Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/05/2024, 10:09

General

  • Target
    73721887b1e40471f291a80a58d66ff0_NeikiAnalytics.exe
  • Size 4.1MB
  • Sample240525-l7bedsdb7s
  • SHA256 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Glupteba

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

  • Glupteba payload 18 IoCs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 2 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 7 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 7 IoCs

    Using powershell.exe command.

  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies data under HKEY_USERS 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of WriteProcessMemory 30 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\73721887b1e40471f291a80a58d66ff0_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\73721887b1e40471f291a80a58d66ff0_NeikiAnalytics.exe"
    1⤵
    • 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
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4136
    • C:\Users\Admin\AppData\Local\Temp\73721887b1e40471f291a80a58d66ff0_NeikiAnalytics.exe
      "C:\Users\Admin\AppData\Local\Temp\73721887b1e40471f291a80a58d66ff0_NeikiAnalytics.exe"
      2⤵
      • Adds Run key to start application
      • Checks for VirtualBox DLLs, possible anti-VM trick
      • Drops file in Windows directory
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3476
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Command and Scripting Interpreter: PowerShell
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3508
      • 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:4316
        • 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
          PID:1876
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Command and Scripting Interpreter: PowerShell
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4384
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Command and Scripting Interpreter: PowerShell
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4012
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Manipulates WinMonFS driver.
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2376
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -nologo -noprofile
          4⤵
          • Drops file in System32 directory
          • Command and Scripting Interpreter: PowerShell
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2608
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
          4⤵
          • Creates scheduled task(s)
          PID:884
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:1184
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -nologo -noprofile
            4⤵
            • Drops file in System32 directory
            • Command and Scripting Interpreter: PowerShell
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1508
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -nologo -noprofile
            4⤵
            • Drops file in System32 directory
            • Command and Scripting Interpreter: PowerShell
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4004
          • 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:2776
          • C:\Windows\SYSTEM32\schtasks.exe
            schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
            4⤵
            • Creates scheduled task(s)
            PID:2856

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          __PSScriptPolicyTest_s14wo1cd.biu.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_s14wo1cd.biu.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512

          injector.exe

          • Path C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
          • Size 281KB
          • SHA256 5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
          • MD5 SHA1 SHA512 SSDEEP

          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

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 648084812aa2970dce6cb56d8814a7de59fd9a528d6e828279ead9f633d13237
          • MD5 SHA1 SHA512 SSDEEP

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 45c4fe01c72e5e918f98003cd11bc582260ff3055dcded550edb4d07dee4657c
          • MD5 SHA1 SHA512 SSDEEP

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 f9b3e305952023b538d9d49179ae480f5ca08c7aa7ae10bd678244657aa3cba8
          • MD5 SHA1 SHA512 SSDEEP

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 c25d045ae95cf5631dfb4bd30df98597c5323f71119f6b0a24f5bf7a68885e26
          • MD5 SHA1 SHA512 SSDEEP

          StartupProfileData-Interactive

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
          • Size 19KB
          • SHA256 4b787a0ca0d17eab63a587d68c36ac7dd076c02124587473cd5c49e65cae4906
          • MD5 SHA1 SHA512 SSDEEP

          csrss.exe

          • Path C:\Windows\rss\csrss.exe
          • Size 4.1MB
          • SHA256 af41907dde7a5370a373b5fe8d9f3852d57d1002a787ca4b4382cf713198f297
          • MD5 SHA1 SHA512 SSDEEP

          memory/1508-167-0x00000000061C0000-0x0000000006514000-memory.dmp

          memory/1508-183-0x0000000006670000-0x0000000006684000-memory.dmp

          memory/1508-169-0x0000000006890000-0x00000000068DC000-memory.dmp

          memory/1508-170-0x00000000704D0000-0x000000007051C000-memory.dmp

          memory/1508-171-0x0000000070A90000-0x0000000070DE4000-memory.dmp

          memory/1508-181-0x0000000007AC0000-0x0000000007B63000-memory.dmp

          memory/1508-182-0x0000000007DF0000-0x0000000007E01000-memory.dmp

          memory/2376-209-0x0000000000400000-0x0000000000D1C000-memory.dmp

          memory/2376-228-0x0000000000400000-0x0000000000D1C000-memory.dmp

          memory/2376-222-0x0000000000400000-0x0000000000D1C000-memory.dmp

          memory/2376-224-0x0000000000400000-0x0000000000D1C000-memory.dmp

          memory/2376-216-0x0000000000400000-0x0000000000D1C000-memory.dmp

          memory/2376-218-0x0000000000400000-0x0000000000D1C000-memory.dmp

          memory/2376-220-0x0000000000400000-0x0000000000D1C000-memory.dmp

          memory/2376-226-0x0000000000400000-0x0000000000D1C000-memory.dmp

          memory/2376-230-0x0000000000400000-0x0000000000D1C000-memory.dmp

          memory/2376-238-0x0000000000400000-0x0000000000D1C000-memory.dmp

          memory/2376-236-0x0000000000400000-0x0000000000D1C000-memory.dmp

          memory/2376-232-0x0000000000400000-0x0000000000D1C000-memory.dmp

          memory/2376-234-0x0000000000400000-0x0000000000D1C000-memory.dmp

          memory/2608-144-0x00000000062C0000-0x0000000006614000-memory.dmp

          memory/2608-146-0x00000000705B0000-0x00000000705FC000-memory.dmp

          memory/2608-147-0x0000000070730000-0x0000000070A84000-memory.dmp

          memory/2880-81-0x0000000000400000-0x0000000000D1C000-memory.dmp

          memory/2880-1-0x0000000002970000-0x0000000002D78000-memory.dmp

          memory/2880-55-0x0000000002970000-0x0000000002D78000-memory.dmp

          memory/2880-127-0x0000000002D80000-0x000000000366B000-memory.dmp

          memory/2880-3-0x0000000000400000-0x0000000000D1C000-memory.dmp

          memory/2880-2-0x0000000002D80000-0x000000000366B000-memory.dmp

          memory/3476-54-0x00000000029B0000-0x0000000002DA9000-memory.dmp

          memory/3476-132-0x0000000000400000-0x0000000000D1C000-memory.dmp

          memory/3508-76-0x0000000007510000-0x00000000075B3000-memory.dmp

          memory/3508-78-0x0000000007890000-0x00000000078A4000-memory.dmp

          memory/3508-77-0x0000000007840000-0x0000000007851000-memory.dmp

          memory/3508-66-0x0000000070D30000-0x0000000071084000-memory.dmp

          memory/3508-65-0x00000000705B0000-0x00000000705FC000-memory.dmp

          memory/4004-198-0x0000000070C60000-0x0000000070FB4000-memory.dmp

          memory/4004-197-0x00000000704D0000-0x000000007051C000-memory.dmp

          memory/4004-185-0x0000000006170000-0x00000000064C4000-memory.dmp

          memory/4012-116-0x00000000705B0000-0x00000000705FC000-memory.dmp

          memory/4012-117-0x0000000070D30000-0x0000000071084000-memory.dmp

          memory/4136-23-0x0000000006150000-0x0000000006194000-memory.dmp

          memory/4136-25-0x0000000007600000-0x0000000007C7A000-memory.dmp

          memory/4136-46-0x00000000072B0000-0x00000000072BE000-memory.dmp

          memory/4136-45-0x0000000007270000-0x0000000007281000-memory.dmp

          memory/4136-44-0x0000000007310000-0x00000000073A6000-memory.dmp

          memory/4136-43-0x0000000074710000-0x0000000074EC0000-memory.dmp

          memory/4136-42-0x0000000074710000-0x0000000074EC0000-memory.dmp

          memory/4136-41-0x0000000007250000-0x000000000725A000-memory.dmp

          memory/4136-40-0x0000000007160000-0x0000000007203000-memory.dmp

          memory/4136-39-0x0000000007140000-0x000000000715E000-memory.dmp

          memory/4136-27-0x0000000007100000-0x0000000007132000-memory.dmp

          memory/4136-29-0x0000000070D30000-0x0000000071084000-memory.dmp

          memory/4136-28-0x00000000705B0000-0x00000000705FC000-memory.dmp

          memory/4136-26-0x0000000006EC0000-0x0000000006EDA000-memory.dmp

          memory/4136-48-0x00000000073B0000-0x00000000073CA000-memory.dmp

          memory/4136-47-0x00000000072C0000-0x00000000072D4000-memory.dmp

          memory/4136-52-0x0000000074710000-0x0000000074EC0000-memory.dmp

          memory/4136-4-0x000000007471E000-0x000000007471F000-memory.dmp

          memory/4136-24-0x0000000006F00000-0x0000000006F76000-memory.dmp

          memory/4136-49-0x00000000072F0000-0x00000000072F8000-memory.dmp

          memory/4136-22-0x0000000005BC0000-0x0000000005C0C000-memory.dmp

          memory/4136-21-0x0000000005BA0000-0x0000000005BBE000-memory.dmp

          memory/4136-20-0x00000000055C0000-0x0000000005914000-memory.dmp

          memory/4136-10-0x0000000005550000-0x00000000055B6000-memory.dmp

          memory/4136-9-0x00000000054E0000-0x0000000005546000-memory.dmp

          memory/4136-8-0x0000000004AC0000-0x0000000004AE2000-memory.dmp

          memory/4136-7-0x0000000004D40000-0x0000000005368000-memory.dmp

          memory/4136-6-0x0000000074710000-0x0000000074EC0000-memory.dmp

          memory/4136-5-0x0000000002590000-0x00000000025C6000-memory.dmp

          memory/4384-95-0x0000000070CF0000-0x0000000071044000-memory.dmp

          memory/4384-92-0x0000000005C70000-0x0000000005FC4000-memory.dmp

          memory/4384-94-0x00000000705B0000-0x00000000705FC000-memory.dmp