djvu | b348352d17892daa2b09be7e8e62df0718c6b81e0e74d2fdb9e86f0fb422dbf7

General

Target
b348352d17892daa2b09be7e8e62df0718c6b81e0e74d2fdb9e86f0fb422dbf7
Size 815KB
Sample221122-j5qeesfb57
SHA256 b348352d17892daa2b09be7e8e62df0718c6b81e0e74d2fdb9e86f0fb422dbf7
MD5 6ff954f962904d39372e022f0e5fcf20
SHA1 33fbba3e515e5dbc34183f9a8e7a543aa7f0622d
SHA512 0db46f234f0c04ce04671b630ac192b136878569436ba55a391885b7c0fb1ec9e220d9fd72f7ed7ecf731b51097586ca5b996e5edc8b4604af79c75a20c31a69
SSDEEP 12288:8LHX5/Oo6YnYQp0JoyscrycW4YSSze6YcKBPhVkDQzexjpHfhYO2Aq6zc8wG:8LhOCnY7sWyXxD5KhhKQ4ZhY8q6zc
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.tcvp
offline_id
JBPpFMvWlKMsKlJRmPJl5e09RSnYrRJya1oX8xt1
payload_url
http://uaery.top/dl/build2.exe

http://fresherlights.com/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Extracted

Family

vidar

Version

55.7

Botnet

517

C2

https://t.me/deadftx
https://www.ultimate-guitar.com/u/smbfupkuhrgc1

Attributes

profile_id
517

Targets

- Target
  b348352d17892daa2b09be7e8e62df0718c6b81e0e74d2fdb9e86f0fb422dbf7
- Size 815KB
- SHA256 b348352d17892daa2b09be7e8e62df0718c6b81e0e74d2fdb9e86f0fb422dbf7
- MD5 6ff954f962904d39372e022f0e5fcf20
- SHA1 33fbba3e515e5dbc34183f9a8e7a543aa7f0622d
- SHA512 0db46f234f0c04ce04671b630ac192b136878569436ba55a391885b7c0fb1ec9e220d9fd72f7ed7ecf731b51097586ca5b996e5edc8b4604af79c75a20c31a69
- SSDEEP 12288:8LHX5/Oo6YnYQp0JoyscrycW4YSSze6YcKBPhVkDQzexjpHfhYO2Aq6zc8wG:8LhOCnY7sWyXxD5KhhKQ4ZhY8q6zc
- MD5 SHA1 SHA512 SSDEEP
Score

10^/10

djvu vidar 517 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
- 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