Overview

overview

10

Static

static

3

rte466.exe

windows7-x64

10

rte466.exe

windows10-2004-x64

10

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General

  • Target

    rte466.exe

  • Size

    700KB

  • Sample

    240907-gcfcmsxelm

  • MD5

    6fe770140bef2979d73853565fe9774b

  • SHA1

    23cc2ecd5d4f7fbd0f69efc956be47c4b8d17045

  • SHA256

    ede6c139838d4476f23e923534f5ccd6cbc6f95c0b5eb571603964351b0babde

  • SHA512

    ba527976645793cabe12db059afabaa6ab0556d267651a038298a02e0e8ebf1caed3fcf67d2c8a1c71bf86101fa9fd5cfb3fee4e9a5f83719dacbbb5b713f021

  • SSDEEP

    12288:SY5hNVrD7hdDhkhqW9FEcBcnqENyj1lkMVV/8oMBcJ5377JLFy2k:Vf7XhdD0qW0cG+LkHcJDLFXk

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

http://zexeq.com/test2/get.php

Attributes
  • extension

    .qapo

  • offline_id

    VrBq0iLIRHjQLgVRLsN1WK8yFkTCRDCCvPkwnHt1

  • payload_url

    http://uaery.top/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-zUVSNg4KRZ 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: 0663Iopd

rsa_pubkey.plain

Targets

    • Target

      rte466.exe

    • Size

      700KB

    • MD5

      6fe770140bef2979d73853565fe9774b

    • SHA1

      23cc2ecd5d4f7fbd0f69efc956be47c4b8d17045

    • SHA256

      ede6c139838d4476f23e923534f5ccd6cbc6f95c0b5eb571603964351b0babde

    • SHA512

      ba527976645793cabe12db059afabaa6ab0556d267651a038298a02e0e8ebf1caed3fcf67d2c8a1c71bf86101fa9fd5cfb3fee4e9a5f83719dacbbb5b713f021

    • SSDEEP

      12288:SY5hNVrD7hdDhkhqW9FEcBcnqENyj1lkMVV/8oMBcJ5377JLFy2k:Vf7XhdD0qW0cG+LkHcJDLFXk

    Score
    10/10
    djvudiscoverypersistenceransomware

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • 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