djvu | cfaf38e7cbea4185790445794d02377ba59a9c87d23fd48989a12fa65ff8444c

General

Target
cfaf38e7cbea4185790445794d02377ba59a9c87d23fd48989a12fa65ff8444c
Size 722KB
Sample221022-xe1z5aech2
SHA256 cfaf38e7cbea4185790445794d02377ba59a9c87d23fd48989a12fa65ff8444c
MD5 a96ffae72db48b51ccf2abf2d497a237
SHA1 d5d77cc1d32aa8a6be498dbbee3401c721f4c41e
SHA512 f8c8ad1c9ac78cbb18056691feafab156d120528d3903465bed3ba4b1c18b00b7102e5b8e15cc0a4fb94ec3ab4843259156dc22c324868e0f2728ba7331089a3
SSDEEP 12288:AAnQzvzgq7QOnUpg0jrLBaKcdwwRAJfQQHhQlHz+M5XqS1Zi3CWLCY:AXLzgvOMBjrLBhcdYfQQHKlTR6+Zi37j
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://winnlinne.com/test1/get.php

Attributes

extension
.nuis
offline_id
KFBzXY7hTnWvKHIgFKUOR1MsE6RDJJwQPj1ozPt1
payload_url
http://rgyui.top/dl/build2.exe

http://winnlinne.com/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Extracted

Family

vidar

Version

55.1

Botnet

517

C2

https://t.me/tg_privatetalk
https://nerdculture.de/@yixehi33

Attributes

profile_id
517

Targets

- Target
  cfaf38e7cbea4185790445794d02377ba59a9c87d23fd48989a12fa65ff8444c
- Size 722KB
- SHA256 cfaf38e7cbea4185790445794d02377ba59a9c87d23fd48989a12fa65ff8444c
- MD5 a96ffae72db48b51ccf2abf2d497a237
- SHA1 d5d77cc1d32aa8a6be498dbbee3401c721f4c41e
- SHA512 f8c8ad1c9ac78cbb18056691feafab156d120528d3903465bed3ba4b1c18b00b7102e5b8e15cc0a4fb94ec3ab4843259156dc22c324868e0f2728ba7331089a3
- SSDEEP 12288:AAnQzvzgq7QOnUpg0jrLBaKcdwwRAJfQQHhQlHz+M5XqS1Zi3CWLCY:AXLzgvOMBjrLBhcdYfQQHKlTR6+Zi37j
- MD5 SHA1 SHA512 SSDEEP
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
- 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