General

  • Target

    41fe1b586b524a8b8f5d71870d1d62f7708d2cf0337a3f323be57f4d9dd55d1d

  • Size

    782KB

  • Sample

    230108-ppb5rade76

  • MD5

    33fae7a1f15a6b60228f78fdb37c9f9b

  • SHA1

    28f52e64af3c5300793beb2e94d28e9322faf5c3

  • SHA256

    41fe1b586b524a8b8f5d71870d1d62f7708d2cf0337a3f323be57f4d9dd55d1d

  • SHA512

    e1142790686f263240d1de923f409d0cd4aeee41ba23156e05eac3c84897e87cc22680e0fd4990e19113eb232fec78e267a3401ede46b78ab731ecb6b9a590dd

  • SSDEEP

    24576:GVnyPAq5Q02Z480DGGZRsNUlYmScUZBJ:GdoAB0G4vDVRX6RZP

Malware Config

Extracted

Family

djvu

C2

http://spaceris.com/test1/get.php

Attributes
  • extension

    .bpsm

  • 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: 0626JOsie

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

      41fe1b586b524a8b8f5d71870d1d62f7708d2cf0337a3f323be57f4d9dd55d1d

    • Size

      782KB

    • MD5

      33fae7a1f15a6b60228f78fdb37c9f9b

    • SHA1

      28f52e64af3c5300793beb2e94d28e9322faf5c3

    • SHA256

      41fe1b586b524a8b8f5d71870d1d62f7708d2cf0337a3f323be57f4d9dd55d1d

    • SHA512

      e1142790686f263240d1de923f409d0cd4aeee41ba23156e05eac3c84897e87cc22680e0fd4990e19113eb232fec78e267a3401ede46b78ab731ecb6b9a590dd

    • SSDEEP

      24576:GVnyPAq5Q02Z480DGGZRsNUlYmScUZBJ:GdoAB0G4vDVRX6RZP

    • 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

    • 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