Analysis

  • max time kernel
    150s
  • max time network
    152s
  • 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, 21:58

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.

  • Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • 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.

  • Modifies trusted root certificate store through registry 1 TTPs 2 IoCs

    A root certificate was added, modified, or removed in the trusted certificate store registry paths.

  • 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
  • Modifies system certificate store 2 TTPs 1 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:3484
    • 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:652
    • 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:1984
      • 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:792
      • 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:1340
        • 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:3188
      • 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:3108
      • 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:2548
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Manipulates WinMonFS driver.
        • Modifies trusted root certificate store through registry
        • System Location Discovery: System Language Discovery
        • Modifies data under HKEY_USERS
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2528
        • 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:4488
        • 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:1688
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:3268
          • 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:3108
          • 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:4984
            • C:\Windows\System32\Conhost.exe
              \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
              5⤵
                PID:1300
            • 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:3108
            • 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:3000
      • 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:3248
        • 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:1300
        • 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:3012
          • 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:3892
      • 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:1824
        • 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:4500
        • 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:3944
          • 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:2636
      • C:\Windows\System32\sihclient.exe
        C:\Windows\System32\sihclient.exe /cv X4L3x8n70EWmOo0vvVXCsA.0.2
        1⤵
          PID:4500

        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 f019af2e5e74cdf13c963910500f9436c66b6f2901f5056d72f82310f20113b9
              • MD5 SHA1 SHA512 TLSH

              StartupProfileData-Interactive

              • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
              • Size 21KB
              • SHA256 9e1eb377fdd3085e479998cf92dac9ead8477f10daeaad137d28dac2bee7a2d4
              • MD5 SHA1 SHA512 SSDEEP TLSH

              StartupProfileData-Interactive

              • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
              • Size 21KB
              • SHA256 4dc2ef0e795662d427642e7e68e113437a7a0e1809d59da28b784b235ff50202
              • MD5 SHA1 SHA512 SSDEEP TLSH

              __PSScriptPolicyTest_es1htj20.klr.ps1

              • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_es1htj20.klr.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 6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
              • MD5 SHA1 SHA512 TLSH

              StartupProfileData-Interactive

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
              • Size 19KB
              • SHA256 e76920be1528d508f54cad442ca85f04aa4ff20fc5f5ec50d04fe79eb913b4f2
              • MD5 SHA1 SHA512 SSDEEP TLSH

              StartupProfileData-Interactive

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
              • Size 19KB
              • SHA256 229cb094c23a222ac85cc26acdf6765cc856e33f496b9d2190a5e33a26e72259
              • MD5 SHA1 SHA512 SSDEEP TLSH

              StartupProfileData-Interactive

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
              • Size 19KB
              • SHA256 731b373aa98794369c2c7acbff84f5507672e2670d89b35f96ae29cd674da8a4
              • MD5 SHA1 SHA512 SSDEEP TLSH

              StartupProfileData-Interactive

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
              • Size 19KB
              • SHA256 dc724513ebf9db7c565275d06b695dc4cda341daa95d77e59782f707d03044b2
              • MD5 SHA1 SHA512 SSDEEP TLSH

              StartupProfileData-Interactive

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
              • Size 19KB
              • SHA256 19c26e3edf51cd206460174dab2aef3e545fb9a2d2a9294db068170e842f69ac
              • MD5 SHA1 SHA512 SSDEEP TLSH

              StartupProfileData-Interactive

              • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
              • Size 19KB
              • SHA256 20369596af0beff64bfa0250775545106cd257ff1d9de1673df04cbab358a50a
              • MD5 SHA1 SHA512 SSDEEP TLSH

              csrss.exe

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

              memory/652-18-0x00000000076B0000-0x0000000007D2A000-memory.dmp

              memory/652-0-0x0000000004780000-0x0000000004790000-memory.dmp

              memory/652-22-0x00000000701C0000-0x000000007020C000-memory.dmp

              memory/652-21-0x00000000071D0000-0x0000000007202000-memory.dmp

              memory/652-34-0x0000000007230000-0x00000000072D3000-memory.dmp

              memory/652-33-0x0000000007210000-0x000000000722E000-memory.dmp

              memory/652-35-0x0000000007320000-0x000000000732A000-memory.dmp

              memory/652-25-0x0000000004780000-0x0000000004790000-memory.dmp

              memory/652-36-0x0000000007430000-0x00000000074C6000-memory.dmp

              memory/652-24-0x0000000004780000-0x0000000004790000-memory.dmp

              memory/652-23-0x0000000070340000-0x0000000070694000-memory.dmp

              memory/652-37-0x0000000007330000-0x0000000007341000-memory.dmp

              memory/652-38-0x0000000007370000-0x000000000737E000-memory.dmp

              memory/652-39-0x0000000007390000-0x00000000073A4000-memory.dmp

              memory/652-41-0x00000000073D0000-0x00000000073D8000-memory.dmp

              memory/652-40-0x00000000073E0000-0x00000000073FA000-memory.dmp

              memory/652-1-0x0000000004670000-0x00000000046A6000-memory.dmp

              memory/652-2-0x0000000004DC0000-0x00000000053E8000-memory.dmp

              memory/652-3-0x0000000004D90000-0x0000000004DB2000-memory.dmp

              memory/652-5-0x00000000054D0000-0x0000000005536000-memory.dmp

              memory/652-4-0x0000000005460000-0x00000000054C6000-memory.dmp

              memory/652-13-0x0000000005630000-0x0000000005984000-memory.dmp

              memory/652-20-0x000000007F4F0000-0x000000007F500000-memory.dmp

              memory/652-19-0x0000000006F90000-0x0000000006FAA000-memory.dmp

              memory/652-17-0x0000000006FB0000-0x0000000007026000-memory.dmp

              memory/652-16-0x00000000061A0000-0x00000000061E4000-memory.dmp

              memory/652-15-0x0000000005D00000-0x0000000005D4C000-memory.dmp

              memory/652-14-0x0000000005C50000-0x0000000005C6E000-memory.dmp

              memory/792-64-0x0000000007E50000-0x0000000007E64000-memory.dmp

              memory/792-63-0x0000000007E00000-0x0000000007E11000-memory.dmp

              memory/792-54-0x0000000070450000-0x00000000707A4000-memory.dmp

              memory/792-62-0x0000000007AE0000-0x0000000007B83000-memory.dmp

              memory/792-53-0x00000000702C0000-0x000000007030C000-memory.dmp

              memory/792-52-0x0000000006E80000-0x0000000006ECC000-memory.dmp

              memory/792-51-0x0000000006260000-0x00000000065B4000-memory.dmp

              memory/1300-153-0x0000000006560000-0x0000000006574000-memory.dmp

              memory/1300-152-0x0000000007E40000-0x0000000007E51000-memory.dmp

              memory/1300-142-0x0000000070220000-0x000000007026C000-memory.dmp

              memory/1300-143-0x00000000709D0000-0x0000000070D24000-memory.dmp

              memory/2548-94-0x0000000006310000-0x0000000006664000-memory.dmp

              memory/2548-96-0x00000000702C0000-0x000000007030C000-memory.dmp

              memory/2548-97-0x0000000070D10000-0x0000000071064000-memory.dmp

              memory/2636-261-0x0000000006860000-0x0000000006874000-memory.dmp

              memory/2636-255-0x0000000008010000-0x0000000008021000-memory.dmp

              memory/2636-245-0x0000000070050000-0x000000007009C000-memory.dmp

              memory/2636-246-0x00000000709C0000-0x0000000070D14000-memory.dmp

              memory/2636-254-0x0000000007C90000-0x0000000007D33000-memory.dmp

              memory/2636-244-0x0000000006E30000-0x0000000006E7C000-memory.dmp

              memory/3108-78-0x0000000070A80000-0x0000000070DD4000-memory.dmp

              memory/3108-77-0x00000000702C0000-0x000000007030C000-memory.dmp

              memory/3108-174-0x00000000709C0000-0x0000000070D14000-memory.dmp

              memory/3108-173-0x0000000070220000-0x000000007026C000-memory.dmp

              memory/3108-183-0x0000000007310000-0x0000000007321000-memory.dmp

              memory/3108-75-0x0000000005DB0000-0x0000000006104000-memory.dmp

              memory/3108-200-0x0000000005B60000-0x0000000005B74000-memory.dmp

              memory/3108-182-0x0000000006FA0000-0x0000000007043000-memory.dmp

              memory/3108-162-0x0000000005680000-0x00000000059D4000-memory.dmp

              memory/3892-211-0x0000000006400000-0x0000000006414000-memory.dmp

              memory/3892-185-0x00000000709C0000-0x0000000070D14000-memory.dmp

              memory/3892-203-0x0000000007E20000-0x0000000007E31000-memory.dmp

              memory/3892-184-0x0000000070220000-0x000000007026C000-memory.dmp

              memory/4488-139-0x0000000007B60000-0x0000000007C03000-memory.dmp

              memory/4488-140-0x0000000006690000-0x00000000066A1000-memory.dmp

              memory/4488-141-0x00000000066D0000-0x00000000066E4000-memory.dmp

              memory/4488-130-0x0000000070220000-0x000000007026C000-memory.dmp

              memory/4488-117-0x0000000006330000-0x0000000006684000-memory.dmp

              memory/4488-119-0x0000000006EA0000-0x0000000006EEC000-memory.dmp

              memory/4488-131-0x00000000709D0000-0x0000000070D24000-memory.dmp

              memory/4500-214-0x00000000709C0000-0x0000000070D14000-memory.dmp

              memory/4500-213-0x0000000070220000-0x000000007026C000-memory.dmp

              memory/4984-222-0x0000000070220000-0x000000007026C000-memory.dmp

              memory/4984-223-0x00000000709C0000-0x0000000070D14000-memory.dmp