djvu | 332f6c7b9901126e8e2b4c9416b0df98aac1bf94fd6f79f9de0b8f7e141471f4

General

Target

setup.exe
Size

695KB
Sample

230403-nxbnhsed74
MD5

e858fdb644036df6b91573aee5688c2a
SHA1

7e4bd9b6d3a9e49dc0a4780e0f648db8b99e0dd0
SHA256

332f6c7b9901126e8e2b4c9416b0df98aac1bf94fd6f79f9de0b8f7e141471f4
SHA512

fdc300a701426cdddec8f8a3523aa3f1e4fb50a578120a0bad5f5ac84d23935de80c2336204580d08b80efe4d6deec491795bdd85fca065738c3e1791faee091
SSDEEP

12288:uAzZmWoVkSNqYQOb1ygsqkuqBz+U5qnSC65JqVDUggqFutA5F:9sWo4xEOt3BJ5KS9qtUgghKF

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.nifr
offline_id
FCP2fiITr4rryFhFBnA59GMgwES5CunmcbPc76t1
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
  
  setup.exe
- Size
  
  695KB
- MD5
  
  e858fdb644036df6b91573aee5688c2a
- SHA1
  
  7e4bd9b6d3a9e49dc0a4780e0f648db8b99e0dd0
- SHA256
  
  332f6c7b9901126e8e2b4c9416b0df98aac1bf94fd6f79f9de0b8f7e141471f4
- SHA512
  
  fdc300a701426cdddec8f8a3523aa3f1e4fb50a578120a0bad5f5ac84d23935de80c2336204580d08b80efe4d6deec491795bdd85fca065738c3e1791faee091
- SSDEEP
  
  12288:uAzZmWoVkSNqYQOb1ygsqkuqBz+U5qnSC65JqVDUggqFutA5F:9sWo4xEOt3BJ5KS9qtUgghKF
Score

10^/10

djvu vidar 5df88deb5dde677ba658b77ad5f60248 discovery persistence ransomware stealer spyware
- 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 behavioral2