Overview

overview

10

Static

static

3

180e2b2f71...31.exe

windows7-x64

10

180e2b2f71...31.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    180e2b2f71e67f5adc9cb8f36f3dfa31.exe

  • Size

    754KB

  • Sample

    240319-hkab2ade7z

  • MD5

    180e2b2f71e67f5adc9cb8f36f3dfa31

  • SHA1

    719f39ebafc712d9f5e70483e88a94a88e4cd70c

  • SHA256

    bf586230320fd2bb84f1173e01abbe304392579b55e1f321ce5f60fec7087f14

  • SHA512

    d546df5da63c42b3b38641dd24fa54c57e49866a11b80329ea177225c9d3475f919f2c866a773bae0d9a54f33ecc4a9152be27ea0babc8d972447f5f3ead6cf4

  • SSDEEP

    12288:CST5ud6X5jcadzHY3IATiMMAMhhckbEqS9ydqhiuSYmNhblzmgmj33zhn:FKCjvUslbES4iuE/lnmLNn

Score
10/10
djvuvidar95002d0a9d65ffced363a8f35f42a529discoverypersistenceransomwarestealer

Malware Config

Extracted

Family

djvu

C2

http://sajdfue.com/test2/get.php

Attributes
  • extension

    .looy

  • offline_id

    1eSPzWRaNslCgtjBZfL5pzvovoiaVI4IZSnvAwt1

  • payload_url

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

    http://sajdfue.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. Do not ask assistants from youtube and recovery data sites for help in recovering your data. They can use your free decryption quota and scam you. Our contact is emails in this text document only. You can get and look video overview decrypt tool: https://wetransfer.com/downloads/3ed7a617738550b0a00c5aa231c0752020240316170955/d71ce1 Price of private key and decrypt software is $999. Discount 50% available if you contact us first 72 hours, that's price for you is $499. 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: 0858PsawqS

rsa_pubkey.plain

Extracted

Family

vidar

Version

8.4

Botnet

95002d0a9d65ffced363a8f35f42a529

C2

https://steamcommunity.com/profiles/76561199654112719

https://t.me/r2d0s
Attributes
  • profile_id_v2

    95002d0a9d65ffced363a8f35f42a529

  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:123.0) Gecko/20100101 Firefox/123.0

Targets

    • Target

      180e2b2f71e67f5adc9cb8f36f3dfa31.exe

    • Size

      754KB

    • MD5

      180e2b2f71e67f5adc9cb8f36f3dfa31

    • SHA1

      719f39ebafc712d9f5e70483e88a94a88e4cd70c

    • SHA256

      bf586230320fd2bb84f1173e01abbe304392579b55e1f321ce5f60fec7087f14

    • SHA512

      d546df5da63c42b3b38641dd24fa54c57e49866a11b80329ea177225c9d3475f919f2c866a773bae0d9a54f33ecc4a9152be27ea0babc8d972447f5f3ead6cf4

    • SSDEEP

      12288:CST5ud6X5jcadzHY3IATiMMAMhhckbEqS9ydqhiuSYmNhblzmgmj33zhn:FKCjvUslbES4iuE/lnmLNn

    Score
    10/10
    djvuvidar95002d0a9d65ffced363a8f35f42a529discoverypersistenceransomwarestealer

    • Detect Vidar Stealer

      stealer

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

      stealervidar

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • Adds Run key to start application

      persistence

    • 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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks