Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/09/2026, 10:56

General

  • Target
    b856704dcb7b2f172d96f5a804628bc5ce615c7750a952b88eff541f16d5afe1.exe
  • Size 994KB
  • Sample260910-m1t4lagf29
  • SHA256 b856704dcb7b2f172d96f5a804628bc5ce615c7750a952b88eff541f16d5afe1
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • remcos

Version
  • 7.2.6 Pro

Botnet
  • DON32UPX

C2
  • 217.60.195.33:17541

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-QO96S8

  • 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.

  • Modifies Windows Defender DisableAntiSpyware settings 3 TTPs 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Executes dropped EXE 4 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 22 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b856704dcb7b2f172d96f5a804628bc5ce615c7750a952b88eff541f16d5afe1.exe
    "C:\Users\Admin\AppData\Local\Temp\b856704dcb7b2f172d96f5a804628bc5ce615c7750a952b88eff541f16d5afe1.exe"
    1⤵
    • Modifies Windows Defender DisableAntiSpyware settings
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4128
    • C:\Users\Admin\AppData\Local\Temp\b856704dcb7b2f172d96f5a804628bc5ce615c7750a952b88eff541f16d5afe1.exe
      "C:\Users\Admin\AppData\Local\Temp\b856704dcb7b2f172d96f5a804628bc5ce615c7750a952b88eff541f16d5afe1.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • outlook_office_path
      PID:2636
  • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -Command "$l02k0j=Get-Date;$bqqgil=([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('U3RhcnQtUHJvY2Vzcw==')));$ppnope=[System.Environment]::TickCount;$ulhnro=([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('QzpcVXNlcnNcQWRtaW5cQXBwRGF0YVxSb2FtaW5nXGpYTC5leGU=')));$ppnope=[System.Environment]::TickCount;& $bqqgil -FilePath $ulhnro"
    1⤵
    • Command and Scripting Interpreter: PowerShell
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5292
    • C:\Users\Admin\AppData\Roaming\jXL.exe
      "C:\Users\Admin\AppData\Roaming\jXL.exe"
      2⤵
      • Modifies Windows Defender DisableAntiSpyware settings
      • 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:2304
      • C:\Users\Admin\AppData\Roaming\jXL.exe
        "C:\Users\Admin\AppData\Roaming\jXL.exe"
        3⤵
        • Executes dropped EXE
        PID:1612
      • C:\Users\Admin\AppData\Roaming\jXL.exe
        "C:\Users\Admin\AppData\Roaming\jXL.exe"
        3⤵
        • Executes dropped EXE
        PID:764
      • C:\Users\Admin\AppData\Roaming\jXL.exe
        "C:\Users\Admin\AppData\Roaming\jXL.exe"
        3⤵
        • Executes dropped EXE
        PID:3040

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        jXL.exe

        • Path C:\Users\Admin\AppData\Roaming\jXL.exe
        • Size 994KB
        • SHA256 b856704dcb7b2f172d96f5a804628bc5ce615c7750a952b88eff541f16d5afe1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2636-24-0x0000000000400000-0x0000000000495000-memory.dmp

        memory/2636-15-0x0000000000400000-0x0000000000495000-memory.dmp

        memory/2636-56-0x0000000000400000-0x0000000000495000-memory.dmp

        memory/2636-55-0x0000000000400000-0x0000000000495000-memory.dmp

        memory/2636-53-0x0000000000400000-0x0000000000495000-memory.dmp

        memory/2636-54-0x0000000000400000-0x0000000000495000-memory.dmp

        memory/2636-51-0x0000000000400000-0x0000000000495000-memory.dmp

        memory/2636-52-0x0000000000400000-0x0000000000495000-memory.dmp

        memory/2636-49-0x0000000000400000-0x0000000000495000-memory.dmp

        memory/2636-50-0x0000000000400000-0x0000000000495000-memory.dmp

        memory/2636-11-0x0000000000400000-0x0000000000495000-memory.dmp

        memory/2636-12-0x0000000000400000-0x0000000000495000-memory.dmp

        memory/2636-13-0x0000000000400000-0x0000000000495000-memory.dmp

        memory/2636-42-0x0000000000400000-0x0000000000495000-memory.dmp

        memory/2636-16-0x0000000000400000-0x0000000000495000-memory.dmp

        memory/2636-41-0x0000000000400000-0x0000000000495000-memory.dmp

        memory/2636-17-0x0000000000400000-0x0000000000495000-memory.dmp

        memory/2636-40-0x0000000000400000-0x0000000000495000-memory.dmp

        memory/2636-36-0x0000000000400000-0x0000000000495000-memory.dmp

        memory/2636-35-0x0000000010000000-0x00000000100F7000-memory.dmp

        memory/2636-23-0x0000000000400000-0x0000000000495000-memory.dmp

        memory/2636-34-0x0000000010000000-0x00000000100F7000-memory.dmp

        memory/2636-31-0x0000000010000000-0x00000000100F7000-memory.dmp

        memory/2636-25-0x0000000000400000-0x0000000000495000-memory.dmp

        memory/2636-14-0x0000000000400000-0x0000000000495000-memory.dmp

        memory/4128-10-0x00000000076B0000-0x0000000007790000-memory.dmp

        memory/4128-3-0x0000000004E70000-0x0000000004F02000-memory.dmp

        memory/4128-4-0x0000000004E50000-0x0000000004E5A000-memory.dmp

        memory/4128-2-0x00000000054E0000-0x0000000005A9A000-memory.dmp

        memory/4128-0-0x0000000074602000-0x0000000074603000-memory.dmp

        memory/4128-5-0x00000000745F0000-0x0000000074DAC000-memory.dmp

        memory/4128-1-0x0000000000380000-0x0000000000480000-memory.dmp

        memory/4128-6-0x00000000051C0000-0x00000000051CE000-memory.dmp

        memory/4128-7-0x0000000074602000-0x0000000074603000-memory.dmp

        memory/4128-8-0x00000000745F0000-0x0000000074DAC000-memory.dmp

        memory/4128-9-0x0000000007B10000-0x0000000007BAC000-memory.dmp

        memory/4128-18-0x00000000745F0000-0x0000000074DAC000-memory.dmp

        memory/5292-22-0x000002770D710000-0x000002770D732000-memory.dmp

        memory/5292-26-0x00007FFA79600000-0x00007FFA79FA4000-memory.dmp

        memory/5292-28-0x00007FFA79600000-0x00007FFA79FA4000-memory.dmp

        memory/5292-39-0x00007FFA79600000-0x00007FFA79FA4000-memory.dmp

        memory/5292-19-0x00007FFA7978F000-0x00007FFA79790000-memory.dmp

        memory/5292-27-0x00007FFA79600000-0x00007FFA79FA4000-memory.dmp

        memory/5292-30-0x00007FFA79600000-0x00007FFA79FA4000-memory.dmp

        memory/5292-29-0x00007FFA79600000-0x00007FFA79FA4000-memory.dmp