Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    02/06/2026, 09:52

General

  • Target
    tmpcpclupsa.exe
  • Size 9.1MB
  • Sample260602-lv7basav5s
  • SHA256 803f3f2bd778da1644ef1a86c688fe3e051e62cc687622aaf22eea4fa87870de
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Glupteba

    Glupteba is a modular loader written in Golang with various components.

  • Glupteba payload 1 IoCs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 6 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Manipulates WinMonFS driver. 1 IoCs

    Roottkits write to WinMonFS to hide directories/files from being detected.

  • Drops file in System32 directory 9 IoCs
  • Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs

    Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.

  • Drops file in Windows directory 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 11 IoCs

    Using powershell.exe command.

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 18 IoCs

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

  • Modifies data under HKEY_USERS 64 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 18 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmpcpclupsa.exe
    "C:\Users\Admin\AppData\Local\Temp\tmpcpclupsa.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4800
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1844
    • C:\Users\Admin\AppData\Local\Temp\tmpcpclupsa.exe
      "C:\Users\Admin\AppData\Local\Temp\tmpcpclupsa.exe"
      2⤵
      • Adds Run key to start application
      • Checks for VirtualBox DLLs, possible anti-VM trick
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:748
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1060
      • C:\Windows\system32\cmd.exe
        C:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:512
        • C:\Windows\system32\netsh.exe
          netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          PID:4696
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:5064
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4316
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Manipulates WinMonFS driver.
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3928
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -nologo -noprofile
          4⤵
          • Drops file in System32 directory
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4368
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:3260
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:1000
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -nologo -noprofile
            4⤵
            • Drops file in System32 directory
            • Command and Scripting Interpreter: PowerShell
            • System Location Discovery: System Language Discovery
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4352
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -nologo -noprofile
            4⤵
            • Drops file in System32 directory
            • Command and Scripting Interpreter: PowerShell
            • System Location Discovery: System Language Discovery
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:3156
          • C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
            C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll
            4⤵
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            PID:648
          • C:\Windows\SYSTEM32\schtasks.exe
            schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
            4⤵
            • Scheduled Task/Job: Scheduled Task
            PID:4364
    • C:\Windows\rss\csrss.exe
      "C:\Windows\rss\csrss.exe"
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2036
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:784
      • C:\Windows\rss\csrss.exe
        "C:\Windows\rss\csrss.exe"
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2844
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -nologo -noprofile
          3⤵
          • Drops file in System32 directory
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:648
    • C:\Windows\rss\csrss.exe
      C:\Windows\rss\csrss.exe
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3204
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1248
      • C:\Windows\rss\csrss.exe
        "C:\Windows\rss\csrss.exe"
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2004
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -nologo -noprofile
          3⤵
          • Drops file in System32 directory
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1544
          • C:\Windows\System32\Conhost.exe
            \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
            4⤵
              PID:4368

      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_32\UsageLogs\powershell.exe.log
            • Size 2KB
            • SHA256 f019af2e5e74cdf13c963910500f9436c66b6f2901f5056d72f82310f20113b9
            • MD5 SHA1 SHA512 TLSH

            StartupProfileData-Interactive

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
            • Size 21KB
            • SHA256 4a9d845523f8ded9487e3b994675e909dc5034edf32ab28c2d6d98e1b929b015
            • MD5 SHA1 SHA512 SSDEEP TLSH

            StartupProfileData-Interactive

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
            • Size 21KB
            • SHA256 3944fbfcf66be0783ad2670694c51f9154d683b18073db3ec60650132237dbbc
            • MD5 SHA1 SHA512 SSDEEP TLSH

            __PSScriptPolicyTest_5fmffl13.ivo.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5fmffl13.ivo.ps1
            • Size 60B
            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
            • MD5 SHA1 SHA512 TLSH

            injector.exe

            • Path C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
            • Size 281KB
            • SHA256 5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
            • MD5 SHA1 SHA512 SSDEEP TLSH

            powershell.exe.log

            • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
            • Size 2KB
            • SHA256 92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
            • MD5 SHA1 SHA512 TLSH

            StartupProfileData-Interactive

            • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
            • Size 19KB
            • SHA256 332d6b6a72b918627df8866754d1d24cc6af05e6caa382712c5be6fd3d0c4a39
            • MD5 SHA1 SHA512 SSDEEP TLSH

            StartupProfileData-Interactive

            • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
            • Size 19KB
            • SHA256 2b40ba46808ea90c12c6fd73d7c123267b9ac1239c7212e440da280bab4e368d
            • MD5 SHA1 SHA512 SSDEEP TLSH

            StartupProfileData-Interactive

            • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
            • Size 19KB
            • SHA256 e84dcbc2d61d730d6d5f7e292e322421b4523d338474eb1b535e9a914017efc5
            • MD5 SHA1 SHA512 SSDEEP TLSH

            StartupProfileData-Interactive

            • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
            • Size 19KB
            • SHA256 54c511fdfccd5e825d83586cb851e5ebb3f251f460d1dbd90584dc8f858999ee
            • MD5 SHA1 SHA512 SSDEEP TLSH

            StartupProfileData-Interactive

            • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
            • Size 19KB
            • SHA256 072d3ed9b225bc6284a4e9e66d9cf4ba65e06743da7aafaf54ebb6a2a5116132
            • MD5 SHA1 SHA512 SSDEEP TLSH

            StartupProfileData-Interactive

            • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
            • Size 19KB
            • SHA256 a33c1f4e5a665f95125a53257cedad464ea022ab2b7e1c0e7ab503d6d4741f90
            • MD5 SHA1 SHA512 SSDEEP TLSH

            csrss.exe

            • Path C:\Windows\rss\csrss.exe
            • Size 9.1MB
            • SHA256 803f3f2bd778da1644ef1a86c688fe3e051e62cc687622aaf22eea4fa87870de
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/648-182-0x0000000070C70000-0x0000000070FC4000-memory.dmp

            memory/648-173-0x00000000704E0000-0x000000007052C000-memory.dmp

            memory/648-190-0x00000000071D0000-0x00000000071E1000-memory.dmp

            memory/648-198-0x0000000005A30000-0x0000000005A44000-memory.dmp

            memory/784-150-0x0000000005B40000-0x0000000005B54000-memory.dmp

            memory/784-140-0x00000000705C0000-0x000000007060C000-memory.dmp

            memory/784-141-0x0000000070C70000-0x0000000070FC4000-memory.dmp

            memory/1060-64-0x0000000007AF0000-0x0000000007B01000-memory.dmp

            memory/1060-63-0x00000000077F0000-0x0000000007893000-memory.dmp

            memory/1060-45-0x0000000005F70000-0x00000000062C4000-memory.dmp

            memory/1060-54-0x0000000070660000-0x00000000706AC000-memory.dmp

            memory/1060-55-0x0000000070E00000-0x0000000071154000-memory.dmp

            memory/1060-53-0x0000000006B50000-0x0000000006B9C000-memory.dmp

            memory/1060-65-0x0000000007B40000-0x0000000007B54000-memory.dmp

            memory/1248-221-0x0000000007600000-0x0000000007611000-memory.dmp

            memory/1248-212-0x0000000070C70000-0x0000000070FC4000-memory.dmp

            memory/1248-222-0x0000000005940000-0x0000000005954000-memory.dmp

            memory/1248-211-0x00000000704E0000-0x000000007052C000-memory.dmp

            memory/1248-220-0x0000000007480000-0x0000000007523000-memory.dmp

            memory/1544-244-0x0000000070C70000-0x0000000070FC4000-memory.dmp

            memory/1544-253-0x00000000063B0000-0x00000000063C4000-memory.dmp

            memory/1544-243-0x00000000704E0000-0x000000007052C000-memory.dmp

            memory/1544-252-0x0000000007B30000-0x0000000007B41000-memory.dmp

            memory/1844-22-0x0000000007270000-0x00000000072A2000-memory.dmp

            memory/1844-17-0x0000000006E60000-0x0000000006EA4000-memory.dmp

            memory/1844-37-0x00000000074D0000-0x0000000007566000-memory.dmp

            memory/1844-36-0x00000000073C0000-0x00000000073CA000-memory.dmp

            memory/1844-35-0x00000000072D0000-0x0000000007373000-memory.dmp

            memory/1844-1-0x0000000004710000-0x0000000004746000-memory.dmp

            memory/1844-24-0x00000000706E0000-0x0000000070A34000-memory.dmp

            memory/1844-2-0x0000000004780000-0x0000000004790000-memory.dmp

            memory/1844-3-0x0000000004DC0000-0x00000000053E8000-memory.dmp

            memory/1844-32-0x00000000072B0000-0x00000000072CE000-memory.dmp

            memory/1844-33-0x0000000004780000-0x0000000004790000-memory.dmp

            memory/1844-39-0x0000000007410000-0x000000000741E000-memory.dmp

            memory/1844-34-0x0000000004780000-0x0000000004790000-memory.dmp

            memory/1844-23-0x0000000070560000-0x00000000705AC000-memory.dmp

            memory/1844-40-0x0000000007430000-0x0000000007444000-memory.dmp

            memory/1844-42-0x0000000007470000-0x0000000007478000-memory.dmp

            memory/1844-38-0x00000000073D0000-0x00000000073E1000-memory.dmp

            memory/1844-4-0x0000000004D20000-0x0000000004D42000-memory.dmp

            memory/1844-21-0x000000007F320000-0x000000007F330000-memory.dmp

            memory/1844-20-0x0000000007030000-0x000000000704A000-memory.dmp

            memory/1844-5-0x00000000054F0000-0x0000000005556000-memory.dmp

            memory/1844-19-0x0000000007750000-0x0000000007DCA000-memory.dmp

            memory/1844-18-0x0000000007050000-0x00000000070C6000-memory.dmp

            memory/1844-6-0x00000000055D0000-0x0000000005636000-memory.dmp

            memory/1844-0-0x0000000004780000-0x0000000004790000-memory.dmp

            memory/1844-41-0x0000000007480000-0x000000000749A000-memory.dmp

            memory/1844-16-0x0000000005D30000-0x0000000005D7C000-memory.dmp

            memory/1844-15-0x0000000005D10000-0x0000000005D2E000-memory.dmp

            memory/1844-14-0x0000000005860000-0x0000000005BB4000-memory.dmp

            memory/3156-224-0x0000000070C70000-0x0000000070FC4000-memory.dmp

            memory/3156-223-0x00000000704E0000-0x000000007052C000-memory.dmp

            memory/3156-234-0x00000000072C0000-0x00000000072D1000-memory.dmp

            memory/4316-97-0x00000000707E0000-0x0000000070B34000-memory.dmp

            memory/4316-96-0x0000000070660000-0x00000000706AC000-memory.dmp

            memory/4316-94-0x0000000006530000-0x0000000006884000-memory.dmp

            memory/4352-171-0x00000000704E0000-0x000000007052C000-memory.dmp

            memory/4352-181-0x0000000007030000-0x00000000070D3000-memory.dmp

            memory/4352-172-0x0000000070C70000-0x0000000070FC4000-memory.dmp

            memory/4352-169-0x0000000006320000-0x000000000636C000-memory.dmp

            memory/4368-149-0x00000000066B0000-0x00000000066C1000-memory.dmp

            memory/4368-139-0x0000000007B00000-0x0000000007BA3000-memory.dmp

            memory/4368-131-0x0000000070C70000-0x0000000070FC4000-memory.dmp

            memory/4368-130-0x00000000705C0000-0x000000007060C000-memory.dmp

            memory/4368-129-0x0000000006990000-0x00000000069DC000-memory.dmp

            memory/4368-112-0x0000000006170000-0x00000000064C4000-memory.dmp

            memory/5064-78-0x0000000070E00000-0x0000000071154000-memory.dmp

            memory/5064-77-0x0000000070660000-0x00000000706AC000-memory.dmp