Overview

overview

10

Static

static

3

f6d403ce67...18.exe

windows7-x64

10

f6d403ce67...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f6d403ce6749d1b09bb033e89679f9d0_JaffaCakes118

  • Size

    702KB

  • Sample

    240925-zkme2azerh

  • MD5

    f6d403ce6749d1b09bb033e89679f9d0

  • SHA1

    cde64e7900244ac644754a0ad7adc2acf381db81

  • SHA256

    9fc2fc1e5d5030f32a56aab3a6280a2d84736610587b43d06da457eb18758ca5

  • SHA512

    6825e8689867a30655554355fd59e704a8a30b399498907ced0903948e7c47ad942c489fbb5110caefc7827a3f9dfa01e2f378d086774a3891e2f00aa1f50983

  • SSDEEP

    12288:RzRSTkfnSSpug3M6KeHkZN2g9T9m5Z5tgUNIqfYDPkS9rKp9XUaMjbcmHa868:fSw/oO4Qg9wthYDPkGaMjrHa86

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .npph

  • offline_id

    I6hXMDXkHGafsmFBIn2oJ0Y07Q3ZWPy43JWTINt1

  • 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-67ue5AWKVu 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: 0251riuyfgh

rsa_pubkey.plain

Targets

    • Target

      f6d403ce6749d1b09bb033e89679f9d0_JaffaCakes118

    • Size

      702KB

    • MD5

      f6d403ce6749d1b09bb033e89679f9d0

    • SHA1

      cde64e7900244ac644754a0ad7adc2acf381db81

    • SHA256

      9fc2fc1e5d5030f32a56aab3a6280a2d84736610587b43d06da457eb18758ca5

    • SHA512

      6825e8689867a30655554355fd59e704a8a30b399498907ced0903948e7c47ad942c489fbb5110caefc7827a3f9dfa01e2f378d086774a3891e2f00aa1f50983

    • SSDEEP

      12288:RzRSTkfnSSpug3M6KeHkZN2g9T9m5Z5tgUNIqfYDPkS9rKp9XUaMjbcmHa868:fSw/oO4Qg9wthYDPkGaMjrHa86

    Score
    10/10
    djvudiscoverypersistenceransomware

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • Renames multiple (168) 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