djvu | d3f9aa079b87458df530ba18547917eb0bdd1a58ba10d1ef908239e228cf9da3

General

Target

d3f9aa079b87458df530ba18547917eb0bdd1a58ba10d1ef908239e228cf9da3
Size

745KB
Sample

221016-1rz55sacfl
MD5

cfed86651a4167ff8ae6d706072d4992
SHA1

f1b4cb887ae5c811857579a6fdd069ccd3d55242
SHA256

d3f9aa079b87458df530ba18547917eb0bdd1a58ba10d1ef908239e228cf9da3
SHA512

caada90550462da8db8e31f338c1023289f5f2bfe5d2a70302ffd396b4b2fe1008f5643b119a757d7cd683cd358117193961f50ed41b9e675549b599d5d69f15
SSDEEP

12288:FV4TkqiacwcqlUFdJqmZIQX8syByy4+dKMpib+i1BN3PPrqDYfJdxH:FPPScqltvs24+dViRhqCd

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.tuis
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

Botnet

517

C2

https://t.me/truewallets

https://mas.to/@zara99

http://116.203.10.3:80

Attributes

profile_id
517

Targets

- Target
  
  d3f9aa079b87458df530ba18547917eb0bdd1a58ba10d1ef908239e228cf9da3
- Size
  
  745KB
- MD5
  
  cfed86651a4167ff8ae6d706072d4992
- SHA1
  
  f1b4cb887ae5c811857579a6fdd069ccd3d55242
- SHA256
  
  d3f9aa079b87458df530ba18547917eb0bdd1a58ba10d1ef908239e228cf9da3
- SHA512
  
  caada90550462da8db8e31f338c1023289f5f2bfe5d2a70302ffd396b4b2fe1008f5643b119a757d7cd683cd358117193961f50ed41b9e675549b599d5d69f15
- SSDEEP
  
  12288:FV4TkqiacwcqlUFdJqmZIQX8syByy4+dKMpib+i1BN3PPrqDYfJdxH:FPPScqltvs24+dViRhqCd
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
- 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