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General

  • Target

    37f9e4bae75de25ca4a4957fab10070bad6ebc162079cb1ae5ae3557766dda0c

  • Size

    703KB

  • Sample

    221201-tagtxagh6s

  • MD5

    e4ac9588fd75fe70172873b5ca0ab847

  • SHA1

    ba249917c721ed68b568a359a2d54f176fd943be

  • SHA256

    37f9e4bae75de25ca4a4957fab10070bad6ebc162079cb1ae5ae3557766dda0c

  • SHA512

    39857dd40f2ab269bc568a11b40228fab03aabfa3dbe3a6baafd0c3320c6ba6636aa36ef67bd691673b337f4757beb194ce83ce400fe3dabdccdd33773440e84

  • SSDEEP

    12288:bqTtg2tDsR7FcGKqYUCq0/Vdfe6HIrimA3g3ORu87TrF5cE:bGtdJerCHJH8JAbRu8T0

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .uyro

  • 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: 0609djfsieE

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

      37f9e4bae75de25ca4a4957fab10070bad6ebc162079cb1ae5ae3557766dda0c

    • Size

      703KB

    • MD5

      e4ac9588fd75fe70172873b5ca0ab847

    • SHA1

      ba249917c721ed68b568a359a2d54f176fd943be

    • SHA256

      37f9e4bae75de25ca4a4957fab10070bad6ebc162079cb1ae5ae3557766dda0c

    • SHA512

      39857dd40f2ab269bc568a11b40228fab03aabfa3dbe3a6baafd0c3320c6ba6636aa36ef67bd691673b337f4757beb194ce83ce400fe3dabdccdd33773440e84

    • SSDEEP

      12288:bqTtg2tDsR7FcGKqYUCq0/Vdfe6HIrimA3g3ORu87TrF5cE:bGtdJerCHJH8JAbRu8T0

    • 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