General

  • Target

    6b08812a6837ef81f21ddd7dc04aadcb.exe

  • Size

    161KB

  • Sample

    240306-nd9q7saf99

  • MD5

    6b08812a6837ef81f21ddd7dc04aadcb

  • SHA1

    ef9acb2bd522fd21e7ee1bdfd1c6ac6522ee5952

  • SHA256

    cc28d7f2d6934af40e9f5ca9acc40179cd2688271ec778556aabfd2638a943e6

  • SHA512

    51534f2963b483c91eca6bdd8aa04cd2441d9c24dc6da276c057c3137714510a4ddda9a25845890748887f096cc31889093c3389c8219e0a90911d166c2e3e7d

  • SSDEEP

    3072:6iZpyDaHgA6pqu3oHS8rys0iCXlRTmmXR8su4:6qpyMMpWyKpURf

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Version

2022

C2

http://trad-einmyus.com/index.php

http://tradein-myus.com/index.php

http://trade-inmyus.com/index.php

rc4.i32
rc4.i32

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .wisz

  • offline_id

    4p0Nzrg1q0ND5of5Gtp2UBjthSXuE8VxnMrd4vt1

  • payload_url

    http://sdfjhuz.com/dl/build2.exe

    http://sajdfue.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. Do not ask assistants from youtube and recovery data sites for help in recovering your data. They can use your free decryption quota and scam you. Our contact is emails in this text document only. You can get and look video overview decrypt tool: https://wetransfer.com/downloads/a832401adcd58098c699f768ffea4f1720240305114308/7e601a Price of private key and decrypt software is $999. Discount 50% available if you contact us first 72 hours, that's price for you is $499. 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: 0853PsawqS

rsa_pubkey.plain

Extracted

Family

vidar

Version

8.1

Botnet

e2da5861d01d391b927839bbec00e666

C2

https://steamcommunity.com/profiles/76561199649267298

https://t.me/uprizin

Attributes
  • profile_id_v2

    e2da5861d01d391b927839bbec00e666

  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/110.0.0.0 Safari/537.36 OPR/96.0.0.0

Targets

    • Target

      6b08812a6837ef81f21ddd7dc04aadcb.exe

    • Size

      161KB

    • MD5

      6b08812a6837ef81f21ddd7dc04aadcb

    • SHA1

      ef9acb2bd522fd21e7ee1bdfd1c6ac6522ee5952

    • SHA256

      cc28d7f2d6934af40e9f5ca9acc40179cd2688271ec778556aabfd2638a943e6

    • SHA512

      51534f2963b483c91eca6bdd8aa04cd2441d9c24dc6da276c057c3137714510a4ddda9a25845890748887f096cc31889093c3389c8219e0a90911d166c2e3e7d

    • SSDEEP

      3072:6iZpyDaHgA6pqu3oHS8rys0iCXlRTmmXR8su4:6qpyMMpWyKpURf

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Detect Vidar Stealer

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Windows security bypass

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Windows security modification

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks