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
    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 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\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:2944
    • 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:1508
      • 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:2812
      • 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:5160
        • 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:2924
      • 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:3600
      • 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:568
      • 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:5624
        • 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:2252
        • 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:6080
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:4184
          • 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:5900
          • 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:1020
          • 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:676
          • 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: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:5876
      • 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:\Windows\rss\csrss.exe
        "C:\Windows\rss\csrss.exe"
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2792
        • 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:1272
    • 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:6124
      • 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:4056
      • 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:1648
        • 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:2532

    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 9600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-Interactive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 20KB
          • SHA256 30bbd98cab787aab1f903cd488bc05cabf9e59554ae2a2e91249255baecf8636
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 20KB
          • SHA256 d5fbf9677412012235e167d9d859a50cea48f6e05d2cdba532893143cbc0ebb4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          __PSScriptPolicyTest_shmkruzw.5hi.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_shmkruzw.5hi.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 e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 92ad58f8fd26d2012511d1b8179c30a19c3357f1f8a15d1deb4e0e87a30b63d6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 61346377a19a0839c7f9b717ea490a2cbfd051e47855005dee320c3afd388734
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 0b6c135e82d28e6350cf88c51ef08deb0e810c74bb954f4a1d97691a7e9e7cea
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 d91b3117ecf74bcfce194b80621a5972a9d1ef1ca19e5ee4c69735a64a1611a2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 793B
          • SHA256 37d9cac2141e5b202eca8e7d0df5bf1a53d97294580c461e6609d17f0eb8dbdc
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 befb044becda32ba1c4d24d9d10e4bb49a2bf5367a4abc35c8aa094d3c43a9fe
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 9b5e8dae5bd1b3831a9ca3dd56e599101caf2f4f1aaad95e45b3e2cc35ea3582
          • MD5 SHA1 SHA512 SSDEEP TLSH

          csrss.exe

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

          memory/568-88-0x0000000070C90000-0x0000000070CDC000-memory.dmp

          memory/568-89-0x0000000070E10000-0x0000000071167000-memory.dmp

          memory/1020-211-0x0000000006180000-0x0000000006195000-memory.dmp

          memory/1020-201-0x0000000070BF0000-0x0000000070C3C000-memory.dmp

          memory/1020-202-0x0000000071530000-0x0000000071887000-memory.dmp

          memory/1208-129-0x0000000070BF0000-0x0000000070C3C000-memory.dmp

          memory/1208-130-0x0000000071530000-0x0000000071887000-memory.dmp

          memory/1208-139-0x0000000005C10000-0x0000000005C25000-memory.dmp

          memory/1272-174-0x0000000070BF0000-0x0000000070C3C000-memory.dmp

          memory/1272-175-0x0000000071530000-0x0000000071887000-memory.dmp

          memory/2252-108-0x0000000005E60000-0x00000000061B7000-memory.dmp

          memory/2252-128-0x0000000007A10000-0x0000000007A21000-memory.dmp

          memory/2252-120-0x0000000071530000-0x0000000071887000-memory.dmp

          memory/2252-127-0x0000000007690000-0x0000000007734000-memory.dmp

          memory/2252-137-0x0000000006220000-0x0000000006235000-memory.dmp

          memory/2252-111-0x0000000006980000-0x00000000069CC000-memory.dmp

          memory/2252-119-0x0000000070BF0000-0x0000000070C3C000-memory.dmp

          memory/2532-221-0x0000000071530000-0x0000000071887000-memory.dmp

          memory/2532-233-0x0000000005970000-0x0000000005985000-memory.dmp

          memory/2532-220-0x0000000070BF0000-0x0000000070C3C000-memory.dmp

          memory/2532-228-0x0000000007120000-0x0000000007131000-memory.dmp

          memory/2812-59-0x00000000073F0000-0x0000000007401000-memory.dmp

          memory/2812-48-0x0000000005A40000-0x0000000005D97000-memory.dmp

          memory/2812-58-0x00000000070D0000-0x0000000007174000-memory.dmp

          memory/2812-51-0x0000000070E10000-0x0000000071167000-memory.dmp

          memory/2812-60-0x0000000007440000-0x0000000007455000-memory.dmp

          memory/2812-50-0x0000000070C90000-0x0000000070CDC000-memory.dmp

          memory/2812-49-0x0000000005F20000-0x0000000005F6C000-memory.dmp

          memory/2944-26-0x00000000074A0000-0x00000000074BE000-memory.dmp

          memory/2944-30-0x00000000074C0000-0x0000000007564000-memory.dmp

          memory/2944-38-0x0000000007700000-0x000000000771A000-memory.dmp

          memory/2944-37-0x00000000076B0000-0x00000000076C5000-memory.dmp

          memory/2944-36-0x00000000076A0000-0x00000000076AE000-memory.dmp

          memory/2944-35-0x0000000007650000-0x0000000007661000-memory.dmp

          memory/2944-34-0x0000000007740000-0x00000000077D6000-memory.dmp

          memory/2944-33-0x0000000007630000-0x000000000763A000-memory.dmp

          memory/2944-32-0x00000000075F0000-0x000000000760A000-memory.dmp

          memory/2944-31-0x0000000007C30000-0x00000000082AA000-memory.dmp

          memory/2944-0-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          memory/2944-27-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          memory/2944-29-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          memory/2944-39-0x00000000076F0000-0x00000000076F8000-memory.dmp

          memory/2944-28-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          memory/2944-18-0x0000000070B80000-0x0000000070BCC000-memory.dmp

          memory/2944-19-0x0000000070D00000-0x0000000071057000-memory.dmp

          memory/2944-17-0x0000000007460000-0x0000000007494000-memory.dmp

          memory/2944-16-0x000000007F110000-0x000000007F120000-memory.dmp

          memory/2944-15-0x00000000065B0000-0x00000000065F6000-memory.dmp

          memory/2944-14-0x0000000006080000-0x00000000060CC000-memory.dmp

          memory/2944-13-0x0000000006030000-0x000000000604E000-memory.dmp

          memory/2944-12-0x0000000005B60000-0x0000000005EB7000-memory.dmp

          memory/2944-5-0x0000000005A00000-0x0000000005A66000-memory.dmp

          memory/2944-4-0x0000000005990000-0x00000000059F6000-memory.dmp

          memory/2944-3-0x0000000005170000-0x0000000005192000-memory.dmp

          memory/2944-2-0x00000000052F0000-0x000000000591A000-memory.dmp

          memory/2944-1-0x0000000002B50000-0x0000000002B86000-memory.dmp

          memory/3600-72-0x0000000070C90000-0x0000000070CDC000-memory.dmp

          memory/3600-73-0x0000000070EE0000-0x0000000071237000-memory.dmp

          memory/3600-70-0x00000000059E0000-0x0000000005D37000-memory.dmp

          memory/4056-200-0x0000000005990000-0x00000000059A5000-memory.dmp

          memory/4056-199-0x0000000005950000-0x0000000005961000-memory.dmp

          memory/4056-190-0x0000000070BF0000-0x0000000070C3C000-memory.dmp

          memory/4056-191-0x0000000071530000-0x0000000071887000-memory.dmp

          memory/5900-172-0x0000000005B40000-0x0000000005B55000-memory.dmp

          memory/5900-165-0x0000000007170000-0x0000000007181000-memory.dmp

          memory/5900-150-0x0000000070BF0000-0x0000000070C3C000-memory.dmp

          memory/5900-158-0x0000000006FC0000-0x0000000007064000-memory.dmp

          memory/5900-151-0x0000000071530000-0x0000000071887000-memory.dmp