Analysis
- max time kernel
122s - max time network
127s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
05/06/2024, 01:59
General
- Target 960a287cacdeeb38a29b06b0a73f6f150be8064fd414b9e050eed13c03cbe917.exe
- Size 658KB
- Sample240605-cee3fabf67
- SHA256 960a287cacdeeb38a29b06b0a73f6f150be8064fd414b9e050eed13c03cbe917
Malware Config
Signatures
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Loads dropped DLL 2 IoCs
- Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Drops file in Program Files directory 1 IoCs
- Drops file in Windows directory 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\960a287cacdeeb38a29b06b0a73f6f150be8064fd414b9e050eed13c03cbe917.exe"C:\Users\Admin\AppData\Local\Temp\960a287cacdeeb38a29b06b0a73f6f150be8064fd414b9e050eed13c03cbe917.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\960a287cacdeeb38a29b06b0a73f6f150be8064fd414b9e050eed13c03cbe917.exe"C:\Users\Admin\AppData\Local\Temp\960a287cacdeeb38a29b06b0a73f6f150be8064fd414b9e050eed13c03cbe917.exe"2⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4796 -s 14803⤵
- Program crash
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 4796 -ip 47961⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
System.dll
memory/4752-32-0x00000000041A0000-0x0000000004E7A000-memory.dmp
memory/4752-25-0x00000000041A0000-0x0000000004E7A000-memory.dmp
memory/4752-26-0x0000000077341000-0x0000000077461000-memory.dmp
memory/4752-27-0x0000000074025000-0x0000000074026000-memory.dmp
memory/4752-45-0x00000000041A0000-0x0000000004E7A000-memory.dmp
memory/4796-34-0x0000000001660000-0x000000000233A000-memory.dmp
memory/4796-47-0x0000000000401000-0x0000000000404000-memory.dmp
memory/4796-30-0x00000000773C8000-0x00000000773C9000-memory.dmp
memory/4796-33-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4796-29-0x0000000001660000-0x000000000233A000-memory.dmp
memory/4796-44-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4796-28-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4796-31-0x00000000773E5000-0x00000000773E6000-memory.dmp
memory/4796-46-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4796-48-0x0000000077341000-0x0000000077461000-memory.dmp
memory/4796-49-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4796-50-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4796-52-0x0000000000401000-0x0000000000404000-memory.dmp
memory/4796-51-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4796-53-0x0000000001660000-0x000000000233A000-memory.dmp