djvu | 80ad241292a555cd24776e5ae5713f39f81c08c76ea553c9790e46e19f37891b

General

Target

80ad241292a555cd24776e5ae5713f39f81c08c76ea553c9790e46e19f37891b
Size

801KB
Sample

220923-acs56scfe3
MD5

686cb20c7aa48b172aeec05d79777bfb
SHA1

54e8e8105f8c9363e8a7b6bb8a1531236c35e748
SHA256

80ad241292a555cd24776e5ae5713f39f81c08c76ea553c9790e46e19f37891b
SHA512

ee9766a20d29a65ea8474592a66fd76883bb154eeffcd0e55922c535ccf09d49836f77ddc33d05f0abb80c89ef2af3a38f3218b418fe5e2ff8e35c90200c8c2e
SSDEEP

12288:2XumWi6wXgCbXocK/9XHxd06UShz69QSvddlkJRfSC6GiQZvWnGIAXgsADxarX60:2Xu0gi2x26JxuldeJACRiQZvWGIlxP0

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.oflg
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

54.6

Botnet

517

C2

https://t.me/huobiinside

https://mas.to/@kyriazhs1975

Attributes

profile_id
517

Targets

- Target
  
  80ad241292a555cd24776e5ae5713f39f81c08c76ea553c9790e46e19f37891b
- Size
  
  801KB
- MD5
  
  686cb20c7aa48b172aeec05d79777bfb
- SHA1
  
  54e8e8105f8c9363e8a7b6bb8a1531236c35e748
- SHA256
  
  80ad241292a555cd24776e5ae5713f39f81c08c76ea553c9790e46e19f37891b
- SHA512
  
  ee9766a20d29a65ea8474592a66fd76883bb154eeffcd0e55922c535ccf09d49836f77ddc33d05f0abb80c89ef2af3a38f3218b418fe5e2ff8e35c90200c8c2e
- SSDEEP
  
  12288:2XumWi6wXgCbXocK/9XHxd06UShz69QSvddlkJRfSC6GiQZvWnGIAXgsADxarX60:2Xu0gi2x26JxuldeJACRiQZvWGIlxP0
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