Overview

overview

10

Static

static

1

2263f87e66...c3.exe

windows7-x64

10

2263f87e66...c3.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2263f87e66243b4f0d6b1bb79e0638c6556b5d89a2506ad9db5c30cc02bbdcc3.exe

  • Size

    632KB

  • Sample

    241008-bmdc5s1fkj

  • MD5

    84e09bf944042fbd418724cddb729516

  • SHA1

    8d908f01be478390e49bfe51fbca4959af157e1f

  • SHA256

    2263f87e66243b4f0d6b1bb79e0638c6556b5d89a2506ad9db5c30cc02bbdcc3

  • SHA512

    803912c31ef4e413d7b251fc400950aca18ae522ac5a0b87d51a459182b112edbcad78b506a8cbe7c12eb18b5a4c2825b139107edb7bd2dda6bd18fe43421e78

  • SSDEEP

    12288:UElGNmPCeBgjfiWxnlApvOvcrG7fhbL7TWxv69jIQS6lpOYCUjJ+i:5lGUPBBDulAxOErGLN7avBQTlpvCU3

Score
10/10
guloaderremcosrem_doc2collectiondiscoverydownloaderexecutionpersistencerat

Malware Config

Extracted

Family

remcos

Botnet

Rem_doc2

C2

107.173.4.16:2404

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-DSGECX

  • 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

      2263f87e66243b4f0d6b1bb79e0638c6556b5d89a2506ad9db5c30cc02bbdcc3.exe

    • Size

      632KB

    • MD5

      84e09bf944042fbd418724cddb729516

    • SHA1

      8d908f01be478390e49bfe51fbca4959af157e1f

    • SHA256

      2263f87e66243b4f0d6b1bb79e0638c6556b5d89a2506ad9db5c30cc02bbdcc3

    • SHA512

      803912c31ef4e413d7b251fc400950aca18ae522ac5a0b87d51a459182b112edbcad78b506a8cbe7c12eb18b5a4c2825b139107edb7bd2dda6bd18fe43421e78

    • SSDEEP

      12288:UElGNmPCeBgjfiWxnlApvOvcrG7fhbL7TWxv69jIQS6lpOYCUjJ+i:5lGUPBBDulAxOErGLN7avBQTlpvCU3

    Score
    10/10
    guloaderremcosrem_doc2discoverydownloaderexecutionpersistenceratcollection

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

      downloaderguloader

    • Remcos

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

      ratremcos

    • Detected Nirsoft tools

      Free utilities often used by attackers which can steal passwords, product keys, etc.

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Accesses Microsoft Outlook accounts

      collection

    • Adds Run key to start application

      persistence

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks