General

  • Target

    f62e2a217e583db57800500bef15e6354cd252913bc4c49b9c4fc03ad441e88b

  • Size

    744KB

  • Sample

    220425-h93pwafgal

  • MD5

    84cfed83d338f5e08a0d0ec8fda604a8

  • SHA1

    fa3a64ead818a5c34af6e76fbf6152ca6d14a5a4

  • SHA256

    f62e2a217e583db57800500bef15e6354cd252913bc4c49b9c4fc03ad441e88b

  • SHA512

    818c978620fd30080316ebc8f2ef82c86e0bebc3b827b6237ff4deeaee5779b908ff1ad0b90b8695d182474a03d1984f08c92b368b18435148b56d7d91d38a0a

Malware Config

Extracted

Family

djvu

C2

http://fuyt.org/fhsgtsspen6/get.php

Attributes
  • extension

    .dmay

  • offline_id

    Xe4NOamOTHZrARTiL9dfVzAylFrEWLGGbr2dngt1

  • payload_url

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

    http://fuyt.org/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-FT7BNVbXC9 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: 0458JIjdm

rsa_pubkey.plain

Extracted

Family

vidar

Version

51.8

Botnet

517

C2

https://t.me/mm20220428

https://koyu.space/@ronxik123

Attributes
  • profile_id

    517

Targets

    • Target

      f62e2a217e583db57800500bef15e6354cd252913bc4c49b9c4fc03ad441e88b

    • Size

      744KB

    • MD5

      84cfed83d338f5e08a0d0ec8fda604a8

    • SHA1

      fa3a64ead818a5c34af6e76fbf6152ca6d14a5a4

    • SHA256

      f62e2a217e583db57800500bef15e6354cd252913bc4c49b9c4fc03ad441e88b

    • SHA512

      818c978620fd30080316ebc8f2ef82c86e0bebc3b827b6237ff4deeaee5779b908ff1ad0b90b8695d182474a03d1984f08c92b368b18435148b56d7d91d38a0a

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

      suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

    • Vidar 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