djvu | 8a7fa4fd712a3dd1ac8f35469c1f0056d7e6c24932e567e183e2891b63863edb

General

Target

8a7fa4fd712a3dd1ac8f35469c1f0056d7e6c24932e567e183e2891b63863edb
Size

820KB
Sample

211205-hsx33acahn
MD5

b5ca9daea9f2375c8ef81e9d5d4a87e4
SHA1

a57d402443d1b3e817d9399a15dfb35a70841065
SHA256

8a7fa4fd712a3dd1ac8f35469c1f0056d7e6c24932e567e183e2891b63863edb
SHA512

ae3baa733a43d1f67af366d87ce0aa8ea96c33bcbe6d0351a969513ed2ad9f637b1f867d43cd42d6c15a4f55187b7fa947100d55d6b68a4a95986a9824ee228a

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.wnlu
offline_id
gYuqQ5GsAaJom08TivUVhlPzZDKd916x4NcXrWt1
payload_url
http://kotob.top/dl/build2.exe

http://tzgl.org/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Extracted

Family

vidar

Version

48.9

Botnet

517

C2

https://qoto.org/@mniami

https://noc.social/@menaomi

Attributes

profile_id
517

Targets

- Target
  
  8a7fa4fd712a3dd1ac8f35469c1f0056d7e6c24932e567e183e2891b63863edb
- Size
  
  820KB
- MD5
  
  b5ca9daea9f2375c8ef81e9d5d4a87e4
- SHA1
  
  a57d402443d1b3e817d9399a15dfb35a70841065
- SHA256
  
  8a7fa4fd712a3dd1ac8f35469c1f0056d7e6c24932e567e183e2891b63863edb
- SHA512
  
  ae3baa733a43d1f67af366d87ce0aa8ea96c33bcbe6d0351a969513ed2ad9f637b1f867d43cd42d6c15a4f55187b7fa947100d55d6b68a4a95986a9824ee228a
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