General

  • Target

    c6dfb8fc95262485e0e8014a2a9b520647bbba5b2c961f4f5ca377cebce30454

  • Size

    202KB

  • Sample

    221019-bcsp3sehej

  • MD5

    b5def039be2569f6851bbc529ca968e6

  • SHA1

    f476d478f771c660a79f5067b51d2b6c0cc4a6dd

  • SHA256

    c6dfb8fc95262485e0e8014a2a9b520647bbba5b2c961f4f5ca377cebce30454

  • SHA512

    5b5601f821b0b10ae838e482c8a1bdca5e071783a90caad1d09b009de880d079161f34b5cb836c38a4c3413fd3ca212bd2b81a027d4f6a7adb8442c869c0ac61

  • SSDEEP

    3072:2XuryvLWXWgW5P4trQvOcnH4uAwE0K7YUkrkUuSC:e6yvLi5Prx0MYfpuS

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .tury

  • 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: 0585Jhyjd

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

      c6dfb8fc95262485e0e8014a2a9b520647bbba5b2c961f4f5ca377cebce30454

    • Size

      202KB

    • MD5

      b5def039be2569f6851bbc529ca968e6

    • SHA1

      f476d478f771c660a79f5067b51d2b6c0cc4a6dd

    • SHA256

      c6dfb8fc95262485e0e8014a2a9b520647bbba5b2c961f4f5ca377cebce30454

    • SHA512

      5b5601f821b0b10ae838e482c8a1bdca5e071783a90caad1d09b009de880d079161f34b5cb836c38a4c3413fd3ca212bd2b81a027d4f6a7adb8442c869c0ac61

    • SSDEEP

      3072:2XuryvLWXWgW5P4trQvOcnH4uAwE0K7YUkrkUuSC:e6yvLi5Prx0MYfpuS

    • Detected Djvu ransomware

    • Detects Smokeloader packer

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

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

    • 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 Microsoft Outlook profiles

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • 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