djvu | ad6271732c1655e9a13c5483adbbf92d971f875d4d50872228935fd49b004f52

General

Target

ad6271732c1655e9a13c5483adbbf92d971f875d4d50872228935fd49b004f52
Size

752KB
Sample

230401-t6y33abc28
MD5

f1a4fadf22886ea65120de4d9a227d78
SHA1

f6fa9b1c2010638a4a939774d2b0090d03e08d8e
SHA256

ad6271732c1655e9a13c5483adbbf92d971f875d4d50872228935fd49b004f52
SHA512

6f3897de2db450af4165e76df88a9f78bf3b6717858bc8ddeadabf3e1ba658af8f420e5014d117f320f3c7f657a995d5c9600158d1691fd8bd36e15401032d4b
SSDEEP

12288:Vb1+iaMFwXAuU3vr2XKxDlxhW4zc5wo8CX66Jc9uVoqYuK2r43QR/pRYgwgNSdZY:2iaMFwwx3vr2axDl/Wuc5wkXo9cM3QR5

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.nitz
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
  
  ad6271732c1655e9a13c5483adbbf92d971f875d4d50872228935fd49b004f52
- Size
  
  752KB
- MD5
  
  f1a4fadf22886ea65120de4d9a227d78
- SHA1
  
  f6fa9b1c2010638a4a939774d2b0090d03e08d8e
- SHA256
  
  ad6271732c1655e9a13c5483adbbf92d971f875d4d50872228935fd49b004f52
- SHA512
  
  6f3897de2db450af4165e76df88a9f78bf3b6717858bc8ddeadabf3e1ba658af8f420e5014d117f320f3c7f657a995d5c9600158d1691fd8bd36e15401032d4b
- SSDEEP
  
  12288:Vb1+iaMFwXAuU3vr2XKxDlxhW4zc5wo8CX66Jc9uVoqYuK2r43QR/pRYgwgNSdZY:2iaMFwwx3vr2axDl/Wuc5wkXo9cM3QR5
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
- 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