General

  • Target

    5bb69bc650996162c3d12a139c945faf10f8ce3fc05da8292dec55d50e187c89

  • Size

    184KB

  • Sample

    221130-zq2f5sgh7s

  • MD5

    3c8aa824f4eed4f50e5db7c0dda76eaf

  • SHA1

    5d12d5ee3525a935a70b572905ee1bc94473bf12

  • SHA256

    5bb69bc650996162c3d12a139c945faf10f8ce3fc05da8292dec55d50e187c89

  • SHA512

    cdf827333d3f27c4b7c9c5bd981f987b4a580aff18606f0b31c3d79b634f573ed3c79a3463f2f1443f639a45cb3029dbb230dfe29efdf9853858d29ccfb5a991

  • SSDEEP

    3072:HWMTSrIO45FjeCMn5BUlef+BwdkIhd3dRMFmKRw+6i2f73v:2M045FjehUlbw6ap/ME+Mx

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .uyit

  • offline_id

    HtkmULXEgJoZa495hFUJlvKCD0OwnxklbkoITjt1

  • 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-5UcwRdS3ED 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: 0611djfsieE

rsa_pubkey.plain

Extracted

Family

vidar

Version

56

Botnet

517

C2

https://t.me/asifrazatg

https://steamcommunity.com/profiles/76561199439929669

Attributes
  • profile_id

    517

Targets

    • Target

      5bb69bc650996162c3d12a139c945faf10f8ce3fc05da8292dec55d50e187c89

    • Size

      184KB

    • MD5

      3c8aa824f4eed4f50e5db7c0dda76eaf

    • SHA1

      5d12d5ee3525a935a70b572905ee1bc94473bf12

    • SHA256

      5bb69bc650996162c3d12a139c945faf10f8ce3fc05da8292dec55d50e187c89

    • SHA512

      cdf827333d3f27c4b7c9c5bd981f987b4a580aff18606f0b31c3d79b634f573ed3c79a3463f2f1443f639a45cb3029dbb230dfe29efdf9853858d29ccfb5a991

    • SSDEEP

      3072:HWMTSrIO45FjeCMn5BUlef+BwdkIhd3dRMFmKRw+6i2f73v:2M045FjehUlbw6ap/ME+Mx

    • 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

    • 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.

    • Drops Chrome extension

    • 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