Analysis

  • max time kernel
    1s
  • 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
    02/06/2026, 11:45

General

  • Target
    tmp1x9646jr.exe
  • Size 4.2MB
  • Sample260602-nw2hjsds8k
  • SHA256 8ea0fbddf146fe4941efcceb1210620d00e0d53ed0cdee3044906b8c3e939505
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Glupteba

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

  • Glupteba payload 20 IoCs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp1x9646jr.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp1x9646jr.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:4792
    • C:\Users\Admin\AppData\Local\Temp\tmp1x9646jr.exe
      "C:\Users\Admin\AppData\Local\Temp\tmp1x9646jr.exe"
      2⤵
        PID:664
        • 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⤵
            PID:1860
            • 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:3080
          • C:\Windows\rss\csrss.exe
            C:\Windows\rss\csrss.exe
            3⤵
              PID:6056
              • 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:2604
              • C:\Windows\SYSTEM32\schtasks.exe
                schtasks /delete /tn ScheduledUpdate /f
                4⤵
                  PID:3260
                • 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⤵
                    PID:4588
                  • 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:5868
            • C:\Windows\rss\csrss.exe
              "C:\Windows\rss\csrss.exe"
              1⤵
                PID:3988
                • C:\Windows\rss\csrss.exe
                  "C:\Windows\rss\csrss.exe"
                  2⤵
                    PID:1592
                • C:\Windows\rss\csrss.exe
                  C:\Windows\rss\csrss.exe
                  1⤵
                    PID:1884
                    • C:\Windows\rss\csrss.exe
                      "C:\Windows\rss\csrss.exe"
                      2⤵
                        PID:4212

                    Network

                          MITRE ATT&CK Enterprise v16

                          Replay Monitor

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                          Downloads

                          injector.exe

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

                          csrss.exe

                          • Path C:\Windows\rss\csrss.exe
                          • Size 4.2MB
                          • SHA256 8ea0fbddf146fe4941efcceb1210620d00e0d53ed0cdee3044906b8c3e939505
                          • MD5 SHA1 SHA512 SSDEEP TLSH

                          memory/664-6-0x0000000003450000-0x000000000383B000-memory.dmp

                          memory/664-12-0x0000000000400000-0x0000000003018000-memory.dmp

                          memory/1592-28-0x0000000000400000-0x0000000003018000-memory.dmp

                          memory/1884-27-0x0000000000400000-0x0000000003018000-memory.dmp

                          memory/3988-17-0x0000000000400000-0x0000000003018000-memory.dmp

                          memory/4212-30-0x0000000000400000-0x0000000003018000-memory.dmp

                          memory/4792-1-0x00000000034B0000-0x00000000038A1000-memory.dmp

                          memory/4792-3-0x0000000000400000-0x0000000003018000-memory.dmp

                          memory/4792-2-0x0000000005250000-0x0000000005AC7000-memory.dmp

                          memory/4792-5-0x0000000005250000-0x0000000005AC7000-memory.dmp

                          memory/6056-34-0x0000000000400000-0x0000000003018000-memory.dmp

                          memory/6056-37-0x0000000000400000-0x0000000003018000-memory.dmp

                          memory/6056-32-0x0000000000400000-0x0000000003018000-memory.dmp

                          memory/6056-33-0x0000000000400000-0x0000000003018000-memory.dmp

                          memory/6056-29-0x0000000000400000-0x0000000003018000-memory.dmp

                          memory/6056-35-0x0000000000400000-0x0000000003018000-memory.dmp

                          memory/6056-36-0x0000000000400000-0x0000000003018000-memory.dmp

                          memory/6056-31-0x0000000000400000-0x0000000003018000-memory.dmp

                          memory/6056-38-0x0000000000400000-0x0000000003018000-memory.dmp

                          memory/6056-39-0x0000000000400000-0x0000000003018000-memory.dmp

                          memory/6056-40-0x0000000000400000-0x0000000003018000-memory.dmp

                          memory/6056-41-0x0000000000400000-0x0000000003018000-memory.dmp

                          memory/6056-42-0x0000000000400000-0x0000000003018000-memory.dmp

                          memory/6056-43-0x0000000000400000-0x0000000003018000-memory.dmp