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General

  • Target

    9fbd4ee9b7d9edb2c432e3f714efbc19fc4ff1b8d8275d0e8ec2e3f5d57520f9

  • Size

    715KB

  • Sample

    230303-ve2kjsae53

  • MD5

    1f1616df76db10c5a1013abf9641cc58

  • SHA1

    45cb0a4c643dd5f1361577140a0a47daed3c3bd1

  • SHA256

    9fbd4ee9b7d9edb2c432e3f714efbc19fc4ff1b8d8275d0e8ec2e3f5d57520f9

  • SHA512

    415d02ddb28dfb47e77d8fbbb6344568eef6e0def09f81a028ec9305e2253c36c0131a6dec805134869911727be621482635f7410167dff25d4a938e26808058

  • SSDEEP

    12288:HRIRk0VkeONAbPLEY987oGlcdPyWzHGh8ThiR62H/xCqP2xOg1Sgg/QimAj:xIRf4sPgY9kNlE6cHC89ikOx2x3Pg/Qh

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .gosw

  • offline_id

    zMrgM3QgNJsLARd9vs9a31qnKMjRqxjLT6s9OQt1

  • payload_url

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

    http://zexeq.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-rayImYlyWe 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: 0655Usjf

rsa_pubkey.plain

Targets

    • Target

      9fbd4ee9b7d9edb2c432e3f714efbc19fc4ff1b8d8275d0e8ec2e3f5d57520f9

    • Size

      715KB

    • MD5

      1f1616df76db10c5a1013abf9641cc58

    • SHA1

      45cb0a4c643dd5f1361577140a0a47daed3c3bd1

    • SHA256

      9fbd4ee9b7d9edb2c432e3f714efbc19fc4ff1b8d8275d0e8ec2e3f5d57520f9

    • SHA512

      415d02ddb28dfb47e77d8fbbb6344568eef6e0def09f81a028ec9305e2253c36c0131a6dec805134869911727be621482635f7410167dff25d4a938e26808058

    • SSDEEP

      12288:HRIRk0VkeONAbPLEY987oGlcdPyWzHGh8ThiR62H/xCqP2xOg1Sgg/QimAj:xIRf4sPgY9kNlE6cHC89ikOx2x3Pg/Qh

    • 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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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