djvu | 1e3f34f35c7965dfdb4cd19f20a43eee4007a7b4c96b21129971b7765882e7d9

General

Target
1e3f34f35c7965dfdb4cd19f20a43eee4007a7b4c96b21129971b7765882e7d9
Size 713KB
Sample230216-cyd99afd35
SHA256 1e3f34f35c7965dfdb4cd19f20a43eee4007a7b4c96b21129971b7765882e7d9
MD5 51a95db2a6288c2e11a3925e5c3538b5
SHA1 2f7b29cbd861129b6e56b0652fe551d88f1a5fe6
SHA512 de329157e9e8e5de46f320a6ebfd9c0854c8787e534e5bf88f6c3aaddb94870292e481c929c8b37bbbe501095a60b2a3214bc080c889e178c2083a45030591a6
SSDEEP 12288:ErD6i4ccx1svhmky5X7mV0W0zQzclKJsnBEnBG4r0II1am4OW46x:ErB4cisSBWWicU4EnBzYhaN
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

djvu vidar 19 discovery persistence ransomware spyware stealer

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.hhoo
offline_id
dMMXkgwQTycP13C5xwPbHDSzhx1ZxiPgIMZXewt1
payload_url
http://uaery.top/dl/build2.exe

http://bihsy.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-UQkYLBSiQ4 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: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0648JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

2.5

Botnet

19

Attributes

profile_id
19

Targets

- Target
  1e3f34f35c7965dfdb4cd19f20a43eee4007a7b4c96b21129971b7765882e7d9
- Size 713KB
- SHA256 1e3f34f35c7965dfdb4cd19f20a43eee4007a7b4c96b21129971b7765882e7d9
- MD5 51a95db2a6288c2e11a3925e5c3538b5
- SHA1 2f7b29cbd861129b6e56b0652fe551d88f1a5fe6
- SHA512 de329157e9e8e5de46f320a6ebfd9c0854c8787e534e5bf88f6c3aaddb94870292e481c929c8b37bbbe501095a60b2a3214bc080c889e178c2083a45030591a6
- SSDEEP 12288:ErD6i4ccx1svhmky5X7mV0W0zQzclKJsnBEnBG4r0II1am4OW46x:ErB4cisSBWWicU4EnBzYhaN
- MD5 SHA1 SHA512 SSDEEP
Score

10^/10

djvu vidar 19 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
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- 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