Overview

overview

10

Static

static

3

3393b5185d...5a.exe

windows7-x64

10

3393b5185d...5a.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_1d0603bedae8c5e32396bc2742fb59ba28a7f54772c7dfd01b1ae6449c9fe7f8

  • Size

    669KB

  • Sample

    241229-22lwyazlcs

  • MD5

    c4f5ada2836d8448c83613a2163145ff

  • SHA1

    b19d889ed95ae02c797a04e258058cdc84c74c77

  • SHA256

    1d0603bedae8c5e32396bc2742fb59ba28a7f54772c7dfd01b1ae6449c9fe7f8

  • SHA512

    9153f5323a77cdee26085296fc14fab02f5f4ffca48fe95c6d93cf9ef9250405f15cfe8fb74aefd4ada624df542950075db7d7b4a8d8d593d4e4027b6389447a

  • SSDEEP

    12288:Z6mAg4pwiq3vy4pWkS2aWBQma99q6//eez7uf60t56DjRf2XinoVJl0I:wS4pwFHwp25Qr/qweMRM56Rf2X6I1

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

      3393b5185daebc1025eafb230c74cfef1a1329fcc61a6551bcc90f2fedf6275a

    • Size

      783KB

    • MD5

      4a2cc8fa0a14caf3fd88dd5229ef6d5c

    • SHA1

      9158aa497f499db848b53dbab15c86b981a666b6

    • SHA256

      3393b5185daebc1025eafb230c74cfef1a1329fcc61a6551bcc90f2fedf6275a

    • SHA512

      3327190894c4df451297c80ef85191e93e35216cd63f752e17f53ee927773138e02c56d67db27956390fffedac86388905baa33cfc8b039c12016a4d699f9e5f

    • SSDEEP

      24576:WvcX7DvcwvDYp2rQlNQwKKRMD6xf2X6sZ:LEwvDYp+QliQMDU2XVZ

    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