General

  • Target

    56eeb7f59526c2e0d3741145cee1655d084d7d4cd09d989f6b74c8bc93479027

  • Size

    871KB

  • Sample

    230616-s5mg7sff56

  • MD5

    326223e6985d9751a8f947c8d17e775d

  • SHA1

    6a00382e917a5c23c42d54be8ff6b1085efc7c2a

  • SHA256

    56eeb7f59526c2e0d3741145cee1655d084d7d4cd09d989f6b74c8bc93479027

  • SHA512

    20b57b6deb86440f7863e2c989d421a518e1e18d36cf019cef415d7b1a0e6b12c45f340434382fe1b87e2eaa3591e08cc49c4ec863d7a56b82bcdbf1e1e28b90

  • SSDEEP

    12288:EGrfk2skY81XjJ8WLbBCa8UczokGHNvg1NhIDG0Ipef4VhzeWl1wvsIfG:EGrfk2VYQrbMzUgokG5QspaebG

Malware Config

Extracted

Family

djvu

C2

http://zexeq.com/raud/get.php

Attributes
  • extension

    .ahui

  • offline_id

    vPWUuYIO6Lzy2cGt8zL7FERKTf4QMBPjn7F005t1

  • payload_url

    http://colisumy.com/dl/build2.exe

    http://zexeq.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-sLaQRb9N6e 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: 0728Isk

rsa_pubkey.plain

Extracted

Family

vidar

Version

4.3

Botnet

a129a8292a021d62796bfced1018aa1f

C2

https://steamcommunity.com/profiles/76561199514261168

https://t.me/kamaprimo

Attributes
  • profile_id_v2

    a129a8292a021d62796bfced1018aa1f

  • user_agent

    Mozilla/5.0 (Linux; U; Tizen 2.0; en-us) AppleWebKit/537.1 (KHTML, like Gecko) Mobile TizenBrowser/2.0

Targets

    • Target

      56eeb7f59526c2e0d3741145cee1655d084d7d4cd09d989f6b74c8bc93479027

    • Size

      871KB

    • MD5

      326223e6985d9751a8f947c8d17e775d

    • SHA1

      6a00382e917a5c23c42d54be8ff6b1085efc7c2a

    • SHA256

      56eeb7f59526c2e0d3741145cee1655d084d7d4cd09d989f6b74c8bc93479027

    • SHA512

      20b57b6deb86440f7863e2c989d421a518e1e18d36cf019cef415d7b1a0e6b12c45f340434382fe1b87e2eaa3591e08cc49c4ec863d7a56b82bcdbf1e1e28b90

    • SSDEEP

      12288:EGrfk2skY81XjJ8WLbBCa8UczokGHNvg1NhIDG0Ipef4VhzeWl1wvsIfG:EGrfk2VYQrbMzUgokG5QspaebG

    • 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