Analysis

  • max time kernel
    150s
  • 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
    22/05/2026, 21:40

General

  • Target
    tmpz72uqk35.exe
  • Size 9.1MB
  • Sample260522-1jdl6shw9s
  • SHA256 6b03bb79a0dc335e541567ae09f7cc689c10915a3f49aebacfb7301d1bc4ad4b
  • 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\tmpz72uqk35.exe
    "C:\Users\Admin\AppData\Local\Temp\tmpz72uqk35.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2780
    • 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:1208
    • C:\Users\Admin\AppData\Local\Temp\tmpz72uqk35.exe
      "C:\Users\Admin\AppData\Local\Temp\tmpz72uqk35.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:4220
      • 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:4728
      • 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:4684
        • 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:1720
      • 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:2240
      • 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:2872
      • 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:4008
        • 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:4504
        • 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:2696
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:2808
          • 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:4280
          • 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:4204
          • 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:3064
          • 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:4132
    • 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:4344
      • 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:4464
      • 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:4064
        • 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:4428
    • 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:1332
      • 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:944
      • 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:4276
        • 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:2596

    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 8341375685b4e36b0cb56da77bcd6b5f2550a66e1eaeeb3f3c5748e39b00abdb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 21KB
          • SHA256 e856b2f8a05bd24006ba14b8ac94cd5eaa703e551a45da603a2205637d49929f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          __PSScriptPolicyTest_jknawoyj.5aw.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jknawoyj.5aw.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 ad7cae2b22044282733b722d8d763d92c4c7ea5697bfa3ad872637ed44f667c5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 5579821e7f57971cf992e965e4b04e4ffcdf6bb523bd9fd4986a275c6e74c710
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 8e59134a26ecd496a9e1698cb85e4b1dc5c10d7f14c2519ee0b16e8fe26da7e2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 e18b88ddd6d90c121091734cf58aa5778e8222c47258986d046471dc1a9f58f2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 d41513b58e19aa6f8764218bb8d21e41bbd2ac21846c1828bf17d8d6a12ba96d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 18873639b930be4086947411204ca0f3a4d021459c5f7ee2dd50e3b9b7e7ff56
          • MD5 SHA1 SHA512 SSDEEP TLSH

          csrss.exe

          • Path C:\Windows\rss\csrss.exe
          • Size 9.1MB
          • SHA256 6b03bb79a0dc335e541567ae09f7cc689c10915a3f49aebacfb7301d1bc4ad4b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/944-214-0x00000000712D0000-0x0000000071624000-memory.dmp

          memory/944-213-0x0000000071150000-0x000000007119C000-memory.dmp

          memory/1208-37-0x0000000007380000-0x000000000738A000-memory.dmp

          memory/1208-15-0x0000000005CB0000-0x0000000005CCE000-memory.dmp

          memory/1208-21-0x000000007FC30000-0x000000007FC40000-memory.dmp

          memory/1208-22-0x0000000007240000-0x0000000007272000-memory.dmp

          memory/1208-23-0x0000000070AE0000-0x0000000070B2C000-memory.dmp

          memory/1208-24-0x0000000071200000-0x0000000071554000-memory.dmp

          memory/1208-34-0x00000000026A0000-0x00000000026B0000-memory.dmp

          memory/1208-33-0x00000000026A0000-0x00000000026B0000-memory.dmp

          memory/1208-32-0x0000000007280000-0x000000000729E000-memory.dmp

          memory/1208-36-0x00000000072A0000-0x0000000007343000-memory.dmp

          memory/1208-35-0x00000000026A0000-0x00000000026B0000-memory.dmp

          memory/1208-19-0x00000000074D0000-0x0000000007B4A000-memory.dmp

          memory/1208-38-0x0000000007B50000-0x0000000007BE6000-memory.dmp

          memory/1208-39-0x00000000073A0000-0x00000000073B1000-memory.dmp

          memory/1208-40-0x00000000073E0000-0x00000000073EE000-memory.dmp

          memory/1208-41-0x00000000073F0000-0x0000000007404000-memory.dmp

          memory/1208-42-0x0000000007430000-0x000000000744A000-memory.dmp

          memory/1208-43-0x0000000007420000-0x0000000007428000-memory.dmp

          memory/1208-0-0x00000000026A0000-0x00000000026B0000-memory.dmp

          memory/1208-1-0x00000000026F0000-0x0000000002726000-memory.dmp

          memory/1208-2-0x00000000026A0000-0x00000000026B0000-memory.dmp

          memory/1208-3-0x0000000004F50000-0x0000000005578000-memory.dmp

          memory/1208-18-0x0000000006DD0000-0x0000000006E46000-memory.dmp

          memory/1208-4-0x0000000004CD0000-0x0000000004CF2000-memory.dmp

          memory/1208-5-0x0000000004D70000-0x0000000004DD6000-memory.dmp

          memory/1208-17-0x0000000006210000-0x0000000006254000-memory.dmp

          memory/1208-6-0x0000000005580000-0x00000000055E6000-memory.dmp

          memory/1208-16-0x0000000005CF0000-0x0000000005D3C000-memory.dmp

          memory/1208-20-0x0000000006E70000-0x0000000006E8A000-memory.dmp

          memory/1208-14-0x0000000005670000-0x00000000059C4000-memory.dmp

          memory/2240-80-0x0000000070FC0000-0x0000000071314000-memory.dmp

          memory/2240-79-0x0000000070BE0000-0x0000000070C2C000-memory.dmp

          memory/2240-77-0x0000000006330000-0x0000000006684000-memory.dmp

          memory/2596-245-0x0000000070970000-0x00000000709BC000-memory.dmp

          memory/2596-254-0x0000000007BB0000-0x0000000007C53000-memory.dmp

          memory/2596-244-0x00000000069A0000-0x00000000069EC000-memory.dmp

          memory/2596-246-0x0000000070F20000-0x0000000071274000-memory.dmp

          memory/2596-242-0x00000000062D0000-0x0000000006624000-memory.dmp

          memory/2596-260-0x0000000007ED0000-0x0000000007EE1000-memory.dmp

          memory/2596-261-0x0000000006760000-0x0000000006774000-memory.dmp

          memory/2872-99-0x0000000070D60000-0x00000000710B4000-memory.dmp

          memory/2872-98-0x0000000070BE0000-0x0000000070C2C000-memory.dmp

          memory/2872-96-0x00000000056D0000-0x0000000005A24000-memory.dmp

          memory/4204-223-0x00000000712D0000-0x0000000071624000-memory.dmp

          memory/4204-222-0x0000000071150000-0x000000007119C000-memory.dmp

          memory/4280-181-0x0000000007A20000-0x0000000007AC3000-memory.dmp

          memory/4280-173-0x00000000712D0000-0x0000000071624000-memory.dmp

          memory/4280-183-0x0000000007DB0000-0x0000000007DC1000-memory.dmp

          memory/4280-184-0x00000000065E0000-0x00000000065F4000-memory.dmp

          memory/4280-164-0x0000000006830000-0x000000000687C000-memory.dmp

          memory/4280-172-0x0000000071150000-0x000000007119C000-memory.dmp

          memory/4428-185-0x0000000071150000-0x000000007119C000-memory.dmp

          memory/4428-186-0x00000000712D0000-0x0000000071624000-memory.dmp

          memory/4428-210-0x0000000006340000-0x0000000006354000-memory.dmp

          memory/4464-144-0x00000000712D0000-0x0000000071624000-memory.dmp

          memory/4464-143-0x0000000070B40000-0x0000000070B8C000-memory.dmp

          memory/4504-142-0x0000000007B80000-0x0000000007B91000-memory.dmp

          memory/4504-141-0x0000000007800000-0x00000000078A3000-memory.dmp

          memory/4504-133-0x00000000712D0000-0x0000000071624000-memory.dmp

          memory/4504-123-0x0000000006B00000-0x0000000006B4C000-memory.dmp

          memory/4504-113-0x0000000005F80000-0x00000000062D4000-memory.dmp

          memory/4504-132-0x0000000070B40000-0x0000000070B8C000-memory.dmp

          memory/4504-152-0x00000000057C0000-0x00000000057D4000-memory.dmp

          memory/4728-55-0x0000000070BE0000-0x0000000070C2C000-memory.dmp

          memory/4728-54-0x0000000005E30000-0x0000000005E7C000-memory.dmp

          memory/4728-53-0x00000000057A0000-0x0000000005AF4000-memory.dmp

          memory/4728-56-0x0000000071370000-0x00000000716C4000-memory.dmp

          memory/4728-64-0x0000000006FE0000-0x0000000007083000-memory.dmp

          memory/4728-65-0x00000000072F0000-0x0000000007301000-memory.dmp

          memory/4728-66-0x0000000007340000-0x0000000007354000-memory.dmp