General

  • Target

    file.exe

  • Size

    197KB

  • Sample

    221018-xqbvdadae7

  • MD5

    53c0c3671d483aa181d21691e10378eb

  • SHA1

    af65c22b61e1e32be4735f062bd3be0480dc2802

  • SHA256

    7fd4539abc9bf2036ccad13e6a83a7dda7cec0f4dd045e3a3e0d5d3fc00b4933

  • SHA512

    591897ef2a8729da146880783b2130daa1e20edf4a5d009beedfccc994ed6c138cb22551af85015891e3733713703978b04ad949b08022377afe2aae61b54030

  • SSDEEP

    3072:2XGr+VLalmyb3Sam59xt9P314dNDyGr9dV3WmBgL0KoHlax9E:eC+VLxyb37MRv0s09dV3jBM0nFl

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .tury

  • offline_id

    Uz66zEbmA32arcxwT81zZhkb23026oHz5iSp8qt1

  • 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-o7UXxOstmw 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: 0585Jhyjd

rsa_pubkey.plain

Extracted

Family

vidar

Version

55

Botnet

517

C2

https://t.me/truewallets

https://mas.to/@zara99

http://116.203.10.3:80

Attributes
  • profile_id

    517

Targets

    • Target

      file.exe

    • Size

      197KB

    • MD5

      53c0c3671d483aa181d21691e10378eb

    • SHA1

      af65c22b61e1e32be4735f062bd3be0480dc2802

    • SHA256

      7fd4539abc9bf2036ccad13e6a83a7dda7cec0f4dd045e3a3e0d5d3fc00b4933

    • SHA512

      591897ef2a8729da146880783b2130daa1e20edf4a5d009beedfccc994ed6c138cb22551af85015891e3733713703978b04ad949b08022377afe2aae61b54030

    • SSDEEP

      3072:2XGr+VLalmyb3Sam59xt9P314dNDyGr9dV3WmBgL0KoHlax9E:eC+VLxyb37MRv0s09dV3jBM0nFl

    • 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.

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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 user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Uses the VBS compiler for execution

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • 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