Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    02/06/2026, 09:49

General

  • Target
    tmp4xihp8oc.exe
  • Size 9.1MB
  • Sample260602-ltdmlaat8t
  • SHA256 a608a072eb0b271933900bc9c68a099399b7a46e9bb8b69415ec9f394e63351e
  • 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\tmp4xihp8oc.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp4xihp8oc.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4908
    • 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:3764
    • C:\Users\Admin\AppData\Local\Temp\tmp4xihp8oc.exe
      "C:\Users\Admin\AppData\Local\Temp\tmp4xihp8oc.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:4644
      • 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:1164
      • 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:3944
        • 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:2564
      • 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:4000
      • 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:2260
      • 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:4216
        • 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:4848
        • 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:3376
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:1308
          • 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:748
          • 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:4244
          • 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:2064
          • 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:2752
    • 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:4688
      • 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:4588
      • 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:1268
        • 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:2920
    • 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:4920
      • 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:4656
      • 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:4692
        • 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:2052

    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 2808ee5224dec15f925f900e885f240483427f9af17dd2bfa8d83e4b832fb937
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 21KB
          • SHA256 e4e99393ad273725794bca88592fcc6cac74483ce7e0d6597b1e88791035c700
          • MD5 SHA1 SHA512 SSDEEP TLSH

          __PSScriptPolicyTest_vkdovki1.ord.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vkdovki1.ord.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 92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 23114c65aa2c99490486e52cceec1bfa95b9f4b1c35f7c0c4af0e27a66e81b6d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 809241bfc1e4b7897b3c2d410a6fcafa3b64bca629d846685b8252781398c473
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 32d598cab0ab6161a809737169b0d5c311ed997575ae1098547384db00498769
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 f2ef567cc1ab6ead24b6990340d6ed4edcb6f1bfe39b145a5b3198967dd7ffd6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 2e2d2b692ceac1f00a276c8b22caa68f6e1953dbe91ba3374f5f1b645772d991
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 2bc8c1d9a2bce115d77bde457308bd355fe18fa210583b79f700530091568033
          • MD5 SHA1 SHA512 SSDEEP TLSH

          csrss.exe

          • Path C:\Windows\rss\csrss.exe
          • Size 9.1MB
          • SHA256 a608a072eb0b271933900bc9c68a099399b7a46e9bb8b69415ec9f394e63351e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/748-187-0x0000000005C70000-0x0000000005C84000-memory.dmp

          memory/748-162-0x00000000702E0000-0x000000007032C000-memory.dmp

          memory/748-179-0x00000000073C0000-0x00000000073D1000-memory.dmp

          memory/748-171-0x0000000007090000-0x0000000007133000-memory.dmp

          memory/748-163-0x0000000070AA0000-0x0000000070DF4000-memory.dmp

          memory/1164-63-0x0000000007590000-0x00000000075A1000-memory.dmp

          memory/1164-50-0x0000000005A30000-0x0000000005D84000-memory.dmp

          memory/1164-53-0x0000000070380000-0x00000000703CC000-memory.dmp

          memory/1164-54-0x0000000070B10000-0x0000000070E64000-memory.dmp

          memory/1164-62-0x00000000072A0000-0x0000000007343000-memory.dmp

          memory/1164-52-0x00000000063D0000-0x000000000641C000-memory.dmp

          memory/1164-64-0x00000000075E0000-0x00000000075F4000-memory.dmp

          memory/2052-240-0x0000000070AA0000-0x0000000070DF4000-memory.dmp

          memory/2052-249-0x00000000079E0000-0x00000000079F1000-memory.dmp

          memory/2052-248-0x00000000076D0000-0x0000000007773000-memory.dmp

          memory/2052-250-0x00000000062D0000-0x00000000062E4000-memory.dmp

          memory/2052-239-0x0000000070210000-0x000000007025C000-memory.dmp

          memory/2260-94-0x0000000070380000-0x00000000703CC000-memory.dmp

          memory/2260-95-0x0000000070B10000-0x0000000070E64000-memory.dmp

          memory/2920-190-0x0000000070AA0000-0x0000000070DF4000-memory.dmp

          memory/2920-189-0x00000000702E0000-0x000000007032C000-memory.dmp

          memory/3764-5-0x0000000005970000-0x00000000059D6000-memory.dmp

          memory/3764-17-0x0000000006DF0000-0x0000000006E34000-memory.dmp

          memory/3764-36-0x0000000008030000-0x00000000080C6000-memory.dmp

          memory/3764-35-0x0000000007F70000-0x0000000007F7A000-memory.dmp

          memory/3764-15-0x00000000068B0000-0x00000000068CE000-memory.dmp

          memory/3764-41-0x0000000008010000-0x0000000008018000-memory.dmp

          memory/3764-34-0x0000000007E80000-0x0000000007F23000-memory.dmp

          memory/3764-0-0x00000000032B0000-0x00000000032C0000-memory.dmp

          memory/3764-38-0x0000000007FD0000-0x0000000007FDE000-memory.dmp

          memory/3764-32-0x00000000032B0000-0x00000000032C0000-memory.dmp

          memory/3764-33-0x0000000007E60000-0x0000000007E7E000-memory.dmp

          memory/3764-1-0x00000000032C0000-0x00000000032F6000-memory.dmp

          memory/3764-24-0x0000000070850000-0x0000000070BA4000-memory.dmp

          memory/3764-2-0x00000000032B0000-0x00000000032C0000-memory.dmp

          memory/3764-23-0x0000000070280000-0x00000000702CC000-memory.dmp

          memory/3764-3-0x0000000005BD0000-0x00000000061F8000-memory.dmp

          memory/3764-4-0x00000000058D0000-0x00000000058F2000-memory.dmp

          memory/3764-40-0x00000000080D0000-0x00000000080EA000-memory.dmp

          memory/3764-37-0x0000000007F90000-0x0000000007FA1000-memory.dmp

          memory/3764-39-0x0000000007FE0000-0x0000000007FF4000-memory.dmp

          memory/3764-16-0x00000000068D0000-0x000000000691C000-memory.dmp

          memory/3764-14-0x0000000006300000-0x0000000006654000-memory.dmp

          memory/3764-6-0x00000000059E0000-0x0000000005A46000-memory.dmp

          memory/3764-22-0x0000000007E20000-0x0000000007E52000-memory.dmp

          memory/3764-21-0x000000007EF60000-0x000000007EF70000-memory.dmp

          memory/3764-20-0x0000000007C60000-0x0000000007C7A000-memory.dmp

          memory/3764-19-0x00000000082C0000-0x000000000893A000-memory.dmp

          memory/3764-18-0x0000000007BC0000-0x0000000007C36000-memory.dmp

          memory/4000-77-0x0000000070B10000-0x0000000070E64000-memory.dmp

          memory/4000-76-0x0000000070380000-0x00000000703CC000-memory.dmp

          memory/4244-221-0x0000000070210000-0x000000007025C000-memory.dmp

          memory/4244-237-0x00000000065F0000-0x0000000006604000-memory.dmp

          memory/4244-220-0x0000000006800000-0x000000000684C000-memory.dmp

          memory/4244-222-0x0000000070AA0000-0x0000000070DF4000-memory.dmp

          memory/4588-150-0x0000000005EE0000-0x0000000005EF4000-memory.dmp

          memory/4588-139-0x00000000702E0000-0x000000007032C000-memory.dmp

          memory/4588-140-0x0000000070AA0000-0x0000000070DF4000-memory.dmp

          memory/4656-199-0x0000000070AA0000-0x0000000070DF4000-memory.dmp

          memory/4656-198-0x00000000702E0000-0x000000007032C000-memory.dmp

          memory/4848-148-0x0000000005DC0000-0x0000000005DD4000-memory.dmp

          memory/4848-138-0x00000000075B0000-0x00000000075C1000-memory.dmp

          memory/4848-137-0x0000000007220000-0x00000000072C3000-memory.dmp

          memory/4848-128-0x00000000702E0000-0x000000007032C000-memory.dmp

          memory/4848-129-0x0000000070AA0000-0x0000000070DF4000-memory.dmp

          memory/4848-126-0x0000000006060000-0x00000000060AC000-memory.dmp

          memory/4848-116-0x00000000058E0000-0x0000000005C34000-memory.dmp