Analysis
- user interaction
yes - max time kernel
900s - max time network
895s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-ja - resource tags
- submitted
13/07/2026, 04:33
General
- Target RKM-20260713-1514.7z
- Size 270KB
- Sample260713-e6t2sady9y
- SHA256 54b18666cff2721220a2aab4aaaef419b3fc22aa263edbbc43d7b3164f562f7d
Malware Config
Extracted
-
asyncrat
-
Venom RAT + HVNC + Stealer + Grabber v6.0.3
-
Default
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192.252.180.45:4449
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jsatnrumqsvfenqdgep
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delay
1
-
install
false
-
install_folder
%AppData%
Signatures
- Family: AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
- Async RAT payload 1 IoCs
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 1 IoCs
- Adds Run key to start application 2 TTPs 4 IoCs
- Modifies registry class 1 IoCs
- Suspicious behavior: EnumeratesProcesses 35 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 7 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of SetWindowsHookEx 1 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:\Program Files\7-Zip\7zFM.exe"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\RKM-20260713-1514.7z"1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵
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C:\Windows\System32\DataExchangeHost.exeC:\Windows\System32\DataExchangeHost.exe -Embedding1⤵
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C:\Users\Admin\Desktop\Tax_Notice_73774.exe"C:\Users\Admin\Desktop\Tax_Notice_73774.exe"1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RuntimeBroker\RuntimeBroker.exeC:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RuntimeBroker\RuntimeBroker.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
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\??\D:\Tax_Notice_73774.exe"D:\Tax_Notice_73774.exe"1⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
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\??\D:\Tax_Notice_73774.exe"D:\Tax_Notice_73774.exe"1⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\Tax_Notice_73774.exeC:\Users\Admin\AppData\Local\Temp\Tax_Notice_73774.exe1⤵
- Executes dropped EXE
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵
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C:\Windows\System32\SecurityHealthHost.exe\\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
RuntimeBroker.exe
nvml.dll
DataLogs.conf
memory/2044-12-0x00007FFA8AA00000-0x00007FFA8AA41000-memory.dmp
memory/2044-8-0x00007FFA8AA00000-0x00007FFA8AA41000-memory.dmp
memory/2852-20-0x000000001C9E0000-0x000000001CA56000-memory.dmp
memory/2852-3-0x0000000002040000-0x000000000205C000-memory.dmp
memory/2852-11-0x000000001B510000-0x000000001B61E000-memory.dmp
memory/2852-2-0x00007FFA8ED70000-0x00007FFA8EDB1000-memory.dmp
memory/2852-23-0x000000001CBB0000-0x000000001CBF8000-memory.dmp
memory/2852-22-0x000000001AE40000-0x000000001AE5E000-memory.dmp
memory/2852-16-0x00007FFA8ED70000-0x00007FFA8EDB1000-memory.dmp
memory/2852-21-0x000000001C410000-0x000000001C476000-memory.dmp
memory/2852-4-0x00000000020C0000-0x00000000020D8000-memory.dmp
memory/4856-19-0x00007FFA93E00000-0x00007FFA93E41000-memory.dmp
memory/4856-18-0x00007FFA93E00000-0x00007FFA93E41000-memory.dmp
memory/4960-15-0x00007FFA93E00000-0x00007FFA93E41000-memory.dmp
memory/4960-13-0x00007FFA93E00000-0x00007FFA93E41000-memory.dmp