General

  • Target

    74660e011065ca6216f408d59cadf33e

  • Size

    723KB

  • Sample

    240125-l1f2asddb9

  • MD5

    74660e011065ca6216f408d59cadf33e

  • SHA1

    0ad378f1f469f5c57a1516aa05139eee4bda5e8e

  • SHA256

    de8f146808af12f7a609b39c56cf46d9d204ef2e717ff5b83422b7d7deb34739

  • SHA512

    1cd8adc191f35d905cbd5e28806d578203501530e58d6fbc21bbb321cd23f2a77931ec055e80b17445a7c0470c77353d659f9e1c116d4fddeb45d7f06f81f218

  • SSDEEP

    12288:Mr4xyEQyHNzX/d9kyUS9jyyMTvhHrxoMve/LWV3qgH7DJdmtfpec:Mr4x3HB1P0/ejS37bDJdm1p

Malware Config

Extracted

Family

djvu

C2

http://astdg.top/fhsgtsspen6/get.php

Attributes
  • extension

    .orkf

  • offline_id

    4aBXQVNZ4BhjpMjt78QLIFtBSJPbgbflYLHrBut1

  • payload_url

    http://securebiz.org/dl/build2.exe

    http://astdg.top/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-ykQaS2tRyB 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: 0328gDrgo

rsa_pubkey.plain

Targets

    • Target

      74660e011065ca6216f408d59cadf33e

    • Size

      723KB

    • MD5

      74660e011065ca6216f408d59cadf33e

    • SHA1

      0ad378f1f469f5c57a1516aa05139eee4bda5e8e

    • SHA256

      de8f146808af12f7a609b39c56cf46d9d204ef2e717ff5b83422b7d7deb34739

    • SHA512

      1cd8adc191f35d905cbd5e28806d578203501530e58d6fbc21bbb321cd23f2a77931ec055e80b17445a7c0470c77353d659f9e1c116d4fddeb45d7f06f81f218

    • SSDEEP

      12288:Mr4xyEQyHNzX/d9kyUS9jyyMTvhHrxoMve/LWV3qgH7DJdmtfpec:Mr4x3HB1P0/ejS37bDJdm1p

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Renames multiple (196) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Checks computer location settings

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

    • Executes dropped EXE

    • 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 Enterprise v15

Tasks