djvu | 3fb465e1f653bda457e90198a7045fd7bb73e3c6fd2faa2645d47b30a51be5ac

General

Target

3fb465e1f653bda457e90198a7045fd7bb73e3c6fd2faa2645d47b30a51be5ac
Size

664KB
Sample

221129-j3cqjsbc53
MD5

84ab6830ccafc785bf2a3ed6b4798b34
SHA1

5ae89ff4f0a658914c149d78c4164f3449a899d3
SHA256

3fb465e1f653bda457e90198a7045fd7bb73e3c6fd2faa2645d47b30a51be5ac
SHA512

16ef115f1a692f54e032eb9ffc51da252436a801ae596c39351bb2b9f62f72a1743d985067dea05f8c1b54313efd5cc59919929757d25cf889111a11aee3c0b7
SSDEEP

12288:eZihIeKUrHIF9O26lAflNvmlA0JcuzvfoWyzadkdA/v//bz2o6nMN:xhIeKUroFI6lD0+uzvVyEkdqfgM

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.kcvp
offline_id
hlqzhQ6w5SquNDF4Ul2XBDJQkSIKbAT6rmRBTit1
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

55.9

Botnet

517

C2

https://t.me/headshotsonly

https://steamcommunity.com/profiles/76561199436777531

Attributes

profile_id
517

Targets

- Target
  
  3fb465e1f653bda457e90198a7045fd7bb73e3c6fd2faa2645d47b30a51be5ac
- Size
  
  664KB
- MD5
  
  84ab6830ccafc785bf2a3ed6b4798b34
- SHA1
  
  5ae89ff4f0a658914c149d78c4164f3449a899d3
- SHA256
  
  3fb465e1f653bda457e90198a7045fd7bb73e3c6fd2faa2645d47b30a51be5ac
- SHA512
  
  16ef115f1a692f54e032eb9ffc51da252436a801ae596c39351bb2b9f62f72a1743d985067dea05f8c1b54313efd5cc59919929757d25cf889111a11aee3c0b7
- SSDEEP
  
  12288:eZihIeKUrHIF9O26lAflNvmlA0JcuzvfoWyzadkdA/v//bz2o6nMN:xhIeKUroFI6lD0+uzvVyEkdqfgM
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