djvu | 69543d9ea9cfcc18bb8aa3be53ae2726c6fb9860db9be61b816738b34c569337

General

Target

69543d9ea9cfcc18bb8aa3be53ae2726c6fb9860db9be61b816738b34c569337
Size

814KB
Sample

211125-v5t86agafj
MD5

5b35c0dd844fa9ffb3839d9ca56a80fe
SHA1

14938feb3225dd41574d73614cb41c5d59385d06
SHA256

69543d9ea9cfcc18bb8aa3be53ae2726c6fb9860db9be61b816738b34c569337
SHA512

de77342f44a110ca38a09febdbdcffff931651b44e2b2b85e4419ee5449a8cc3c090718e73c4482205fd362954ddb05071b08f98d07f1558ba730cb9c538c1c5

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.robm
offline_id
Z5GGASEfY71jtxU3i3E8kzvrTJmY9oiZkjcSm0t1
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

48.7

Botnet

517

C2

https://mstdn.social/@anapa

https://mastodon.social/@mniami

Attributes

profile_id
517

Targets

- Target
  
  69543d9ea9cfcc18bb8aa3be53ae2726c6fb9860db9be61b816738b34c569337
- Size
  
  814KB
- MD5
  
  5b35c0dd844fa9ffb3839d9ca56a80fe
- SHA1
  
  14938feb3225dd41574d73614cb41c5d59385d06
- SHA256
  
  69543d9ea9cfcc18bb8aa3be53ae2726c6fb9860db9be61b816738b34c569337
- SHA512
  
  de77342f44a110ca38a09febdbdcffff931651b44e2b2b85e4419ee5449a8cc3c090718e73c4482205fd362954ddb05071b08f98d07f1558ba730cb9c538c1c5
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