General

  • Target

    21d4030a9db8562c237416693a5db0316602b363c163456be917ec3fb7945d16

  • Size

    716KB

  • Sample

    221018-z7k6gsdgg9

  • MD5

    1b91e4b18fde5cbd09317015b3f35855

  • SHA1

    ff5a4c1c7baf122f02fbd82eda14a3210c07b847

  • SHA256

    21d4030a9db8562c237416693a5db0316602b363c163456be917ec3fb7945d16

  • SHA512

    250511c549ce3dfb2bf52582843a96d9a5f47154f355187548a19889929f7e66b3c1b1d6abbf43b2174a865e596928aec978c62ff3b7f3d8087ff169cdc6fea0

  • SSDEEP

    12288:jHyZ5OQKKEbSQGEXLWZbUDdqxGlqQ73lO1rJOgmaBdOrvZgkQiyGvj06mjiB:jHPQKBbaEb1oxVQ78zOgrwvZgriXIji

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .tuis

  • offline_id

    Uz66zEbmA32arcxwT81zZhkb23026oHz5iSp8qt1

  • payload_url

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

    http://winnlinne.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-o7UXxOstmw 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: 0582Jhyjd

rsa_pubkey.plain

Extracted

Family

vidar

Version

55

Botnet

517

C2

https://t.me/truewallets

https://mas.to/@zara99

http://116.203.10.3:80

Attributes
  • profile_id

    517

Targets

    • Target

      21d4030a9db8562c237416693a5db0316602b363c163456be917ec3fb7945d16

    • Size

      716KB

    • MD5

      1b91e4b18fde5cbd09317015b3f35855

    • SHA1

      ff5a4c1c7baf122f02fbd82eda14a3210c07b847

    • SHA256

      21d4030a9db8562c237416693a5db0316602b363c163456be917ec3fb7945d16

    • SHA512

      250511c549ce3dfb2bf52582843a96d9a5f47154f355187548a19889929f7e66b3c1b1d6abbf43b2174a865e596928aec978c62ff3b7f3d8087ff169cdc6fea0

    • SSDEEP

      12288:jHyZ5OQKKEbSQGEXLWZbUDdqxGlqQ73lO1rJOgmaBdOrvZgkQiyGvj06mjiB:jHPQKBbaEb1oxVQ78zOgrwvZgriXIji

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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