dcrat

General

Target
ee1d1018f825ffa2d507f0d58a3a2c9d14a2b4a9c351e7d3fa05d29063488b9e
Size 146KB
Sample221201-rda5esef46
SHA256 ee1d1018f825ffa2d507f0d58a3a2c9d14a2b4a9c351e7d3fa05d29063488b9e
MD5 2c6e6e290972fcd5e556efccfd51f174
SHA1 ec3de0785e4ccd0282e92e35c915ddb72832fd83
SHA512 a7077bf87ad233413322dd55d4c1ed684d5ebd70e9451307d9f70ba1888688fa5b375a6006803da9e9cc800be7bc928230ad26a889e88c907854a8bc73ad539f
SSDEEP 1536:KQsw8LQ+Z9DjjSD60zzeE2G95Vz6B6yRTj9AU44YxSs2gdIuV8Vm3PkO0v0RDQBK:KjiSd/LHG9516B6cv44WdX80/VDmGp
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

Malware Config

Extracted

Path

C:\_readme.txt

djvu

Ransom Note

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: 0611djfsieEzyLgcsh7AtBZ4UXI56nqwQltkzjkfNYsUiDJjQLL

Emails

URLs

https://we.tl/t-5UcwRdS3ED

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
  ee1d1018f825ffa2d507f0d58a3a2c9d14a2b4a9c351e7d3fa05d29063488b9e
- Size 146KB
- SHA256 ee1d1018f825ffa2d507f0d58a3a2c9d14a2b4a9c351e7d3fa05d29063488b9e
- MD5 2c6e6e290972fcd5e556efccfd51f174
- SHA1 ec3de0785e4ccd0282e92e35c915ddb72832fd83
- SHA512 a7077bf87ad233413322dd55d4c1ed684d5ebd70e9451307d9f70ba1888688fa5b375a6006803da9e9cc800be7bc928230ad26a889e88c907854a8bc73ad539f
- SSDEEP 1536:KQsw8LQ+Z9DjjSD60zzeE2G95Vz6B6yRTj9AU44YxSs2gdIuV8Vm3PkO0v0RDQBK:KjiSd/LHG9516B6cv44WdX80/VDmGp
- 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
- Modifies extensions of user files
  Ransomware generally changes the extension on encrypted files.
  ransomware
- Sets DLL path for service in the registry
  persistence
- Sets service image path in registry
  persistence
- 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 accounts
  collection
- 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