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
    22/05/2026, 21:55

General

  • Target
    tmpqe4_b5tq.exe
  • Size 4.2MB
  • Sample260522-1synpsfs9p
  • SHA256 bbfa3271bc782b462405c2fc4eebf0906b40005209a0c0a20214996ed87c1444
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Glupteba

    Glupteba is a modular loader written in Golang with various components.

  • Glupteba payload 17 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\tmpqe4_b5tq.exe
    "C:\Users\Admin\AppData\Local\Temp\tmpqe4_b5tq.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:664
    • 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:1952
    • C:\Users\Admin\AppData\Local\Temp\tmpqe4_b5tq.exe
      "C:\Users\Admin\AppData\Local\Temp\tmpqe4_b5tq.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:2740
      • 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:4296
      • 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:1652
        • 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:2968
      • 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:244
      • 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:4976
      • 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:2600
        • 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:2456
        • 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:2152
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:812
          • 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:2464
          • 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:1444
          • 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:4612
          • 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:5012
    • 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:2132
      • 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:2768
      • 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:2148
        • 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 use of AdjustPrivilegeToken
          PID:3500
    • C:\Windows\rss\csrss.exe
      C:\Windows\rss\csrss.exe
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:924
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:3160
      • 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:3704
        • 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 use of AdjustPrivilegeToken
          PID:4672

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          StartupProfileData-Interactive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 20KB
          • SHA256 9eec74a4b40060d8eec7756e11648a7f3b30445afda6b5086585a036266dc249
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 20KB
          • SHA256 3547cd97487fc205fb2da8958c5cab1a3c7c9e34bd84ab8afc70a6a4806369ce
          • MD5 SHA1 SHA512 SSDEEP TLSH

          __PSScriptPolicyTest_bau4wodq.t0u.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bau4wodq.t0u.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 9600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 b3056b1936ab2c74c1b7ab2428a7f504fe79f187f88e47cd31d84d44ed83b068
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 7e80d666803e4bcca41725402b9a45e6949a47ec84832c0b59bba5b938b02f1c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 ec24df8e6cf77943c6e4e973e629c4f5b08b77e2234ca1459b9ac1268775182a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 905919b1c2a8a125eee003a341ed94cf19b3798f165ebc76af42a3a3894432ad
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 82748b757f05f5ed196de722adf14ad0366cb020a7bbf7c99f5bb3f221536d9b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 5f15f3de7faf8fa5ed6a897250227fad197605bb00f4bb87f2735b024c2e7794
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 3f01eacdfbdca2ec6d1e66d5ffce175e76eb06b7fea49b96c73b25d9230ff399
          • MD5 SHA1 SHA512 SSDEEP TLSH

          csrss.exe

          • Path C:\Windows\rss\csrss.exe
          • Size 4.2MB
          • SHA256 bbfa3271bc782b462405c2fc4eebf0906b40005209a0c0a20214996ed87c1444
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/244-78-0x0000000006210000-0x0000000006567000-memory.dmp

          memory/244-81-0x0000000070ED0000-0x0000000071227000-memory.dmp

          memory/244-80-0x0000000070D30000-0x0000000070D7C000-memory.dmp

          memory/664-20-0x0000000000400000-0x0000000002EE9000-memory.dmp

          memory/664-48-0x00000000038A0000-0x0000000003CA6000-memory.dmp

          memory/664-1-0x00000000038A0000-0x0000000003CA6000-memory.dmp

          memory/664-2-0x00000000052C0000-0x0000000005BAB000-memory.dmp

          memory/664-50-0x0000000000400000-0x0000000002EE9000-memory.dmp

          memory/664-49-0x00000000052C0000-0x0000000005BAB000-memory.dmp

          memory/924-250-0x0000000000400000-0x0000000002EE9000-memory.dmp

          memory/1444-182-0x0000000070EB0000-0x0000000071207000-memory.dmp

          memory/1444-179-0x0000000005E50000-0x00000000061A7000-memory.dmp

          memory/1444-181-0x0000000070D30000-0x0000000070D7C000-memory.dmp

          memory/1952-21-0x000000007F820000-0x000000007F830000-memory.dmp

          memory/1952-19-0x00000000065F0000-0x0000000006636000-memory.dmp

          memory/1952-40-0x0000000007650000-0x0000000007661000-memory.dmp

          memory/1952-41-0x00000000076A0000-0x00000000076AE000-memory.dmp

          memory/1952-42-0x00000000076B0000-0x00000000076C5000-memory.dmp

          memory/1952-43-0x0000000007700000-0x000000000771A000-memory.dmp

          memory/1952-44-0x0000000007720000-0x0000000007728000-memory.dmp

          memory/1952-38-0x0000000007630000-0x000000000763A000-memory.dmp

          memory/1952-36-0x0000000007C30000-0x00000000082AA000-memory.dmp

          memory/1952-37-0x00000000075F0000-0x000000000760A000-memory.dmp

          memory/1952-25-0x0000000004CE0000-0x0000000004CF0000-memory.dmp

          memory/1952-35-0x00000000074C0000-0x0000000007564000-memory.dmp

          memory/1952-3-0x0000000004CE0000-0x0000000004CF0000-memory.dmp

          memory/1952-34-0x00000000074A0000-0x00000000074BE000-memory.dmp

          memory/1952-28-0x0000000004CE0000-0x0000000004CF0000-memory.dmp

          memory/1952-32-0x0000000004CE0000-0x0000000004CF0000-memory.dmp

          memory/1952-24-0x0000000070F00000-0x0000000071257000-memory.dmp

          memory/1952-23-0x0000000070D30000-0x0000000070D7C000-memory.dmp

          memory/1952-22-0x0000000007460000-0x0000000007494000-memory.dmp

          memory/1952-39-0x0000000007740000-0x00000000077D6000-memory.dmp

          memory/1952-18-0x00000000060D0000-0x000000000611C000-memory.dmp

          memory/1952-17-0x0000000006020000-0x000000000603E000-memory.dmp

          memory/1952-4-0x0000000004BC0000-0x0000000004BF6000-memory.dmp

          memory/1952-16-0x0000000005B00000-0x0000000005E57000-memory.dmp

          memory/1952-9-0x0000000005950000-0x00000000059B6000-memory.dmp

          memory/1952-8-0x0000000005200000-0x0000000005266000-memory.dmp

          memory/1952-5-0x0000000004CE0000-0x0000000004CF0000-memory.dmp

          memory/1952-7-0x0000000005060000-0x0000000005082000-memory.dmp

          memory/1952-6-0x0000000005320000-0x000000000594A000-memory.dmp

          memory/2132-132-0x0000000000400000-0x0000000002EE9000-memory.dmp

          memory/2132-197-0x0000000000400000-0x0000000002EE9000-memory.dmp

          memory/2148-249-0x0000000000400000-0x0000000002EE9000-memory.dmp

          memory/2456-135-0x0000000070D30000-0x0000000070D7C000-memory.dmp

          memory/2456-136-0x0000000070F80000-0x00000000712D7000-memory.dmp

          memory/2456-119-0x0000000005F50000-0x00000000062A7000-memory.dmp

          memory/2464-164-0x0000000070D30000-0x0000000070D7C000-memory.dmp

          memory/2464-165-0x0000000070F80000-0x00000000712D7000-memory.dmp

          memory/2600-205-0x0000000000400000-0x0000000002EE9000-memory.dmp

          memory/2600-257-0x0000000000400000-0x0000000002EE9000-memory.dmp

          memory/2600-252-0x0000000000400000-0x0000000002EE9000-memory.dmp

          memory/2600-233-0x0000000000400000-0x0000000002EE9000-memory.dmp

          memory/2600-202-0x0000000000400000-0x0000000002EE9000-memory.dmp

          memory/2600-196-0x0000000000400000-0x0000000002EE9000-memory.dmp

          memory/2600-199-0x0000000000400000-0x0000000002EE9000-memory.dmp

          memory/2740-109-0x0000000000400000-0x0000000002EE9000-memory.dmp

          memory/2768-144-0x0000000070F80000-0x00000000712D7000-memory.dmp

          memory/2768-143-0x0000000070D30000-0x0000000070D7C000-memory.dmp

          memory/3160-244-0x00000000062B0000-0x00000000062C5000-memory.dmp

          memory/3160-235-0x0000000005E70000-0x0000000005E81000-memory.dmp

          memory/3160-222-0x00000000064F0000-0x000000000653C000-memory.dmp

          memory/3160-224-0x0000000070C70000-0x0000000070CBC000-memory.dmp

          memory/3160-225-0x0000000070DF0000-0x0000000071147000-memory.dmp

          memory/3160-232-0x00000000078E0000-0x0000000007984000-memory.dmp

          memory/3160-214-0x0000000005F50000-0x00000000062A7000-memory.dmp

          memory/3500-236-0x0000000070C70000-0x0000000070CBC000-memory.dmp

          memory/3500-237-0x0000000070DF0000-0x0000000071147000-memory.dmp

          memory/3704-278-0x0000000000400000-0x0000000002EE9000-memory.dmp

          memory/4296-58-0x0000000070D30000-0x0000000070D7C000-memory.dmp

          memory/4296-57-0x00000000057C0000-0x0000000005B17000-memory.dmp

          memory/4296-59-0x0000000070F20000-0x0000000071277000-memory.dmp

          memory/4296-67-0x0000000007180000-0x0000000007191000-memory.dmp

          memory/4296-68-0x00000000071D0000-0x00000000071E5000-memory.dmp

          memory/4296-66-0x0000000006E50000-0x0000000006EF4000-memory.dmp

          memory/4672-264-0x0000000005F40000-0x0000000006297000-memory.dmp

          memory/4672-266-0x0000000006550000-0x000000000659C000-memory.dmp

          memory/4672-268-0x0000000070C30000-0x0000000070C7C000-memory.dmp

          memory/4672-269-0x0000000070DB0000-0x0000000071107000-memory.dmp

          memory/4672-276-0x00000000077A0000-0x0000000007844000-memory.dmp

          memory/4672-277-0x0000000007AF0000-0x0000000007B01000-memory.dmp

          memory/4672-279-0x0000000006330000-0x0000000006345000-memory.dmp

          memory/4976-97-0x0000000070ED0000-0x0000000071227000-memory.dmp

          memory/4976-96-0x0000000070D30000-0x0000000070D7C000-memory.dmp