djvu | 37288bf63f4f3e5a4a7473c1b6901af773e471b1220c1ed90dd1444305b16e6c

General

Target

37288bf63f4f3e5a4a7473c1b6901af773e471b1220c1ed90dd1444305b16e6c
Size

734KB
Sample

230201-mmwehach48
MD5

87fdb817f23819d66aa76611694525cf
SHA1

4b4d231ba899be8a4973a96fe86cd34bd79dd05f
SHA256

37288bf63f4f3e5a4a7473c1b6901af773e471b1220c1ed90dd1444305b16e6c
SHA512

0b24bc7c2883bddb0e0049ee40221a8cbcf268b61d554de9e18b3f161b73c5d4133354e39bcb1dcb251c462b1ca2efc30d7f2a5e0801d80d9f638843afa39ea6
SSDEEP

12288:yWgrbPVJ5U7ClZ/vv1uSgD3dQX+aH0+PckWY3cZ8uhH/HQdS2oDP2frutBVxuukp:yHJOWlxYSUQXZHrEkxsB/iSND2kzxujp

Score

10^/10

djvu vidar 19 discovery persistence ransomware spyware stealer

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.erqw
offline_id
xVB7l5LcUtDGyghMgGsTvebrKc0RGgDXlN1BoKt1
payload_url
http://uaery.top/dl/build2.exe

http://drampik.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-8pCGyFnOj6 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: 0639JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

2.3

Botnet

19

C2

https://t.me/mantarlars

https://steamcommunity.com/profiles/76561199474840123

Attributes

profile_id
19

Targets

- Target
  
  37288bf63f4f3e5a4a7473c1b6901af773e471b1220c1ed90dd1444305b16e6c
- Size
  
  734KB
- MD5
  
  87fdb817f23819d66aa76611694525cf
- SHA1
  
  4b4d231ba899be8a4973a96fe86cd34bd79dd05f
- SHA256
  
  37288bf63f4f3e5a4a7473c1b6901af773e471b1220c1ed90dd1444305b16e6c
- SHA512
  
  0b24bc7c2883bddb0e0049ee40221a8cbcf268b61d554de9e18b3f161b73c5d4133354e39bcb1dcb251c462b1ca2efc30d7f2a5e0801d80d9f638843afa39ea6
- SSDEEP
  
  12288:yWgrbPVJ5U7ClZ/vv1uSgD3dQX+aH0+PckWY3cZ8uhH/HQdS2oDP2frutBVxuukp:yHJOWlxYSUQXZHrEkxsB/iSND2kzxujp
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
- 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