djvu | fff4182c2e3cfc9932cc64c5f13e16d948c1b653a121959acbde4ff9683c36fb

General

Target

fff4182c2e3cfc9932cc64c5f13e16d948c1b653a121959acbde4ff9683c36fb
Size

741KB
Sample

230331-beh9esga86
MD5

93b8dfd792940e15c3e744b79b8236eb
SHA1

89a77261c041e0e5e9cee804884ef7d0030bd590
SHA256

fff4182c2e3cfc9932cc64c5f13e16d948c1b653a121959acbde4ff9683c36fb
SHA512

28054ae6d1d6852b7c43e3a868c2dac25a78977e300ba8d77a7606bd9d0c36ad957199de7521335a4d87bb9fcb008e3a6529d2a042ca847f9b25c8b14a46c724
SSDEEP

12288:1jl/KkOGIU9HurSUvvgmV01Ihv0sKA4VOFx33qQRE1CDJ1:Sk3IOuuUvgehv0vA4SC1Cj

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.jycx
offline_id
MEMHlobHgXqvmTWaMsLcwGZhDOd00bblO1yevst1
payload_url
http://uaery.top/dl/build2.exe

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

Extracted

Family

vidar

Version

3.2

Botnet

5df88deb5dde677ba658b77ad5f60248

C2

https://steamcommunity.com/profiles/76561199489580435

https://t.me/tabootalks

Attributes

profile_id_v2
5df88deb5dde677ba658b77ad5f60248
user_agent
Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36 OPR/91.0.4516.79

Targets

- Target
  
  fff4182c2e3cfc9932cc64c5f13e16d948c1b653a121959acbde4ff9683c36fb
- Size
  
  741KB
- MD5
  
  93b8dfd792940e15c3e744b79b8236eb
- SHA1
  
  89a77261c041e0e5e9cee804884ef7d0030bd590
- SHA256
  
  fff4182c2e3cfc9932cc64c5f13e16d948c1b653a121959acbde4ff9683c36fb
- SHA512
  
  28054ae6d1d6852b7c43e3a868c2dac25a78977e300ba8d77a7606bd9d0c36ad957199de7521335a4d87bb9fcb008e3a6529d2a042ca847f9b25c8b14a46c724
- SSDEEP
  
  12288:1jl/KkOGIU9HurSUvvgmV01Ihv0sKA4VOFx33qQRE1CDJ1:Sk3IOuuUvgehv0vA4SC1Cj
Score

10^/10

djvu vidar 5df88deb5dde677ba658b77ad5f60248 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