Analysis
- max time kernel
149s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
10/05/2026, 14:45
General
- Target hyperastro.exe
- Size 49KB
- Sample260510-r4sr6ady6k
- SHA256 be325b9cc973ccd930094f73b3886ed98a178fa691ab1b8a77cd2143aea4e299
Malware Config
Extracted
-
asyncrat
-
0.5.6A
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null
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hyper.in.net:6606
-
hyper.in.net:7707
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hyper.in.net:8808
-
hyper.in.net:64
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hyper.in.net:44
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hyper.in.net:443
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swingmasters.in.net:6606
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swingmasters.in.net:7707
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swingmasters.in.net:8808
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swingmasters.in.net:64
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swingmasters.in.net:44
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swingmasters.in.net:443
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astrologerkalidasji.in.net:6606
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astrologerkalidasji.in.net:7707
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astrologerkalidasji.in.net:8808
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astrologerkalidasji.in.net:64
-
astrologerkalidasji.in.net:44
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astrologerkalidasji.in.net:443
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hyperastro_mutex
-
delay
5
-
install
true
-
install_file
hyperastro.exe
-
install_folder
%AppData%
Signatures
- Family: AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
- Executes dropped EXE 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Delays execution with timeout.exe 1 IoCs
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 20 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\hyperastro.exe"C:\Users\Admin\AppData\Local\Temp\hyperastro.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /sc ONLOGON /RL HIGHEST /tn "'hyperastro"' /tr "'C:\Users\Admin\AppData\Roaming\hyperastro.exe"'2⤵
- Scheduled Task/Job: Scheduled Task
-
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp3767.tmp.bat""2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
-
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C:\Users\Admin\AppData\Roaming\hyperastro.exe"C:\Users\Admin\AppData\Roaming\hyperastro.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
hyperastro.exe.log
tmp3767.tmp.bat
hyperastro.exe
memory/768-10-0x0000000001710000-0x0000000001741000-memory.dmp
memory/768-3-0x0000000001780000-0x000000000178C000-memory.dmp
memory/768-5-0x000000001BD10000-0x000000001BD20000-memory.dmp
memory/768-0-0x0000000000F00000-0x0000000000F12000-memory.dmp
memory/768-11-0x0000000001780000-0x000000000178C000-memory.dmp
memory/768-4-0x0000000003040000-0x0000000003052000-memory.dmp
memory/768-2-0x0000000001710000-0x0000000001741000-memory.dmp
memory/768-1-0x000000001BD10000-0x000000001BD20000-memory.dmp
memory/2908-14-0x000001D5C5100000-0x000001D5C5131000-memory.dmp
memory/4252-19-0x00000000019F0000-0x0000000001A21000-memory.dmp
memory/4252-21-0x0000000003000000-0x0000000003012000-memory.dmp
memory/4252-20-0x0000000002FF0000-0x0000000002FFC000-memory.dmp