djvu | b6388a0af6438da0650e8ae4fe2269f0d7474c86492d3310539669c30ab8618f

General

Target

b6388a0af6438da0650e8ae4fe2269f0d7474c86492d3310539669c30ab8618f
Size

705KB
Sample

221123-t19bvaff66
MD5

472862b6834a8e5207a46995a87f1995
SHA1

3b7c92eacb6453bd828b184f5bdfa651aec58246
SHA256

b6388a0af6438da0650e8ae4fe2269f0d7474c86492d3310539669c30ab8618f
SHA512

1b668ba0dd0d555b3a2e37174919f2eb0538a101ae4afd50933930e42c6241034fffd514a153b29e1e51e0508868911a47307e9900ff9f5bf96d4d0aaf62b345
SSDEEP

12288:NuXeuHQMBuoTHC82XKn2ASmXFEwO2xbK8tq/DoREpZk0sAO+2:NsQKuqixK2AJyEbTtLRgkMOR

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.tcvp
offline_id
JBPpFMvWlKMsKlJRmPJl5e09RSnYrRJya1oX8xt1
payload_url
http://uaery.top/dl/build2.exe

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

Extracted

Family

vidar

Version

55.8

Botnet

517

C2

https://t.me/headshotsonly

https://steamcommunity.com/profiles/76561199436777531

Attributes

profile_id
517

Targets

- Target
  
  b6388a0af6438da0650e8ae4fe2269f0d7474c86492d3310539669c30ab8618f
- Size
  
  705KB
- MD5
  
  472862b6834a8e5207a46995a87f1995
- SHA1
  
  3b7c92eacb6453bd828b184f5bdfa651aec58246
- SHA256
  
  b6388a0af6438da0650e8ae4fe2269f0d7474c86492d3310539669c30ab8618f
- SHA512
  
  1b668ba0dd0d555b3a2e37174919f2eb0538a101ae4afd50933930e42c6241034fffd514a153b29e1e51e0508868911a47307e9900ff9f5bf96d4d0aaf62b345
- SSDEEP
  
  12288:NuXeuHQMBuoTHC82XKn2ASmXFEwO2xbK8tq/DoREpZk0sAO+2:NsQKuqixK2AJyEbTtLRgkMOR
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