Analysis
- max time kernel
148s - max time network
147s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260706-en - resource tags
- submitted
08/07/2026, 06:32
General
- Target e552c3e441530f3ee8e39cd3dcfe1318967b56a63c81257c8a0cfb4f76fd276f.exe
- Size 45KB
- Sample260708-halmbacz7n
- SHA256 e552c3e441530f3ee8e39cd3dcfe1318967b56a63c81257c8a0cfb4f76fd276f
Malware Config
Extracted
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asyncrat
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0.5.8
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Default
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sexviet74.com:80
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sexviet74.com:22
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sexviet74.com:8080
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sexviet74.com:8880
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sexviet74.com:2052
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sexviet74.com:2082
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sexviet74.com:2086
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sexviet74.com:2095
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sexviet74.com:443
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sexviet74.com:2053
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sexviet74.com:2083
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sexviet74.com:2087
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sexviet74.com:2096
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sexviet74.com:8443
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www.sexviet74.com:80
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www.sexviet74.com:22
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www.sexviet74.com:8080
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www.sexviet74.com:8880
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www.sexviet74.com:2052
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www.sexviet74.com:2082
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zxGRzGTJd120
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delay
0
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install
true
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install_file
miuan.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\e552c3e441530f3ee8e39cd3dcfe1318967b56a63c81257c8a0cfb4f76fd276f.exe"C:\Users\Admin\AppData\Local\Temp\e552c3e441530f3ee8e39cd3dcfe1318967b56a63c81257c8a0cfb4f76fd276f.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 "miuan" /tr '"C:\Users\Admin\AppData\Roaming\miuan.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 "miuan" /tr '"C:\Users\Admin\AppData\Roaming\miuan.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\tmp1DCF.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\miuan.exe"C:\Users\Admin\AppData\Roaming\miuan.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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C:\Users\Admin\AppData\Roaming\miuan.exe"C:\Users\Admin\AppData\Roaming\miuan.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
tmp1DCF.tmp.bat
miuan.exe
memory/2728-14-0x00000000744D0000-0x0000000074C8C000-memory.dmp
memory/2728-12-0x00000000744D0000-0x0000000074C8C000-memory.dmp
memory/4512-198-0x00000267A37F0000-0x00000267A3A8E000-memory.dmp
memory/5272-81-0x0000016215210000-0x0000016215230000-memory.dmp
memory/5272-35-0x0000016200150000-0x0000016200250000-memory.dmp
memory/5272-43-0x00000162019A0000-0x00000162019C0000-memory.dmp
memory/5272-44-0x0000016201E60000-0x0000016201F60000-memory.dmp
memory/5272-58-0x0000016201CD0000-0x0000016201CF0000-memory.dmp
memory/5272-197-0x0000016217B40000-0x0000016217DDE000-memory.dmp
memory/6004-8-0x0000000074670000-0x0000000074E2C000-memory.dmp
memory/6004-3-0x0000000005AD0000-0x0000000005B6C000-memory.dmp
memory/6004-2-0x0000000074670000-0x0000000074E2C000-memory.dmp
memory/6004-0-0x0000000074682000-0x0000000074683000-memory.dmp
memory/6004-1-0x0000000000FA0000-0x0000000000FB2000-memory.dmp