Analysis

  • max time kernel
    46s
  • max time network
    53s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260617-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    27/06/2026, 20:25

General

  • Target
    a801bae8299a12de1f1d47b66dbd8a250b357cbc169094ac4f7e90e8c9a9e418.exe
  • Size 552KB
  • Sample260627-y7g86adv21
  • SHA256 a801bae8299a12de1f1d47b66dbd8a250b357cbc169094ac4f7e90e8c9a9e418
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • remcos

Version
  • 7.2.6 Light

Botnet
  • fb88

C2
  • comey.mobi:443

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-VBN3F0

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Family: Remcos

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

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks SCSI registry key(s) 3 TTPs 42 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies registry class 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a801bae8299a12de1f1d47b66dbd8a250b357cbc169094ac4f7e90e8c9a9e418.exe
    "C:\Users\Admin\AppData\Local\Temp\a801bae8299a12de1f1d47b66dbd8a250b357cbc169094ac4f7e90e8c9a9e418.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:3296
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1568
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:916
  • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
    "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
    1⤵
      PID:668
    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
      1⤵
        PID:5560
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k GPSvcGroup
        1⤵
          PID:6000

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              prep_Activatable Class_Hermes_perf.cache

              • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
              • Size 599B
              • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
              • MD5 SHA1 SHA512 TLSH

              memory/668-4-0x0000028D001E0000-0x0000028D002E0000-memory.dmp

              memory/668-6-0x0000028D001E0000-0x0000028D002E0000-memory.dmp

              memory/668-5-0x0000028D001E0000-0x0000028D002E0000-memory.dmp

              memory/668-33-0x0000028D13E90000-0x0000028D13F90000-memory.dmp

              memory/668-62-0x0000028D14310000-0x0000028D14330000-memory.dmp

              memory/668-48-0x0000028D03C90000-0x0000028D03CB0000-memory.dmp

              memory/668-31-0x0000028D03930000-0x0000028D03950000-memory.dmp

              memory/3296-0-0x0000000000400000-0x000000000048C000-memory.dmp

              memory/3296-1-0x0000000000400000-0x000000000048C000-memory.dmp