djvu | 733d197665d90ebcbe41ed14d872db66604706d8435e694985ad2c459ce59b70

General

Target

builder.exe.exe
Size

770KB
Sample

230516-s77k6abe27
MD5

669a891fe610e110917fad79b6876f55
SHA1

a762faa446f6a8da5770ecca619fc2cffdf33ab1
SHA256

733d197665d90ebcbe41ed14d872db66604706d8435e694985ad2c459ce59b70
SHA512

59e4f2c17285360286941c016a37d1f26e14bccb858e782db40488612a746199b8c30a47554d0abfd0c71a35cfb8734cb72414d02db5419289fccd667fe52298
SSDEEP

12288:HYhoWg3wNMP0/JtiTYdmJDJtnee32UEMWOktn3dR/v2FvMI33knQCk/:HSdNMPoJEYKJweGdSKNR/vQvb30w/

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.xash
offline_id
uK3VnHYy6oibGbO8t2PDOMcT40gQoh5oUUCe2Lt1
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

3.9

Botnet

9dfa7ee730fa2f1efb5ed51dbbec22f5

C2

https://steamcommunity.com/profiles/76561199263069598

https://t.me/cybehost

Attributes

profile_id_v2
9dfa7ee730fa2f1efb5ed51dbbec22f5
user_agent
Mozilla/5.0 (compatible; Konqueror/3.5; Linux) KHTML/3.5.7 (like Gecko) (Debian)

Targets

- Target
  
  builder.exe.exe
- Size
  
  770KB
- MD5
  
  669a891fe610e110917fad79b6876f55
- SHA1
  
  a762faa446f6a8da5770ecca619fc2cffdf33ab1
- SHA256
  
  733d197665d90ebcbe41ed14d872db66604706d8435e694985ad2c459ce59b70
- SHA512
  
  59e4f2c17285360286941c016a37d1f26e14bccb858e782db40488612a746199b8c30a47554d0abfd0c71a35cfb8734cb72414d02db5419289fccd667fe52298
- SSDEEP
  
  12288:HYhoWg3wNMP0/JtiTYdmJDJtnee32UEMWOktn3dR/v2FvMI33knQCk/:HSdNMPoJEYKJweGdSKNR/vQvb30w/
Score

10^/10

djvu vidar 9dfa7ee730fa2f1efb5ed51dbbec22f5 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
- 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 behavioral2