Overview

overview

10

Static

static

1

31agosto.vbs

windows7-x64

10

31agosto.vbs

windows10-2004-x64

10

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General

  • Target

    31agosto.vbs

  • Size

    2.6MB

  • Sample

    241203-r6b77avnel

  • MD5

    d6ab1dd82038784498347b6860ee10d0

  • SHA1

    df0a8faf0ed16fceaf258e207f151a9d7a1fa492

  • SHA256

    0059b2ceb431138b11a1aff3e8d31df978bfa46fbf47b05659a8b4b1191a2ea2

  • SHA512

    66668278b0b68d0de00fcda2562565dae43c085fcba0043a63196fc2727c9e1dbad608a75883146644983ba9c5af0dc93d2acf9b9d52438155b533e071166a32

  • SSDEEP

    384:iD7D7D7D7D7D7D7D7D7D7D7D7D7D7D7D7D7D7D7D7D7D7D7D7D7D7D7D7D7D7D7F:1GCOuuf

Score
10/10
remcosremotehostdiscoveryexecutionrat

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://pastebin.com/raw/Adv9gBHa
exe.dropper

https://pastebin.com/raw/Adv9gBHa

Extracted

Family

remcos

Botnet

RemoteHost

C2

hijosdeperra.duckdns.org:1213

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-Q6M6A4

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      31agosto.vbs

    • Size

      2.6MB

    • MD5

      d6ab1dd82038784498347b6860ee10d0

    • SHA1

      df0a8faf0ed16fceaf258e207f151a9d7a1fa492

    • SHA256

      0059b2ceb431138b11a1aff3e8d31df978bfa46fbf47b05659a8b4b1191a2ea2

    • SHA512

      66668278b0b68d0de00fcda2562565dae43c085fcba0043a63196fc2727c9e1dbad608a75883146644983ba9c5af0dc93d2acf9b9d52438155b533e071166a32

    • SSDEEP

      384:iD7D7D7D7D7D7D7D7D7D7D7D7D7D7D7D7D7D7D7D7D7D7D7D7D7D7D7D7D7D7D7F:1GCOuuf

    Score
    10/10
    executionremcosremotehostdiscoveryrat

    • Remcos

      Remcos is a closed-source remote control and surveillance software.

      ratremcos

    • Remcos family

      remcos

    • Blocklisted process makes network request

    • Checks computer location settings

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

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

      execution

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks