djvu | 7b4a225a4ef6f1f83004f05fed89ef01029850aeb37c783966971c106d90be24

General

Target

7b4a225a4ef6f1f83004f05fed89ef01029850aeb37c783966971c106d90be24
Size

830KB
Sample

211128-lc7t4scba2
MD5

b7fa561d5a65eb0e06cb172bc639246b
SHA1

06ecf10769dd9d3f7867f766e3bb0696699fbbf3
SHA256

7b4a225a4ef6f1f83004f05fed89ef01029850aeb37c783966971c106d90be24
SHA512

81d5672a1bbea9f4d1cf544371cdf6e0c1cb5ae340ab3db42a42c3d8578a8d189922ffb5802d85730b4808603676595fef1afd5b3ae67644504a589640ab2312

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://tzgl.org/fhsgtsspen6/get.php

Attributes

extension
.rigj
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
  
  7b4a225a4ef6f1f83004f05fed89ef01029850aeb37c783966971c106d90be24
- Size
  
  830KB
- MD5
  
  b7fa561d5a65eb0e06cb172bc639246b
- SHA1
  
  06ecf10769dd9d3f7867f766e3bb0696699fbbf3
- SHA256
  
  7b4a225a4ef6f1f83004f05fed89ef01029850aeb37c783966971c106d90be24
- SHA512
  
  81d5672a1bbea9f4d1cf544371cdf6e0c1cb5ae340ab3db42a42c3d8578a8d189922ffb5802d85730b4808603676595fef1afd5b3ae67644504a589640ab2312
Score

10^/10

djvu vidar 517 discovery persistence ransomware spyware stealer
- 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
- 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