Analysis
- max time kernel
148s - max time network
147s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260629-en - resource tags
- submitted
03/07/2026, 14:08
General
- Target f485551d12df352233a4c6f2ff2652f0a56f4cae491d9b415cb91fd2925c93ee.exe
- Size 45KB
- Sample260703-rfk3eafx2k
- SHA256 f485551d12df352233a4c6f2ff2652f0a56f4cae491d9b415cb91fd2925c93ee
Malware Config
Extracted
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asyncrat
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0.5.8
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Default
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guidingelementsmc.com:80
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guidingelementsmc.com:22
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guidingelementsmc.com:8080
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guidingelementsmc.com:8880
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guidingelementsmc.com:2052
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guidingelementsmc.com:2082
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guidingelementsmc.com:2086
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guidingelementsmc.com:2095
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guidingelementsmc.com:443
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guidingelementsmc.com:2053
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guidingelementsmc.com:2083
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guidingelementsmc.com:2087
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guidingelementsmc.com:2096
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guidingelementsmc.com:8443
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www.guidingelementsmc.com:80
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www.guidingelementsmc.com:22
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www.guidingelementsmc.com:8080
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www.guidingelementsmc.com:8880
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www.guidingelementsmc.com:2052
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www.guidingelementsmc.com:2082
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kPMUctYQDVNJ
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delay
0
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install
true
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install_file
ys729.exe
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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
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 7 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- 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 29 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\f485551d12df352233a4c6f2ff2652f0a56f4cae491d9b415cb91fd2925c93ee.exe"C:\Users\Admin\AppData\Local\Temp\f485551d12df352233a4c6f2ff2652f0a56f4cae491d9b415cb91fd2925c93ee.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "ys729" /tr '"C:\Users\Admin\AppData\Roaming\ys729.exe"' & exit2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "ys729" /tr '"C:\Users\Admin\AppData\Roaming\ys729.exe"'3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpE6D1.tmp.bat""2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
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C:\Users\Admin\AppData\Roaming\ys729.exe"C:\Users\Admin\AppData\Roaming\ys729.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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C:\Users\Admin\AppData\Roaming\ys729.exe"C:\Users\Admin\AppData\Roaming\ys729.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\sihost.exesihost.exe1⤵
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C:\Windows\explorer.exeexplorer.exe /LOADSAVEDWINDOWS2⤵
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C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca1⤵
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C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
prep_Activatable Class_Hermes_perf.cache
tmpE6D1.tmp.bat
ys729.exe
memory/1836-16-0x000001F9801E0000-0x000001F9802E0000-memory.dmp
memory/1836-37-0x000001F981A30000-0x000001F981A50000-memory.dmp
memory/1836-38-0x000002018B390000-0x000002018B490000-memory.dmp
memory/1836-62-0x000002018BBF0000-0x000002018BC10000-memory.dmp
memory/1836-43-0x000001F981C90000-0x000001F981CB0000-memory.dmp
memory/1996-8-0x00000000742F0000-0x0000000074AAC000-memory.dmp
memory/1996-0-0x0000000074302000-0x0000000074303000-memory.dmp
memory/1996-3-0x00000000058D0000-0x000000000596C000-memory.dmp
memory/1996-2-0x00000000742F0000-0x0000000074AAC000-memory.dmp
memory/1996-1-0x0000000000D70000-0x0000000000D82000-memory.dmp
memory/3108-14-0x0000000074120000-0x00000000748DC000-memory.dmp
memory/3108-12-0x0000000074120000-0x00000000748DC000-memory.dmp
memory/3872-184-0x0000000005F20000-0x00000000060EA000-memory.dmp