djvu | 5d6e1ec4f556c929ec2c7b9b4e0ea7f14ba2e7ed61ae670fedc00e27b4b6a5f6

General

Target
file.exe
Size 266KB
Sample221007-kep7eacbgk
SHA256 5d6e1ec4f556c929ec2c7b9b4e0ea7f14ba2e7ed61ae670fedc00e27b4b6a5f6
MD5 0c46d0619219da90a35d94bcf4d7e094
SHA1 43cf7800e5bcdeb439cff1c230a5681682fbc03b
SHA512 d774ae1d85bd7c727b70f5b515ca7c000d05ef067ddd7babfa16ac8ffe8a0fea44634f23b372266ddf67a284f6042c5213aa3d725b42d7d0e09e987016c7f670
SSDEEP 6144:GXCR1hqteZqJJZ4BTZ7uzbgwuFQWwVfU:GSRbCBK5Z7unn5m
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.towz
offline_id
SSHsHMHGmSIhrz50VnIxLJJX15osxEQY6iXedXt1
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 266KB
- SHA256 5d6e1ec4f556c929ec2c7b9b4e0ea7f14ba2e7ed61ae670fedc00e27b4b6a5f6
- MD5 0c46d0619219da90a35d94bcf4d7e094
- SHA1 43cf7800e5bcdeb439cff1c230a5681682fbc03b
- SHA512 d774ae1d85bd7c727b70f5b515ca7c000d05ef067ddd7babfa16ac8ffe8a0fea44634f23b372266ddf67a284f6042c5213aa3d725b42d7d0e09e987016c7f670
- SSDEEP 6144:GXCR1hqteZqJJZ4BTZ7uzbgwuFQWwVfU:GSRbCBK5Z7unn5m
- 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