djvu | ed91448d62d44af828d9f560c1f7648280f256eb388c20157607d948bd3cc4ed

General

Target

c5178d2bde804370464beb0a867439df.exe
Size

780KB
Sample

230903-h94xyagh83
MD5

c5178d2bde804370464beb0a867439df
SHA1

062ef2edac8963b90bae0bbd66472eb69e246d39
SHA256

ed91448d62d44af828d9f560c1f7648280f256eb388c20157607d948bd3cc4ed
SHA512

aba61eaa4917e70cad4f1240242a36cef8a3c88630d3a2991153dc9f30bd468863f047622e2bec96a017399def0fa7d421dfa961b5326fd3c33dfac3930a4403
SSDEEP

12288:U2EsQPwChQgjqnkBnrH0HmKhnYedkClvXtD7/ypyBXyQT9qbKwdt5gy:U2YPAg2nkx0bF/XVupydyw9qWw7Cy

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.rzml
offline_id
4OGfweO4lKfNTwKczrTWD8yTxQkyAGofoZhcOKt1
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

5.4

Botnet

25f5344bfcb62e75b7946c3a681aec54

C2

https://t.me/vogogor

https://steamcommunity.com/profiles/76561199545993403

Attributes

profile_id_v2
25f5344bfcb62e75b7946c3a681aec54
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.2.13 (KHTML, like Gecko) Version/16.5.2 Safari/605.2.13

Targets

- Target
  
  c5178d2bde804370464beb0a867439df.exe
- Size
  
  780KB
- MD5
  
  c5178d2bde804370464beb0a867439df
- SHA1
  
  062ef2edac8963b90bae0bbd66472eb69e246d39
- SHA256
  
  ed91448d62d44af828d9f560c1f7648280f256eb388c20157607d948bd3cc4ed
- SHA512
  
  aba61eaa4917e70cad4f1240242a36cef8a3c88630d3a2991153dc9f30bd468863f047622e2bec96a017399def0fa7d421dfa961b5326fd3c33dfac3930a4403
- SSDEEP
  
  12288:U2EsQPwChQgjqnkBnrH0HmKhnYedkClvXtD7/ypyBXyQT9qbKwdt5gy:U2YPAg2nkx0bF/XVupydyw9qWw7Cy
Score

10^/10

djvu vidar 25f5344bfcb62e75b7946c3a681aec54 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
- 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.
- Drops file in System32 directory
- Suspicious use of SetThreadContext
behavioral1 behavioral2