djvu | 897c99f4ada6702f7c303fa4cb2b558b0bfabd45f80cdd42912dba40c38bae51

General

Target

897c99f4ada6702f7c303fa4cb2b558b0bfabd45f80cdd42912dba40c38bae51
Size

713KB
Sample

221020-y28h6achgp
MD5

9ccf1911ce6ab46b6b099e34ef9b13ac
SHA1

c424d290599a3cbcc3c956a7c43e03f3a57dd70f
SHA256

897c99f4ada6702f7c303fa4cb2b558b0bfabd45f80cdd42912dba40c38bae51
SHA512

9b0695d5e7d5f6b284e108e467bc2662cf7cae9fa27980f7bd47f041c605f16ab89c2e422531597edb85ef8607400f939d8954927c9fc79955c06b50105f04b4
SSDEEP

12288:BKyuAYVMxvNIctN34HOv4jee5Z4EOTkKLQZN8nymoEWxwpnBL9VCybKp49P:BBYVMxft9sa4Kg2EPKLACuEgKd9ep4

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.tuis
offline_id
Uz66zEbmA32arcxwT81zZhkb23026oHz5iSp8qt1
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

55.1

Botnet

517

C2

https://t.me/tg_privatetalk

https://nerdculture.de/@yixehi33

Attributes

profile_id
517

Targets

- Target
  
  897c99f4ada6702f7c303fa4cb2b558b0bfabd45f80cdd42912dba40c38bae51
- Size
  
  713KB
- MD5
  
  9ccf1911ce6ab46b6b099e34ef9b13ac
- SHA1
  
  c424d290599a3cbcc3c956a7c43e03f3a57dd70f
- SHA256
  
  897c99f4ada6702f7c303fa4cb2b558b0bfabd45f80cdd42912dba40c38bae51
- SHA512
  
  9b0695d5e7d5f6b284e108e467bc2662cf7cae9fa27980f7bd47f041c605f16ab89c2e422531597edb85ef8607400f939d8954927c9fc79955c06b50105f04b4
- SSDEEP
  
  12288:BKyuAYVMxvNIctN34HOv4jee5Z4EOTkKLQZN8nymoEWxwpnBL9VCybKp49P:BBYVMxft9sa4Kg2EPKLACuEgKd9ep4
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