Resubmissions

10/12/2022, 10:44

221210-mta25sab8x10

09/12/2022, 20:12

221209-yza5waha7v10

04/12/2022, 13:12

221204-qfsa2sbh7410

01/12/2022, 14:04

221201-rda5esef4610

30/11/2022, 14:19

221130-rms2lagf2810

29/11/2022, 15:31

221129-syd79afa3z10

29/11/2022, 09:15

221129-k73m7shf6s10

29/11/2022, 09:08

221129-k31caahc7x10

General

  • Target
    ee1d1018f825ffa2d507f0d58a3a2c9d14a2b4a9c351e7d3fa05d29063488b9e
  • Size 146KB
  • Sample221129-syd79afa3z
  • SHA256 ee1d1018f825ffa2d507f0d58a3a2c9d14a2b4a9c351e7d3fa05d29063488b9e
  • MD5 SHA1 SHA512 SSDEEP

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-lj5qINGbTc 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: 0608JhyjdVEqkcaVIxMLd1m3qIE2V0o4dDI9mGsE02NWUTjMh
URLs
  • https://we.tl/t-lj5qINGbTc

Extracted

Family
  • amadey

Version
  • 3.50

C2
  • 193.56.146.194/h49vlBP/index.php

Extracted

Family
  • djvu

C2
  • http://fresherlights.com/lancer/get.php

Attributes
  • extension

    .kcbu

  • offline_id

    hlqzhQ6w5SquNDF4Ul2XBDJQkSIKbAT6rmRBTit1

  • 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-lj5qINGbTc 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: 0608Jhyjd

rsa_pubkey.plain

Extracted

Family
  • vidar

Version
  • 55.9

Botnet
  • 517

C2
  • https://t.me/headshotsonly

  • https://steamcommunity.com/profiles/76561199436777531

Attributes
  • profile_id

    517

Targets

    • Target
      ee1d1018f825ffa2d507f0d58a3a2c9d14a2b4a9c351e7d3fa05d29063488b9e
    • Size 146KB
    • SHA256 ee1d1018f825ffa2d507f0d58a3a2c9d14a2b4a9c351e7d3fa05d29063488b9e
    • MD5 SHA1 SHA512 SSDEEP
    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • DcRat

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

    • 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.

    • 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.

    • Registers COM server for autorun

    • Checks computer location settings

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

    • Loads dropped DLL

    • Modifies file permissions

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • 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.

    • Drops Chrome extension

    • Drops desktop.ini file(s)

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • 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 v6

Tasks