Overview

overview

10

Static

static

3

2e81b603cd...44.exe

windows7-x64

10

2e81b603cd...44.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_1a43d29d52aa8625e8e781d63ff2835ad46801fb30c329d2538a22fc027caa70

  • Size

    677KB

  • Sample

    241226-3pahtavnfs

  • MD5

    7b65f60abe9ec80eebf44024d5017557

  • SHA1

    0bb7314a118b9d19fea81313027c58a040e7bac6

  • SHA256

    1a43d29d52aa8625e8e781d63ff2835ad46801fb30c329d2538a22fc027caa70

  • SHA512

    8cb732e7fde506f597b987664c6cd50c6b59ec206d15a88726b61bcd22a3bca7793e307e414ac0416525ae4efe60f21c9f0b1be2135941b31861d4d8cfbe22c5

  • SSDEEP

    12288:REL2kkTaq1VdNV92tuwLXeNFsfosoE2TVB/EzoZA6v9ASneZ1cEwBLFSCd:Y2kqFdN/2QwL2uoVEIV+EZn5u1St

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .vvew

  • offline_id

    rE5LpDv2ftYRXAo7bC18EpzfRMTHSGjgfyIMfZt1

  • payload_url

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

    http://acacaca.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-QsoSRIeAK6 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: 0530Jhyjd

rsa_pubkey.plain

Targets

    • Target

      2e81b603cd8b8fd733319bfdbf341920bd678d4b84c474db80d5f69a7608ea44

    • Size

      815KB

    • MD5

      efe32de4c5ecc8d1e6a3a19f8a34f61c

    • SHA1

      f28dad37fce7f28ded97e28b89cdf28d4313e47d

    • SHA256

      2e81b603cd8b8fd733319bfdbf341920bd678d4b84c474db80d5f69a7608ea44

    • SHA512

      770cd0524121df290a199b7f44d4fcc82801cae7fa7ec644a10e3f9713122b71af4372b87b59f6dc8852439c70a2d075df2a9bc25185fefe334218d2157b9c88

    • SSDEEP

      12288:MViuhuDax9n+FUgaqzDdNV96tqwLxeNFs9osoEITVB9E5oHA6vXASn8ZxcEwBc:ZD8sjxdN/6AwLomoVEyVEGHn3Ux

    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