Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/10/2026, 15:12

General

  • Target
    MD00125 Sp08102026.hta
  • Size 1.2MB
  • Sample261009-slbllayvay
  • SHA256 3114b50fbedd1d72a25f326aeab5548daeeae18e01eb13a53e76e96cd202faef
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • remcos

Version
  • 7.3.1 Pro

Botnet
  • EMBER 64

C2
  • misot-flex.duckdns.org:62927

  • misot-flexbk.duckdns.org:54016

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-J5EONW

  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Hide Artifacts: Hidden Files and Directories 1 TTPs 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Using powershell.exe command.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 21 IoCs
  • Suspicious behavior: MapViewOfSection 1 TTPs 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs
  • outlook_office_path 1 IoCs

Processes

  • C:\Windows\SysWOW64\mshta.exe
    C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\MD00125 Sp08102026.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4728
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noprofile -command &($executioncontext.InvokeCommand.NewScriptBlock([string]$env:AKZIBIE))
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5680
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c call "C:\Users\Admin\AppData\Local\Microsoft\Windows\Caches\134294787972992.cmd" & attrib +h +s "C:\Users\Admin\AppData\Local\Microsoft\Windows\Caches\134294787972992.cmd"
      2⤵
      • Hide Artifacts: Hidden Files and Directories
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2580
      • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\sysnative\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -Command "&($executioncontext.InvokeCommand.NewScriptBlock([string]$env:IONZMBLZS))"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1992
      • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\sysnative\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -Command "&($executioncontext.InvokeCommand.NewScriptBlock([string]$env:IONZMBLZS))"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:5476
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -Command "&($executioncontext.InvokeCommand.NewScriptBlock([string]$env:IONZMBLZS))"
          4⤵
          • Adds Run key to start application
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:5204
          • C:\Windows\system32\choice.exe
            "C:\Windows\system32\choice.exe"
            5⤵
            • Accesses Microsoft Outlook profiles
            • outlook_office_path
            PID:1788
      • C:\Windows\SysWOW64\attrib.exe
        attrib +h +s "C:\Users\Admin\AppData\Local\Microsoft\Windows\Caches\134294787972992.cmd"
        3⤵
        • System Location Discovery: System Language Discovery
        • Views/modifies file attributes
        PID:5972
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:2404

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          134294787972992.cmd

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\Caches\134294787972992.cmd
          • Size 1.2MB
          • SHA256 15e380df82421daf2d6a6d774f8a79e05223516cdc10c773b18e5917db588375
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 13KB
          • SHA256 464b4ff5d01bb724703897c54a68a7203af0967c8eb5629cf2bda43c7880d9da
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 d4c633b2330628a3ce4ec2d0d98ea5bf3ff2b218061bce214e1fefee994cfbce
          • MD5 SHA1 SHA512 TLSH

          __PSScriptPolicyTest_5bp4csjc.d4y.psm1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5bp4csjc.d4y.psm1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512 TLSH

          handoff_dbg_5204_e59d7a9.txt

          • Path C:\Users\Admin\AppData\Local\Temp\handoff_dbg_5204_e59d7a9.txt
          • Size 18B
          • SHA256 ec8ce34fab88fe22233a78cf31d73977c4984aee353a2cc0753b2fb377d08946
          • MD5 SHA1 SHA512

          handoff_dbg_5204_e59d7a9.txt

          • Path C:\Users\Admin\AppData\Local\Temp\handoff_dbg_5204_e59d7a9.txt
          • Size 211B
          • SHA256 5995e43afcd6425e80262b7b66bfdc948e521d0c1174acf25e6cf2a78d07b42a
          • MD5 SHA1 SHA512 TLSH

          handoff_dbg_5204_e59d7a9.txt

          • Path C:\Users\Admin\AppData\Local\Temp\handoff_dbg_5204_e59d7a9.txt
          • Size 612B
          • SHA256 12a92b23d746101f93fb5018931b23b86aa9ac261d02bd1a69862151b110ec07
          • MD5 SHA1 SHA512 TLSH

          handoff_dbg_5204_e59d7a9.txt

          • Path C:\Users\Admin\AppData\Local\Temp\handoff_dbg_5204_e59d7a9.txt
          • Size 555B
          • SHA256 76f14a7519568ec84698a6a9910689dd0efbe4b7957a3f9ae250c0aa5f38fa0b
          • MD5 SHA1 SHA512 TLSH

          handoff_dbg_5204_e59d7a9.txt

          • Path C:\Users\Admin\AppData\Local\Temp\handoff_dbg_5204_e59d7a9.txt
          • Size 637B
          • SHA256 c9c122404ad0957d25bcdbb90f2101da37289d75a8f5bdc1ac9a51d18bfc3025
          • MD5 SHA1 SHA512 TLSH

          memory/1788-44-0x000001FA11980000-0x000001FA119C0000-memory.dmp

          memory/1788-98-0x000001FA13F80000-0x000001FA140AC000-memory.dmp

          memory/1788-125-0x0000000140000000-0x00000001400B0000-memory.dmp

          memory/1788-124-0x0000000140000000-0x00000001400B0000-memory.dmp

          memory/1788-120-0x0000000140000000-0x00000001400B0000-memory.dmp

          memory/1788-119-0x0000000140000000-0x00000001400B0000-memory.dmp

          memory/1788-114-0x0000000140000000-0x00000001400B0000-memory.dmp

          memory/1788-113-0x0000000140000000-0x00000001400B0000-memory.dmp

          memory/1788-109-0x0000000140000000-0x00000001400B0000-memory.dmp

          memory/1788-108-0x0000000140000000-0x00000001400B0000-memory.dmp

          memory/1788-103-0x00007FF76CA60000-0x00007FF76CA6E000-memory.dmp

          memory/1788-102-0x0000000140000000-0x00000001400B0000-memory.dmp

          memory/1788-101-0x000001FA13F80000-0x000001FA140AC000-memory.dmp

          memory/1788-100-0x000001FA13F80000-0x000001FA140AC000-memory.dmp

          memory/1788-95-0x0000000140000000-0x00000001400B0000-memory.dmp

          memory/1788-94-0x0000000140000000-0x00000001400B0000-memory.dmp

          memory/1788-93-0x0000000140000000-0x00000001400B0000-memory.dmp

          memory/1788-43-0x000001FA11980000-0x000001FA119C0000-memory.dmp

          memory/1788-90-0x0000000140000000-0x00000001400B0000-memory.dmp

          memory/1788-48-0x0000000180000000-0x0000000180040000-memory.dmp

          memory/1788-60-0x000001FA11980000-0x000001FA119C0000-memory.dmp

          memory/1788-64-0x0000000140000000-0x00000001400B0000-memory.dmp

          memory/1788-89-0x0000000140000000-0x00000001400B0000-memory.dmp

          memory/1788-66-0x0000000140000000-0x00000001400B0000-memory.dmp

          memory/1788-81-0x0000000140000000-0x00000001400B0000-memory.dmp

          memory/1992-19-0x0000028915DB0000-0x0000028915DD2000-memory.dmp

          memory/5204-35-0x00000211FE660000-0x00000211FE712000-memory.dmp

          memory/5204-37-0x00000211FE5A0000-0x00000211FE5BE000-memory.dmp

          memory/5204-34-0x00000211FE640000-0x00000211FE65E000-memory.dmp

          memory/5204-106-0x0000021180010000-0x0000021180100000-memory.dmp

          memory/5204-39-0x00000211FE570000-0x00000211FE58C000-memory.dmp

          memory/5204-42-0x00000211FE590000-0x00000211FE59A000-memory.dmp

          memory/5204-41-0x00000211FE1D0000-0x00000211FE1D6000-memory.dmp

          memory/5204-40-0x00000211FE1C0000-0x00000211FE1C8000-memory.dmp

          memory/5204-38-0x00000211FE1B0000-0x00000211FE1BA000-memory.dmp

          memory/5204-36-0x00000211FE7D0000-0x00000211FE7DA000-memory.dmp

          memory/5680-6-0x0000000005590000-0x00000000055F6000-memory.dmp

          memory/5680-12-0x0000000005C40000-0x0000000005C8C000-memory.dmp

          memory/5680-1-0x00000000046D0000-0x0000000004706000-memory.dmp

          memory/5680-0-0x0000000070022000-0x0000000070023000-memory.dmp

          memory/5680-3-0x0000000004D60000-0x00000000053AA000-memory.dmp

          memory/5680-2-0x0000000070010000-0x00000000707CC000-memory.dmp

          memory/5680-5-0x0000000070010000-0x00000000707CC000-memory.dmp

          memory/5680-7-0x0000000005600000-0x0000000005666000-memory.dmp

          memory/5680-10-0x00000000056E0000-0x0000000005A3B000-memory.dmp

          memory/5680-4-0x00000000054F0000-0x0000000005512000-memory.dmp

          memory/5680-11-0x0000000005B90000-0x0000000005BAE000-memory.dmp

          memory/5680-15-0x0000000070010000-0x00000000707CC000-memory.dmp