General

  • Target

    49174cebc58f2736284ba84bd5068f47ce9a53ed87eb7d0c46802fa59406f20c

  • Size

    301KB

  • Sample

    230106-ytkgcsbf55

  • MD5

    88ee3c44e11f592483faf85513b736b5

  • SHA1

    2cf5fed34e794ce247409e9a147e99196ed79244

  • SHA256

    49174cebc58f2736284ba84bd5068f47ce9a53ed87eb7d0c46802fa59406f20c

  • SHA512

    50e5cc8951655c7120e12f5aeabd8f3edf28d53e072d3f6c1f2d408c69bc2504a079dbff6dc8bc31ffbd60a85d3ea67940213cecfe39ba780ef786661683617b

  • SSDEEP

    3072:rXHXVULPK2/up5notCHMCYEVzGrzNGiWNC9IXfWHgq4GMmt0BF:rnVULPl/uEUNVzGrzNGigf+iGz0B

Malware Config

Extracted

Family

djvu

C2

http://spaceris.com/lancer/get.php

Attributes
  • extension

    .bpto

  • offline_id

    pu5TgkFNAS5fWQ2rCzdamsmMrE5wSlTupdTI0pt1

  • payload_url

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

    http://spaceris.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-rmxjMZAZBJ 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: 0628JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

1.8

Botnet

19

C2

https://t.me/year2023start

https://steamcommunity.com/profiles/76561199467421923

Attributes
  • profile_id

    19

Targets

    • Target

      49174cebc58f2736284ba84bd5068f47ce9a53ed87eb7d0c46802fa59406f20c

    • Size

      301KB

    • MD5

      88ee3c44e11f592483faf85513b736b5

    • SHA1

      2cf5fed34e794ce247409e9a147e99196ed79244

    • SHA256

      49174cebc58f2736284ba84bd5068f47ce9a53ed87eb7d0c46802fa59406f20c

    • SHA512

      50e5cc8951655c7120e12f5aeabd8f3edf28d53e072d3f6c1f2d408c69bc2504a079dbff6dc8bc31ffbd60a85d3ea67940213cecfe39ba780ef786661683617b

    • SSDEEP

      3072:rXHXVULPK2/up5notCHMCYEVzGrzNGiWNC9IXfWHgq4GMmt0BF:rnVULPl/uEUNVzGrzNGigf+iGz0B

    • Detected Djvu ransomware

    • Detects Smokeloader packer

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • 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