Analysis

  • max time kernel
    149s
  • max time network
    152s
  • 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, 09:47

General

  • Target
    tmpgc5pndng.exe
  • Size 9.1MB
  • Sample260602-lsla2sat6v
  • SHA256 7f25ddaf44eb5915cb65abcbe93ed728a4d49cc824af5340afea57b3c0302e89
  • 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\tmpgc5pndng.exe
    "C:\Users\Admin\AppData\Local\Temp\tmpgc5pndng.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3984
    • 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:4064
    • C:\Users\Admin\AppData\Local\Temp\tmpgc5pndng.exe
      "C:\Users\Admin\AppData\Local\Temp\tmpgc5pndng.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:4048
      • 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:764
      • 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:2988
        • 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:4728
      • 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:228
      • 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:2316
      • 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:3832
        • 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:4752
        • 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:4640
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:2004
          • 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:392
          • 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:1428
          • 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:4008
          • 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:2420
    • 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:4476
      • 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:1664
        • 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:2212
    • 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:2880
      • 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:1232
      • 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:4168
        • 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:3332

    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 be79edf11d8792aee34ed8f9255be76c0080cd53af2e7fcd2600d1be415ba944
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 20KB
          • SHA256 9d028c6cb29599f7ec06abb05888d8f2fa692f6cb25823fda6551d92659e334c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          __PSScriptPolicyTest_nunwzh1h.ttq.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nunwzh1h.ttq.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 2a57d04eac297ff0179223ccbab47aacf495b0f92a626d1af7f265a9be30e998
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 1cf74d6884a82df54302d30714bb6d974e50a3e9bbdf4c7b2476f22d80005a8f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 ef12a55768214400a7824542248b72e2d7c523ee218328c6b8619e64c05b7136
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 ba1756ff6e0128f58d149ca3ce4e0db21dd06a979e88ab6b13fdcaa666d9aa88
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 df123a54b4a7612b602a956b58d2771e6f8d86e234d546e93d2c17afae368de6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 914a3ef2b76af94069ec293c84d6fb03ad76c485d4486a42079a898b4212733a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 2ad7b7df7d74565b13e739a1d50608d7694de40ff018146fc61df894e6777f20
          • MD5 SHA1 SHA512 SSDEEP TLSH

          csrss.exe

          • Path C:\Windows\rss\csrss.exe
          • Size 9.1MB
          • SHA256 7f25ddaf44eb5915cb65abcbe93ed728a4d49cc824af5340afea57b3c0302e89
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/228-71-0x00000000706F0000-0x0000000070A47000-memory.dmp

          memory/228-70-0x00000000704B0000-0x00000000704FC000-memory.dmp

          memory/392-149-0x0000000070560000-0x00000000705AC000-memory.dmp

          memory/392-150-0x0000000070650000-0x00000000709A7000-memory.dmp

          memory/392-171-0x0000000005790000-0x00000000057A5000-memory.dmp

          memory/392-164-0x0000000007370000-0x0000000007381000-memory.dmp

          memory/392-157-0x0000000007030000-0x00000000070D4000-memory.dmp

          memory/764-57-0x0000000006E80000-0x0000000006F24000-memory.dmp

          memory/764-49-0x00000000704B0000-0x00000000704FC000-memory.dmp

          memory/764-59-0x0000000007220000-0x0000000007235000-memory.dmp

          memory/764-58-0x00000000071D0000-0x00000000071E1000-memory.dmp

          memory/764-50-0x00000000706F0000-0x0000000070A47000-memory.dmp

          memory/764-41-0x0000000005720000-0x0000000005A77000-memory.dmp

          memory/764-48-0x0000000006160000-0x00000000061AC000-memory.dmp

          memory/1232-188-0x0000000070560000-0x00000000705AC000-memory.dmp

          memory/1232-189-0x0000000070650000-0x00000000709A7000-memory.dmp

          memory/1428-215-0x0000000005C00000-0x0000000005C15000-memory.dmp

          memory/1428-199-0x0000000070650000-0x00000000709A7000-memory.dmp

          memory/1428-198-0x0000000070560000-0x00000000705AC000-memory.dmp

          memory/2212-175-0x0000000070650000-0x00000000709A7000-memory.dmp

          memory/2212-174-0x0000000070560000-0x00000000705AC000-memory.dmp

          memory/2316-87-0x00000000704B0000-0x00000000704FC000-memory.dmp

          memory/2316-85-0x0000000005F60000-0x00000000062B7000-memory.dmp

          memory/2316-88-0x0000000070630000-0x0000000070987000-memory.dmp

          memory/3332-217-0x0000000070560000-0x00000000705AC000-memory.dmp

          memory/3332-218-0x0000000070650000-0x00000000709A7000-memory.dmp

          memory/3332-225-0x0000000007C90000-0x0000000007CA1000-memory.dmp

          memory/3332-230-0x0000000006430000-0x0000000006445000-memory.dmp

          memory/4064-20-0x00000000705B0000-0x0000000070907000-memory.dmp

          memory/4064-28-0x00000000073F0000-0x000000000740E000-memory.dmp

          memory/4064-1-0x0000000002AF0000-0x0000000002B26000-memory.dmp

          memory/4064-15-0x0000000006020000-0x000000000606C000-memory.dmp

          memory/4064-14-0x0000000005F90000-0x0000000005FAE000-memory.dmp

          memory/4064-12-0x0000000005AE0000-0x0000000005E37000-memory.dmp

          memory/4064-34-0x00000000075A0000-0x00000000075B1000-memory.dmp

          memory/4064-33-0x0000000007690000-0x0000000007726000-memory.dmp

          memory/4064-32-0x0000000007580000-0x000000000758A000-memory.dmp

          memory/4064-17-0x000000007F6A0000-0x000000007F6B0000-memory.dmp

          memory/4064-2-0x0000000002C70000-0x0000000002C80000-memory.dmp

          memory/4064-35-0x00000000075F0000-0x00000000075FE000-memory.dmp

          memory/4064-36-0x0000000007600000-0x0000000007615000-memory.dmp

          memory/4064-37-0x0000000007650000-0x000000000766A000-memory.dmp

          memory/4064-38-0x0000000007670000-0x0000000007678000-memory.dmp

          memory/4064-6-0x0000000005A70000-0x0000000005AD6000-memory.dmp

          memory/4064-0-0x0000000002C70000-0x0000000002C80000-memory.dmp

          memory/4064-3-0x00000000052D0000-0x00000000058FA000-memory.dmp

          memory/4064-30-0x0000000007B80000-0x00000000081FA000-memory.dmp

          memory/4064-31-0x0000000007540000-0x000000000755A000-memory.dmp

          memory/4064-29-0x0000000007410000-0x00000000074B4000-memory.dmp

          memory/4064-5-0x0000000005A00000-0x0000000005A66000-memory.dmp

          memory/4064-16-0x00000000064F0000-0x0000000006536000-memory.dmp

          memory/4064-18-0x0000000007390000-0x00000000073C4000-memory.dmp

          memory/4064-19-0x00000000703A0000-0x00000000703EC000-memory.dmp

          memory/4064-4-0x00000000050D0000-0x00000000050F2000-memory.dmp

          memory/4064-27-0x0000000002C70000-0x0000000002C80000-memory.dmp

          memory/4500-138-0x0000000005E80000-0x0000000005E95000-memory.dmp

          memory/4500-128-0x0000000070560000-0x00000000705AC000-memory.dmp

          memory/4500-129-0x0000000070650000-0x00000000709A7000-memory.dmp

          memory/4752-119-0x0000000070650000-0x00000000709A7000-memory.dmp

          memory/4752-126-0x00000000075A0000-0x0000000007644000-memory.dmp

          memory/4752-118-0x0000000070560000-0x00000000705AC000-memory.dmp

          memory/4752-136-0x0000000006130000-0x0000000006145000-memory.dmp

          memory/4752-127-0x00000000078F0000-0x0000000007901000-memory.dmp

          memory/4752-117-0x00000000067F0000-0x000000000683C000-memory.dmp

          memory/4752-101-0x0000000005DB0000-0x0000000006107000-memory.dmp