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Overview

overview

10

Static

static

3

8a11f4d34a...45.exe

windows7-x64

10

8a11f4d34a...45.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    8a11f4d34a4ba7afea677810458e7aa6d31983f4dcd20d5eb5cff0c48f192145

  • Size

    767KB

  • Sample

    231011-nts4dscf3z

  • MD5

    ba46ae626df58081d056cda82d2673c6

  • SHA1

    8c1c5e42666e0eaebbcd25f267252fe0256669f8

  • SHA256

    8a11f4d34a4ba7afea677810458e7aa6d31983f4dcd20d5eb5cff0c48f192145

  • SHA512

    0065bd971f8f356a9d1c82d1ac75678323952dd4e25ea2ce046d4eaf1bcc3a7dca747170ff21d6d42b6cb939c9001283c8eb783c11e553d86dbbf0d00859bb00

  • SSDEEP

    12288:pBGp4OBr2ASjaGFi8XBaXq38AInxP2pEDZkHZu/WnTCzweGgOjTi9YLINsADQ75t:pB8BWUXqsb52pEDZ06Wno0gOvVZ75

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

http://zexeq.com/raud/get.php

Attributes
  • extension

    .mzhi

  • offline_id

    64GZgS7xxeK837qu1w0KPUK0sweaDoAeJlv15vt1

  • payload_url

    http://colisumy.com/dl/build2.exe

    http://zexeq.com/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-sxZWJ43EKx 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: 0797JOsie

rsa_pubkey.plain

Targets

    • Target

      8a11f4d34a4ba7afea677810458e7aa6d31983f4dcd20d5eb5cff0c48f192145

    • Size

      767KB

    • MD5

      ba46ae626df58081d056cda82d2673c6

    • SHA1

      8c1c5e42666e0eaebbcd25f267252fe0256669f8

    • SHA256

      8a11f4d34a4ba7afea677810458e7aa6d31983f4dcd20d5eb5cff0c48f192145

    • SHA512

      0065bd971f8f356a9d1c82d1ac75678323952dd4e25ea2ce046d4eaf1bcc3a7dca747170ff21d6d42b6cb939c9001283c8eb783c11e553d86dbbf0d00859bb00

    • SSDEEP

      12288:pBGp4OBr2ASjaGFi8XBaXq38AInxP2pEDZkHZu/WnTCzweGgOjTi9YLINsADQ75t:pB8BWUXqsb52pEDZ06Wno0gOvVZ75

    Score
    10/10
    djvudiscoverypersistenceransomware

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • Downloads MZ/PE file

    • 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