djvu | a5fa781dd4b2318b4e787573ace6c5f83c062766b7478df610c5c30dca818b42

General

Target

a5fa781dd4b2318b4e787573ace6c5f83c062766b7478df610c5c30dca818b42
Size

752KB
Sample

230402-xxevlsaa69
MD5

1ffed63b32bbce31f1a53c9270562003
SHA1

4f20b335fea4bcdfc0f54659ff1b6ccc71f345e5
SHA256

a5fa781dd4b2318b4e787573ace6c5f83c062766b7478df610c5c30dca818b42
SHA512

b09fd5183893529ff2b73e8ade2e67722a3e9da438c08b8d2822aa70429c9ca7b76ad7fb09114868f754e2fef38dd4df61db187fa0f29802430a379d7ad475c9
SSDEEP

12288:tXjUh9aKNYkbnkGvrJpADS9tCIM1c+LEFEgnWvvQ1dGt:Ch9vAGvrJpAm9tXM1c+Lu0kdGt

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://zexeq.com/test2/get.php

Attributes

extension
.nifr
offline_id
FCP2fiITr4rryFhFBnA59GMgwES5CunmcbPc76t1
payload_url
http://uaery.top/dl/build2.exe

http://zexeq.com/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Extracted

Family

vidar

Version

3.2

Botnet

5df88deb5dde677ba658b77ad5f60248

C2

https://steamcommunity.com/profiles/76561199489580435

https://t.me/tabootalks

Attributes

profile_id_v2
5df88deb5dde677ba658b77ad5f60248
user_agent
Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36 OPR/91.0.4516.79

Targets

- Target
  
  a5fa781dd4b2318b4e787573ace6c5f83c062766b7478df610c5c30dca818b42
- Size
  
  752KB
- MD5
  
  1ffed63b32bbce31f1a53c9270562003
- SHA1
  
  4f20b335fea4bcdfc0f54659ff1b6ccc71f345e5
- SHA256
  
  a5fa781dd4b2318b4e787573ace6c5f83c062766b7478df610c5c30dca818b42
- SHA512
  
  b09fd5183893529ff2b73e8ade2e67722a3e9da438c08b8d2822aa70429c9ca7b76ad7fb09114868f754e2fef38dd4df61db187fa0f29802430a379d7ad475c9
- SSDEEP
  
  12288:tXjUh9aKNYkbnkGvrJpADS9tCIM1c+LEFEgnWvvQ1dGt:Ch9vAGvrJpAm9tXM1c+Lu0kdGt
Score

10^/10

djvu vidar 5df88deb5dde677ba658b77ad5f60248 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