General

  • Target

    355338b9423c3bd829a829125079c3a7584ab8bd140dd9cd8f5c84e77de65a7f

  • Size

    944KB

  • Sample

    240531-lgbmgade2z

  • MD5

    3a7ed0fbf6bb933abf21e61767ac1f18

  • SHA1

    ffb180962560e458b293de59243fde3eaf5511d2

  • SHA256

    355338b9423c3bd829a829125079c3a7584ab8bd140dd9cd8f5c84e77de65a7f

  • SHA512

    82017b58b29afb4968afe0d0da4d772a4c9e8d1400407e7d21438f26814e8ab6c53a7421aa6bee3b5793ec5a4918dab6167bf116f5d1b28f82af897b3bee9119

  • SSDEEP

    12288:wp7mLtWbFAfciMGK6GxAvTqJwYlCTK+QKPhiH2WE1Tjo6ZCEye0UMJiAnXHFJ35x:wp7mLtWRuGCMwYlv+QKT+KGi2vOXQL5

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .yyza

  • offline_id

    UcKp2U8xIAuhirf1rVzlXed6KBYXf0O1WXF2njt1

  • payload_url

    http://colisumy.com/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-xZJtZ8PDb2 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: 0758JOsie

rsa_pubkey.plain

Targets

    • Target

      355338b9423c3bd829a829125079c3a7584ab8bd140dd9cd8f5c84e77de65a7f

    • Size

      944KB

    • MD5

      3a7ed0fbf6bb933abf21e61767ac1f18

    • SHA1

      ffb180962560e458b293de59243fde3eaf5511d2

    • SHA256

      355338b9423c3bd829a829125079c3a7584ab8bd140dd9cd8f5c84e77de65a7f

    • SHA512

      82017b58b29afb4968afe0d0da4d772a4c9e8d1400407e7d21438f26814e8ab6c53a7421aa6bee3b5793ec5a4918dab6167bf116f5d1b28f82af897b3bee9119

    • SSDEEP

      12288:wp7mLtWbFAfciMGK6GxAvTqJwYlCTK+QKPhiH2WE1Tjo6ZCEye0UMJiAnXHFJ35x:wp7mLtWRuGCMwYlv+QKT+KGi2vOXQL5

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Modifies file permissions

    • Adds Run key to start application

    • 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 Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

File and Directory Permissions Modification

1
T1222

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Tasks