djvu | 844d3b228036305ca2225f1aad91f69d65c3efc3dd9409e3e2667295912ae5ea

General

Target

844d3b228036305ca2225f1aad91f69d65c3efc3dd9409e3e2667295912ae5ea
Size

815KB
Sample

230720-mj3peaff78
MD5

ec0a38e272553f7f6f4a01b0102ef66e
SHA1

4dfc557bbaa198dcd56289dbf207a89c1d6c2a94
SHA256

844d3b228036305ca2225f1aad91f69d65c3efc3dd9409e3e2667295912ae5ea
SHA512

969d8b73b4f1988f310bd879a9d80bfe51287a24b4b7f4e979478b8ba339cf725e601a976161757bdf8f27b32909d261f4a715755e22668dc87c0f63715e62de
SSDEEP

12288:U4q8nwcGFJ3V35pSdydxVBAMf8rtmTmDhVCm9kXWil+I81niFXxg/XxS:wdV35oGbOMotmghVQmf1niFq/o

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.miza
offline_id
1S27jnaC9TYNiwf9VvJvIx5XCXvgyoDAUXHnu0t1
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

4.8

Botnet

https://t.me/sundayevent

C2

https://t.me/sundayevent

https://steamcommunity.com/profiles/76561198982268531

Attributes

profile_id_v2
https://t.me/sundayevent
user_agent
Mozilla/5.0 (X11; Linux 3.5.4-1-ARCH i686; es) KHTML/4.9.1 (like Gecko) Konqueror/4.9

Targets

- Target
  
  844d3b228036305ca2225f1aad91f69d65c3efc3dd9409e3e2667295912ae5ea
- Size
  
  815KB
- MD5
  
  ec0a38e272553f7f6f4a01b0102ef66e
- SHA1
  
  4dfc557bbaa198dcd56289dbf207a89c1d6c2a94
- SHA256
  
  844d3b228036305ca2225f1aad91f69d65c3efc3dd9409e3e2667295912ae5ea
- SHA512
  
  969d8b73b4f1988f310bd879a9d80bfe51287a24b4b7f4e979478b8ba339cf725e601a976161757bdf8f27b32909d261f4a715755e22668dc87c0f63715e62de
- SSDEEP
  
  12288:U4q8nwcGFJ3V35pSdydxVBAMf8rtmTmDhVCm9kXWil+I81niFXxg/XxS:wdV35oGbOMotmghVQmf1niFq/o
Score

10^/10

djvu vidar https://t.me/sundayevent 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