djvu | d97ae44665ac32428a6f1d8b20225e1f6212d8115718d84d0bf1a4b57d5be7f3

General

Target

file.exe
Size

803KB
Sample

231003-vxjsfsga75
MD5

9a1a72ddc2c7a5e59c8fabb798266660
SHA1

48c1fdf3a18aa5938dd147bf701518424a26c8f2
SHA256

d97ae44665ac32428a6f1d8b20225e1f6212d8115718d84d0bf1a4b57d5be7f3
SHA512

f0fa5818445960f0b20ac554067ba3167cf6890fdd1e162b2ca00f7fb5fee17e352f85ee1e8244d94fb3ab59f3907c78aa8a6dc4a83d792ae051456673724093
SSDEEP

12288:/7Iyjosks106agjxJ+NWK9LJyatLKmDf8L06iOnBH5CP1KNto2Z+l:cPskK/N8NW4JbKvLTDBH5+UXZ+

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.ttza
offline_id
9qw1wmu1ty4GEiHZdxilHPjCyX6ENKTotjt6MIt1
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

5.9

Botnet

b4fc4cd2d76417bf461814b9d989fcdb

C2

https://steamcommunity.com/profiles/76561199557479327

https://t.me/grizmons

Attributes

profile_id_v2
b4fc4cd2d76417bf461814b9d989fcdb
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.0.0 Safari/537.36 OPR/104.0.0.0

Targets

- Target
  
  file.exe
- Size
  
  803KB
- MD5
  
  9a1a72ddc2c7a5e59c8fabb798266660
- SHA1
  
  48c1fdf3a18aa5938dd147bf701518424a26c8f2
- SHA256
  
  d97ae44665ac32428a6f1d8b20225e1f6212d8115718d84d0bf1a4b57d5be7f3
- SHA512
  
  f0fa5818445960f0b20ac554067ba3167cf6890fdd1e162b2ca00f7fb5fee17e352f85ee1e8244d94fb3ab59f3907c78aa8a6dc4a83d792ae051456673724093
- SSDEEP
  
  12288:/7Iyjosks106agjxJ+NWK9LJyatLKmDf8L06iOnBH5CP1KNto2Z+l:cPskK/N8NW4JbKvLTDBH5+UXZ+
Score

10^/10

djvu vidar b4fc4cd2d76417bf461814b9d989fcdb 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