djvu | fcbcbed4f8170511693e7ef002d16c0b58ff066aa44e402d503b64546166dee4

General

Target

fcbcbed4f8170511693e7ef002d16c0b58ff066aa44e402d503b64546166dee4
Size

784KB
Sample

221005-axwrsschh9
MD5

ed143b073f647848a2c16941cfddc46e
SHA1

f0683c7a1d84d02bdeab8f77ecfd3b176f7ac4bd
SHA256

fcbcbed4f8170511693e7ef002d16c0b58ff066aa44e402d503b64546166dee4
SHA512

9ea555490ff95ea5c6fbecad654bff5207248e7981a0c6872a4a3ede91e56ef51009e0d7d69ebac55890509ecff0160a27250a5c64c4c2dd9677a2b0a8a80e04
SSDEEP

12288:ramefvXO6Q2YWybi4Fix2m6OeUtqnEy+123yIZCnFzWZ8p0p68CNunnu9y:rOpGiD4nEy+ey9FzuM0p68/k

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.adlg
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
  
  fcbcbed4f8170511693e7ef002d16c0b58ff066aa44e402d503b64546166dee4
- Size
  
  784KB
- MD5
  
  ed143b073f647848a2c16941cfddc46e
- SHA1
  
  f0683c7a1d84d02bdeab8f77ecfd3b176f7ac4bd
- SHA256
  
  fcbcbed4f8170511693e7ef002d16c0b58ff066aa44e402d503b64546166dee4
- SHA512
  
  9ea555490ff95ea5c6fbecad654bff5207248e7981a0c6872a4a3ede91e56ef51009e0d7d69ebac55890509ecff0160a27250a5c64c4c2dd9677a2b0a8a80e04
- SSDEEP
  
  12288:ramefvXO6Q2YWybi4Fix2m6OeUtqnEy+123yIZCnFzWZ8p0p68CNunnu9y:rOpGiD4nEy+ey9FzuM0p68/k
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