Analysis
- max time kernel
1s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
22/05/2026, 23:08
General
- Target tmpe93aiivw.exe
- Size 4.1MB
- Sample260522-24v8dsfz3l
- SHA256 7e6b5771c463d761b031935e575bab8635692d84cc54aed9b30c0c943e351816
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
- Program crash 5 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
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C:\Users\Admin\AppData\Local\Temp\tmpe93aiivw.exe"C:\Users\Admin\AppData\Local\Temp\tmpe93aiivw.exe"1⤵
- System Location Discovery: System Language Discovery
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C:\Users\Admin\AppData\Local\Temp\tmpe93aiivw.exe"C:\Users\Admin\AppData\Local\Temp\tmpe93aiivw.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\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5464 -s 6563⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 5464 -ip 54641⤵
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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\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 6000 -s 8363⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5792 -s 8362⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 5792 -ip 57921⤵
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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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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2064 -s 6123⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4920 -s 6922⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 6000 -ip 60001⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 4920 -ip 49201⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 2064 -ip 20641⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
injector.exe
csrss.exe
memory/2064-29-0x0000000000400000-0x0000000000C91000-memory.dmp
memory/4920-27-0x0000000000400000-0x0000000000C91000-memory.dmp
memory/5216-2-0x0000000002E10000-0x0000000003687000-memory.dmp
memory/5216-3-0x0000000000400000-0x0000000000C91000-memory.dmp
memory/5216-4-0x0000000002E10000-0x0000000003687000-memory.dmp
memory/5216-1-0x0000000002A10000-0x0000000002E02000-memory.dmp
memory/5464-6-0x0000000002A10000-0x0000000002E02000-memory.dmp
memory/5464-11-0x0000000000400000-0x0000000000C91000-memory.dmp
memory/5612-30-0x0000000000400000-0x0000000000C91000-memory.dmp
memory/5612-35-0x0000000000400000-0x0000000000C91000-memory.dmp
memory/5612-43-0x0000000000400000-0x0000000000C91000-memory.dmp
memory/5612-31-0x0000000000400000-0x0000000000C91000-memory.dmp
memory/5612-32-0x0000000000400000-0x0000000000C91000-memory.dmp
memory/5612-33-0x0000000000400000-0x0000000000C91000-memory.dmp
memory/5612-34-0x0000000000400000-0x0000000000C91000-memory.dmp
memory/5612-42-0x0000000000400000-0x0000000000C91000-memory.dmp
memory/5612-36-0x0000000000400000-0x0000000000C91000-memory.dmp
memory/5612-37-0x0000000000400000-0x0000000000C91000-memory.dmp
memory/5612-38-0x0000000000400000-0x0000000000C91000-memory.dmp
memory/5612-39-0x0000000000400000-0x0000000000C91000-memory.dmp
memory/5612-40-0x0000000000400000-0x0000000000C91000-memory.dmp
memory/5612-41-0x0000000000400000-0x0000000000C91000-memory.dmp
memory/5792-16-0x0000000000400000-0x0000000000C91000-memory.dmp
memory/6000-24-0x0000000000400000-0x0000000000C91000-memory.dmp