Analysis

  • max time kernel
    149s
  • max time network
    93s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    05/02/2026, 15:37

General

  • Target
    081a30496d35fc471cd6e333bbf116f016fd3b9984a17f6d479dceb7c8ce0ca3.exe
  • Size 749KB
  • Sample260205-s2qqfsbs3c
  • SHA256 081a30496d35fc471cd6e333bbf116f016fd3b9984a17f6d479dceb7c8ce0ca3
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • remcos

Version
  • 1.7 Pro

Botnet
  • 3-servers

C2
  • 185.156.174.155:42830

  • 146.70.76.35:42830

  • 185.216.35.150:42830

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    remcos.exe

  • copy_folder

    remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    3ssss.dat

  • keylog_flag

    false

  • keylog_folder

    3s

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    remcos_vrmgfobijw

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • 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 1 IoCs

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

  • Drops startup file 1 IoCs
  • SmartAssembly .NET packer 1 IoCs

    Detects SmartAssembly .NET packer.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\081a30496d35fc471cd6e333bbf116f016fd3b9984a17f6d479dceb7c8ce0ca3.exe
    "C:\Users\Admin\AppData\Local\Temp\081a30496d35fc471cd6e333bbf116f016fd3b9984a17f6d479dceb7c8ce0ca3.exe"
    1⤵
    • Drops startup file
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5020
    • 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\081a30496d35fc471cd6e333bbf116f016fd3b9984a17f6d479dceb7c8ce0ca3.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3600
    • C:\Users\Admin\AppData\Local\Temp\081a30496d35fc471cd6e333bbf116f016fd3b9984a17f6d479dceb7c8ce0ca3.exe
      "C:\Users\Admin\AppData\Local\Temp\081a30496d35fc471cd6e333bbf116f016fd3b9984a17f6d479dceb7c8ce0ca3.exe"
      2⤵
        PID:4328
      • C:\Users\Admin\AppData\Local\Temp\081a30496d35fc471cd6e333bbf116f016fd3b9984a17f6d479dceb7c8ce0ca3.exe
        "C:\Users\Admin\AppData\Local\Temp\081a30496d35fc471cd6e333bbf116f016fd3b9984a17f6d479dceb7c8ce0ca3.exe"
        2⤵
          PID:3296
        • C:\Users\Admin\AppData\Local\Temp\081a30496d35fc471cd6e333bbf116f016fd3b9984a17f6d479dceb7c8ce0ca3.exe
          "C:\Users\Admin\AppData\Local\Temp\081a30496d35fc471cd6e333bbf116f016fd3b9984a17f6d479dceb7c8ce0ca3.exe"
          2⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:3332
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        1⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1836

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            __PSScriptPolicyTest_k41xpas0.kze.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_k41xpas0.kze.ps1
            • Size 60B
            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
            • MD5 SHA1 SHA512 TLSH

            memory/1836-47-0x00000146DD430000-0x00000146DD476000-memory.dmp

            memory/1836-45-0x00000146DD000000-0x00000146DD022000-memory.dmp

            memory/3332-20-0x0000000000400000-0x0000000000417000-memory.dmp

            memory/3332-69-0x0000000000400000-0x0000000000417000-memory.dmp

            memory/3332-28-0x0000000000400000-0x0000000000417000-memory.dmp

            memory/3332-24-0x0000000000400000-0x0000000000417000-memory.dmp

            memory/3332-23-0x0000000000400000-0x0000000000417000-memory.dmp

            memory/3600-56-0x0000000006790000-0x00000000067AE000-memory.dmp

            memory/3600-58-0x0000000007B70000-0x00000000081EA000-memory.dmp

            memory/3600-66-0x0000000007800000-0x0000000007808000-memory.dmp

            memory/3600-65-0x0000000007820000-0x000000000783A000-memory.dmp

            memory/3600-64-0x0000000007710000-0x0000000007725000-memory.dmp

            memory/3600-17-0x0000000004F90000-0x0000000004FA0000-memory.dmp

            memory/3600-18-0x0000000002960000-0x0000000002996000-memory.dmp

            memory/3600-19-0x0000000004F90000-0x0000000004FA0000-memory.dmp

            memory/3600-63-0x0000000007700000-0x000000000770E000-memory.dmp

            memory/3600-62-0x00000000076D0000-0x00000000076E1000-memory.dmp

            memory/3600-61-0x0000000007760000-0x00000000077F6000-memory.dmp

            memory/3600-60-0x0000000007530000-0x000000000753A000-memory.dmp

            memory/3600-27-0x00000000055D0000-0x0000000005BFA000-memory.dmp

            memory/3600-29-0x0000000005370000-0x00000000053D6000-memory.dmp

            memory/3600-35-0x00000000054E0000-0x0000000005546000-memory.dmp

            memory/3600-59-0x00000000072B0000-0x00000000072CA000-memory.dmp

            memory/3600-37-0x0000000005C40000-0x0000000005F97000-memory.dmp

            memory/3600-38-0x0000000006160000-0x000000000617E000-memory.dmp

            memory/3600-46-0x0000000006190000-0x00000000061DC000-memory.dmp

            memory/3600-57-0x0000000007170000-0x0000000007214000-memory.dmp

            memory/3600-49-0x0000000071880000-0x00000000718CC000-memory.dmp

            memory/3600-48-0x0000000006750000-0x0000000006784000-memory.dmp

            memory/5020-5-0x0000000006DA0000-0x0000000006DC2000-memory.dmp

            memory/5020-2-0x0000000005310000-0x00000000053A2000-memory.dmp

            memory/5020-3-0x00000000054E0000-0x00000000054F0000-memory.dmp

            memory/5020-9-0x00000000054E0000-0x00000000054F0000-memory.dmp

            memory/5020-4-0x00000000052D0000-0x00000000052DA000-memory.dmp

            memory/5020-6-0x0000000006DD0000-0x0000000006DEE000-memory.dmp

            memory/5020-0-0x0000000000770000-0x0000000000830000-memory.dmp

            memory/5020-7-0x0000000007700000-0x0000000007716000-memory.dmp

            memory/5020-8-0x00000000054E0000-0x00000000054F0000-memory.dmp

            memory/5020-12-0x00000000054E0000-0x00000000054F0000-memory.dmp

            memory/5020-11-0x0000000007890000-0x000000000792C000-memory.dmp

            memory/5020-10-0x0000000007740000-0x00000000077EC000-memory.dmp

            memory/5020-1-0x0000000005820000-0x0000000005DC6000-memory.dmp