Analysis

  • max time kernel
    150s
  • max time network
    151s
  • 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, 10:25

General

  • Target
    tmp7ybsnp4h.exe
  • Size 9.1MB
  • Sample260602-mf9csacs6n
  • SHA256 6aff74b947b1221353d631fd11d218527f9613fd7735a6f13a706156fedf2bc5
  • 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 8 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 17 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\tmp7ybsnp4h.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp7ybsnp4h.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4396
    • 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:3496
    • C:\Users\Admin\AppData\Local\Temp\tmp7ybsnp4h.exe
      "C:\Users\Admin\AppData\Local\Temp\tmp7ybsnp4h.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:4388
      • 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:548
      • 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:4612
        • 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:4216
      • 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:824
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Modifies data under HKEY_USERS
        PID:3516
      • 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:1996
        • 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:2024
        • 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:2488
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:4080
          • 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:624
          • 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:2940
          • 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:4352
          • 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:1980
    • 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:3216
      • 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:4784
      • 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:4384
        • 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:2388
    • 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:208
      • 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:3544
      • 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:4832
        • 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:1684

    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 d0361751ad7195ac0cbfdf28abae49f2229bc49ddd47cfec553090af1db09669
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 21KB
          • SHA256 ee6cc3bd8ca7bb82c6e246cd0933ddde3050850d0214295a94fa41dae00d210c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          __PSScriptPolicyTest_52o5a4au.iyh.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_52o5a4au.iyh.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 6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 296ae687172cde54fa522d40ac7b6d1b17c1462d737c7672363b39d3baba9049
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 6fcd869530d61b80d711c50d55fcac86f471a324b87d086be6d7246e758ec9ff
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 935bb9827418e57be1ce0ee1c9843a715f69e2b260e128883e0b85624e39b8a5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 fbdaf98668d131a5a156e62d5deaced70309cb9e6479c7beaa8161e18ce29e47
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 94aa82158b7997038bd9cab7bc7079f2d3f984742f1d69e1c1f3fd28baad6dd2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          csrss.exe

          • Path C:\Windows\rss\csrss.exe
          • Size 9.1MB
          • SHA256 6aff74b947b1221353d631fd11d218527f9613fd7735a6f13a706156fedf2bc5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/548-66-0x0000000007300000-0x0000000007314000-memory.dmp

          memory/548-65-0x00000000072B0000-0x00000000072C1000-memory.dmp

          memory/548-54-0x0000000006060000-0x00000000060AC000-memory.dmp

          memory/548-55-0x0000000070070000-0x00000000700BC000-memory.dmp

          memory/548-56-0x0000000070800000-0x0000000070B54000-memory.dmp

          memory/548-64-0x0000000006FA0000-0x0000000007043000-memory.dmp

          memory/548-51-0x0000000005790000-0x0000000005AE4000-memory.dmp

          memory/624-166-0x0000000007E90000-0x0000000007EA1000-memory.dmp

          memory/624-147-0x0000000006B60000-0x0000000006BAC000-memory.dmp

          memory/624-167-0x00000000066E0000-0x00000000066F4000-memory.dmp

          memory/624-156-0x000000006FE00000-0x000000006FE4C000-memory.dmp

          memory/624-143-0x0000000006260000-0x00000000065B4000-memory.dmp

          memory/624-165-0x0000000007B50000-0x0000000007BF3000-memory.dmp

          memory/624-157-0x00000000706A0000-0x00000000709F4000-memory.dmp

          memory/824-79-0x0000000070070000-0x00000000700BC000-memory.dmp

          memory/824-77-0x00000000062C0000-0x0000000006614000-memory.dmp

          memory/824-80-0x00000000701F0000-0x0000000070544000-memory.dmp

          memory/1684-235-0x000000006FFD0000-0x000000007001C000-memory.dmp

          memory/1684-246-0x00000000056B0000-0x00000000056C4000-memory.dmp

          memory/1684-236-0x0000000070170000-0x00000000704C4000-memory.dmp

          memory/1684-244-0x00000000076E0000-0x0000000007783000-memory.dmp

          memory/1684-229-0x00000000065C0000-0x000000000660C000-memory.dmp

          memory/1684-227-0x0000000005FB0000-0x0000000006304000-memory.dmp

          memory/1684-245-0x0000000007A40000-0x0000000007A51000-memory.dmp

          memory/2024-123-0x00000000067F0000-0x0000000006801000-memory.dmp

          memory/2024-113-0x000000006FFA0000-0x000000006FFEC000-memory.dmp

          memory/2024-133-0x0000000006840000-0x0000000006854000-memory.dmp

          memory/2024-94-0x0000000006390000-0x00000000066E4000-memory.dmp

          memory/2024-114-0x00000000705A0000-0x00000000708F4000-memory.dmp

          memory/2024-104-0x0000000006A30000-0x0000000006A7C000-memory.dmp

          memory/2024-122-0x0000000007C50000-0x0000000007CF3000-memory.dmp

          memory/2388-194-0x00000000056D0000-0x00000000056E4000-memory.dmp

          memory/2388-185-0x0000000007960000-0x0000000007971000-memory.dmp

          memory/2388-169-0x00000000706A0000-0x00000000709F4000-memory.dmp

          memory/2388-168-0x000000006FE00000-0x000000006FE4C000-memory.dmp

          memory/2940-207-0x00000000706A0000-0x00000000709F4000-memory.dmp

          memory/2940-206-0x000000006FE00000-0x000000006FE4C000-memory.dmp

          memory/3496-4-0x0000000005440000-0x0000000005462000-memory.dmp

          memory/3496-24-0x00000000700F0000-0x0000000070444000-memory.dmp

          memory/3496-21-0x000000007F320000-0x000000007F330000-memory.dmp

          memory/3496-22-0x0000000007990000-0x00000000079C2000-memory.dmp

          memory/3496-41-0x0000000007B50000-0x0000000007B64000-memory.dmp

          memory/3496-42-0x0000000007C40000-0x0000000007C5A000-memory.dmp

          memory/3496-23-0x000000006FF70000-0x000000006FFBC000-memory.dmp

          memory/3496-43-0x0000000007B90000-0x0000000007B98000-memory.dmp

          memory/3496-19-0x0000000007E40000-0x00000000084BA000-memory.dmp

          memory/3496-18-0x0000000007740000-0x00000000077B6000-memory.dmp

          memory/3496-17-0x0000000006960000-0x00000000069A4000-memory.dmp

          memory/3496-16-0x0000000006440000-0x000000000648C000-memory.dmp

          memory/3496-15-0x0000000006420000-0x000000000643E000-memory.dmp

          memory/3496-14-0x0000000005D90000-0x00000000060E4000-memory.dmp

          memory/3496-6-0x0000000005C90000-0x0000000005CF6000-memory.dmp

          memory/3496-5-0x0000000005C20000-0x0000000005C86000-memory.dmp

          memory/3496-0-0x0000000004E70000-0x0000000004E80000-memory.dmp

          memory/3496-20-0x00000000077E0000-0x00000000077FA000-memory.dmp

          memory/3496-35-0x00000000079D0000-0x00000000079EE000-memory.dmp

          memory/3496-40-0x0000000007B40000-0x0000000007B4E000-memory.dmp

          memory/3496-34-0x0000000004E70000-0x0000000004E80000-memory.dmp

          memory/3496-3-0x00000000054F0000-0x0000000005B18000-memory.dmp

          memory/3496-39-0x0000000007B00000-0x0000000007B11000-memory.dmp

          memory/3496-38-0x0000000007BA0000-0x0000000007C36000-memory.dmp

          memory/3496-33-0x0000000004E70000-0x0000000004E80000-memory.dmp

          memory/3496-32-0x0000000004E70000-0x0000000004E80000-memory.dmp

          memory/3496-1-0x0000000004E80000-0x0000000004EB6000-memory.dmp

          memory/3496-2-0x0000000004E70000-0x0000000004E80000-memory.dmp

          memory/3496-36-0x00000000079F0000-0x0000000007A93000-memory.dmp

          memory/3496-37-0x0000000007AE0000-0x0000000007AEA000-memory.dmp

          memory/3544-215-0x0000000004E40000-0x0000000004E54000-memory.dmp

          memory/3544-198-0x00000000706A0000-0x00000000709F4000-memory.dmp

          memory/3544-197-0x000000006FE00000-0x000000006FE4C000-memory.dmp

          memory/4784-135-0x0000000005FC0000-0x0000000005FD4000-memory.dmp

          memory/4784-125-0x00000000705A0000-0x00000000708F4000-memory.dmp

          memory/4784-124-0x000000006FFA0000-0x000000006FFEC000-memory.dmp