General

  • Target

    b175e5b6f3ba67c64d85a05cb4957ff8db7d0a88dac9d6e10ce2c042bcdd067c

  • Size

    751KB

  • Sample

    220425-tanx8aceg6

  • MD5

    2b54e166365855b19c65aea63c697a77

  • SHA1

    ba0a7fca115ecccab597f939b9a2b252e469995e

  • SHA256

    b175e5b6f3ba67c64d85a05cb4957ff8db7d0a88dac9d6e10ce2c042bcdd067c

  • SHA512

    713855ef3fe6ccfa5d9fdf18aa6478ec44c77787f0c4d82d7a14bd3f6da5ecdc0305a4ae3ac9061ea546744ade0bd9879e0a443b822208163444eafe4a1b4207

Malware Config

Extracted

Family

djvu

C2

http://fuyt.org/test1/get.php

Attributes
  • extension

    .jhbg

  • offline_id

    u8l8S1WNPrtypqzE5TnCErdyo7HLDDCUTJi8Vbt1

  • 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://www.filemail.com/d/cckhkpsqjvnbjhf 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: 0460JIjdm

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

      b175e5b6f3ba67c64d85a05cb4957ff8db7d0a88dac9d6e10ce2c042bcdd067c

    • Size

      751KB

    • MD5

      2b54e166365855b19c65aea63c697a77

    • SHA1

      ba0a7fca115ecccab597f939b9a2b252e469995e

    • SHA256

      b175e5b6f3ba67c64d85a05cb4957ff8db7d0a88dac9d6e10ce2c042bcdd067c

    • SHA512

      713855ef3fe6ccfa5d9fdf18aa6478ec44c77787f0c4d82d7a14bd3f6da5ecdc0305a4ae3ac9061ea546744ade0bd9879e0a443b822208163444eafe4a1b4207

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar Stealer

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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