djvu | 4fc20c09ea7a0070dd0cd5605ebaf27a1c5695a7a5d2aa5adcb0522d645fef77

General

Target

4fc20c09ea7a0070dd0cd5605ebaf27a1c5695a7a5d2aa5adcb0522d645fef77
Size

747KB
Sample

221020-ab39raebcn
MD5

90d802d1c0180db512db1fba36c2eff7
SHA1

85b8f2fefb93b75e47238827d2ad3c6ec53beefc
SHA256

4fc20c09ea7a0070dd0cd5605ebaf27a1c5695a7a5d2aa5adcb0522d645fef77
SHA512

d7d6f0afc7676e4b2bc4bf296be7dfa9425a0d4ca8b9bd911c28ae8d7468664d13ba87f2d8b12c62ee28cfe3156771f34994be8e61ca592d1a5cbb620d9c5229
SSDEEP

12288:AHPuxiQMtvTKmL80dJrjldNUDzjgk97EH2PTfq4fKFKiInmqdaT5X49i7Gv:AvaMtvJdFuzjtk2fqsTRmv5XciA

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.tury
offline_id
Uz66zEbmA32arcxwT81zZhkb23026oHz5iSp8qt1
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

55.1

Botnet

517

C2

https://t.me/tg_privatetalk

https://nerdculture.de/@yixehi33

Attributes

profile_id
517

Targets

- Target
  
  4fc20c09ea7a0070dd0cd5605ebaf27a1c5695a7a5d2aa5adcb0522d645fef77
- Size
  
  747KB
- MD5
  
  90d802d1c0180db512db1fba36c2eff7
- SHA1
  
  85b8f2fefb93b75e47238827d2ad3c6ec53beefc
- SHA256
  
  4fc20c09ea7a0070dd0cd5605ebaf27a1c5695a7a5d2aa5adcb0522d645fef77
- SHA512
  
  d7d6f0afc7676e4b2bc4bf296be7dfa9425a0d4ca8b9bd911c28ae8d7468664d13ba87f2d8b12c62ee28cfe3156771f34994be8e61ca592d1a5cbb620d9c5229
- SSDEEP
  
  12288:AHPuxiQMtvTKmL80dJrjldNUDzjgk97EH2PTfq4fKFKiInmqdaT5X49i7Gv:AvaMtvJdFuzjtk2fqsTRmv5XciA
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