djvu | 63b79e3e86df9c0b972578896a8fd1d6f53b339b0e704ae584151248ad3f26f5

General

Target

JC_63b79e3e86df9c0b972578896a8fd1d6f53b339b0e704ae584151248ad3f26f5
Size

841KB
Sample

230901-xvmgnsgh9y
MD5

62d278c19cc59db695c25f226d6065a3
SHA1

cfbab123d53d952ca0a53f5b32ebb3f2a4a350dd
SHA256

63b79e3e86df9c0b972578896a8fd1d6f53b339b0e704ae584151248ad3f26f5
SHA512

71c108f8aebe04f374f3731e847031f088d9005d3be620c855e926dc535708d9d2f57f3ef9cf0b12f15eb07bfbc9cad85e51a736f2042a7ee36edc3356f2f001
SSDEEP

12288:EMtVdR5v298FuVzyCifS9YNiBoJ4Mz2MyxoUy2hVHZlo7j5:E+rVFuVzyCiq9FBoJ462MyxBy2To7F

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.nztt
offline_id
fe7vbai057v1PzegcJrFdG7DjT3mL5gUtMQkLrt1
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-E4b0Td2MBH 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: 0772JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

5.4

Botnet

25f5344bfcb62e75b7946c3a681aec54

C2

https://t.me/vogogor

https://steamcommunity.com/profiles/76561199545993403

Attributes

profile_id_v2
25f5344bfcb62e75b7946c3a681aec54
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.2.13 (KHTML, like Gecko) Version/16.5.2 Safari/605.2.13

Targets

- Target
  
  JC_63b79e3e86df9c0b972578896a8fd1d6f53b339b0e704ae584151248ad3f26f5
- Size
  
  841KB
- MD5
  
  62d278c19cc59db695c25f226d6065a3
- SHA1
  
  cfbab123d53d952ca0a53f5b32ebb3f2a4a350dd
- SHA256
  
  63b79e3e86df9c0b972578896a8fd1d6f53b339b0e704ae584151248ad3f26f5
- SHA512
  
  71c108f8aebe04f374f3731e847031f088d9005d3be620c855e926dc535708d9d2f57f3ef9cf0b12f15eb07bfbc9cad85e51a736f2042a7ee36edc3356f2f001
- SSDEEP
  
  12288:EMtVdR5v298FuVzyCifS9YNiBoJ4Mz2MyxoUy2hVHZlo7j5:E+rVFuVzyCiq9FBoJ462MyxBy2To7F
Score

10^/10

djvu vidar 25f5344bfcb62e75b7946c3a681aec54 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
- 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