Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250502-en
  • resource tags

    arch:x64arch:x86image:win11-20250502-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    06/11/2025, 10:39

General

  • Target
    e16e382a86bb0930cf4dfa72fea34e7f65948d9ebf669b8282fd9405aea737d5.exe
  • Size 932KB
  • Sample251106-mp375avqap
  • SHA256 e16e382a86bb0930cf4dfa72fea34e7f65948d9ebf669b8282fd9405aea737d5
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • remcos

Version
  • 3.8.0 Pro

Botnet
  • RemoteHost

C2
  • 198.12.126.169:8787

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-5X6CY5

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

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

  • Remcos family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Executes dropped EXE 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 45 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e16e382a86bb0930cf4dfa72fea34e7f65948d9ebf669b8282fd9405aea737d5.exe
    "C:\Users\Admin\AppData\Local\Temp\e16e382a86bb0930cf4dfa72fea34e7f65948d9ebf669b8282fd9405aea737d5.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5460
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\e16e382a86bb0930cf4dfa72fea34e7f65948d9ebf669b8282fd9405aea737d5.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:852
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\IpuRuOwKFED.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2340
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IpuRuOwKFED" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7F32.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3828
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
        PID:2488
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
        2⤵
        • Suspicious use of SetWindowsHookEx
        PID:4396
    • C:\Users\Admin\AppData\Roaming\IpuRuOwKFED.exe
      C:\Users\Admin\AppData\Roaming\IpuRuOwKFED.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4796
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\IpuRuOwKFED.exe"
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:5036
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\IpuRuOwKFED.exe"
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2452
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IpuRuOwKFED" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC9D8.tmp"
        2⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2996
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
        2⤵
          PID:2432

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            logs.dat

            • Path C:\ProgramData\remcos\logs.dat
            • Size 168B
            • SHA256 aa98ccaee1a0f37e560a7f3677318a1007d84d32adb6b6c4a8654d81cbd7e485
            • MD5 SHA1 SHA512

            powershell.exe.log

            • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
            • Size 2KB
            • SHA256 9600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
            • MD5 SHA1 SHA512

            StartupProfileData-NonInteractive

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            • Size 5KB
            • SHA256 52b06875dbcb0aedd441e40baee28716269c55a94d713323e98e1e3a1ae092e4
            • MD5 SHA1 SHA512 SSDEEP

            StartupProfileData-NonInteractive

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            • Size 18KB
            • SHA256 88c418c037121af3c041c9caf6f732824bbe30a2a0b0802825a425ffa694c6de
            • MD5 SHA1 SHA512 SSDEEP

            __PSScriptPolicyTest_l2akmjyw.4bl.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_l2akmjyw.4bl.ps1
            • Size 60B
            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
            • MD5 SHA1 SHA512

            tmp7F32.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\tmp7F32.tmp
            • Size 1KB
            • SHA256 e2561221336c1d87beff41731d3df8a7da9bd561a9a59fc9299e8a2649494e29
            • MD5 SHA1 SHA512

            IpuRuOwKFED.exe

            • Path C:\Users\Admin\AppData\Roaming\IpuRuOwKFED.exe
            • Size 932KB
            • SHA256 e16e382a86bb0930cf4dfa72fea34e7f65948d9ebf669b8282fd9405aea737d5
            • MD5 SHA1 SHA512 SSDEEP

            memory/852-13-0x00000000052D0000-0x0000000005306000-memory.dmp

            memory/852-73-0x0000000007E10000-0x0000000007E18000-memory.dmp

            memory/852-67-0x0000000007B50000-0x0000000007B5A000-memory.dmp

            memory/852-14-0x00000000053D0000-0x00000000053E0000-memory.dmp

            memory/852-15-0x0000000005A10000-0x000000000603A000-memory.dmp

            memory/852-65-0x0000000008110000-0x000000000878A000-memory.dmp

            memory/852-55-0x0000000075420000-0x000000007546C000-memory.dmp

            memory/852-44-0x0000000006AF0000-0x0000000006B3C000-memory.dmp

            memory/852-21-0x0000000006040000-0x00000000060A6000-memory.dmp

            memory/852-43-0x0000000006780000-0x000000000679E000-memory.dmp

            memory/852-20-0x0000000005970000-0x00000000059D6000-memory.dmp

            memory/2340-71-0x00000000071D0000-0x00000000071E5000-memory.dmp

            memory/2340-57-0x0000000006200000-0x000000000621E000-memory.dmp

            memory/2340-19-0x0000000004C80000-0x0000000004CA2000-memory.dmp

            memory/2340-72-0x00000000072D0000-0x00000000072EA000-memory.dmp

            memory/2340-17-0x0000000004810000-0x0000000004820000-memory.dmp

            memory/2340-70-0x00000000071C0000-0x00000000071CE000-memory.dmp

            memory/2340-69-0x0000000007190000-0x00000000071A1000-memory.dmp

            memory/2340-22-0x0000000005650000-0x00000000059A7000-memory.dmp

            memory/2340-66-0x0000000006F80000-0x0000000006F9A000-memory.dmp

            memory/2340-49-0x0000000075420000-0x000000007546C000-memory.dmp

            memory/2340-68-0x0000000007210000-0x00000000072A6000-memory.dmp

            memory/2340-48-0x0000000006BF0000-0x0000000006C24000-memory.dmp

            memory/2340-16-0x0000000004810000-0x0000000004820000-memory.dmp

            memory/2340-64-0x0000000006E30000-0x0000000006ED4000-memory.dmp

            memory/2432-109-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/2452-118-0x0000000007940000-0x00000000079E4000-memory.dmp

            memory/2452-127-0x0000000007CB0000-0x0000000007CC5000-memory.dmp

            memory/2452-111-0x0000000075420000-0x000000007546C000-memory.dmp

            memory/4396-91-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-169-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-35-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-37-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-40-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-41-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-33-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-74-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-194-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-193-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-80-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-82-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-83-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-84-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-86-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-87-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-88-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-90-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-191-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-190-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-189-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-188-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-186-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-185-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-183-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-128-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-182-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-132-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-133-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-134-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-181-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-136-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-137-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-139-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-140-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-141-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-143-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-144-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-145-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-147-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-148-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-150-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-151-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-152-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-153-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-155-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-156-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-158-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-159-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-160-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-162-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-163-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-164-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-166-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-167-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-179-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-170-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-171-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-172-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-174-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-175-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-177-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4396-178-0x0000000000400000-0x000000000047F000-memory.dmp

            memory/4796-47-0x00000000058D0000-0x00000000058E4000-memory.dmp

            memory/5036-119-0x0000000075420000-0x000000007546C000-memory.dmp

            memory/5036-100-0x0000000005690000-0x00000000059E7000-memory.dmp

            memory/5460-1-0x0000000005FE0000-0x0000000006586000-memory.dmp

            memory/5460-2-0x0000000005A30000-0x0000000005AC2000-memory.dmp

            memory/5460-3-0x0000000005BB0000-0x0000000005BC0000-memory.dmp

            memory/5460-4-0x00000000059E0000-0x00000000059EA000-memory.dmp

            memory/5460-5-0x0000000005B60000-0x0000000005B74000-memory.dmp

            memory/5460-6-0x0000000005BB0000-0x0000000005BC0000-memory.dmp

            memory/5460-0-0x0000000000F90000-0x0000000001080000-memory.dmp

            memory/5460-7-0x0000000007120000-0x00000000071E0000-memory.dmp

            memory/5460-8-0x00000000097C0000-0x000000000985C000-memory.dmp