djvu | a5f1c3c30378ac2f02180e0ba780e105eec80b62730ce8a24976d8116854e37b

General

Target

a5f1c3c30378ac2f02180e0ba780e105eec80b62730ce8a24976d8116854e37b
Size

788KB
Sample

230721-en52bsbh84
MD5

0171e5cdc48a19bbf3d0a4271784dcdd
SHA1

912c9d99a32a010f44c3fb2f12035efd759f5dc9
SHA256

a5f1c3c30378ac2f02180e0ba780e105eec80b62730ce8a24976d8116854e37b
SHA512

1f29e6d5e45fadff709278f95b0d2e9134e01c35f681f7fd974f7ba4615b379b444e3d9fe5f034d4290bcce9206642b62c4c629606965e582972771392d7a98a
SSDEEP

24576:BmYdb94DdCMvOkIeoZQngU1JgFXCEFLf8l:guiDHRFoZ0sXl

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.kiqu
offline_id
NGHsYuVPwlgoEkG3ENtueNmXtFHSWod7fYayU9t1
payload_url
http://colisumy.com/dl/build2.exe

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

Extracted

Family

vidar

Version

4.8

Botnet

https://t.me/sundayevent

C2

https://t.me/sundayevent

https://steamcommunity.com/profiles/76561198982268531

Attributes

profile_id_v2
https://t.me/sundayevent
user_agent
Mozilla/5.0 (X11; Linux 3.5.4-1-ARCH i686; es) KHTML/4.9.1 (like Gecko) Konqueror/4.9

Targets

- Target
  
  a5f1c3c30378ac2f02180e0ba780e105eec80b62730ce8a24976d8116854e37b
- Size
  
  788KB
- MD5
  
  0171e5cdc48a19bbf3d0a4271784dcdd
- SHA1
  
  912c9d99a32a010f44c3fb2f12035efd759f5dc9
- SHA256
  
  a5f1c3c30378ac2f02180e0ba780e105eec80b62730ce8a24976d8116854e37b
- SHA512
  
  1f29e6d5e45fadff709278f95b0d2e9134e01c35f681f7fd974f7ba4615b379b444e3d9fe5f034d4290bcce9206642b62c4c629606965e582972771392d7a98a
- SSDEEP
  
  24576:BmYdb94DdCMvOkIeoZQngU1JgFXCEFLf8l:guiDHRFoZ0sXl
Score

10^/10

djvu vidar https://t.me/sundayevent 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