Overview

overview

10

Static

static

3

ff4b1284cf...3e.exe

windows7-x64

10

ff4b1284cf...3e.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_93dfdf05a0729f9ef8f7088a4f5d273f9ca4895ae46c842b2a702e856a60007c

  • Size

    659KB

  • Sample

    241226-w2nsmsvjgp

  • MD5

    5198a8218fdd751517aba8a2bd4e69a0

  • SHA1

    56dd91eb5a77cdb2f8aeb0ea90ffab931feebbee

  • SHA256

    93dfdf05a0729f9ef8f7088a4f5d273f9ca4895ae46c842b2a702e856a60007c

  • SHA512

    c289ac243137f63621ab8251870d70c82191c4618883a75a12a1aa3a16efa76120917c84c3ee2eea12151596e97cc68a6bc36d9b8b58c2028007405892942f63

  • SSDEEP

    12288:zaqjq7O8dQal9Bk818+Oqn44pp/sr+AjAC7srNXKzv96:njVatkGwKL7srjji496

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .ghas

  • offline_id

    miqhSGmGE63yWs53FTz0fnp8eCARpnaYE3O3p2t1

  • 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-0SLhZxAjRX 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: 0445JIjdm

rsa_pubkey.plain

Targets

    • Target

      ff4b1284cfa22d2976995bb3fad9e5ed036d3b0d777bc99d6205fade201a7f3e

    • Size

      762KB

    • MD5

      a0dbbf3c7bbec9c0533adf99bfba6a5e

    • SHA1

      148210866871762aca2936f7d79d2729bc821bb4

    • SHA256

      ff4b1284cfa22d2976995bb3fad9e5ed036d3b0d777bc99d6205fade201a7f3e

    • SHA512

      ef7f559fd32f4383429f42cd11e4c03bdb7735dd0f216075b0a096f9c40349d51d2a05bba39361d03f774a65956678996623569e29d184d8c68ade4c5f278bec

    • SSDEEP

      12288:FLx3jQiMDN17Mxvx7w8dCIl9DG8/8+OGn42pp/srMAjGC7sLbX+zB9L:dOiGVPIHGCweJ7srhRYw

    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