Overview

overview

10

Static

static

3

299a64d47d...d0.exe

windows7-x64

10

299a64d47d...d0.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_43684bb4a9de7f90f1faab9fd2183891eb8a3a4ee635fd9a72995abae47b90fa

  • Size

    677KB

  • Sample

    241229-kwmgvaxqbj

  • MD5

    acabc7ffad1d8128582613418976c0cb

  • SHA1

    864e6877a76543e1a5e0ad561bd053a3b1a1c4a4

  • SHA256

    43684bb4a9de7f90f1faab9fd2183891eb8a3a4ee635fd9a72995abae47b90fa

  • SHA512

    6ee15918a92f5990f864e43dd29c130ab67d2851f2721adb11f1ae025f207a3b2cca4e9fe9e43d623ac0123a12bd4d96a486454372fcf95f680ed8a413c2adbe

  • SSDEEP

    12288:X7CybTT1JyeNvup0t6X9UrXedoxFwAe5g41IcLHtJPh2ZVhhOnYtuE1urwU3Wrth:X7CCJEeNv6ee9UhuVg4ecLNH2ZQYtuYp

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

      299a64d47dbc636d81fc76f4c6837c5c0faf4e0a8aa8460dfb8877c2d7fa41d0

    • Size

      814KB

    • MD5

      8db858c113bf9da58fa9a7524c7023e9

    • SHA1

      d2a8dad63d4c66d3ac446c64f7c682584ab8b069

    • SHA256

      299a64d47dbc636d81fc76f4c6837c5c0faf4e0a8aa8460dfb8877c2d7fa41d0

    • SHA512

      6336cd7afa29d5b8e36fb2279af3aa3e2da9f657a1769bf7dc6b6d60cff2e785f092fba3434af39abffe45cb9215bf7b852ced79d612f53c1b819f037042606f

    • SSDEEP

      24576:QEDLISgyeNv0em9UBCV44ecLfN2LiktuUcrwwN:QQeaeE44BULikBi3

    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