Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    22/05/2026, 21:58

General

  • Target
    tmprgo6xq4g.exe
  • Size 9.1MB
  • Sample260522-1vxjeshy4x
  • SHA256 d787ebd2a6568778e6715f1cd0f28ef46dd5f2e81ecd67347ab4f667d12605a1
  • 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\tmprgo6xq4g.exe
    "C:\Users\Admin\AppData\Local\Temp\tmprgo6xq4g.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:2836
    • C:\Users\Admin\AppData\Local\Temp\tmprgo6xq4g.exe
      "C:\Users\Admin\AppData\Local\Temp\tmprgo6xq4g.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:1892
      • 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:5012
      • 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:3896
        • 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:3716
      • 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:232
      • 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:4896
      • 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:2860
        • 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:4648
        • 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:1836
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:5008
          • 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:3984
          • 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:576
          • 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:1252
          • 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:4848
    • 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:784
      • 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:4556
      • 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:4320
        • 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:2504
    • 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:2248
      • 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:3964
      • 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:3212
        • 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:2696

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          StartupProfileData-Interactive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 20KB
          • SHA256 fe00b838716a0c2c6f0d38adc76f6c2025493c6e2e981745448bc7785abc5e3d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 20KB
          • SHA256 27647e5e982ac37756e2052020f678b2d3ac4ae229d237c0ffaf89cb9146e842
          • MD5 SHA1 SHA512 SSDEEP TLSH

          __PSScriptPolicyTest_q44ynldb.awk.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_q44ynldb.awk.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 9600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 5e7998963b0599cf73a17c411e04ab91a7bcb11acb3f75effccd77d8cc9db3f4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 5ffc0b60223a26cb74eb03cb584bbb121eff8073c38e96bd964aa428a21dcf42
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 7e10dfce4bb20b5edea8a5b2bdf7e0ed34debcd5ddd26782450bb3ac64168f95
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 07990fa69309f81d6eee31100c0244f898b01518b3db68ad49c9c77336902e5d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 0d4ebde29e89323ed7b7fa430bc0b35c3f8cf8867ceb8374722247718a379dec
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 c4e9eb63563edd7fca26e25c9db34969980af9ed36c664b0588d66226b75b563
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 00008addf0d640a9a921c903f5d4182c612aa0750efc04b88774b582f567b77b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          csrss.exe

          • Path C:\Windows\rss\csrss.exe
          • Size 9.1MB
          • SHA256 d787ebd2a6568778e6715f1cd0f28ef46dd5f2e81ecd67347ab4f667d12605a1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/232-71-0x0000000005A30000-0x0000000005D87000-memory.dmp

          memory/232-74-0x0000000070DB0000-0x0000000071107000-memory.dmp

          memory/232-73-0x0000000070C30000-0x0000000070C7C000-memory.dmp

          memory/576-201-0x0000000070B90000-0x0000000070BDC000-memory.dmp

          memory/576-202-0x00000000714D0000-0x0000000071827000-memory.dmp

          memory/2504-190-0x0000000070B90000-0x0000000070BDC000-memory.dmp

          memory/2504-191-0x00000000714D0000-0x0000000071827000-memory.dmp

          memory/2696-216-0x0000000070B90000-0x0000000070BDC000-memory.dmp

          memory/2696-217-0x00000000714D0000-0x0000000071827000-memory.dmp

          memory/2836-28-0x0000000002AB0000-0x0000000002AC0000-memory.dmp

          memory/2836-31-0x0000000007390000-0x0000000007434000-memory.dmp

          memory/2836-35-0x0000000007600000-0x0000000007696000-memory.dmp

          memory/2836-36-0x0000000007520000-0x0000000007531000-memory.dmp

          memory/2836-37-0x0000000007560000-0x000000000756E000-memory.dmp

          memory/2836-38-0x0000000007570000-0x0000000007585000-memory.dmp

          memory/2836-39-0x00000000075C0000-0x00000000075DA000-memory.dmp

          memory/2836-40-0x00000000075E0000-0x00000000075E8000-memory.dmp

          memory/2836-1-0x0000000002A30000-0x0000000002A66000-memory.dmp

          memory/2836-2-0x0000000002AB0000-0x0000000002AC0000-memory.dmp

          memory/2836-3-0x00000000051B0000-0x00000000057DA000-memory.dmp

          memory/2836-4-0x0000000005060000-0x0000000005082000-memory.dmp

          memory/2836-5-0x0000000005100000-0x0000000005166000-memory.dmp

          memory/2836-6-0x00000000057E0000-0x0000000005846000-memory.dmp

          memory/2836-13-0x0000000005B10000-0x0000000005E67000-memory.dmp

          memory/2836-32-0x0000000007B00000-0x000000000817A000-memory.dmp

          memory/2836-33-0x00000000074B0000-0x00000000074CA000-memory.dmp

          memory/2836-27-0x0000000007370000-0x000000000738E000-memory.dmp

          memory/2836-0-0x0000000002AB0000-0x0000000002AC0000-memory.dmp

          memory/2836-18-0x0000000007330000-0x0000000007364000-memory.dmp

          memory/2836-14-0x0000000005F10000-0x0000000005F2E000-memory.dmp

          memory/2836-29-0x0000000002AB0000-0x0000000002AC0000-memory.dmp

          memory/2836-15-0x0000000005FB0000-0x0000000005FFC000-memory.dmp

          memory/2836-16-0x0000000006300000-0x0000000006346000-memory.dmp

          memory/2836-30-0x0000000002AB0000-0x0000000002AC0000-memory.dmp

          memory/2836-20-0x0000000070CA0000-0x0000000070FF7000-memory.dmp

          memory/2836-19-0x0000000070B20000-0x0000000070B6C000-memory.dmp

          memory/2836-34-0x00000000074F0000-0x00000000074FA000-memory.dmp

          memory/2836-17-0x000000007F9B0000-0x000000007F9C0000-memory.dmp

          memory/3964-176-0x00000000714D0000-0x0000000071827000-memory.dmp

          memory/3964-175-0x0000000070B90000-0x0000000070BDC000-memory.dmp

          memory/3984-168-0x0000000005D80000-0x0000000005D95000-memory.dmp

          memory/3984-151-0x0000000070B90000-0x0000000070BDC000-memory.dmp

          memory/3984-152-0x00000000714D0000-0x0000000071827000-memory.dmp

          memory/4556-133-0x0000000070B90000-0x0000000070BDC000-memory.dmp

          memory/4556-134-0x00000000714D0000-0x0000000071827000-memory.dmp

          memory/4556-141-0x00000000075F0000-0x0000000007601000-memory.dmp

          memory/4556-148-0x0000000005980000-0x0000000005995000-memory.dmp

          memory/4648-111-0x0000000006600000-0x000000000664C000-memory.dmp

          memory/4648-131-0x0000000005F70000-0x0000000005F85000-memory.dmp

          memory/4648-130-0x0000000007760000-0x0000000007771000-memory.dmp

          memory/4648-122-0x0000000007410000-0x00000000074B4000-memory.dmp

          memory/4648-114-0x00000000714D0000-0x0000000071827000-memory.dmp

          memory/4648-113-0x0000000070B90000-0x0000000070BDC000-memory.dmp

          memory/4648-109-0x0000000005BD0000-0x0000000005F27000-memory.dmp

          memory/4896-91-0x0000000070E30000-0x0000000071187000-memory.dmp

          memory/4896-90-0x0000000070C30000-0x0000000070C7C000-memory.dmp

          memory/4896-88-0x0000000005850000-0x0000000005BA7000-memory.dmp

          memory/5012-61-0x00000000078F0000-0x0000000007905000-memory.dmp

          memory/5012-60-0x00000000078A0000-0x00000000078B1000-memory.dmp

          memory/5012-59-0x0000000007560000-0x0000000007604000-memory.dmp

          memory/5012-51-0x0000000070C30000-0x0000000070C7C000-memory.dmp

          memory/5012-52-0x0000000070E70000-0x00000000711C7000-memory.dmp

          memory/5012-50-0x00000000063A0000-0x00000000063EC000-memory.dmp

          memory/5012-49-0x0000000005E00000-0x0000000006157000-memory.dmp