Analysis
- max time kernel
150s - max time network
158s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260706-en - resource tags
- submitted
07/07/2026, 15:21
General
- Target 67a3d606e03da69f7ffccbfc6719b02ef3f5ac92c743660ece84b46ae59815b5.exe
- Size 45KB
- Sample260707-srekfags2w
- SHA256 67a3d606e03da69f7ffccbfc6719b02ef3f5ac92c743660ece84b46ae59815b5
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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cjDWxmgu9hJv
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delay
0
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install
true
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install_file
h7j8.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 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 6 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 1 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\67a3d606e03da69f7ffccbfc6719b02ef3f5ac92c743660ece84b46ae59815b5.exe"C:\Users\Admin\AppData\Local\Temp\67a3d606e03da69f7ffccbfc6719b02ef3f5ac92c743660ece84b46ae59815b5.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 "h7j8" /tr '"C:\Users\Admin\AppData\Roaming\h7j8.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 "h7j8" /tr '"C:\Users\Admin\AppData\Roaming\h7j8.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\tmpB2.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\h7j8.exe"C:\Users\Admin\AppData\Roaming\h7j8.exe"3⤵
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C:\Users\Admin\AppData\Roaming\h7j8.exe"C:\Users\Admin\AppData\Roaming\h7j8.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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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
tmpB2.tmp.bat
h7j8.exe
memory/1836-190-0x00000269EF000000-0x00000269EF29E000-memory.dmp
memory/2728-14-0x00000000742B0000-0x0000000074A6C000-memory.dmp
memory/2728-12-0x00000000742B0000-0x0000000074A6C000-memory.dmp
memory/4724-17-0x0000022E001E0000-0x0000022E002E0000-memory.dmp
memory/4724-16-0x0000022E001E0000-0x0000022E002E0000-memory.dmp
memory/4724-62-0x0000022E04140000-0x0000022E04160000-memory.dmp
memory/4724-28-0x0000022E03E70000-0x0000022E03F70000-memory.dmp
memory/4724-27-0x0000022E03A50000-0x0000022E03A70000-memory.dmp
memory/4724-30-0x0000022E03E10000-0x0000022E03E30000-memory.dmp
memory/4724-18-0x0000022E001E0000-0x0000022E002E0000-memory.dmp
memory/4724-189-0x0000022E07BA0000-0x0000022E07E3E000-memory.dmp
memory/4880-3-0x00000000051C0000-0x000000000525C000-memory.dmp
memory/4880-0-0x00000000742C2000-0x00000000742C3000-memory.dmp
memory/4880-2-0x00000000742B0000-0x0000000074A6C000-memory.dmp
memory/4880-9-0x00000000742B0000-0x0000000074A6C000-memory.dmp
memory/4880-1-0x00000000006D0000-0x00000000006E2000-memory.dmp