Overview

overview

10

Static

static

3

bd1789026d...9a.exe

windows7-x64

10

bd1789026d...9a.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_451d380bb89f747dfcb24e342766037643e38f0dfea566099f2361af51a555ad

  • Size

    660KB

  • Sample

    241228-25w63svmgn

  • MD5

    3600024eb5e95648763ba13190cf4a60

  • SHA1

    ab26a0e15f835831eda02e7ba9967bf3f83e4e23

  • SHA256

    451d380bb89f747dfcb24e342766037643e38f0dfea566099f2361af51a555ad

  • SHA512

    2bc52aab1f384639ebcc26decf08e6e478b4c412ac9196e0ad1145c44b52133b18b2b44b2a6c7efef86d99cb898a0ad4a385e56c4b541970683bdb077fa7acd1

  • SSDEEP

    12288:PgGBIVTYhF3ms3TJgJb0w3nxZJaQT5yeFxIFKPfyVnuKawUqyzd+EpVIQk:nwTQF3msjK3ncy5umfqu4S8EpQ

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

      bd1789026d6010f1849075e14a07f168349ac7e9bbe154358a0e96f0435e8d9a

    • Size

      793KB

    • MD5

      9fcdf0cfe8478a37bcf45a7ccd97da47

    • SHA1

      d164d00b0692b68574f12acde245f5e501b69628

    • SHA256

      bd1789026d6010f1849075e14a07f168349ac7e9bbe154358a0e96f0435e8d9a

    • SHA512

      9ed1ca3375634baa8f91700d4d6388423d61ad4cc274caca8a6a83d01051a54a1dae501534fb40eebca48b57511095eb5b95c5dfce90ea5ccfc248b6c85837b3

    • SSDEEP

      12288:VxyQdjSLkWghFdms3TVGJbkwPnxZJKQTZyeFxIlKPHy9XuKaw6qypd+sSuRMH:VIwSWFdmsjOPn8yZ8mHeu4u8sSuc

    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