djvu | bad9ecf1951118462e367a3f8f921e8cff8e04fdb87714f0e2933a42c9d34191

General

Target

bad9ecf1951118462e367a3f8f921e8cff8e04fdb87714f0e2933a42c9d34191
Size

815KB
Sample

211125-xfy7xsbee2
MD5

2bfc4775d6f21b36b98e7fa001a2289e
SHA1

1a2b9b209557c9d15aeda4c7a81ca47883223e47
SHA256

bad9ecf1951118462e367a3f8f921e8cff8e04fdb87714f0e2933a42c9d34191
SHA512

61172c2bd37c868ac027ebb55206a29e95eaf5b43e026c26f898c83a4b38e64b26b6e9300fcba3b85a9e16b1f25841a1c3fd0980862585d2091451e2bd1a73ab

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
  
  bad9ecf1951118462e367a3f8f921e8cff8e04fdb87714f0e2933a42c9d34191
- Size
  
  815KB
- MD5
  
  2bfc4775d6f21b36b98e7fa001a2289e
- SHA1
  
  1a2b9b209557c9d15aeda4c7a81ca47883223e47
- SHA256
  
  bad9ecf1951118462e367a3f8f921e8cff8e04fdb87714f0e2933a42c9d34191
- SHA512
  
  61172c2bd37c868ac027ebb55206a29e95eaf5b43e026c26f898c83a4b38e64b26b6e9300fcba3b85a9e16b1f25841a1c3fd0980862585d2091451e2bd1a73ab
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