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General

  • Target

    c2c1ddff00178c09e0c8f3f1b2a4cd2adacc7ebb6854977f0c881eb9747297b1

  • Size

    794KB

  • Sample

    230203-j97jhadb49

  • MD5

    94299ea2cfd6cf8acc8a8c8d7edc7ada

  • SHA1

    4f320731b2dbb2539363f008408c04a26c81a3c1

  • SHA256

    c2c1ddff00178c09e0c8f3f1b2a4cd2adacc7ebb6854977f0c881eb9747297b1

  • SHA512

    32c16e8fddae30b66902c39b4f657592f24a8e419db0ecdd4cc52a2184f06c6872cf567f1a833b7724f6b3f51f50b5f5e3bfdf3ca50aa0a3d708b0d5a056f56e

  • SSDEEP

    12288:hT3vXG2YzOO+1a49Ba054sb4qUjl2kELVSs42ANDvp3FP6OjP4P1Oyh:hju2DOma4PakkEF42ANVV6OjP49T

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .erqw

  • offline_id

    xVB7l5LcUtDGyghMgGsTvebrKc0RGgDXlN1BoKt1

  • payload_url

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

    http://drampik.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-8pCGyFnOj6 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: 0639JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

2.3

Botnet

19

C2

https://t.me/mantarlars

https://steamcommunity.com/profiles/76561199474840123

Attributes
  • profile_id

    19

Targets

    • Target

      c2c1ddff00178c09e0c8f3f1b2a4cd2adacc7ebb6854977f0c881eb9747297b1

    • Size

      794KB

    • MD5

      94299ea2cfd6cf8acc8a8c8d7edc7ada

    • SHA1

      4f320731b2dbb2539363f008408c04a26c81a3c1

    • SHA256

      c2c1ddff00178c09e0c8f3f1b2a4cd2adacc7ebb6854977f0c881eb9747297b1

    • SHA512

      32c16e8fddae30b66902c39b4f657592f24a8e419db0ecdd4cc52a2184f06c6872cf567f1a833b7724f6b3f51f50b5f5e3bfdf3ca50aa0a3d708b0d5a056f56e

    • SSDEEP

      12288:hT3vXG2YzOO+1a49Ba054sb4qUjl2kELVSs42ANDvp3FP6OjP4P1Oyh:hju2DOma4PakkEF42ANVV6OjP49T

    • 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

    • 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