General

  • Target

    578b163be9eefbbcfc2b7b0207e70ec56762388dfa579f4c4fc7b6ed66f2044b

  • Size

    725KB

  • Sample

    220423-dwlf8aecck

  • MD5

    67b787432e89ac3d8fb13cbea08d7072

  • SHA1

    11e8bfa12e530a0dd0960d8a4c67222d43f336b0

  • SHA256

    578b163be9eefbbcfc2b7b0207e70ec56762388dfa579f4c4fc7b6ed66f2044b

  • SHA512

    4f4adcf23de08b4e9bc2e04caafe631e2cbb96054b6a51c363bed48d3e930b5802e6fabcbd286a54f87138bb214023eb53da5f3e947f7029198687284ff297eb

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

      578b163be9eefbbcfc2b7b0207e70ec56762388dfa579f4c4fc7b6ed66f2044b

    • Size

      725KB

    • MD5

      67b787432e89ac3d8fb13cbea08d7072

    • SHA1

      11e8bfa12e530a0dd0960d8a4c67222d43f336b0

    • SHA256

      578b163be9eefbbcfc2b7b0207e70ec56762388dfa579f4c4fc7b6ed66f2044b

    • SHA512

      4f4adcf23de08b4e9bc2e04caafe631e2cbb96054b6a51c363bed48d3e930b5802e6fabcbd286a54f87138bb214023eb53da5f3e947f7029198687284ff297eb

    • 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