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General

  • Target

    30c417c811d92eb4ca47f1c1d526e6d1580a3fcfe221e360dd9394dbd5ba6db6

  • Size

    647KB

  • Sample

    220927-a1aczaddcl

  • MD5

    c1bf55712269a7da0bc3d94225b97240

  • SHA1

    e1bf38a36df2c42af329cfa4f5e2caa52843a7dd

  • SHA256

    30c417c811d92eb4ca47f1c1d526e6d1580a3fcfe221e360dd9394dbd5ba6db6

  • SHA512

    0e667a204d258cef08391f975261fc49063c83de96e806f72a320b534b93e1cfd6013b9a4e56c0d8abb56d115644a7e686ec33ac978c6248f13b3e2e3b3dda02

  • SSDEEP

    12288:XOnidWRBe5EOVNzo4BDlUWaBIDO0HyOZFpNH6arrr570SdrUHY8y9NBQUUaYMrwI:+nGWRBe5TPYWaC/yIpvrrd70SNUHY3QE

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .oflg

  • offline_id

    xkNzhkB1wvgoDI7Uo0HPNLY3qCuwoFpP7nlhlut1

  • 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-EWKSsSJiVn 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: 0566Jhyjd

rsa_pubkey.plain

Extracted

Family

vidar

Version

54.6

Botnet

517

C2

https://t.me/huobiinside

https://mas.to/@kyriazhs1975

Attributes
  • profile_id

    517

Targets

    • Target

      30c417c811d92eb4ca47f1c1d526e6d1580a3fcfe221e360dd9394dbd5ba6db6

    • Size

      647KB

    • MD5

      c1bf55712269a7da0bc3d94225b97240

    • SHA1

      e1bf38a36df2c42af329cfa4f5e2caa52843a7dd

    • SHA256

      30c417c811d92eb4ca47f1c1d526e6d1580a3fcfe221e360dd9394dbd5ba6db6

    • SHA512

      0e667a204d258cef08391f975261fc49063c83de96e806f72a320b534b93e1cfd6013b9a4e56c0d8abb56d115644a7e686ec33ac978c6248f13b3e2e3b3dda02

    • SSDEEP

      12288:XOnidWRBe5EOVNzo4BDlUWaBIDO0HyOZFpNH6arrr570SdrUHY8y9NBQUUaYMrwI:+nGWRBe5TPYWaC/yIpvrrd70SNUHY3QE

    • 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

    • 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 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