djvu | bfc23474bd0294407c55aa23133438d67617be22d65a6c4e2df0a598d797a90e

General

Target

bfc23474bd0294407c55aa23133438d67617be22d65a6c4e2df0a598d797a90e
Size

809KB
Sample

211019-wsla6ahbgk
MD5

4cf3126d4842c1950dcf60acf4b472cd
SHA1

436fb033fd68cc6932deed30abc585279b726a91
SHA256

bfc23474bd0294407c55aa23133438d67617be22d65a6c4e2df0a598d797a90e
SHA512

1909d3e732e923c9c2bb800e2759ceee81f0d5786fa6d27de7760a21d7d5666c2ccad04b6374bfc8a984255d9431014c665a91d14ad97ceea883bd529be10473

Score

10^/10

Malware Config

Extracted

Family

vidar

Version

41.5

Botnet

517

C2

https://mas.to/@xeroxxx

Attributes

profile_id
517

Extracted

Family

djvu

C2

http://rlrz.org/fhsgtsspen6

Targets

- Target
  
  bfc23474bd0294407c55aa23133438d67617be22d65a6c4e2df0a598d797a90e
- Size
  
  809KB
- MD5
  
  4cf3126d4842c1950dcf60acf4b472cd
- SHA1
  
  436fb033fd68cc6932deed30abc585279b726a91
- SHA256
  
  bfc23474bd0294407c55aa23133438d67617be22d65a6c4e2df0a598d797a90e
- SHA512
  
  1909d3e732e923c9c2bb800e2759ceee81f0d5786fa6d27de7760a21d7d5666c2ccad04b6374bfc8a984255d9431014c665a91d14ad97ceea883bd529be10473
Score

10^/10

djvu vidar 517 discovery persistence ransomware spyware stealer suricata
- 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
- suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
  suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
  suricata
- suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
  suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
  suricata
- suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
  suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
  suricata
- suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
  suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
  suricata
- Vidar Stealer
  stealer
- Downloads MZ/PE file
- 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