Analysis

  • max time kernel
    150s
  • max time network
    141s
  • 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, 10:02

General

  • Target
    tmptixbqev1.exe
  • Size 9.1MB
  • Sample260602-l2vwvaby6l
  • SHA256 98577c1cc4f73ba7af6cb130b593d3b984ee019779aae5cad3e867cb490ada38
  • 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\tmptixbqev1.exe
    "C:\Users\Admin\AppData\Local\Temp\tmptixbqev1.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2456
    • 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:2672
    • C:\Users\Admin\AppData\Local\Temp\tmptixbqev1.exe
      "C:\Users\Admin\AppData\Local\Temp\tmptixbqev1.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:4760
      • 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:4056
      • 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:404
        • 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:1560
      • 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:2644
      • 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:1428
      • 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:4512
        • 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: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:416
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:3904
          • 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:2152
          • 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:1424
          • 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:1692
          • 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:3484
    • 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:1480
      • 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:4288
      • 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:1608
        • 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:3340
    • 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:4900
      • 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:240
      • 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:4520
        • 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:4644

    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 ea3b40d126d20ac17eec0a5aa2e7f422af7291411cda24f319d93c5a1040635e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 20KB
          • SHA256 fb196bc03026a8d3969eb1e0b667ba0ab24df2125ee4862bbb68720f37678630
          • MD5 SHA1 SHA512 SSDEEP TLSH

          __PSScriptPolicyTest_segk5zzr.gtg.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_segk5zzr.gtg.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 543d6e602c5e51475b9f7ca7c9c968f2396bb02db344c9310d297484afcb0f43
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 972378dccbff5556d42fdb6857875a244936740f2aba9cc9b9b62f885dab3499
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 df0ff16831aa256b7df81a96e1174c11778f5d2be9e5359bfdef75caf304c6bb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 42f398d7feeccb59f3c128a7a1b7c0aade7d3de024a5ddfcdf0e50be4b4ef7cd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 ab3857212322fe6a377d6302e800c5bd406abe6f93b33728112ccf57cb99241b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 91fad653de7ce63e7a6e261c3cb3fb9469f26f786ed1b19ad7c9bb346236b9fd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 b05ebd73e202540c409255d1cd86d46c612b4b8062867040bfdc70ff61b9e890
          • MD5 SHA1 SHA512 SSDEEP TLSH

          csrss.exe

          • Path C:\Windows\rss\csrss.exe
          • Size 9.1MB
          • SHA256 98577c1cc4f73ba7af6cb130b593d3b984ee019779aae5cad3e867cb490ada38
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/240-182-0x0000000075440000-0x000000007548C000-memory.dmp

          memory/240-183-0x0000000070C20000-0x0000000070F77000-memory.dmp

          memory/1424-201-0x0000000075440000-0x000000007548C000-memory.dmp

          memory/1424-202-0x0000000070C20000-0x0000000070F77000-memory.dmp

          memory/1424-209-0x00000000078E0000-0x0000000007984000-memory.dmp

          memory/1424-216-0x0000000007C50000-0x0000000007C61000-memory.dmp

          memory/1424-218-0x00000000060C0000-0x00000000060D5000-memory.dmp

          memory/1428-91-0x0000000070F70000-0x00000000712C7000-memory.dmp

          memory/1428-90-0x0000000070D20000-0x0000000070D6C000-memory.dmp

          memory/1428-88-0x00000000055C0000-0x0000000005917000-memory.dmp

          memory/2152-153-0x0000000070C20000-0x0000000070F77000-memory.dmp

          memory/2152-152-0x0000000075440000-0x000000007548C000-memory.dmp

          memory/2152-173-0x0000000005580000-0x0000000005595000-memory.dmp

          memory/2644-73-0x0000000070D20000-0x0000000070D6C000-memory.dmp

          memory/2644-71-0x00000000058E0000-0x0000000005C37000-memory.dmp

          memory/2644-74-0x0000000070EA0000-0x00000000711F7000-memory.dmp

          memory/2672-16-0x0000000006920000-0x0000000006966000-memory.dmp

          memory/2672-6-0x0000000005E60000-0x0000000005EC6000-memory.dmp

          memory/2672-1-0x0000000004F00000-0x0000000004F36000-memory.dmp

          memory/2672-2-0x0000000004FD0000-0x0000000004FE0000-memory.dmp

          memory/2672-3-0x0000000005610000-0x0000000005C3A000-memory.dmp

          memory/2672-4-0x00000000054F0000-0x0000000005512000-memory.dmp

          memory/2672-5-0x0000000005DF0000-0x0000000005E56000-memory.dmp

          memory/2672-38-0x0000000007A30000-0x0000000007A45000-memory.dmp

          memory/2672-13-0x0000000005ED0000-0x0000000006227000-memory.dmp

          memory/2672-37-0x0000000007A20000-0x0000000007A2E000-memory.dmp

          memory/2672-0-0x0000000004FD0000-0x0000000004FE0000-memory.dmp

          memory/2672-40-0x0000000007AA0000-0x0000000007AA8000-memory.dmp

          memory/2672-36-0x00000000079D0000-0x00000000079E1000-memory.dmp

          memory/2672-35-0x0000000007AC0000-0x0000000007B56000-memory.dmp

          memory/2672-34-0x00000000079B0000-0x00000000079BA000-memory.dmp

          memory/2672-33-0x0000000007970000-0x000000000798A000-memory.dmp

          memory/2672-32-0x0000000007FB0000-0x000000000862A000-memory.dmp

          memory/2672-14-0x00000000063A0000-0x00000000063BE000-memory.dmp

          memory/2672-28-0x0000000007820000-0x000000000783E000-memory.dmp

          memory/2672-15-0x0000000006460000-0x00000000064AC000-memory.dmp

          memory/2672-27-0x0000000004FD0000-0x0000000004FE0000-memory.dmp

          memory/2672-31-0x0000000007840000-0x00000000078E4000-memory.dmp

          memory/2672-39-0x0000000007A80000-0x0000000007A9A000-memory.dmp

          memory/2672-17-0x000000007F710000-0x000000007F720000-memory.dmp

          memory/2672-18-0x00000000077C0000-0x00000000077F4000-memory.dmp

          memory/2672-19-0x0000000070C10000-0x0000000070C5C000-memory.dmp

          memory/2672-20-0x0000000070D90000-0x00000000710E7000-memory.dmp

          memory/2672-30-0x0000000004FD0000-0x0000000004FE0000-memory.dmp

          memory/2672-29-0x0000000004FD0000-0x0000000004FE0000-memory.dmp

          memory/3064-112-0x0000000006250000-0x000000000629C000-memory.dmp

          memory/3064-139-0x0000000005AB0000-0x0000000005AC5000-memory.dmp

          memory/3064-130-0x00000000076F0000-0x0000000007701000-memory.dmp

          memory/3064-122-0x0000000070C20000-0x0000000070F77000-memory.dmp

          memory/3064-129-0x0000000007340000-0x00000000073E4000-memory.dmp

          memory/3064-121-0x0000000075440000-0x000000007548C000-memory.dmp

          memory/3064-110-0x0000000005C10000-0x0000000005F67000-memory.dmp

          memory/3340-174-0x0000000075440000-0x000000007548C000-memory.dmp

          memory/3340-175-0x0000000070C20000-0x0000000070F77000-memory.dmp

          memory/4056-50-0x0000000005FD0000-0x000000000601C000-memory.dmp

          memory/4056-49-0x0000000005A70000-0x0000000005DC7000-memory.dmp

          memory/4056-61-0x0000000007520000-0x0000000007535000-memory.dmp

          memory/4056-60-0x00000000074D0000-0x00000000074E1000-memory.dmp

          memory/4056-59-0x00000000071A0000-0x0000000007244000-memory.dmp

          memory/4056-52-0x0000000070EC0000-0x0000000071217000-memory.dmp

          memory/4056-51-0x0000000070D20000-0x0000000070D6C000-memory.dmp

          memory/4288-141-0x0000000005610000-0x0000000005625000-memory.dmp

          memory/4288-131-0x0000000075440000-0x000000007548C000-memory.dmp

          memory/4288-132-0x0000000070C20000-0x0000000070F77000-memory.dmp

          memory/4644-219-0x0000000075440000-0x000000007548C000-memory.dmp

          memory/4644-220-0x0000000070C20000-0x0000000070F77000-memory.dmp