Analysis
- max time kernel
2s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
15/01/2024, 04:58
General
- Target 5c32185f1a4109d7ba20c0d7c0438823.exe
- Size 4.5MB
- Sample240115-fl93yahgfr
- SHA256 83e6bfdcb70d84b907103c7e7934addfbaf03973ca068bd4b7310bd7f19387cf
Malware Config
Extracted
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metasploit
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windows/single_exec
Signatures
- Glupteba
Glupteba is a modular loader written in Golang with various components.
- Glupteba payload 20 IoCs
- MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
- Modifies Windows Firewall 1 TTPs 1 IoCs
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- GoLang User-Agent 4 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
Processes
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C:\Users\Admin\AppData\Local\Temp\5c32185f1a4109d7ba20c0d7c0438823.exe"C:\Users\Admin\AppData\Local\Temp\5c32185f1a4109d7ba20c0d7c0438823.exe"1⤵
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C:\Users\Admin\AppData\Local\Temp\5c32185f1a4109d7ba20c0d7c0438823.exe"C:\Users\Admin\AppData\Local\Temp\5c32185f1a4109d7ba20c0d7c0438823.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.exe /94-943⤵
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
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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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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
injector.exe
csrss.exe
csrss.exe
memory/1340-7-0x00000000052C0000-0x00000000056FE000-memory.dmp
memory/1340-8-0x0000000000400000-0x0000000003679000-memory.dmp
memory/1340-16-0x0000000000400000-0x0000000003679000-memory.dmp
memory/1964-2-0x0000000005900000-0x0000000006226000-memory.dmp
memory/1964-3-0x0000000000400000-0x0000000003679000-memory.dmp
memory/1964-4-0x0000000000400000-0x0000000003679000-memory.dmp
memory/1964-6-0x0000000005900000-0x0000000006226000-memory.dmp
memory/1964-1-0x00000000054B0000-0x00000000058F8000-memory.dmp
memory/3628-27-0x0000000005800000-0x0000000005D00000-memory.dmp
memory/3628-33-0x0000000000400000-0x0000000003679000-memory.dmp
memory/3628-21-0x0000000000400000-0x0000000003679000-memory.dmp
memory/3628-19-0x0000000005800000-0x0000000005D00000-memory.dmp
memory/3628-28-0x0000000000400000-0x0000000003679000-memory.dmp
memory/3628-29-0x0000000000400000-0x0000000003679000-memory.dmp
memory/3628-30-0x0000000000400000-0x0000000003679000-memory.dmp
memory/3628-31-0x0000000000400000-0x0000000003679000-memory.dmp
memory/3628-32-0x0000000000400000-0x0000000003679000-memory.dmp
memory/3628-20-0x0000000000400000-0x0000000003679000-memory.dmp
memory/3628-34-0x0000000000400000-0x0000000003679000-memory.dmp
memory/3628-35-0x0000000000400000-0x0000000003679000-memory.dmp
memory/3628-36-0x0000000000400000-0x0000000003679000-memory.dmp
memory/3628-37-0x0000000000400000-0x0000000003679000-memory.dmp
memory/3628-38-0x0000000000400000-0x0000000003679000-memory.dmp
memory/3628-39-0x0000000000400000-0x0000000003679000-memory.dmp
memory/3628-40-0x0000000000400000-0x0000000003679000-memory.dmp
memory/3628-41-0x0000000000400000-0x0000000003679000-memory.dmp