djvu | eb15bba3ee7f584be3e763ad0ef60cb85adb407719f7ad3c3aba24915a4fe2eb

General

Target

file.exe
Size

264KB
Sample

221004-czp35shcc4
MD5

2bfff23f0718870280f3970dd93a258c
SHA1

64fa420ca9411d84f869d47b94561cb0d4825407
SHA256

eb15bba3ee7f584be3e763ad0ef60cb85adb407719f7ad3c3aba24915a4fe2eb
SHA512

49ca47dba6185fd594561761852d9d1ece6ff57c66bcb13ae5bf811fb58521dd1aabdd76193a2da4197ac0087235e27ece9d7f5f95bf153ec9df46e01941bb22
SSDEEP

3072:rXh+xZrDyMprULC157c0Anx6850oczQbfz0gybSWrxpzbgqrutOjMfpZa9uD6Vdp:DuZm2c0PZolz7y2uzbgwutO+wVf

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
ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-g28rVcqA58 Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0573Jhyjd

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
  
  264KB
- MD5
  
  2bfff23f0718870280f3970dd93a258c
- SHA1
  
  64fa420ca9411d84f869d47b94561cb0d4825407
- SHA256
  
  eb15bba3ee7f584be3e763ad0ef60cb85adb407719f7ad3c3aba24915a4fe2eb
- SHA512
  
  49ca47dba6185fd594561761852d9d1ece6ff57c66bcb13ae5bf811fb58521dd1aabdd76193a2da4197ac0087235e27ece9d7f5f95bf153ec9df46e01941bb22
- SSDEEP
  
  3072:rXh+xZrDyMprULC157c0Anx6850oczQbfz0gybSWrxpzbgqrutOjMfpZa9uD6Vdp:DuZm2c0PZolz7y2uzbgwutO+wVf
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