djvu | cc376fe420548b105505bbe2594c4733591f5490e99de4e70652f4c350990579

General

Target

cc376fe420548b105505bbe2594c4733591f5490e99de4e70652f4c350990579
Size

853KB
Sample

211129-r7z1msccdr
MD5

e029f76044b1ea71ee1e45881c71e598
SHA1

990c7d74e717abc8b24f557a16dbf6a7d106d364
SHA256

cc376fe420548b105505bbe2594c4733591f5490e99de4e70652f4c350990579
SHA512

dc6775401fcebd046317b9e2146f7bd8ec8d4763560a6b8fc46bdf9c052cada376f1bede962a94225ee8e71bb839d9f76f8e073dd80dc22cac32b5cd911967d6

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
  
  cc376fe420548b105505bbe2594c4733591f5490e99de4e70652f4c350990579
- Size
  
  853KB
- MD5
  
  e029f76044b1ea71ee1e45881c71e598
- SHA1
  
  990c7d74e717abc8b24f557a16dbf6a7d106d364
- SHA256
  
  cc376fe420548b105505bbe2594c4733591f5490e99de4e70652f4c350990579
- SHA512
  
  dc6775401fcebd046317b9e2146f7bd8ec8d4763560a6b8fc46bdf9c052cada376f1bede962a94225ee8e71bb839d9f76f8e073dd80dc22cac32b5cd911967d6
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