.exe
- Size
  
  684KB
- MD5
  
  07e322e00371943a3577322504276f9c
- SHA1
  
  492f80833aea121973be091e5634fd89d3ceb0d3
- SHA256
  
  c4d33fc79173be38c3a76223263f6b37486903188e3c081586ecd62fcc651497
- SHA512
  
  56155008c846382a8ddb8b814ce6208b10d69a4b340bcad7fd7d952b48ee913cafafe188ab76b6c4cbd3a7f2d065a99f4e464fd118832eb23917fe8bdded03bd
- SSDEEP
  
  12288:M2T7qAinDx1SYFfo7y7Uw/fsbDAOG4Vf7fjwO98DiWRWF6PHMx:MW7q722oO5fsfzrVTfsP9WFaH8
Score

10^/10

djvu vidar a81bcf59d85e6e13257840e65b9d1da8 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 behavioral2