djvu | 9f3b9459fbc0b2d77e67a2c4c132125f07f2109a7e56bbf3e3b0d02c8a1e8b55

General

Target

file.exe
Size

846KB
Sample

220927-xh2qtsebg9
MD5

b82e3da9b68a969622a59c6536ce1251
SHA1

790c1f1497d356951eb32eeae1c2acdcee768c36
SHA256

9f3b9459fbc0b2d77e67a2c4c132125f07f2109a7e56bbf3e3b0d02c8a1e8b55
SHA512

efa8f689df57b816bdbc723c69d8cd24947c9577cefff0305b6a61b9a618099299954264ba304fd7a403c23e53c3fa71da84209bb640f58fe746cd0c30696c05
SSDEEP

24576:q346yXnF1OtPE7Iuu+g0qZYrSV3S2DQri:q34LXzTI5+C8SNS2DQ

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://winnlinne.com/test3/get.php

Attributes

extension
.ofoq
offline_id
xkNzhkB1wvgoDI7Uo0HPNLY3qCuwoFpP7nlhlut1
payload_url
http://rgyui.top/dl/build2.exe

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

Extracted

Family

vidar

Version

54.7

Botnet

517

C2

https://t.me/trampapanam

https://nerdculture.de/@yoxhyp

Attributes

profile_id
517

Targets

- Target
  
  file.exe
- Size
  
  846KB
- MD5
  
  b82e3da9b68a969622a59c6536ce1251
- SHA1
  
  790c1f1497d356951eb32eeae1c2acdcee768c36
- SHA256
  
  9f3b9459fbc0b2d77e67a2c4c132125f07f2109a7e56bbf3e3b0d02c8a1e8b55
- SHA512
  
  efa8f689df57b816bdbc723c69d8cd24947c9577cefff0305b6a61b9a618099299954264ba304fd7a403c23e53c3fa71da84209bb640f58fe746cd0c30696c05
- SSDEEP
  
  24576:q346yXnF1OtPE7Iuu+g0qZYrSV3S2DQri:q34LXzTI5+C8SNS2DQ
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
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- 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