Overview

overview

10

Static

static

3

JaffaCakes...fd.exe

windows7-x64

10

JaffaCakes...fd.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_a10cc8509d06c6504961f45c9d4b8da4ccf8bca637b9cbfb5052f4b52b77aafd

  • Size

    785KB

  • Sample

    241230-vzddfs1lcn

  • MD5

    b9377405617bcba791fc4a4c34990fcf

  • SHA1

    719f737d9922bb1e1cf2e4563b72c59cf0c4ea81

  • SHA256

    a10cc8509d06c6504961f45c9d4b8da4ccf8bca637b9cbfb5052f4b52b77aafd

  • SHA512

    898b5b5e29407e7bad826037ca38e245d229d2cef6a6955a777ee8c812db310f675d2c07c6730d4947ae83db6ffc7631bed4280092e6f2e0b7b2c6d71a17a7fb

  • SSDEEP

    12288:BmqGAFtV8bp8rZ2Q2/bI0xI0R67cuHO6q/sH8XGn1YbtiVJGB052HWi:UcFtCbp8YQ2/EU//uHQscXOq1B052n

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

http://fuyt.org/test1/get.php

Attributes
  • extension

    .udla

  • offline_id

    qwVQoIsE2xLety0oNWloOilSDuIBXJGK86LM3ot1

  • payload_url

    http://zerit.top/dl/build2.exe

    http://fuyt.org/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-fnn5kv33Vv 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: 0435JIjdm

rsa_pubkey.plain

Targets

    • Target

      JaffaCakes118_a10cc8509d06c6504961f45c9d4b8da4ccf8bca637b9cbfb5052f4b52b77aafd

    • Size

      785KB

    • MD5

      b9377405617bcba791fc4a4c34990fcf

    • SHA1

      719f737d9922bb1e1cf2e4563b72c59cf0c4ea81

    • SHA256

      a10cc8509d06c6504961f45c9d4b8da4ccf8bca637b9cbfb5052f4b52b77aafd

    • SHA512

      898b5b5e29407e7bad826037ca38e245d229d2cef6a6955a777ee8c812db310f675d2c07c6730d4947ae83db6ffc7631bed4280092e6f2e0b7b2c6d71a17a7fb

    • SSDEEP

      12288:BmqGAFtV8bp8rZ2Q2/bI0xI0R67cuHO6q/sH8XGn1YbtiVJGB052HWi:UcFtCbp8YQ2/EU//uHQscXOq1B052n

    Score
    10/10
    djvudiscoverypersistenceransomware

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • Djvu family

      djvu

    • Checks computer location settings

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

    • 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.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks