djvu | 8e50809f79d9ae944f80e9c4ce75e1dde928ddf4e34663607bccc7463d922f27

General

Target

8e50809f79d9ae944f80e9c4ce75e1dde928ddf4e34663607bccc7463d922f27
Size

789KB
Sample

230605-3xzgxabg7s
MD5

137e707783879de538ad9625a94eecd7
SHA1

e383991eb5b62d36ff447e231fd48abfa6cedc56
SHA256

8e50809f79d9ae944f80e9c4ce75e1dde928ddf4e34663607bccc7463d922f27
SHA512

b9af0cdfbb15a75f9d2f9f2ce8633e530ea707a0f0c4952baf6f44bed4f9eebd83ccd1dfd32d73da5484f3729bdad672ca4f9bfc198b1f5759957aa4a547a76e
SSDEEP

12288:+Nc29/j7tgikbNd6wE0hFvdPHZpXXYVAetqH5IHjbQ6eSwowyyCyDxtdHbgEInh:iRXt0bXbhFvBX6Aqt9eBz8yDtMfnhA

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.nerz
offline_id
0vTA6MA1m5nzrdffOCJC7YmAa4Lp6YNN8lOJ4mt1
payload_url
http://colisumy.com/dl/build2.exe
http://zexeq.com/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Extracted

Family

vidar

Version

4.1

Botnet

77a63e71a10ee1d81a28b5c866b75922

C2

https://steamcommunity.com/profiles/76561199510444991

https://t.me/task4manager

Attributes

profile_id_v2
77a63e71a10ee1d81a28b5c866b75922
user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.0.0 Safari/537.36 Edg/112.0.1722.34

Targets

- Target
  
  8e50809f79d9ae944f80e9c4ce75e1dde928ddf4e34663607bccc7463d922f27
- Size
  
  789KB
- MD5
  
  137e707783879de538ad9625a94eecd7
- SHA1
  
  e383991eb5b62d36ff447e231fd48abfa6cedc56
- SHA256
  
  8e50809f79d9ae944f80e9c4ce75e1dde928ddf4e34663607bccc7463d922f27
- SHA512
  
  b9af0cdfbb15a75f9d2f9f2ce8633e530ea707a0f0c4952baf6f44bed4f9eebd83ccd1dfd32d73da5484f3729bdad672ca4f9bfc198b1f5759957aa4a547a76e
- SSDEEP
  
  12288:+Nc29/j7tgikbNd6wE0hFvdPHZpXXYVAetqH5IHjbQ6eSwowyyCyDxtdHbgEInh:iRXt0bXbhFvBX6Aqt9eBz8yDtMfnhA
Score

10^/10

djvu vidar 77a63e71a10ee1d81a28b5c866b75922 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