Analysis
- max time kernel
840s - max time network
847s - platform
windows7_x64 - resource
win7-20241010-en - resource tags
- submitted
27/11/2024, 09:27
General
- Target 6b06c25fc6181adf110e8109550698897836b5c429fe9b013b2e51a3abc05343.exe
- Size 156KB
- Sample241127-le54astrfj
- SHA256 6b06c25fc6181adf110e8109550698897836b5c429fe9b013b2e51a3abc05343
Score
10/10
Malware Config
Extracted
Family
-
guloader
C2
-
https://drive.google.com/uc?export=download&id=1pWIXSVxobqZoSDMKYuItyAIYUIZhxr8a
xor.base64
Signatures
- Guloader family
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Guloader payload 2 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
- Program crash 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.
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\6b06c25fc6181adf110e8109550698897836b5c429fe9b013b2e51a3abc05343.exe"C:\Users\Admin\AppData\Local\Temp\6b06c25fc6181adf110e8109550698897836b5c429fe9b013b2e51a3abc05343.exe"1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"C:\Users\Admin\AppData\Local\Temp\6b06c25fc6181adf110e8109550698897836b5c429fe9b013b2e51a3abc05343.exe"2⤵
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2544 -s 2762⤵
- Program crash
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/2544-2-0x00000000002B0000-0x00000000002C0000-memory.dmp
memory/2544-3-0x0000000077A91000-0x0000000077B92000-memory.dmp
memory/2544-4-0x0000000077A90000-0x0000000077C39000-memory.dmp
memory/2544-5-0x00000000002B0000-0x00000000002C0000-memory.dmp