Overview

overview

10

Static

static

3

ea5f9e5a62...18.exe

windows7-x64

10

ea5f9e5a62...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ea5f9e5a6230afdf746ca66d73a562fe_JaffaCakes118

  • Size

    745KB

  • Sample

    240919-cavx4avdrk

  • MD5

    ea5f9e5a6230afdf746ca66d73a562fe

  • SHA1

    e87f7c58123d206c0b2d6bbff53a776672337624

  • SHA256

    f7416e3f009957168dba525532072bcdb53ef2e20e8f6891ac5ad5a16b5f16c2

  • SHA512

    f24dc06251bf035973737fee95bedb976ce0eaa0e671a02e364de5d5ea6584b00685aef1466dd1baebc4a74823ae69dc58f01a42a3b5015a02eab8066d61ccdc

  • SSDEEP

    12288:DHJwPR6R5RDcj4eS39FuYOQ3JqLpH2xGHFijTIvZaw1xionTG2X5L:DHGPoRbCS394BEg9WoIqz1tTtJ

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .ogdo

  • offline_id

    XIyyRCNH8lJ6pGHLNnQPCMfabY9p3AQCEQc3Lnt1

  • 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 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-SY0GqQtRAT 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: 0250riuyfgh

rsa_pubkey.plain

Targets

    • Target

      ea5f9e5a6230afdf746ca66d73a562fe_JaffaCakes118

    • Size

      745KB

    • MD5

      ea5f9e5a6230afdf746ca66d73a562fe

    • SHA1

      e87f7c58123d206c0b2d6bbff53a776672337624

    • SHA256

      f7416e3f009957168dba525532072bcdb53ef2e20e8f6891ac5ad5a16b5f16c2

    • SHA512

      f24dc06251bf035973737fee95bedb976ce0eaa0e671a02e364de5d5ea6584b00685aef1466dd1baebc4a74823ae69dc58f01a42a3b5015a02eab8066d61ccdc

    • SSDEEP

      12288:DHJwPR6R5RDcj4eS39FuYOQ3JqLpH2xGHFijTIvZaw1xionTG2X5L:DHGPoRbCS394BEg9WoIqz1tTtJ

    Score
    10/10
    djvudiscoverypersistenceransomware

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • Renames multiple (185) files with added filename extension

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

      ransomware

    • Checks computer location settings

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

    • Executes dropped EXE

    • 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 Enterprise v15

Tasks