Analysis

  • max time kernel
    150s
  • max time network
    153s
  • 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, 10:26

General

  • Target
    tmpnpubrevm.exe
  • Size 4.1MB
  • Sample260602-mg2dkacs6p
  • SHA256 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Glupteba

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

  • Glupteba payload 20 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\tmpnpubrevm.exe
    "C:\Users\Admin\AppData\Local\Temp\tmpnpubrevm.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4660
    • 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:3136
    • C:\Users\Admin\AppData\Local\Temp\tmpnpubrevm.exe
      "C:\Users\Admin\AppData\Local\Temp\tmpnpubrevm.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:4968
      • 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:4408
      • 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:4688
        • 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:3512
      • 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:1532
      • 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:1748
      • 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:3576
        • 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:4232
        • 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:2592
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:4736
          • 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:4056
          • 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:4004
          • 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:4948
          • 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:2240
    • 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:2524
      • 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:612
      • 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:700
        • 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:4228
    • 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:4412
      • 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:1492
      • 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:4256
        • 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:2000

    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 3594d3c4b1f881cd49c31ca8eb50121fe9bfb128a981e1649adb75afac412a2b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 21KB
          • SHA256 84a07b9d76aedcde5e1ed0af1abfa5250406a3695fb889904f0f7614bca3e7dc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          __PSScriptPolicyTest_yasq1m0u.1w2.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yasq1m0u.1w2.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 935e2312dd8ec93d85f33b099db28eaacd59e2b6c2c87a271631e73640abcc1f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 ee43012219fbd6e6fe43615d698e9b41c59beb8a9088aa11c6e624b0e1cf1c4f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 3ed5bf880d51061489be60217c011243f90deba3f4f1db9d3b4ecf7294d54a47
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 b8e953645da236d886c96f80cc0e88e339aecd741b69f0bf8e975ffe63f87a85
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 45404dc14fcdcb62316d4c875fbedc2cd643efe03866592e39560a0de745f031
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 38cad815c1c5393a933e7b3b588c38769ad4e4dbb30040df4212eb58e670c7a3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 70c2b0d18cba74a7687e3934c7d13fa29a6981333cc420ec81075f1b4ce6330c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          csrss.exe

          • Path C:\Windows\rss\csrss.exe
          • Size 4.1MB
          • SHA256 27f43c0cba4d8813a3c93021f76938916e4556a0c0806e48f4574a412df5c303
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/612-156-0x0000000070D00000-0x0000000071054000-memory.dmp

          memory/612-164-0x0000000005A30000-0x0000000005A44000-memory.dmp

          memory/612-155-0x0000000070450000-0x000000007049C000-memory.dmp

          memory/700-258-0x0000000000400000-0x0000000002F2E000-memory.dmp

          memory/1492-244-0x0000000006420000-0x0000000006434000-memory.dmp

          memory/1492-243-0x00000000063E0000-0x00000000063F1000-memory.dmp

          memory/1492-242-0x0000000007BE0000-0x0000000007C83000-memory.dmp

          memory/1492-234-0x0000000070CD0000-0x0000000071024000-memory.dmp

          memory/1492-232-0x0000000070550000-0x000000007059C000-memory.dmp

          memory/1532-75-0x0000000005D60000-0x00000000060B4000-memory.dmp

          memory/1532-84-0x0000000070550000-0x000000007059C000-memory.dmp

          memory/1532-85-0x0000000070CD0000-0x0000000071024000-memory.dmp

          memory/1748-103-0x0000000070550000-0x000000007059C000-memory.dmp

          memory/1748-104-0x0000000070CF0000-0x0000000071044000-memory.dmp

          memory/2000-269-0x0000000070CD0000-0x0000000071024000-memory.dmp

          memory/2000-268-0x0000000070550000-0x000000007059C000-memory.dmp

          memory/2524-185-0x0000000000400000-0x0000000002F2E000-memory.dmp

          memory/3136-39-0x0000000007DB0000-0x0000000007DBA000-memory.dmp

          memory/3136-6-0x0000000005E50000-0x0000000005E72000-memory.dmp

          memory/3136-3-0x00000000030A0000-0x00000000030B0000-memory.dmp

          memory/3136-4-0x0000000003100000-0x0000000003136000-memory.dmp

          memory/3136-5-0x00000000057E0000-0x0000000005E08000-memory.dmp

          memory/3136-7-0x0000000005EF0000-0x0000000005F56000-memory.dmp

          memory/3136-8-0x0000000005F60000-0x0000000005FC6000-memory.dmp

          memory/3136-16-0x0000000006090000-0x00000000063E4000-memory.dmp

          memory/3136-17-0x00000000066E0000-0x00000000066FE000-memory.dmp

          memory/3136-18-0x0000000006720000-0x000000000676C000-memory.dmp

          memory/3136-45-0x0000000007E60000-0x0000000007E68000-memory.dmp

          memory/3136-44-0x0000000007E70000-0x0000000007E8A000-memory.dmp

          memory/3136-43-0x0000000007E20000-0x0000000007E34000-memory.dmp

          memory/3136-42-0x0000000007E00000-0x0000000007E0E000-memory.dmp

          memory/3136-41-0x0000000007DC0000-0x0000000007DD1000-memory.dmp

          memory/3136-40-0x0000000007EC0000-0x0000000007F56000-memory.dmp

          memory/3136-19-0x0000000006C50000-0x0000000006C94000-memory.dmp

          memory/3136-20-0x0000000007A10000-0x0000000007A86000-memory.dmp

          memory/3136-38-0x0000000007CC0000-0x0000000007D63000-memory.dmp

          memory/3136-37-0x0000000007CA0000-0x0000000007CBE000-memory.dmp

          memory/3136-21-0x0000000008110000-0x000000000878A000-memory.dmp

          memory/3136-22-0x0000000007AB0000-0x0000000007ACA000-memory.dmp

          memory/3136-32-0x00000000030A0000-0x00000000030B0000-memory.dmp

          memory/3136-23-0x000000007F290000-0x000000007F2A0000-memory.dmp

          memory/3136-33-0x00000000030A0000-0x00000000030B0000-memory.dmp

          memory/3136-24-0x0000000007C60000-0x0000000007C92000-memory.dmp

          memory/3136-25-0x0000000070550000-0x000000007059C000-memory.dmp

          memory/3136-26-0x00000000706D0000-0x0000000070A24000-memory.dmp

          memory/3136-34-0x00000000030A0000-0x00000000030B0000-memory.dmp

          memory/3576-278-0x0000000000400000-0x0000000002F2E000-memory.dmp

          memory/3576-283-0x0000000000400000-0x0000000002F2E000-memory.dmp

          memory/3576-288-0x0000000000400000-0x0000000002F2E000-memory.dmp

          memory/3576-293-0x0000000000400000-0x0000000002F2E000-memory.dmp

          memory/3576-298-0x0000000000400000-0x0000000002F2E000-memory.dmp

          memory/3576-303-0x0000000000400000-0x0000000002F2E000-memory.dmp

          memory/3576-308-0x0000000000400000-0x0000000002F2E000-memory.dmp

          memory/3576-313-0x0000000000400000-0x0000000002F2E000-memory.dmp

          memory/3576-318-0x0000000000400000-0x0000000002F2E000-memory.dmp

          memory/3576-328-0x0000000000400000-0x0000000002F2E000-memory.dmp

          memory/3576-195-0x0000000000400000-0x0000000002F2E000-memory.dmp

          memory/3576-323-0x0000000000400000-0x0000000002F2E000-memory.dmp

          memory/4004-207-0x0000000007C10000-0x0000000007C21000-memory.dmp

          memory/4004-198-0x0000000070CD0000-0x0000000071024000-memory.dmp

          memory/4004-208-0x00000000064B0000-0x00000000064C4000-memory.dmp

          memory/4004-197-0x0000000070550000-0x000000007059C000-memory.dmp

          memory/4004-206-0x00000000078F0000-0x0000000007993000-memory.dmp

          memory/4056-175-0x0000000070D00000-0x0000000071054000-memory.dmp

          memory/4056-174-0x0000000070450000-0x000000007049C000-memory.dmp

          memory/4228-246-0x0000000070550000-0x000000007059C000-memory.dmp

          memory/4228-247-0x0000000070CD0000-0x0000000071024000-memory.dmp

          memory/4232-129-0x0000000005A90000-0x0000000005DE4000-memory.dmp

          memory/4232-142-0x0000000070D00000-0x0000000071054000-memory.dmp

          memory/4232-150-0x0000000007220000-0x00000000072C3000-memory.dmp

          memory/4232-131-0x0000000006520000-0x000000000656C000-memory.dmp

          memory/4232-152-0x00000000059E0000-0x00000000059F1000-memory.dmp

          memory/4232-141-0x0000000070450000-0x000000007049C000-memory.dmp

          memory/4232-153-0x0000000005A30000-0x0000000005A44000-memory.dmp

          memory/4256-280-0x0000000000400000-0x0000000002F2E000-memory.dmp

          memory/4408-69-0x0000000007530000-0x00000000075D3000-memory.dmp

          memory/4408-71-0x0000000007870000-0x0000000007884000-memory.dmp

          memory/4408-70-0x0000000007820000-0x0000000007831000-memory.dmp

          memory/4408-56-0x0000000005CA0000-0x0000000005FF4000-memory.dmp

          memory/4408-61-0x0000000070CF0000-0x0000000071044000-memory.dmp

          memory/4408-60-0x0000000070550000-0x000000007059C000-memory.dmp

          memory/4412-257-0x0000000000400000-0x0000000002F2E000-memory.dmp

          memory/4660-48-0x0000000004CC0000-0x00000000050BB000-memory.dmp

          memory/4660-59-0x0000000000400000-0x0000000002F2E000-memory.dmp

          memory/4660-49-0x00000000050C0000-0x00000000059AB000-memory.dmp

          memory/4660-2-0x00000000050C0000-0x00000000059AB000-memory.dmp

          memory/4660-1-0x0000000004CC0000-0x00000000050BB000-memory.dmp

          memory/4968-102-0x0000000000400000-0x0000000002F2E000-memory.dmp

          memory/4968-117-0x0000000000400000-0x0000000002F2E000-memory.dmp