dcrat

General

Target
b0a3b0f4eee373dc641bb41da16df50120b831379dadba556598d642beaeee89
Size 191KB
Sample221202-b2763aef9w
SHA256 b0a3b0f4eee373dc641bb41da16df50120b831379dadba556598d642beaeee89
MD5 3df0263cf82bd13b7dab9a896357efc4
SHA1 0eec3c8464156fa9c6e2e07c5898d7a39ce5e8ea
SHA512 0caeef7a59320038b14f04778e117a84d9ffa8924060f209861a47d3eaf91b76cff7d91e4b8477a1d74cde534d204e2072d9490c9182ce56c87901fc747b9ee1
SSDEEP 3072:EBACblbKYcT7I5rSA8UU2p9Mt2KMaOoRs9E3AZxpR/LDNg3HH:bCZcToU6PMMaOhvpB
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.uyit
offline_id
HtkmULXEgJoZa495hFUJlvKCD0OwnxklbkoITjt1
payload_url
http://uaery.top/dl/build2.exe

http://fresherlights.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-5UcwRdS3ED 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: 0611djfsieE

rsa_pubkey.plain

Extracted

Family

vidar

Version

56

Botnet

517

C2

https://t.me/asifrazatg
https://steamcommunity.com/profiles/76561199439929669

Attributes

profile_id
517

Targets

- Target
  b0a3b0f4eee373dc641bb41da16df50120b831379dadba556598d642beaeee89
- Size 191KB
- SHA256 b0a3b0f4eee373dc641bb41da16df50120b831379dadba556598d642beaeee89
- MD5 3df0263cf82bd13b7dab9a896357efc4
- SHA1 0eec3c8464156fa9c6e2e07c5898d7a39ce5e8ea
- SHA512 0caeef7a59320038b14f04778e117a84d9ffa8924060f209861a47d3eaf91b76cff7d91e4b8477a1d74cde534d204e2072d9490c9182ce56c87901fc747b9ee1
- SSDEEP 3072:EBACblbKYcT7I5rSA8UU2p9Mt2KMaOoRs9E3AZxpR/LDNg3HH:bCZcToU6PMMaOhvpB
- MD5 SHA1 SHA512 SSDEEP
Score

10^/10

dcrat djvu smokeloader vidar 517 backdoor collection discovery infostealer persistence ransomware rat spyware stealer trojan
- DcRat
  DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
  rat infostealer dcrat
- 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
- Blocklisted process makes network request
- Downloads MZ/PE file
- Drops file in Drivers directory
- 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
- Drops Chrome extension
- 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