General

  • Target

    f313caad5b2862e28ad8a76a4d8b39d15f907fcaaf3ec3eea66315d5f8193a32

  • Size

    838KB

  • Sample

    220927-gthjbsdgfj

  • MD5

    4460ff51d5566822d374a3b2ef00a3d4

  • SHA1

    973b0ae6038646d82f09da5c5e148180808c2ccb

  • SHA256

    f313caad5b2862e28ad8a76a4d8b39d15f907fcaaf3ec3eea66315d5f8193a32

  • SHA512

    c3d1d149326dd2ad75ddfb75a9fcc38233e89f045d5c5fae3f40c3510bd630d56c89bd1d6a9c88dbd456b72731d16ac4e5d61038055fbe1c92b00eb6a8976a13

  • SSDEEP

    24576:ze5r99T9xDis6nZWYvv4uun0A1MaJUSfDZYATi:ze5ht9xDiTZbv9un0AzDZYA

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

      f313caad5b2862e28ad8a76a4d8b39d15f907fcaaf3ec3eea66315d5f8193a32

    • Size

      838KB

    • MD5

      4460ff51d5566822d374a3b2ef00a3d4

    • SHA1

      973b0ae6038646d82f09da5c5e148180808c2ccb

    • SHA256

      f313caad5b2862e28ad8a76a4d8b39d15f907fcaaf3ec3eea66315d5f8193a32

    • SHA512

      c3d1d149326dd2ad75ddfb75a9fcc38233e89f045d5c5fae3f40c3510bd630d56c89bd1d6a9c88dbd456b72731d16ac4e5d61038055fbe1c92b00eb6a8976a13

    • SSDEEP

      24576:ze5r99T9xDis6nZWYvv4uun0A1MaJUSfDZYATi:ze5ht9xDiTZbv9un0AzDZYA

    • 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