Analysis

  • max time kernel
    149s
  • max time network
    95s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    05/06/2026, 12:12

General

  • Target
    Setup-RemoteAppClient.exe
  • Size 14.2MB
  • Sample260605-pc72naf18p
  • SHA256 90b02fc1648f573e811cb98e48e632b5adb37434ffa53c3e6b0d7c9786149a79
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 2 IoCs

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

  • Checks installed software on the system 1 TTPs

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

  • Executes dropped EXE 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Using powershell.exe command.

  • 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.

  • Inno Setup is an open-source installation builder for Windows applications. 3 IoCs

    Inno Setup installer

  • Kills process with taskkill 6 IoCs
  • Modifies registry class 24 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Setup-RemoteAppClient.exe
    "C:\Users\Admin\AppData\Local\Temp\Setup-RemoteAppClient.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2532
    • C:\Users\Admin\AppData\Local\Temp\is-4L04D.tmp\Setup-RemoteAppClient.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-4L04D.tmp\Setup-RemoteAppClient.tmp" /SL5="$90056,13811656,953344,C:\Users\Admin\AppData\Local\Temp\Setup-RemoteAppClient.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4216
      • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -File "C:\Users\Admin\AppData\Local\Temp\is-DSCA2.tmp\connection-client-signer.ps1"
        3⤵
        • Badlisted process makes network request
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3800
      • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -File "C:\Users\Admin\AppData\Local\Temp\is-DSCA2.tmp\connection-client-signer.ps1"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4568
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe" /C taskkill /im mstsc.exe /f /t
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1980
        • C:\Windows\system32\taskkill.exe
          taskkill /im mstsc.exe /f /t
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:2916
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe" /C taskkill /im ConnectionClient.exe /f /t
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3628
        • C:\Windows\system32\taskkill.exe
          taskkill /im ConnectionClient.exe /f /t
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:5092
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe" /C taskkill /im UniversalPrinterClient.exe /f /t
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3204
        • C:\Windows\system32\taskkill.exe
          taskkill /im UniversalPrinterClient.exe /f /t
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:1040
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe" /C taskkill /im MyRemoteApp.exe /f /t
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1204
        • C:\Windows\system32\taskkill.exe
          taskkill /im MyRemoteApp.exe /f /t
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:5024
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe" /C taskkill /im SumatraPDF.exe /f /t
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1584
        • C:\Windows\system32\taskkill.exe
          taskkill /im SumatraPDF.exe /f /t
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:1520
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe" /C taskkill /im RemoteAppClient.exe /f /t
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4616
        • C:\Windows\system32\taskkill.exe
          taskkill /im RemoteAppClient.exe /f /t
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:1544
      • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -File "C:\Users\Admin\AppData\Local\Temp\is-DSCA2.tmp\connection-client-signer.ps1"
        3⤵
        • Badlisted process makes network request
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3200
      • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -File "C:\Users\Admin\AppData\Local\Temp\is-DSCA2.tmp\connection-client-signer.ps1"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2264

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        powershell.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
        • Size 2KB
        • SHA256 d69b7d84970cb04cd069299fd8aa9cef8394999588bead979104dc3cb743b4f2
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 1081c6b484e3ce0572ea539029bc598ee7870cf099c5585bd52fbeee220c56b7
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 cca996ce3a1fb9cc44bcacc9002798fc66eab27146004d38e65ef98539510f66
        • MD5 SHA1 SHA512 TLSH

        __PSScriptPolicyTest_2ahy3www.jyi.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2ahy3www.jyi.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH

        Setup-RemoteAppClient.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\is-4L04D.tmp\Setup-RemoteAppClient.tmp
        • Size 3.4MB
        • SHA256 d5ee4ca19aff73952d7036f0053372dca544537e802ae9b451f7a027c001febb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        connection-client-signer-thumbprint.txt

        • Path C:\Users\Admin\AppData\Local\Temp\is-DSCA2.tmp\connection-client-signer-thumbprint.txt
        • Size 40B
        • SHA256 d6d3a95263b4c95211ca175f6005df97e6b5b22e73b3a73221b532228737af82
        • MD5 SHA1 SHA512

        connection-client-signer.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\is-DSCA2.tmp\connection-client-signer.ps1
        • Size 292B
        • SHA256 efd9681c9e9dab20bfe7ff9c83e2b89b2b67ff8393f189676055257e9341675a
        • MD5 SHA1 SHA512 TLSH

        connection-client-signer.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\is-DSCA2.tmp\connection-client-signer.ps1
        • Size 447B
        • SHA256 f10f6e8cb5fc40990cca48e98b4a98e97fd807f3c03a04130e273408c14a3da7
        • MD5 SHA1 SHA512 TLSH

        connection-client-signer.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\is-DSCA2.tmp\connection-client-signer.ps1
        • Size 308B
        • SHA256 4b348a52530d32ed4e6bfb58fb10e733958ca428ec36f6cb6788ced7f8efc12b
        • MD5 SHA1 SHA512 TLSH

        connection-client-signer.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\is-DSCA2.tmp\connection-client-signer.ps1
        • Size 501B
        • SHA256 1e5fd369ddda731ad8c2c517adef722588f5f59196490becfd9ab8943567e230
        • MD5 SHA1 SHA512 TLSH

        downloaded-signer-for-policy-page.crt

        • Path C:\Users\Admin\AppData\Local\Temp\is-DSCA2.tmp\downloaded-signer-for-policy-page.crt
        • Size 1KB
        • SHA256 7587e16c0813f3da69cd50f753c741f93acefd37e582d799307812fc8459e369
        • MD5 SHA1 SHA512 TLSH

        is-22H6D.tmp

        • Path C:\Users\Admin\RDP6\is-22H6D.tmp
        • Size 95KB
        • SHA256 7acd2e8f32235743d25b48d9b679b553e60a6348e13edd4f7eab6aee79fefe2c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        svcr.exe

        • Path C:\Users\Admin\RemoteApp\svcr.exe
        • Size 941KB
        • SHA256 5927b9420278f760ff44b87a43f29dc9ad942ae4fbf917267a51f254fab42980
        • MD5 SHA1 SHA512 SSDEEP TLSH

        version.dat

        • Path C:\Users\Admin\RemoteApp\version.dat
        • Size 4B
        • SHA256 743c7850cccfba5e53a9002663ec1ddd1079315a98bdbfdde10e6044f56abefe
        • MD5 SHA1 SHA512

        memory/2532-180-0x00000000000F0000-0x00000000001E7000-memory.dmp

        memory/2532-1-0x00000000000F0000-0x00000000001E7000-memory.dmp

        memory/2532-33-0x00000000000F0000-0x00000000001E7000-memory.dmp

        memory/3800-16-0x0000021E69F50000-0x0000021E69F72000-memory.dmp

        memory/3800-18-0x0000021E6B6D0000-0x0000021E6B6E0000-memory.dmp

        memory/3800-8-0x0000021E6B6D0000-0x0000021E6B6E0000-memory.dmp

        memory/3800-9-0x0000021E6B6D0000-0x0000021E6B6E0000-memory.dmp

        memory/4216-34-0x0000000000F80000-0x00000000012FE000-memory.dmp

        memory/4216-5-0x0000000003470000-0x0000000003471000-memory.dmp

        memory/4216-175-0x0000000000F80000-0x00000000012FE000-memory.dmp

        memory/4216-177-0x0000000000F80000-0x00000000012FE000-memory.dmp

        memory/4216-179-0x0000000000F80000-0x00000000012FE000-memory.dmp

        memory/4216-10-0x0000000003470000-0x0000000003471000-memory.dmp