djvu | d5093b4995d9d244ed4f6e6e77879d6290b20034730b17e3ed738eba8ef107a1

General

Target

d5093b4995d9d244ed4f6e6e77879d6290b20034730b17e3ed738eba8ef107a1
Size

762KB
Sample

220419-ls6lzsbcar
MD5

47d1cc15399a901f6f2d509b6db10565
SHA1

c60ba6490b78c4864bd21ff470132d36dc3c67d1
SHA256

d5093b4995d9d244ed4f6e6e77879d6290b20034730b17e3ed738eba8ef107a1
SHA512

322a3f243d4521e807e168ac67d65f0b2579f9bcb5939e75222df50569814d3fc7f22d88546b972def685cedba0e163ca9460d7bb42a41b1ae36a02aad40493f

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://fuyt.org/fhsgtsspen6/get.php

Attributes

extension
.nuhb
offline_id
PfLhykvDxmCghCq8peuxBtQ3c0QBuANi8WUkuet1
payload_url
http://zerit.top/dl/build2.exe
http://fuyt.org/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Targets

- Target
  
  d5093b4995d9d244ed4f6e6e77879d6290b20034730b17e3ed738eba8ef107a1
- Size
  
  762KB
- MD5
  
  47d1cc15399a901f6f2d509b6db10565
- SHA1
  
  c60ba6490b78c4864bd21ff470132d36dc3c67d1
- SHA256
  
  d5093b4995d9d244ed4f6e6e77879d6290b20034730b17e3ed738eba8ef107a1
- SHA512
  
  322a3f243d4521e807e168ac67d65f0b2579f9bcb5939e75222df50569814d3fc7f22d88546b972def685cedba0e163ca9460d7bb42a41b1ae36a02aad40493f
Score

10^/10

djvu vidar 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 Suspicious Zipped Filename in Outbound POST Request (Passwords.txt) M2
  suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt) M2
  suricata
- suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (passwords.txt) M2
  suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (passwords.txt) M2
  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
- suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern
  suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern
  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