Analysis

  • max time kernel
    148s
  • max time network
    150s
  • 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, 10:03

General

  • Target
    tmpbtunf0vk.exe
  • Size 9.1MB
  • Sample260602-l3vbpsax4w
  • SHA256 ce73f5d8a0d9382c0a1eee6acf7db89183ae009c5a472edcefa950ae2dfc063e
  • 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\tmpbtunf0vk.exe
    "C:\Users\Admin\AppData\Local\Temp\tmpbtunf0vk.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2568
    • 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:1692
    • C:\Users\Admin\AppData\Local\Temp\tmpbtunf0vk.exe
      "C:\Users\Admin\AppData\Local\Temp\tmpbtunf0vk.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:1296
      • 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:4036
      • 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:4624
        • 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:468
      • 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:2716
      • 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:2100
      • 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:4232
        • 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:2368
        • 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:3808
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:3916
          • 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:1624
          • 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:4672
          • 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:1868
          • 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:1112
    • 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:4752
      • 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:2164
      • 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:540
        • 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:2412
    • 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:2308
      • 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:1468
      • 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:4596
        • 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

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          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 bc78fb1c8e39c15b37e29914763f87bea31767e436c2a627bcd7f8449ba1ff69
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 21KB
          • SHA256 501847379b7b4b9746cc1b1566d983dcc76f94302d817d124d97260cedf3c747
          • MD5 SHA1 SHA512 SSDEEP TLSH

          __PSScriptPolicyTest_vlf5dkxt.hbj.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vlf5dkxt.hbj.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 ff391a3b3031ba4fff90317d9fb1c45e987181962d762d469c64d4e04dd074af
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 3b4af2932fdedaf2cece8d5b873c8144cbc393e558c3d3be6250c6e56e334849
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 ed9e231276c87855b295570755d5935f7e1440b582d468682b27c247b57a1d0b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 05f570571d655206bbe92e2b8043d5da06921784b6901fcc3f65798d8ea258e8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 31e4c235a432644926edd994c7727d5f1cff96cc5d9b1a735f202ae102e5bc0c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 f39e65c3664d044e57a755c0fff684865abd1b831d3c96348bd7d3886faa7986
          • MD5 SHA1 SHA512 SSDEEP TLSH

          csrss.exe

          • Path C:\Windows\rss\csrss.exe
          • Size 9.1MB
          • SHA256 ce73f5d8a0d9382c0a1eee6acf7db89183ae009c5a472edcefa950ae2dfc063e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1468-224-0x0000000005F90000-0x0000000005FA1000-memory.dmp

          memory/1468-214-0x0000000070D60000-0x0000000070DAC000-memory.dmp

          memory/1468-223-0x0000000007790000-0x0000000007833000-memory.dmp

          memory/1468-215-0x0000000070900000-0x0000000070C54000-memory.dmp

          memory/1468-225-0x0000000005FD0000-0x0000000005FE4000-memory.dmp

          memory/1624-184-0x0000000006520000-0x0000000006531000-memory.dmp

          memory/1624-163-0x00000000061B0000-0x0000000006504000-memory.dmp

          memory/1624-165-0x0000000006750000-0x000000000679C000-memory.dmp

          memory/1624-174-0x0000000070D60000-0x0000000070DAC000-memory.dmp

          memory/1624-175-0x0000000070900000-0x0000000070C54000-memory.dmp

          memory/1624-183-0x0000000007960000-0x0000000007A03000-memory.dmp

          memory/1624-202-0x0000000006560000-0x0000000006574000-memory.dmp

          memory/1692-33-0x00000000048F0000-0x0000000004900000-memory.dmp

          memory/1692-32-0x00000000048F0000-0x0000000004900000-memory.dmp

          memory/1692-40-0x00000000074C0000-0x00000000074CE000-memory.dmp

          memory/1692-41-0x00000000074D0000-0x00000000074E4000-memory.dmp

          memory/1692-42-0x00000000075C0000-0x00000000075DA000-memory.dmp

          memory/1692-43-0x0000000007510000-0x0000000007518000-memory.dmp

          memory/1692-1-0x00000000047E0000-0x0000000004816000-memory.dmp

          memory/1692-2-0x00000000048F0000-0x0000000004900000-memory.dmp

          memory/1692-3-0x0000000004F30000-0x0000000005558000-memory.dmp

          memory/1692-4-0x0000000004DE0000-0x0000000004E02000-memory.dmp

          memory/1692-5-0x0000000004E80000-0x0000000004EE6000-memory.dmp

          memory/1692-6-0x00000000056A0000-0x0000000005706000-memory.dmp

          memory/1692-14-0x0000000005870000-0x0000000005BC4000-memory.dmp

          memory/1692-38-0x0000000007520000-0x00000000075B6000-memory.dmp

          memory/1692-37-0x0000000007460000-0x000000000746A000-memory.dmp

          memory/1692-15-0x0000000005D70000-0x0000000005D8E000-memory.dmp

          memory/1692-16-0x0000000005E30000-0x0000000005E7C000-memory.dmp

          memory/1692-39-0x0000000007480000-0x0000000007491000-memory.dmp

          memory/1692-36-0x0000000007370000-0x0000000007413000-memory.dmp

          memory/1692-18-0x0000000007170000-0x00000000071E6000-memory.dmp

          memory/1692-19-0x0000000007870000-0x0000000007EEA000-memory.dmp

          memory/1692-17-0x0000000006180000-0x00000000061C4000-memory.dmp

          memory/1692-20-0x00000000063E0000-0x00000000063FA000-memory.dmp

          memory/1692-0-0x00000000048F0000-0x0000000004900000-memory.dmp

          memory/1692-21-0x000000007FAB0000-0x000000007FAC0000-memory.dmp

          memory/1692-35-0x0000000007350000-0x000000000736E000-memory.dmp

          memory/1692-34-0x00000000048F0000-0x0000000004900000-memory.dmp

          memory/1692-22-0x0000000007310000-0x0000000007342000-memory.dmp

          memory/1692-23-0x0000000070B70000-0x0000000070BBC000-memory.dmp

          memory/1692-24-0x0000000070CF0000-0x0000000071044000-memory.dmp

          memory/2100-98-0x0000000070DF0000-0x0000000071144000-memory.dmp

          memory/2100-95-0x00000000063E0000-0x0000000006734000-memory.dmp

          memory/2100-97-0x0000000070C70000-0x0000000070CBC000-memory.dmp

          memory/2164-142-0x0000000070D00000-0x0000000070D4C000-memory.dmp

          memory/2164-143-0x0000000070D50000-0x00000000710A4000-memory.dmp

          memory/2164-153-0x00000000062A0000-0x00000000062B4000-memory.dmp

          memory/2368-132-0x0000000070D50000-0x00000000710A4000-memory.dmp

          memory/2368-131-0x0000000070D00000-0x0000000070D4C000-memory.dmp

          memory/2368-121-0x00000000066C0000-0x000000000670C000-memory.dmp

          memory/2368-119-0x0000000006240000-0x0000000006594000-memory.dmp

          memory/2368-141-0x0000000006010000-0x0000000006021000-memory.dmp

          memory/2368-140-0x00000000078C0000-0x0000000007963000-memory.dmp

          memory/2368-151-0x0000000006050000-0x0000000006064000-memory.dmp

          memory/2412-185-0x0000000070D60000-0x0000000070DAC000-memory.dmp

          memory/2412-191-0x0000000070900000-0x0000000070C54000-memory.dmp

          memory/2716-79-0x0000000071400000-0x0000000071754000-memory.dmp

          memory/2716-78-0x0000000070C70000-0x0000000070CBC000-memory.dmp

          memory/4036-56-0x0000000071400000-0x0000000071754000-memory.dmp

          memory/4036-65-0x0000000007870000-0x0000000007881000-memory.dmp

          memory/4036-64-0x0000000007530000-0x00000000075D3000-memory.dmp

          memory/4036-66-0x00000000078C0000-0x00000000078D4000-memory.dmp

          memory/4036-55-0x0000000070C70000-0x0000000070CBC000-memory.dmp

          memory/4036-54-0x00000000063B0000-0x00000000063FC000-memory.dmp

          memory/4036-46-0x0000000005D10000-0x0000000006064000-memory.dmp

          memory/4228-245-0x0000000070D60000-0x0000000070DAC000-memory.dmp

          memory/4228-246-0x0000000070900000-0x0000000070C54000-memory.dmp

          memory/4228-254-0x0000000006F60000-0x0000000007003000-memory.dmp

          memory/4672-226-0x0000000070D60000-0x0000000070DAC000-memory.dmp

          memory/4672-227-0x0000000070900000-0x0000000070C54000-memory.dmp