Analysis
- max time kernel
148s - max time network
144s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260706-en - resource tags
- submitted
08/07/2026, 05:15
General
- Target 58028f0eb3ef7f7684f852b04dc7d1e88cf0b82f4d7861c7c58c830e8da0d3ba.exe
- Size 45KB
- Sample260708-fxsyssb18p
- SHA256 58028f0eb3ef7f7684f852b04dc7d1e88cf0b82f4d7861c7c58c830e8da0d3ba
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
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x.vnphimsexhay.blog:8880
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x.vnphimsexhay.blog:2052
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x.vnphimsexhay.blog:2082
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x.vnphimsexhay.blog:2086
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x.vnphimsexhay.blog:2095
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x.vnphimsexhay.blog:443
-
x.vnphimsexhay.blog:2053
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x.vnphimsexhay.blog:2083
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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
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www.x.vnphimsexhay.blog:2052
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www.x.vnphimsexhay.blog:2082
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9q9GyAEsqaFu
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delay
0
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install
true
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install_file
iwd9.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\58028f0eb3ef7f7684f852b04dc7d1e88cf0b82f4d7861c7c58c830e8da0d3ba.exe"C:\Users\Admin\AppData\Local\Temp\58028f0eb3ef7f7684f852b04dc7d1e88cf0b82f4d7861c7c58c830e8da0d3ba.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 "iwd9" /tr '"C:\Users\Admin\AppData\Roaming\iwd9.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 "iwd9" /tr '"C:\Users\Admin\AppData\Roaming\iwd9.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\tmpFC5.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\iwd9.exe"C:\Users\Admin\AppData\Roaming\iwd9.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
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C:\Users\Admin\AppData\Roaming\iwd9.exe"C:\Users\Admin\AppData\Roaming\iwd9.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\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵
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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⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
prep_Activatable Class_Hermes_perf.cache
tmpFC5.tmp.bat
iwd9.exe
memory/2920-14-0x0000000074130000-0x00000000748EC000-memory.dmp
memory/2920-12-0x0000000074130000-0x00000000748EC000-memory.dmp
memory/4372-8-0x00000000742A0000-0x0000000074A5C000-memory.dmp
memory/4372-0-0x00000000742B2000-0x00000000742B3000-memory.dmp
memory/4372-3-0x0000000005320000-0x00000000053BC000-memory.dmp
memory/4372-2-0x00000000742A0000-0x0000000074A5C000-memory.dmp
memory/4372-1-0x00000000007C0000-0x00000000007D2000-memory.dmp
memory/4412-34-0x0000022800000000-0x0000022800100000-memory.dmp
memory/4412-59-0x0000022815080000-0x00000228150A0000-memory.dmp
memory/4412-53-0x0000022803AD0000-0x0000022803AF0000-memory.dmp
memory/4412-41-0x0000022813BF0000-0x0000022813CF0000-memory.dmp
memory/4412-35-0x0000022800000000-0x0000022800100000-memory.dmp
memory/4412-40-0x0000022803790000-0x00000228037B0000-memory.dmp
memory/4412-33-0x0000022800000000-0x0000022800100000-memory.dmp