djvu | 8f3b3f05abbfd85efc7df7b76c65984837c6c9a718aa5dae4653481f92c090f9

General

Target

8f3b3f05abbfd85efc7df7b76c65984837c6c9a718aa5dae4653481f92c090f9
Size

781KB
Sample

211202-n31jtsfgbn
MD5

c9d597c63343a85ffe82bc34eb23a793
SHA1

612c3e79321a6c74fa8696cf257a1fa4cfb7bdd0
SHA256

8f3b3f05abbfd85efc7df7b76c65984837c6c9a718aa5dae4653481f92c090f9
SHA512

f95036424154dc4eeef2916c16c8875a32af946419a04e1371dfc6ee31e3ff2f0df4e3226eb20b38d95a626054a4f6a43521a01eb7cab7a5ec3619c4176457f5

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.yqal
offline_id
K3PMMX2aWwpnYby88Dzg7tmaIW7Tv0HMWvSyr7t1
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
  
  8f3b3f05abbfd85efc7df7b76c65984837c6c9a718aa5dae4653481f92c090f9
- Size
  
  781KB
- MD5
  
  c9d597c63343a85ffe82bc34eb23a793
- SHA1
  
  612c3e79321a6c74fa8696cf257a1fa4cfb7bdd0
- SHA256
  
  8f3b3f05abbfd85efc7df7b76c65984837c6c9a718aa5dae4653481f92c090f9
- SHA512
  
  f95036424154dc4eeef2916c16c8875a32af946419a04e1371dfc6ee31e3ff2f0df4e3226eb20b38d95a626054a4f6a43521a01eb7cab7a5ec3619c4176457f5
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
- 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