djvu | 18b11da4f088d5ea6137b7927a2b4420b6e6c3b3cf6316d0dbc4dd6fe7308889

General

Target

cumloader584.exe
Size

828KB
Sample

230521-ndqckahh29
MD5

7dedfb03c0417469da8b2e50c7b514c2
SHA1

793b8000997f2398b1c5d7dc6f8cac7a42ef10fa
SHA256

18b11da4f088d5ea6137b7927a2b4420b6e6c3b3cf6316d0dbc4dd6fe7308889
SHA512

85c88c38f29524cc678581d7ac79818f893ae79941191102691dfe331065b0a289801dea661c9a5ca98936fd215bbb9ce02c6c8aa1abde5d145f19a86cd369bf
SSDEEP

12288:Q1dvXT9ZhFnml5v+tX4OkmzogNx88niKZ+ABnrwCp/Fxgz9ijd6+:QPXT9ZnBIOkm8gNGadrwCjaxij4

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.gaze
offline_id
jB2aJtVEWRwbJf76a6OKB8sn0BtTgNlHYUC5wLt1
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
  
  cumloader584.exe
- Size
  
  828KB
- MD5
  
  7dedfb03c0417469da8b2e50c7b514c2
- SHA1
  
  793b8000997f2398b1c5d7dc6f8cac7a42ef10fa
- SHA256
  
  18b11da4f088d5ea6137b7927a2b4420b6e6c3b3cf6316d0dbc4dd6fe7308889
- SHA512
  
  85c88c38f29524cc678581d7ac79818f893ae79941191102691dfe331065b0a289801dea661c9a5ca98936fd215bbb9ce02c6c8aa1abde5d145f19a86cd369bf
- SSDEEP
  
  12288:Q1dvXT9ZhFnml5v+tX4OkmzogNx88niKZ+ABnrwCp/Fxgz9ijd6+:QPXT9ZnBIOkm8gNGadrwCjaxij4
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