djvu | 17637590afa5a2bc8b05a682ee0c59272e6556cf3f8236c1b1e04682775cdcc6

General

Target

17637590afa5a2bc8b05a682ee0c59272e6556cf3f8236c1b1e04682775cdcc6
Size

799KB
Sample

221005-qb1fvsedb6
MD5

5dfcfe9e48bb38f6044bcd3e26fe7a6c
SHA1

038f76909d23ed04ce2eb19209e537e15f5c434d
SHA256

17637590afa5a2bc8b05a682ee0c59272e6556cf3f8236c1b1e04682775cdcc6
SHA512

3ffbca083c4380b7b5fd14f77fd610d09d5d29f5455544dc810485f20a0f55bc1c99464ed8100541f49e9f5b5dc07893940568e4038511af37ea81790854ecbf
SSDEEP

24576:s7aqu6hlZhgwqEmColSHfsnIMbwUCyAA4FOdE8rZWVEn:0sIrv0msnIM0UteFOdfrZWGn

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.adlg
offline_id
z8lhl4oForVEc7gy9Ra8rSqjYMl3xiFRuIW4not1
payload_url
http://rgyui.top/dl/build2.exe
http://winnlinne.com/files/1/build3.exe
ransomnote
ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-g28rVcqA58 Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: support@bestyourmail.ch Reserve e-mail address to contact us: datarestorehelp@airmail.cc Your personal ID: 0570Jhyjd

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
  
  17637590afa5a2bc8b05a682ee0c59272e6556cf3f8236c1b1e04682775cdcc6
- Size
  
  799KB
- MD5
  
  5dfcfe9e48bb38f6044bcd3e26fe7a6c
- SHA1
  
  038f76909d23ed04ce2eb19209e537e15f5c434d
- SHA256
  
  17637590afa5a2bc8b05a682ee0c59272e6556cf3f8236c1b1e04682775cdcc6
- SHA512
  
  3ffbca083c4380b7b5fd14f77fd610d09d5d29f5455544dc810485f20a0f55bc1c99464ed8100541f49e9f5b5dc07893940568e4038511af37ea81790854ecbf
- SSDEEP
  
  24576:s7aqu6hlZhgwqEmColSHfsnIMbwUCyAA4FOdE8rZWVEn:0sIrv0msnIM0UteFOdfrZWGn
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