Analysis
- max time kernel
6s - max time network
147s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260706-en - resource tags
- submitted
07/07/2026, 07:59
General
- Target aa0c00c50bc3cd7832a6db8c6cc04143de1436b07adc2cf3044147295117f5e1.exe
- Size 45KB
- Sample260707-jvkfesc161
- SHA256 aa0c00c50bc3cd7832a6db8c6cc04143de1436b07adc2cf3044147295117f5e1
Malware Config
Extracted
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asyncrat
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0.5.8
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Default
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x.vnphimsexhay.blog:80
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x.vnphimsexhay.blog:22
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x.vnphimsexhay.blog:8080
-
x.vnphimsexhay.blog:8880
-
x.vnphimsexhay.blog:2052
-
x.vnphimsexhay.blog:2082
-
x.vnphimsexhay.blog:2086
-
x.vnphimsexhay.blog:2095
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x.vnphimsexhay.blog:443
-
x.vnphimsexhay.blog:2053
-
x.vnphimsexhay.blog:2083
-
x.vnphimsexhay.blog:2087
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x.vnphimsexhay.blog:2096
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x.vnphimsexhay.blog:8443
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www.x.vnphimsexhay.blog:80
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www.x.vnphimsexhay.blog:22
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www.x.vnphimsexhay.blog:8080
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www.x.vnphimsexhay.blog:8880
-
www.x.vnphimsexhay.blog:2052
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www.x.vnphimsexhay.blog:2082
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6Mzc6i0mSt1x
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delay
0
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install
true
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install_file
oya69t1.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 27 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\aa0c00c50bc3cd7832a6db8c6cc04143de1436b07adc2cf3044147295117f5e1.exe"C:\Users\Admin\AppData\Local\Temp\aa0c00c50bc3cd7832a6db8c6cc04143de1436b07adc2cf3044147295117f5e1.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 "oya69t1" /tr '"C:\Users\Admin\AppData\Roaming\oya69t1.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 "oya69t1" /tr '"C:\Users\Admin\AppData\Roaming\oya69t1.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\tmp6D56.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\oya69t1.exe"C:\Users\Admin\AppData\Roaming\oya69t1.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
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C:\Users\Admin\AppData\Roaming\oya69t1.exe"C:\Users\Admin\AppData\Roaming\oya69t1.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
tmp6D56.tmp.bat
oya69t1.exe
memory/2000-14-0x0000000074090000-0x000000007484C000-memory.dmp
memory/2000-12-0x0000000074090000-0x000000007484C000-memory.dmp
memory/2788-28-0x000001D513E90000-0x000001D513F90000-memory.dmp
memory/2788-16-0x000001D5001E0000-0x000001D5002E0000-memory.dmp
memory/2788-18-0x000001D5001E0000-0x000001D5002E0000-memory.dmp
memory/2788-61-0x000001D514210000-0x000001D514230000-memory.dmp
memory/2788-47-0x000001D503E10000-0x000001D503E30000-memory.dmp
memory/2788-27-0x000001D503A50000-0x000001D503A70000-memory.dmp
memory/3132-197-0x000000000E950000-0x000000000F1CB000-memory.dmp
memory/5672-8-0x0000000074200000-0x00000000749BC000-memory.dmp
memory/5672-3-0x0000000005AD0000-0x0000000005B6C000-memory.dmp
memory/5672-2-0x0000000074200000-0x00000000749BC000-memory.dmp
memory/5672-1-0x0000000000F50000-0x0000000000F62000-memory.dmp
memory/5672-0-0x0000000074212000-0x0000000074213000-memory.dmp