Resubmissions

09-01-2023 12:46

230109-pzzzkaeb73 10

31-12-2022 16:26

221231-txqekahh85 10

31-12-2022 16:11

221231-tnc3wahh62 10

General

  • Target

    2f7a15691c51124019ccf5cbde2f399e52164f645b70bf4aaab596391146bb7f

  • Size

    262KB

  • Sample

    221231-txqekahh85

  • MD5

    a58ba818715cbcd50fff388b246e04d1

  • SHA1

    52ebdb14a8e3d61ffc6b3df3d76c4434733ea7de

  • SHA256

    2f7a15691c51124019ccf5cbde2f399e52164f645b70bf4aaab596391146bb7f

  • SHA512

    d6a98a816a0e5561128d674371f130cf43b68bc4c350866b20d1eac970e4c5aa4db53badec16dc27df3695e97d2bdb6e6fa8ae72981324671c060457c03339ee

  • SSDEEP

    3072:MlLntn1Y9zL3g7foklrmRQXN7SCzyLgCmN6kb5vfOxOvlmqrzn8f227hZY:sneL3qocb7SufCJ4SOYcn8rZY

Malware Config

Extracted

Path

C:\_readme.txt

Family

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-OKSOfVy04R 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: 0625SduefzyLgcsh7AtBZ4UXI56nqwQltkzjkfNYsUiDJjQLL
URLs

https://we.tl/t-OKSOfVy04R

Extracted

Family

amadey

Version

3.63

C2

62.204.41.109/Nmkn5d9Dn/index.php

Extracted

Family

djvu

C2

http://ex3mall.com/lancer/get.php

Attributes
  • extension

    .znto

  • offline_id

    bE95c2N1x4fARf4W3qmFCjkKPwfFkQaU9NpNBMt1

  • payload_url

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

    http://ex3mall.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-OKSOfVy04R 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: 0625Sduef

rsa_pubkey.plain

Extracted

Family

vidar

Version

1.7

Botnet

19

C2

https://t.me/robloxblackl

https://steamcommunity.com/profiles/76561199458928097

Attributes
  • profile_id

    19

Targets

    • Target

      2f7a15691c51124019ccf5cbde2f399e52164f645b70bf4aaab596391146bb7f

    • Size

      262KB

    • MD5

      a58ba818715cbcd50fff388b246e04d1

    • SHA1

      52ebdb14a8e3d61ffc6b3df3d76c4434733ea7de

    • SHA256

      2f7a15691c51124019ccf5cbde2f399e52164f645b70bf4aaab596391146bb7f

    • SHA512

      d6a98a816a0e5561128d674371f130cf43b68bc4c350866b20d1eac970e4c5aa4db53badec16dc27df3695e97d2bdb6e6fa8ae72981324671c060457c03339ee

    • SSDEEP

      3072:MlLntn1Y9zL3g7foklrmRQXN7SCzyLgCmN6kb5vfOxOvlmqrzn8f227hZY:sneL3qocb7SufCJ4SOYcn8rZY

    • 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.

    • Detect Amadey credential stealer module

    • Detected Djvu ransomware

    • Detects LgoogLoader payload

    • Detects Smokeloader packer

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • LgoogLoader

      A downloader capable of dropping and executing other malware families.

    • 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

    • Executes dropped EXE

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • Sets service image path in registry

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • 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 accounts

    • 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.

    • 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 NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks