General

  • Target

    dc9597ed52d574d8561d82649e613b5ebe3f42fb18938719baf121b6b515e8d9

  • Size

    953KB

  • Sample

    240531-lga1yaeb58

  • MD5

    185f3d05ce791856da75b6fb806a16cd

  • SHA1

    84949cb02103f3895991351e5b7d319a85eaff97

  • SHA256

    dc9597ed52d574d8561d82649e613b5ebe3f42fb18938719baf121b6b515e8d9

  • SHA512

    78ecec4983d368cbfeb2843b08b9954e5933f213c17e0b4c0ef02d864f35a56ef752a9bd433c3d95b59688436a858de0a771bb85c354978c0e13762454ce35df

  • SSDEEP

    24576:3e6VBmJ3uZWSxdWqLqaBdwL/ubDCwGS/M:3JVs8ZHxdTvdU/CD5G

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .lkhy

  • offline_id

    OxV6DGl22io8sqMOW1zCCOlzPiv4f1Vqzw7Y8zt1

  • payload_url

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

    http://habrafa.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://we.tl/t-uNdL2KHHdy 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: 0851ASdw

rsa_pubkey.plain

Targets

    • Target

      dc9597ed52d574d8561d82649e613b5ebe3f42fb18938719baf121b6b515e8d9

    • Size

      953KB

    • MD5

      185f3d05ce791856da75b6fb806a16cd

    • SHA1

      84949cb02103f3895991351e5b7d319a85eaff97

    • SHA256

      dc9597ed52d574d8561d82649e613b5ebe3f42fb18938719baf121b6b515e8d9

    • SHA512

      78ecec4983d368cbfeb2843b08b9954e5933f213c17e0b4c0ef02d864f35a56ef752a9bd433c3d95b59688436a858de0a771bb85c354978c0e13762454ce35df

    • SSDEEP

      24576:3e6VBmJ3uZWSxdWqLqaBdwL/ubDCwGS/M:3JVs8ZHxdTvdU/CD5G

    • 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