djvu | fecf36656a635e93642f7ce51d7a2eae6cfb5036f45680bd646459c871d33f56

General

Target

fecf36656a635e93642f7ce51d7a2eae6cfb5036f45680bd646459c871d33f56
Size

664KB
Sample

221006-fb8gcsgda7
MD5

01a4096da858cb71710110bbe6a56cfc
SHA1

95bbbf3e0355f98e8fe38ba08de9b4fbc96ca90a
SHA256

fecf36656a635e93642f7ce51d7a2eae6cfb5036f45680bd646459c871d33f56
SHA512

bcbd5a1819d081c5f5f2d90591bc7dd813f281aca5c44572b6121d4de9edb7a4e364f2883098d532c6eb4f0e6fd554c87338b4fcd82d4df72a651243fc7276a5
SSDEEP

12288:1Z5qK2bVV3rJWt4kstaXeY2yenZEfypP0mF1khKEDgf:1KK2btWPst5Y2yenZRF0mPkhu

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.adww
offline_id
z8lhl4oForVEc7gy9Ra8rSqjYMl3xiFRuIW4not1
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

54.9

Botnet

517

C2

https://t.me/larsenup

https://ioc.exchange/@zebra54

Attributes

profile_id
517

Targets

- Target
  
  fecf36656a635e93642f7ce51d7a2eae6cfb5036f45680bd646459c871d33f56
- Size
  
  664KB
- MD5
  
  01a4096da858cb71710110bbe6a56cfc
- SHA1
  
  95bbbf3e0355f98e8fe38ba08de9b4fbc96ca90a
- SHA256
  
  fecf36656a635e93642f7ce51d7a2eae6cfb5036f45680bd646459c871d33f56
- SHA512
  
  bcbd5a1819d081c5f5f2d90591bc7dd813f281aca5c44572b6121d4de9edb7a4e364f2883098d532c6eb4f0e6fd554c87338b4fcd82d4df72a651243fc7276a5
- SSDEEP
  
  12288:1Z5qK2bVV3rJWt4kstaXeY2yenZEfypP0mF1khKEDgf:1KK2btWPst5Y2yenZRF0mPkhu
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