Analysis
- max time kernel
2s - max time network
157s - platform
windows10-ltsc_2021_x64 - resource
win10ltsc2021-20260513-en - resource tags
- submitted
22/05/2026, 22:34
General
- Target tmpu5rozh14.exe
- Size 4.1MB
- Sample260522-2hadssfw4p
- SHA256 e362727d06aa92aa44ba2eb7ff3440e444ad079e0546a2bc3ed510c76e1dee64
Malware Config
Signatures
- Family: Glupteba
Glupteba is a modular loader written in Golang with various components.
- Glupteba payload 19 IoCs
- Modifies Windows Firewall 2 TTPs 1 IoCs
- Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
- 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
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C:\Users\Admin\AppData\Local\Temp\tmpu5rozh14.exe"C:\Users\Admin\AppData\Local\Temp\tmpu5rozh14.exe"1⤵
- System Location Discovery: System Language Discovery
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C:\Users\Admin\AppData\Local\Temp\tmpu5rozh14.exe"C:\Users\Admin\AppData\Local\Temp\tmpu5rozh14.exe"2⤵
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C:\Windows\system32\cmd.exeC:\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⤵
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C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes4⤵
- Modifies Windows Firewall
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Scheduled Task/Job: Scheduled Task
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Scheduled Task/Job: Scheduled Task
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C:\Windows\rss\csrss.exe"C:\Windows\rss\csrss.exe"1⤵
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C:\Windows\rss\csrss.exe"C:\Windows\rss\csrss.exe"2⤵
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe1⤵
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C:\Windows\rss\csrss.exe"C:\Windows\rss\csrss.exe"2⤵
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
injector.exe
csrss.exe
memory/556-40-0x0000000000400000-0x0000000003014000-memory.dmp
memory/556-37-0x0000000000400000-0x0000000003014000-memory.dmp
memory/556-34-0x0000000000400000-0x0000000003014000-memory.dmp
memory/556-42-0x0000000000400000-0x0000000003014000-memory.dmp
memory/556-39-0x0000000000400000-0x0000000003014000-memory.dmp
memory/556-38-0x0000000000400000-0x0000000003014000-memory.dmp
memory/556-43-0x0000000000400000-0x0000000003014000-memory.dmp
memory/556-41-0x0000000000400000-0x0000000003014000-memory.dmp
memory/556-36-0x0000000000400000-0x0000000003014000-memory.dmp
memory/556-29-0x0000000000400000-0x0000000003014000-memory.dmp
memory/556-35-0x0000000000400000-0x0000000003014000-memory.dmp
memory/556-31-0x0000000000400000-0x0000000003014000-memory.dmp
memory/556-32-0x0000000000400000-0x0000000003014000-memory.dmp
memory/556-33-0x0000000000400000-0x0000000003014000-memory.dmp
memory/2168-30-0x0000000000400000-0x0000000003014000-memory.dmp
memory/2188-1-0x0000000003450000-0x000000000383E000-memory.dmp
memory/2188-3-0x0000000000400000-0x0000000003014000-memory.dmp
memory/2188-5-0x00000000050E0000-0x0000000005957000-memory.dmp
memory/2188-2-0x00000000050E0000-0x0000000005957000-memory.dmp
memory/2816-25-0x0000000000400000-0x0000000003014000-memory.dmp
memory/3452-17-0x0000000000400000-0x0000000003014000-memory.dmp
memory/4132-28-0x0000000000400000-0x0000000003014000-memory.dmp
memory/4480-10-0x0000000000400000-0x0000000003014000-memory.dmp
memory/4480-6-0x00000000034C0000-0x00000000038AC000-memory.dmp