Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
10/08/2026, 04:32
General
- Target 26fc8807ce9a5e6dc534c237d84c2ac7491755532a2078878bc8fb1695fcb2eb.exe
- Size 218KB
- Sample260810-e5ynksbj7s
- SHA256 26fc8807ce9a5e6dc534c237d84c2ac7491755532a2078878bc8fb1695fcb2eb
Malware Config
Extracted
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asyncrat
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0.5.8
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Default
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217.217.97.75:8787
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U1hmcTZViRT7
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delay
3
-
install
false
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install_folder
%AppData%
Signatures
- Family: AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
- Family: Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Loads dropped DLL 1 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\26fc8807ce9a5e6dc534c237d84c2ac7491755532a2078878bc8fb1695fcb2eb.exe"C:\Users\Admin\AppData\Local\Temp\26fc8807ce9a5e6dc534c237d84c2ac7491755532a2078878bc8fb1695fcb2eb.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\26fc8807ce9a5e6dc534c237d84c2ac7491755532a2078878bc8fb1695fcb2eb.exe"C:\Users\Admin\AppData\Local\Temp\26fc8807ce9a5e6dc534c237d84c2ac7491755532a2078878bc8fb1695fcb2eb.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\26fc8807ce9a5e6dc534c237d84c2ac7491755532a2078878bc8fb1695fcb2eb.exe"C:\Users\Admin\AppData\Local\Temp\26fc8807ce9a5e6dc534c237d84c2ac7491755532a2078878bc8fb1695fcb2eb.exe"2⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\26fc8807ce9a5e6dc534c237d84c2ac7491755532a2078878bc8fb1695fcb2eb.exe"C:\Users\Admin\AppData\Local\Temp\26fc8807ce9a5e6dc534c237d84c2ac7491755532a2078878bc8fb1695fcb2eb.exe"3⤵
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
System.dll
Kilometrical71.lnk
memory/3144-244-0x0000000000470000-0x00000000016C4000-memory.dmp
memory/3144-240-0x0000000077D98000-0x0000000077D99000-memory.dmp
memory/3144-241-0x0000000077E39000-0x0000000077E3A000-memory.dmp
memory/3144-242-0x0000000077DB5000-0x0000000077DB6000-memory.dmp
memory/3144-243-0x00000000016D0000-0x000000000243E000-memory.dmp
memory/3144-245-0x0000000077E39000-0x0000000077E3A000-memory.dmp
memory/3144-248-0x0000000077D11000-0x0000000077E31000-memory.dmp
memory/3144-247-0x0000000000470000-0x00000000016C4000-memory.dmp
memory/3144-249-0x0000000000470000-0x0000000000482000-memory.dmp
memory/3144-251-0x0000000077D11000-0x0000000077E31000-memory.dmp
memory/3720-238-0x0000000074A95000-0x0000000074A96000-memory.dmp
memory/3720-239-0x0000000002A50000-0x00000000037BE000-memory.dmp
memory/3720-237-0x0000000002A50000-0x00000000037BE000-memory.dmp