djvu | 188c586ed738a6e28416cf49bb17d5a66ac19f767e095b959ca84ef900d22735

General

Target

188c586ed738a6e28416cf49bb17d5a66ac19f767e095b959ca84ef900d22735_JC.exe
Size

787KB
Sample

230903-lezxaahc24
MD5

5d21060735fa451daef340b707b32807
SHA1

5d2a34c309d1fa2b71e9380489df5b5cbcdd7a78
SHA256

188c586ed738a6e28416cf49bb17d5a66ac19f767e095b959ca84ef900d22735
SHA512

57ea1f39692fbf86afb8dffe0f4e57dadbc046e5792f3a3203b490d09949ea0c5ae27d49afa16e530306fdc84d1110226450e7eba34ea7bcf8330561c6c99ad0
SSDEEP

12288:vx4mzYpZz2Nez2uSph3XQySocIwMnKRQ7i2HQdFrE0rvfGWZp46GzuJjOD6ILFy:vnz/42DrqoRwMGDP1r3a6GzujQFZy

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://zexeq.com/test2/get.php

Attributes

extension
.rzfu
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
  
  188c586ed738a6e28416cf49bb17d5a66ac19f767e095b959ca84ef900d22735_JC.exe
- Size
  
  787KB
- MD5
  
  5d21060735fa451daef340b707b32807
- SHA1
  
  5d2a34c309d1fa2b71e9380489df5b5cbcdd7a78
- SHA256
  
  188c586ed738a6e28416cf49bb17d5a66ac19f767e095b959ca84ef900d22735
- SHA512
  
  57ea1f39692fbf86afb8dffe0f4e57dadbc046e5792f3a3203b490d09949ea0c5ae27d49afa16e530306fdc84d1110226450e7eba34ea7bcf8330561c6c99ad0
- SSDEEP
  
  12288:vx4mzYpZz2Nez2uSph3XQySocIwMnKRQ7i2HQdFrE0rvfGWZp46GzuJjOD6ILFy:vnz/42DrqoRwMGDP1r3a6GzujQFZy
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.
- Suspicious use of SetThreadContext
behavioral1 behavioral2