djvu | 1357fad9f8a32adf8ce27d17af1a5554db29999b18774c1252ab3589bba67709

General

Target

1357fad9f8a32adf8ce27d17af1a5554db29999b18774c1252ab3589bba67709
Size

664KB
Sample

221005-3v5k5sgaa3
MD5

b6664440d6197e40b80de0178b6a6820
SHA1

7a42f3b1f6921f9a1b5e7be11474733d64ccc013
SHA256

1357fad9f8a32adf8ce27d17af1a5554db29999b18774c1252ab3589bba67709
SHA512

2c2d21d0770ce204ccd7c1c589dabbb7d41b07b60355da4238962d0c8df11641f96d471a9eef881a5fb9c4401aa9accc76c1e13efadb755b41b12cfff1317a52
SSDEEP

12288:jv9WIgQwEI4WdWi+xP+9Hu4Bq19Eb4nF1scwyHF4F9LlrMDhCKI2t1En:jXn7IMi+6I9Eb+1jy9L1ICKIyi

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.adww
offline_id
z8lhl4oForVEc7gy9Ra8rSqjYMl3xiFRuIW4not1
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

54.9

Botnet

517

C2

https://t.me/larsenup

https://ioc.exchange/@zebra54

Attributes

profile_id
517

Targets

- Target
  
  1357fad9f8a32adf8ce27d17af1a5554db29999b18774c1252ab3589bba67709
- Size
  
  664KB
- MD5
  
  b6664440d6197e40b80de0178b6a6820
- SHA1
  
  7a42f3b1f6921f9a1b5e7be11474733d64ccc013
- SHA256
  
  1357fad9f8a32adf8ce27d17af1a5554db29999b18774c1252ab3589bba67709
- SHA512
  
  2c2d21d0770ce204ccd7c1c589dabbb7d41b07b60355da4238962d0c8df11641f96d471a9eef881a5fb9c4401aa9accc76c1e13efadb755b41b12cfff1317a52
- SSDEEP
  
  12288:jv9WIgQwEI4WdWi+xP+9Hu4Bq19Eb4nF1scwyHF4F9LlrMDhCKI2t1En:jXn7IMi+6I9Eb+1jy9L1ICKIyi
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