General

  • Target

    7e4afc219f48d74e2c10fb48aae2241495931ae38f7eed8ebc3a4d98d983f38d

  • Size

    742KB

  • Sample

    221224-sdsvxadc81

  • MD5

    cf57116869243d9b7e0d33fdff8cdb4e

  • SHA1

    acc7a5670be1aa69ea50a1923835b9168ba1de57

  • SHA256

    7e4afc219f48d74e2c10fb48aae2241495931ae38f7eed8ebc3a4d98d983f38d

  • SHA512

    9ef0ea898377f9c4aec27faf54c01f999cb65a4ee1bb4ee5802a3ccdeac0ac5b6ca72473c924f02cb9e2fe0fabc89f72e5581f48d306e2106a43b7dd17e177b3

  • SSDEEP

    12288:lxWPY9WcxgSQsJde2gjdT2nNWORnXtniNR9V7CfR++NYCDZ5sS8eeSS1:rYY9W8tddeDMNWGpi39VCE+FZ5s1eU1

Malware Config

Extracted

Family

djvu

C2

http://ex3mall.com/test1/get.php

Attributes
  • extension

    .isal

  • offline_id

    m3KmScxfDyEQzJYP8qjOSfP4FvpsOXlekGuMPzt1

  • payload_url

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

    http://ex3mall.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-oWam3yYrSr 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: 0620JOsie

rsa_pubkey.plain

Targets

    • Target

      7e4afc219f48d74e2c10fb48aae2241495931ae38f7eed8ebc3a4d98d983f38d

    • Size

      742KB

    • MD5

      cf57116869243d9b7e0d33fdff8cdb4e

    • SHA1

      acc7a5670be1aa69ea50a1923835b9168ba1de57

    • SHA256

      7e4afc219f48d74e2c10fb48aae2241495931ae38f7eed8ebc3a4d98d983f38d

    • SHA512

      9ef0ea898377f9c4aec27faf54c01f999cb65a4ee1bb4ee5802a3ccdeac0ac5b6ca72473c924f02cb9e2fe0fabc89f72e5581f48d306e2106a43b7dd17e177b3

    • SSDEEP

      12288:lxWPY9WcxgSQsJde2gjdT2nNWORnXtniNR9V7CfR++NYCDZ5sS8eeSS1:rYY9W8tddeDMNWGpi39VCE+FZ5s1eU1

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • 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