General

  • Target

    2024-06-02_4025241aa35f544c34e1f79cff7f5a3d_stop

  • Size

    1.1MB

  • Sample

    240602-p29xjsdf66

  • MD5

    4025241aa35f544c34e1f79cff7f5a3d

  • SHA1

    d064744c4d522406908aaee40d87d9fda54b6339

  • SHA256

    9660a3b6f287bacbe76f7d4208fbd48e7be4b303e7d4c398b9826912668a5cd6

  • SHA512

    7a74c18e2377bf628b85e2b530ed62825a52193f33e458ebe90116cb210631fa4f1ba4f1809b5bb4c0573bdb66970137182ca8a095cff6712c65cb169363e329

  • SSDEEP

    24576:ZBUIKn/vwOXGUXAjCymYZiVtElVIBT2roqnTSSxWeT/dRPOO83WQHUq7:F0dwAYZt6C31WeTVRPOh37Uq7

Malware Config

Extracted

Family

djvu

C2

http://cajgtus.com/test2/get.php

Attributes
  • extension

    .qehu

  • offline_id

    jgILOjDrBgyzY4JmT3B2jDSyBmDPBruKk8bKs6t1

  • payload_url

    http://sdfjhuz.com/dl/build2.exe

    http://cajgtus.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. Do not ask assistants from youtube and recovery data sites for help in recovering your data. They can use your free decryption quota and scam you. Our contact is emails in this text document only. You can get and look video overview decrypt tool: https://wetransfer.com/downloads/665ddae3fc3cd10bbaaa4350408b196920240504141005/4cae7e Price of private key and decrypt software is $999. Discount 50% available if you contact us first 72 hours, that's price for you is $499. 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: 0868PsawqS

rsa_pubkey.plain

Targets

    • Target

      2024-06-02_4025241aa35f544c34e1f79cff7f5a3d_stop

    • Size

      1.1MB

    • MD5

      4025241aa35f544c34e1f79cff7f5a3d

    • SHA1

      d064744c4d522406908aaee40d87d9fda54b6339

    • SHA256

      9660a3b6f287bacbe76f7d4208fbd48e7be4b303e7d4c398b9826912668a5cd6

    • SHA512

      7a74c18e2377bf628b85e2b530ed62825a52193f33e458ebe90116cb210631fa4f1ba4f1809b5bb4c0573bdb66970137182ca8a095cff6712c65cb169363e329

    • SSDEEP

      24576:ZBUIKn/vwOXGUXAjCymYZiVtElVIBT2roqnTSSxWeT/dRPOO83WQHUq7:F0dwAYZt6C31WeTVRPOh37Uq7

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Checks computer location settings

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

    • 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.

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

Query Registry

1
T1012

System Information Discovery

2
T1082

Tasks