General

  • Target

    65ea6b27d5c0223105de8f753687f38e.bin

  • Size

    698KB

  • Sample

    240726-cbr8lasclh

  • MD5

    b015cb8e0cf58d14c9191947708ded65

  • SHA1

    c3d94c26def0503431d8f110082c10afa4a3cf73

  • SHA256

    34f65aae1fcbfe45b16c79bd2343a938e4bfa4ea6048ca4109d6de6a02d0473a

  • SHA512

    93b2d9def63d0ac86ee90c538b0340152d7fcc59fd84337fdc8569585b095c58dccf0b5881f7d827f7bdf373abf9d7e231138a0f882dac6814e62d44953a7601

  • SSDEEP

    12288:/ULJV14HAQcfzsvwhlOanXEZz1Rous285KCcPRHBdgyGvIN1O+D8fkweN8pmN:/oJsgrfzCwnOOWXokw2RhOnvIN15o1er

Malware Config

Extracted

Family

djvu

C2

http://fuyt.org/fhsgtsspen6/get.php

Attributes
  • extension

    .mmuz

  • offline_id

    dYUDKE4rrBmSPsf8srHMsyP40jle9uyxDDCfdxt1

  • 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-NdDG3HIUZp 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: 0428Jsfkjn

rsa_pubkey.plain

Targets

    • Target

      dcee34741b1210576a620d3e22d5945f1aea34f8d9940a0b9d098c7ebe0bd1d0.exe

    • Size

      833KB

    • MD5

      65ea6b27d5c0223105de8f753687f38e

    • SHA1

      66cdf62d3b8b97582acf28fa97eff4bb68d80866

    • SHA256

      dcee34741b1210576a620d3e22d5945f1aea34f8d9940a0b9d098c7ebe0bd1d0

    • SHA512

      ff92e8a878b5f0200e4ba42b5a98fb88a4b4ddb03fe88116eeb4e9d8a0df2711f4edd7b3e7e4ae8c5d1c9ef0fcdd590e21fee0d0e32a42d110ca2cf46db90dc3

    • SSDEEP

      24576:4lgpA7BAcIG9UDWk81NnMlgdNOS5rGJW9:exIG9rk81NOgd0S5qs9

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Adds Run key to start application

    • 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

MITRE ATT&CK Enterprise v15

Tasks