djvu | a761c19812b28982ee51f8099715356acd1605474acf77c864934730eb69a9f9

General

Target

a761c19812b28982ee51f8099715356acd1605474acf77c864934730eb69a9f9
Size

825KB
Sample

211205-k5zhrscccn
MD5

a1f4fc2f1c675337637b703defe9c359
SHA1

7a209c94eeae8a6e9c80810df9b44fdec86401bb
SHA256

a761c19812b28982ee51f8099715356acd1605474acf77c864934730eb69a9f9
SHA512

fba20d44b757afb49319ecab2346b04d039ded6e620b76b05abf75cc137be5270b7d398bd03d227cc3d7f575c295405c594c9f0ba044d923198c8d872f2873cf

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.hgsh
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
  
  a761c19812b28982ee51f8099715356acd1605474acf77c864934730eb69a9f9
- Size
  
  825KB
- MD5
  
  a1f4fc2f1c675337637b703defe9c359
- SHA1
  
  7a209c94eeae8a6e9c80810df9b44fdec86401bb
- SHA256
  
  a761c19812b28982ee51f8099715356acd1605474acf77c864934730eb69a9f9
- SHA512
  
  fba20d44b757afb49319ecab2346b04d039ded6e620b76b05abf75cc137be5270b7d398bd03d227cc3d7f575c295405c594c9f0ba044d923198c8d872f2873cf
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