djvu | b394189af19721c7c397d4b51300f009a01ff6074695c3bcbaddd2320464d2a4

General

Target
b394189af19721c7c397d4b51300f009a01ff6074695c3bcbaddd2320464d2a4
Size 722KB
Sample221022-ss3nnaeagj
SHA256 b394189af19721c7c397d4b51300f009a01ff6074695c3bcbaddd2320464d2a4
MD5 5e8701f9d6624a53e5e6a67457ca45b2
SHA1 8b1e95c8ee61b2a685ad936081e6bdd4c7e0b8e1
SHA512 55f02f153b4c8c13ab6e9acb10015fdbd39e543538d7638e751967f1b2da210d9b421706cd16a8f606b08e866f32e2e68dc1f357e8d5f222ec570762014cd36d
SSDEEP 12288:+xrNVftvDLKGyefDS3jTgTE2zw5AqCph/PMxLyR/m4b0mHbKGHK/L:+HxtvDLyTg259+h+LKbYmH7g
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.nury
offline_id
KFBzXY7hTnWvKHIgFKUOR1MsE6RDJJwQPj1ozPt1
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
  b394189af19721c7c397d4b51300f009a01ff6074695c3bcbaddd2320464d2a4
- Size 722KB
- SHA256 b394189af19721c7c397d4b51300f009a01ff6074695c3bcbaddd2320464d2a4
- MD5 5e8701f9d6624a53e5e6a67457ca45b2
- SHA1 8b1e95c8ee61b2a685ad936081e6bdd4c7e0b8e1
- SHA512 55f02f153b4c8c13ab6e9acb10015fdbd39e543538d7638e751967f1b2da210d9b421706cd16a8f606b08e866f32e2e68dc1f357e8d5f222ec570762014cd36d
- SSDEEP 12288:+xrNVftvDLKGyefDS3jTgTE2zw5AqCph/PMxLyR/m4b0mHbKGHK/L:+HxtvDLyTg259+h+LKbYmH7g
- MD5 SHA1 SHA512 SSDEEP
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