Overview

overview

10

Static

static

d323c8c358...18.exe

windows7_x64

10

d323c8c358...18.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    d323c8c35817f7c9d6691ba07433a71816e18bb2ed7a7e468bc7c4536cf4db18

  • Size

    681KB

  • Sample

    220521-mt58aacdg9

  • MD5

    84174a142d30afe6075d57a1aead4d18

  • SHA1

    330dfeed26f3ac123aa182fd28751144ea9b097a

  • SHA256

    d323c8c35817f7c9d6691ba07433a71816e18bb2ed7a7e468bc7c4536cf4db18

  • SHA512

    f65c51eaf55b1ecbbb3a82f9bab0b5428f04727fbc7795679eb6c127847eb668259bf3fe406b35e6e36902b653d28c33449caec882677b24f95daab7e44f9866

Score
10/10
djvudiscoverypersistenceransomwaresuricata

Malware Config

Extracted

Family

djvu

C2

http://cjto.top/nddddhsspen6/get.php

Attributes
  • extension

    .geno

  • offline_id

    Gq9C3wfB3EovXBFkGxv1b5wkUKUxVy1x63fasTt1

  • payload_url

    http://cjto.top/files/penelop/updatewin1.exe

    http://cjto.top/files/penelop/updatewin2.exe

    http://cjto.top/files/penelop/updatewin.exe

    http://cjto.top/files/penelop/3.exe

    http://cjto.top/files/penelop/4.exe

    http://cjto.top/files/penelop/5.exe

  • ransomnote

    ATTENTION! Don't worry, you can return all your files! All your files like photos, 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-ZLZ4pVnuS4 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: helpmanager@mail.ch Reserve e-mail address to contact us: restoremanager@airmail.cc Your personal ID: 0248Oowhu34

rsa_pubkey.plain

Targets

    • Target

      d323c8c35817f7c9d6691ba07433a71816e18bb2ed7a7e468bc7c4536cf4db18

    • Size

      681KB

    • MD5

      84174a142d30afe6075d57a1aead4d18

    • SHA1

      330dfeed26f3ac123aa182fd28751144ea9b097a

    • SHA256

      d323c8c35817f7c9d6691ba07433a71816e18bb2ed7a7e468bc7c4536cf4db18

    • SHA512

      f65c51eaf55b1ecbbb3a82f9bab0b5428f04727fbc7795679eb6c127847eb668259bf3fe406b35e6e36902b653d28c33449caec882677b24f95daab7e44f9866

    Score
    10/10
    djvudiscoverypersistenceransomwaresuricata

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • suricata: ET MALWARE APT-C-23 Activity (GET)

      suricata: ET MALWARE APT-C-23 Activity (GET)

      suricata

    • suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

      suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

      suricata

    • suricata: ET MALWARE Win32/Filecoder.STOP Variant Request for Public Key

      suricata: ET MALWARE Win32/Filecoder.STOP Variant Request for Public Key

      suricata

    • suricata: ET MALWARE Win32/Vodkagats Loader Requesting Payload

      suricata: ET MALWARE Win32/Vodkagats Loader Requesting Payload

      suricata

    • Checks computer location settings

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

    • Modifies file permissions

      discovery

    • Adds Run key to start application

      persistence

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

File Permissions Modification

1
T1222

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks