djvu | 855b18702df3076d4e218ca7f24ce5fc17e3db3227c59f88a4e58c9fd66ba6da

General

Target

855b18702df3076d4e218ca7f24ce5fc17e3db3227c59f88a4e58c9fd66ba6da
Size

846KB
Sample

211128-ypwc3adeb3
MD5

b1de8f51357c25625d21aa4c1a7f74be
SHA1

a37dac2b1b9fd2e1a43170b57e97c9109794e3f2
SHA256

855b18702df3076d4e218ca7f24ce5fc17e3db3227c59f88a4e58c9fd66ba6da
SHA512

013eb762f4575800b1efc8875091eb6f0fe10726149490339d78f2d437e808d35475953cfc6a3255e203a2010b4cd9b87339b7b735002fbff3de92c077d5cbd3

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://tzgl.org/fhsgtsspen6/get.php

Attributes

extension
.rigj
offline_id
Z5GGASEfY71jtxU3i3E8kzvrTJmY9oiZkjcSm0t1
payload_url
http://kotob.top/dl/build2.exe
http://tzgl.org/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-Tjb0YqckGX 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: manager@mailtemp.ch Reserve e-mail address to contact us: helprestoremanager@airmail.cc Your personal ID: 0353gSd743d

rsa_pubkey.plain

Extracted

Family

vidar

Version

48.7

Botnet

517

C2

https://mstdn.social/@anapa

https://mastodon.social/@mniami

Attributes

profile_id
517

Targets

- Target
  
  855b18702df3076d4e218ca7f24ce5fc17e3db3227c59f88a4e58c9fd66ba6da
- Size
  
  846KB
- MD5
  
  b1de8f51357c25625d21aa4c1a7f74be
- SHA1
  
  a37dac2b1b9fd2e1a43170b57e97c9109794e3f2
- SHA256
  
  855b18702df3076d4e218ca7f24ce5fc17e3db3227c59f88a4e58c9fd66ba6da
- SHA512
  
  013eb762f4575800b1efc8875091eb6f0fe10726149490339d78f2d437e808d35475953cfc6a3255e203a2010b4cd9b87339b7b735002fbff3de92c077d5cbd3
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
- Vidar Stealer
  stealer
- 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