djvu | c400cbf24484aebb80dac19e77a0baf4d53facb3f5f753f0ab97a2a75e5572dc

General

Target

c400cbf24484aebb80dac19e77a0baf4d53facb3f5f753f0ab97a2a75e5572dc
Size

736KB
Sample

230422-kefb7sfe61
MD5

38f67762143f13f19cd9d1cff42dd58d
SHA1

0387b6a13451c96053aab665f6deefe0b881be7b
SHA256

c400cbf24484aebb80dac19e77a0baf4d53facb3f5f753f0ab97a2a75e5572dc
SHA512

ef773fc47a366e5649c11b66961269af5f55f3df10e8f0252ca77c489d154d1ea2f04b34fe5bb8d64ea4b8706263904c43333051c0a058eb90ee4391a765a075
SSDEEP

12288:5yQaypclfIw2w7qzeFjc/vVctoqXmAQJFNiTeGW6afXcI/zLSqlCNQoG2:5yQarpItw7bQ/qXKITgfMI/zLSLQo

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
  
  c400cbf24484aebb80dac19e77a0baf4d53facb3f5f753f0ab97a2a75e5572dc
- Size
  
  736KB
- MD5
  
  38f67762143f13f19cd9d1cff42dd58d
- SHA1
  
  0387b6a13451c96053aab665f6deefe0b881be7b
- SHA256
  
  c400cbf24484aebb80dac19e77a0baf4d53facb3f5f753f0ab97a2a75e5572dc
- SHA512
  
  ef773fc47a366e5649c11b66961269af5f55f3df10e8f0252ca77c489d154d1ea2f04b34fe5bb8d64ea4b8706263904c43333051c0a058eb90ee4391a765a075
- SSDEEP
  
  12288:5yQaypclfIw2w7qzeFjc/vVctoqXmAQJFNiTeGW6afXcI/zLSqlCNQoG2:5yQarpItw7bQ/qXKITgfMI/zLSLQo
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