Overview

overview

10

Static

static

1

PON2401071.xls

windows7-x64

10

PON2401071.xls

windows10-2004-x64

1

Sharing

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General

  • Target

    PON2401071.xls

  • Size

    243KB

  • Sample

    240520-g27s7afc32

  • MD5

    71e4c5440a96949a52716772afeecaf9

  • SHA1

    1423b128556af44a2d4b459b3e6bbc552992cf23

  • SHA256

    fb51a555286437da6427a8f381f22a6c206c28284eafd7fe0962a4ca82b29112

  • SHA512

    33d98eaa90945772f87812abfe88a1494450f8afdd07ae4bbeab484ea9be79c1cd4c9c31cac0341da773348e9d4dda2c29c3ea96097c5e7e61055a77993a960d

  • SSDEEP

    6144:Ue4UcLe0JOqPQZR8MDdATCR3tSvz/9RZsHzJWdT64GNtN:aUP/qPQZR8MxAm/Svz/9RGAdW

Score
10/10
remcosremotehostcollectionexecutionratspywarestealer

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

newauthurdomain.duckdns.org:14645

Attributes
  • audio_folder

    MicRecords

  • 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-1MNKUH

  • 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

      PON2401071.xls

    • Size

      243KB

    • MD5

      71e4c5440a96949a52716772afeecaf9

    • SHA1

      1423b128556af44a2d4b459b3e6bbc552992cf23

    • SHA256

      fb51a555286437da6427a8f381f22a6c206c28284eafd7fe0962a4ca82b29112

    • SHA512

      33d98eaa90945772f87812abfe88a1494450f8afdd07ae4bbeab484ea9be79c1cd4c9c31cac0341da773348e9d4dda2c29c3ea96097c5e7e61055a77993a960d

    • SSDEEP

      6144:Ue4UcLe0JOqPQZR8MDdATCR3tSvz/9RZsHzJWdT64GNtN:aUP/qPQZR8MxAm/Svz/9RGAdW

    Score
    10/10
    remcosremotehostcollectionexecutionratspywarestealer

    • Remcos

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

      ratremcos

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Abuses OpenXML format to download file from external location

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Accesses Microsoft Outlook accounts

      collection

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks