djvu | b6b7f40c108d8c164e7321ec6dacb3da562bf721f829f166361256abd000982f

General

Target

b6b7f40c108d8c164e7321ec6dacb3da562bf721f829f166361256abd000982f
Size

833KB
Sample

211201-p8w92acbgp
MD5

aa93daa40627fc803c57fd7fed019510
SHA1

851755ceae7e22e02267cc86349bb1e870dea72c
SHA256

b6b7f40c108d8c164e7321ec6dacb3da562bf721f829f166361256abd000982f
SHA512

f75eeb5d1ed696f7e783900a419a699693e905da6ba23dfdb443462d0a1028709afc1d9ccfaf28f91181ec98f80a370ee05053e2b957884550de5763e3e44a5b

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
  
  b6b7f40c108d8c164e7321ec6dacb3da562bf721f829f166361256abd000982f
- Size
  
  833KB
- MD5
  
  aa93daa40627fc803c57fd7fed019510
- SHA1
  
  851755ceae7e22e02267cc86349bb1e870dea72c
- SHA256
  
  b6b7f40c108d8c164e7321ec6dacb3da562bf721f829f166361256abd000982f
- SHA512
  
  f75eeb5d1ed696f7e783900a419a699693e905da6ba23dfdb443462d0a1028709afc1d9ccfaf28f91181ec98f80a370ee05053e2b957884550de5763e3e44a5b
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