djvu | 531e91ab53c7921811d40b9b21c1ed811eb67ebf3723d6b2ae60a6dd2dad3a39

General

Target

531e91ab53c7921811d40b9b21c1ed811eb67ebf3723d6b2ae60a6dd2dad3a39
Size

745KB
Sample

211025-kyd89agghp
MD5

788897a9596595caefba2a6ac09e69d3
SHA1

b2a3acfebd93aadd9b4a464edd6df4cee1c7ae22
SHA256

531e91ab53c7921811d40b9b21c1ed811eb67ebf3723d6b2ae60a6dd2dad3a39
SHA512

300c12740f022c12a403eb3cd2402c6bc553254deb04ac26f6ac2b83d1af67629ccdf2355c68ba3b28cf62f8183b5573186dfcff43971fa2c54e4051123f3f68

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
  
  531e91ab53c7921811d40b9b21c1ed811eb67ebf3723d6b2ae60a6dd2dad3a39
- Size
  
  745KB
- MD5
  
  788897a9596595caefba2a6ac09e69d3
- SHA1
  
  b2a3acfebd93aadd9b4a464edd6df4cee1c7ae22
- SHA256
  
  531e91ab53c7921811d40b9b21c1ed811eb67ebf3723d6b2ae60a6dd2dad3a39
- SHA512
  
  300c12740f022c12a403eb3cd2402c6bc553254deb04ac26f6ac2b83d1af67629ccdf2355c68ba3b28cf62f8183b5573186dfcff43971fa2c54e4051123f3f68
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