djvu | 160c9eb3600d3bf9d2846a09a65218593c5d385b724da7cd44b23a1732157cda

General

Target

160c9eb3600d3bf9d2846a09a65218593c5d385b724da7cd44b23a1732157cda
Size

272KB
Sample

221005-wq6t3sfbb4
MD5

8432e504f078f9319133a9ad826773fc
SHA1

9d913d1aff658215553c79c74ec0cc3030248845
SHA256

160c9eb3600d3bf9d2846a09a65218593c5d385b724da7cd44b23a1732157cda
SHA512

809769c7dc53c43de7d9de08f09ca06e286b91cac073fd01a8fc60bd9e3409f1cfbbf876ed69c5215c976a2fedecc5c49971dff93716f2eee073398087f388bc
SSDEEP

6144:+ydAhddLVf6VaM/WSr/hBuzbgwu7wVfU+:+64dhf1cunnS+

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
  
  160c9eb3600d3bf9d2846a09a65218593c5d385b724da7cd44b23a1732157cda
- Size
  
  272KB
- MD5
  
  8432e504f078f9319133a9ad826773fc
- SHA1
  
  9d913d1aff658215553c79c74ec0cc3030248845
- SHA256
  
  160c9eb3600d3bf9d2846a09a65218593c5d385b724da7cd44b23a1732157cda
- SHA512
  
  809769c7dc53c43de7d9de08f09ca06e286b91cac073fd01a8fc60bd9e3409f1cfbbf876ed69c5215c976a2fedecc5c49971dff93716f2eee073398087f388bc
- SSDEEP
  
  6144:+ydAhddLVf6VaM/WSr/hBuzbgwu7wVfU+:+64dhf1cunnS+
Score

10^/10

djvu smokeloader vidar 517 backdoor collection discovery persistence ransomware spyware stealer trojan
- 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
- Deletes itself
- 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
- Legitimate hosting services abused for malware hosting/C2
- 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