djvu | 188c586ed738a6e28416cf49bb17d5a66ac19f767e095b959ca84ef900d22735

General

Target

188c586ed738a6e28416cf49bb17d5a66ac19f767e095b959ca84ef900d22735_JC.exe
Size

787KB
Sample

230903-lezxaahc24
MD5

5d21060735fa451daef340b707b32807
SHA1

5d2a34c309d1fa2b71e9380489df5b5cbcdd7a78
SHA256

188c586ed738a6e28416cf49bb17d5a66ac19f767e095b959ca84ef900d22735
SHA512

57ea1f39692fbf86afb8dffe0f4e57dadbc046e5792f3a3203b490d09949ea0c5ae27d49afa16e530306fdc84d1110226450e7eba34ea7bcf8330561c6c99ad0
SSDEEP

12288:vx4mzYpZz2Nez2uSph3XQySocIwMnKRQ7i2HQdFrE0rvfGWZp46GzuJjOD6ILFy:vnz/42DrqoRwMGDP1r3a6GzujQFZy

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.rzfu
offline_id
4OGfweO4lKfNTwKczrTWD8yTxQkyAGofoZhcOKt1
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-RX6ODkr7XJ 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: 0775AUSdjl

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
  
  188c586ed738a6e28416cf49bb17d5a66ac19f767e095b959ca84ef900d22735_JC.exe
- Size
  
  787KB
- MD5
  
  5d21060735fa451daef340b707b32807
- SHA1
  
  5d2a34c309d1fa2b71e9380489df5b5cbcdd7a78
- SHA256
  
  188c586ed738a6e28416cf49bb17d5a66ac19f767e095b959ca84ef900d22735
- SHA512
  
  57ea1f39692fbf86afb8dffe0f4e57dadbc046e5792f3a3203b490d09949ea0c5ae27d49afa16e530306fdc84d1110226450e7eba34ea7bcf8330561c6c99ad0
- SSDEEP
  
  12288:vx4mzYpZz2Nez2uSph3XQySocIwMnKRQ7i2HQdFrE0rvfGWZp46GzuJjOD6ILFy:vnz/42DrqoRwMGDP1r3a6GzujQFZy
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