djvu | f11da56e3a930d6bd5348f0eecdbea3df60b90aaf4e419839b766a4d91074086

General

Target
file.exe
Size 145KB
Sample221006-x8yf4aafdr
SHA256 f11da56e3a930d6bd5348f0eecdbea3df60b90aaf4e419839b766a4d91074086
MD5 66d0352427e8fda1e99bff34113199ca
SHA1 26aacac8b86bcf6d8bab4b8c82e5a7fdaafece3f
SHA512 10ab84a14cda0d04e33a4aaa55233ee699aa429b3e0bbdeb1c34b44d41aeb101b58646155b63da9e987a6b4d4b53275a1d7dddb39db65131e60696c03db030bb
SSDEEP 3072:gi2WNLlAFsEl6JqNR1TiKUiB+IykCoU747LNrtXlKQ6GO:giBLqFy0RdiA+Iylx70NrtXCG
MD5 SHA1 SHA512 SSDEEP

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
  file.exe
- Size 145KB
- SHA256 f11da56e3a930d6bd5348f0eecdbea3df60b90aaf4e419839b766a4d91074086
- MD5 66d0352427e8fda1e99bff34113199ca
- SHA1 26aacac8b86bcf6d8bab4b8c82e5a7fdaafece3f
- SHA512 10ab84a14cda0d04e33a4aaa55233ee699aa429b3e0bbdeb1c34b44d41aeb101b58646155b63da9e987a6b4d4b53275a1d7dddb39db65131e60696c03db030bb
- SSDEEP 3072:gi2WNLlAFsEl6JqNR1TiKUiB+IykCoU747LNrtXlKQ6GO:giBLqFy0RdiA+Iylx70NrtXCG
- MD5 SHA1 SHA512 SSDEEP
Score

10^/10

smokeloader backdoor trojan djvu vidar 517 collection discovery persistence ransomware spyware stealer
- Detected Djvu ransomware
- Detects Smokeloader packer
- Djvu Ransomware
  Ransomware which is a variant of the STOP family.
  ransomware djvu
- SmokeLoader
  Modular backdoor trojan in use since 2014.
  trojan backdoor smokeloader
- Vidar
  Vidar is an infostealer based on Arkei stealer.
  stealer vidar
- Downloads MZ/PE file
- Executes dropped EXE
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- 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 Microsoft Outlook profiles
  collection
- 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 behavioral2