djvu | 014069bf4573069dd7dd52f8778f2a441db40d6aa914508150750a4e2549be0c

General

Target
file.exe
Size 146KB
Sample221006-c1ad3sgbd6
SHA256 014069bf4573069dd7dd52f8778f2a441db40d6aa914508150750a4e2549be0c
MD5 b41eea91a5da56541e24b7e3d9aa8785
SHA1 a8d5deb621ca66b36343e3e96c5157a7c398ae3e
SHA512 7fdfc9854c31c9dcbf2822f33f3c997608b448f44be9dd9836bf7cfe3141ca4b5fed641d8958eef066cd12d6aa2bc91e984d13f1fc2bae14cd1c4a47a2fc4df0
SSDEEP 3072:oQpRqqQhf2GVU/3UNRiIuUg/Ff0C4qru4b3HH20dJHTO:zCq5GaUNRiIuUgBXr53nLfHT
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 146KB
- SHA256 014069bf4573069dd7dd52f8778f2a441db40d6aa914508150750a4e2549be0c
- MD5 b41eea91a5da56541e24b7e3d9aa8785
- SHA1 a8d5deb621ca66b36343e3e96c5157a7c398ae3e
- SHA512 7fdfc9854c31c9dcbf2822f33f3c997608b448f44be9dd9836bf7cfe3141ca4b5fed641d8958eef066cd12d6aa2bc91e984d13f1fc2bae14cd1c4a47a2fc4df0
- SSDEEP 3072:oQpRqqQhf2GVU/3UNRiIuUg/Ff0C4qru4b3HH20dJHTO:zCq5GaUNRiIuUgBXr53nLfHT
- 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
- 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 behavioral2