Overview

overview

10

Static

static

1

SKM_000181...62.bat

windows7-x64

8

SKM_000181...62.bat

windows10-2004-x64

10

Sharing

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General

  • Target

    SKM_0001810-01-2024-GL-3762.iso

  • Size

    66KB

  • Sample

    241018-mfdacavaqm

  • MD5

    44bf61e293cf0d145b6f2e27f84b68f4

  • SHA1

    c5de8a24cc448c80bc0dccc6d23628d4adab278e

  • SHA256

    4a4c0918bdacd60e792a814ddacc5dc7edb83644268611313cb9b453991ac628

  • SHA512

    e63f0d12e237711c882a52e53dd5364e8769708179ab8dc118ba8cf598202e288576dcfdb65cfdeca60bbf14fa230a175618494db22e60daf2aace5a2512cf33

  • SSDEEP

    192:tvr+mZ+DOkChhQYsyltzaCN4cwRVrn8nrG:ht+i3hKHyltzaCN

Score
10/10
remcosnbuildcollectiondiscoveryexecutionpersistencerat

Malware Config

Extracted

Family

remcos

Botnet

Nbuild

C2

renajazinw.duckdns.org:53848

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    Windeep.exe

  • copy_folder

    AppDir

  • 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-JTPTLW

  • 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

      SKM_0001810-01-2024-GL-3762.bat

    • Size

      5KB

    • MD5

      94cfdc6035491e5b2be50fc7d7071ec1

    • SHA1

      03a744cccaedb09ff1e1e4acf704a8d82b01d2ad

    • SHA256

      9493ad437ea4b55629ee0a8d18141977c2632de42349a995730112727549f40e

    • SHA512

      415d81ad761c3a507abc5ca15e56c3442b403bc4172d0215e13de6b5f7b13c30f76d7d3f35038ebd5c81d889b601e57d450467291b38f448f97988d45ca1ed64

    • SSDEEP

      96:ZZ+/7UZr6BBrGhhQYs0QXw6Kd/zov4doU9NvMVcl/796JbwuRVrn8nrEH8yyk:ZZ+DOkChhQYsyltzaCN4cwRVrn8nrG1

    Score
    10/10
    executionremcosnbuildcollectiondiscoverypersistencerat

    • 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

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

      execution

    • 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