djvu | 65677a9fd2c07b15e5fa70ec64a78a425da7def6c77ab5e8ba9fc5629da6917f

General

Target

setup.exe
Size

734KB
Sample

230424-amr1vsgg49
MD5

896554b49f480f41f671b8f550818b38
SHA1

194c9ae587d1107c37879a83766c5de0d6ba26c4
SHA256

65677a9fd2c07b15e5fa70ec64a78a425da7def6c77ab5e8ba9fc5629da6917f
SHA512

6ada538f5100ed9f4e5cb884fd04ddf1dea59bd04edb7db5544f462686896cee1c3d5e542d83971f7e01d1d33d56aaa4de4473a767def9f9438634710456789a
SSDEEP

12288:l/6onYZWtdFDOt1Y1KsVZ0TR/4s+Gw6wimG3XR/OJmYsQ4CKb3M0hN3:56O2mzyRRBfOJma4CihZ

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.coza
offline_id
O8Ao46dcCReRPC4I1PGMYsRFFc9WI5eOp0O3MFt1
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-EPBZCVAS8s 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: 0693JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

3.5

Botnet

bf58e1879f88b222ba2391682babf9d8

C2

https://steamcommunity.com/profiles/76561199497218285

https://t.me/tg_duckworld

Attributes

profile_id_v2
bf58e1879f88b222ba2391682babf9d8
user_agent
Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.93 Safari/537.36 Vivaldi/3.7

Targets

- Target
  
  setup.exe
- Size
  
  734KB
- MD5
  
  896554b49f480f41f671b8f550818b38
- SHA1
  
  194c9ae587d1107c37879a83766c5de0d6ba26c4
- SHA256
  
  65677a9fd2c07b15e5fa70ec64a78a425da7def6c77ab5e8ba9fc5629da6917f
- SHA512
  
  6ada538f5100ed9f4e5cb884fd04ddf1dea59bd04edb7db5544f462686896cee1c3d5e542d83971f7e01d1d33d56aaa4de4473a767def9f9438634710456789a
- SSDEEP
  
  12288:l/6onYZWtdFDOt1Y1KsVZ0TR/4s+Gw6wimG3XR/OJmYsQ4CKb3M0hN3:56O2mzyRRBfOJma4CihZ
Score

10^/10

djvu vidar bf58e1879f88b222ba2391682babf9d8 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