djvu | 7191c25efe6865553fdc2d3f7995c58a3c581c864a7685ef3e3c16ea8d7dde51

General

Target

7191c25efe6865553fdc2d3f7995c58a3c581c864a7685ef3e3c16ea8d7dde51
Size

812KB
Sample

211125-z15ljsggek
MD5

ae495df87afc8fbdb32cb4d379a735c0
SHA1

3c74d1fed2960f3f80882bd09427179cc22f18ec
SHA256

7191c25efe6865553fdc2d3f7995c58a3c581c864a7685ef3e3c16ea8d7dde51
SHA512

082d282fe0a5243f4cf3483db4a8a8c01d2b5c39d0156d66b806c713f08059205a0ef8990698c57e585ffea44ffd329a75ff385f2aabfd262e931fc2aea4262d

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
  
  7191c25efe6865553fdc2d3f7995c58a3c581c864a7685ef3e3c16ea8d7dde51
- Size
  
  812KB
- MD5
  
  ae495df87afc8fbdb32cb4d379a735c0
- SHA1
  
  3c74d1fed2960f3f80882bd09427179cc22f18ec
- SHA256
  
  7191c25efe6865553fdc2d3f7995c58a3c581c864a7685ef3e3c16ea8d7dde51
- SHA512
  
  082d282fe0a5243f4cf3483db4a8a8c01d2b5c39d0156d66b806c713f08059205a0ef8990698c57e585ffea44ffd329a75ff385f2aabfd262e931fc2aea4262d
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