General

  • Target

    7322cf687936439baf84cad597cd18da65d36a95bcb6e83caac5abdef5aa9b3d

  • Size

    266KB

  • Sample

    220415-lg88qsffdq

  • MD5

    079f281954c9b22e1561b16b05967656

  • SHA1

    30c215a1a3fba70d6b0c1bdd0983c458a5165cb0

  • SHA256

    7322cf687936439baf84cad597cd18da65d36a95bcb6e83caac5abdef5aa9b3d

  • SHA512

    d945f85becd2556743a65d84016896206d9f35f22ead519d55d70356e5d09f4d06888772371ba11b58951c525ffa139ade6fd96e3a1358c35da2a1477581bf02

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://coralee.at/upload/

http://ducvietcao.com/upload/

http://biz-acc.ru/upload/

http://toimap.com/upload/

http://bbb7d.com/upload/

http://piratia-life.ru/upload/

http://curvreport.com/upload/

http://viagratos.com/upload/

http://mordo.ru/upload/

http://pkodev.net/upload/

rc4.i32
rc4.i32

Extracted

Family

djvu

C2

http://fuyt.org/fhsgtsspen6/get.php

Attributes
  • extension

    .qpss

  • offline_id

    miqhSGmGE63yWs53FTz0fnp8eCARpnaYE3O3p2t1

  • payload_url

    http://zerit.top/dl/build2.exe

    http://fuyt.org/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-0SLhZxAjRX 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: 0448JIjdm

rsa_pubkey.plain

Extracted

Family

redline

Botnet

paladin

C2

193.150.103.38:80

Attributes
  • auth_value

    87a8f0ab6301809ee2c83215939da2a6

Targets

    • Target

      7322cf687936439baf84cad597cd18da65d36a95bcb6e83caac5abdef5aa9b3d

    • Size

      266KB

    • MD5

      079f281954c9b22e1561b16b05967656

    • SHA1

      30c215a1a3fba70d6b0c1bdd0983c458a5165cb0

    • SHA256

      7322cf687936439baf84cad597cd18da65d36a95bcb6e83caac5abdef5aa9b3d

    • SHA512

      d945f85becd2556743a65d84016896206d9f35f22ead519d55d70356e5d09f4d06888772371ba11b58951c525ffa139ade6fd96e3a1358c35da2a1477581bf02

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Meta Stealer Stealer

      Meta Stealer steals passwords stored in browsers, written in C++.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine Payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

      suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

    • suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

      suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

    • suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt) M2

      suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt) M2

    • suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (passwords.txt) M2

      suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (passwords.txt) M2

    • suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

      suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

    • suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

      suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

    • suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern

      suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern

    • Vidar Stealer

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Deletes itself

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses 2FA software files, possible credential harvesting

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks