djvu | f49eee5c6ef297661ca8252a27d334580cdbc4c6a5bbb6c4ca9cd98ab2d7dc52

General

Target

f49eee5c6ef297661ca8252a27d334580cdbc4c6a5bbb6c4ca9cd98ab2d7dc52
Size

750KB
Sample

221226-mbk5dscg48
MD5

ae21cdf16306059d4349c2ca9b0407a0
SHA1

df213eeffe96661015e29338765459894978628a
SHA256

f49eee5c6ef297661ca8252a27d334580cdbc4c6a5bbb6c4ca9cd98ab2d7dc52
SHA512

5724ee6e682c835f6b6ac5fb605672a6d579c0e2440fe97e71c737f386da569df3fad2cf85d3e8482261662c44239e2c96194ff35dc3c586b9942a78eaf0149e
SSDEEP

12288:3wOePOh6junqavv2FByq8nqbkhM1V4TagxXwGq8tlP/IQTkQbYxkcK6Bc8r:ZeBunqaX6yqPZe3xXw9alP/3ZJcKgci

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://ex3mall.com/test1/get.php

Attributes

extension
.isal
offline_id
m3KmScxfDyEQzJYP8qjOSfP4FvpsOXlekGuMPzt1
payload_url
http://uaery.top/dl/build2.exe

http://ex3mall.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-oWam3yYrSr 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: 0620JOsie

rsa_pubkey.plain

Targets

- Target
  
  f49eee5c6ef297661ca8252a27d334580cdbc4c6a5bbb6c4ca9cd98ab2d7dc52
- Size
  
  750KB
- MD5
  
  ae21cdf16306059d4349c2ca9b0407a0
- SHA1
  
  df213eeffe96661015e29338765459894978628a
- SHA256
  
  f49eee5c6ef297661ca8252a27d334580cdbc4c6a5bbb6c4ca9cd98ab2d7dc52
- SHA512
  
  5724ee6e682c835f6b6ac5fb605672a6d579c0e2440fe97e71c737f386da569df3fad2cf85d3e8482261662c44239e2c96194ff35dc3c586b9942a78eaf0149e
- SSDEEP
  
  12288:3wOePOh6junqavv2FByq8nqbkhM1V4TagxXwGq8tlP/IQTkQbYxkcK6Bc8r:ZeBunqaX6yqPZe3xXw9alP/3ZJcKgci
Score

10^/10

djvu discovery persistence ransomware spyware stealer
- Detected Djvu ransomware
- Djvu Ransomware
  Ransomware which is a variant of the STOP family.
  ransomware djvu
- 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 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