Analysis
- max time kernel
148s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260629-en - resource tags
- submitted
01/07/2026, 09:37
General
- Target f33937753ba5fb0de47c5e94a67b65f72b8d3c75f3430a22d53d47afbb7e23e5.exe
- Size 45KB
- Sample260701-llyb2acz8x
- SHA256 f33937753ba5fb0de47c5e94a67b65f72b8d3c75f3430a22d53d47afbb7e23e5
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.clipsexsub.co.uk:80
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x.clipsexsub.co.uk:22
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x.clipsexsub.co.uk:8080
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x.clipsexsub.co.uk:8880
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x.clipsexsub.co.uk:2052
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x.clipsexsub.co.uk:2082
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x.clipsexsub.co.uk:2086
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x.clipsexsub.co.uk:2095
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x.clipsexsub.co.uk:443
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x.clipsexsub.co.uk:2053
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x.clipsexsub.co.uk:2083
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x.clipsexsub.co.uk:2087
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x.clipsexsub.co.uk:2096
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x.clipsexsub.co.uk:8443
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www.x.clipsexsub.co.uk:80
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www.x.clipsexsub.co.uk:22
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www.x.clipsexsub.co.uk:8080
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www.x.clipsexsub.co.uk:8880
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www.x.clipsexsub.co.uk:2052
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www.x.clipsexsub.co.uk:2082
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nMHCl1mcQZGF
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delay
0
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install
true
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install_file
2ktk5uo.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\f33937753ba5fb0de47c5e94a67b65f72b8d3c75f3430a22d53d47afbb7e23e5.exe"C:\Users\Admin\AppData\Local\Temp\f33937753ba5fb0de47c5e94a67b65f72b8d3c75f3430a22d53d47afbb7e23e5.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 "2ktk5uo" /tr '"C:\Users\Admin\AppData\Roaming\2ktk5uo.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 "2ktk5uo" /tr '"C:\Users\Admin\AppData\Roaming\2ktk5uo.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\tmp23DA.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\2ktk5uo.exe"C:\Users\Admin\AppData\Roaming\2ktk5uo.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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C:\Users\Admin\AppData\Roaming\2ktk5uo.exe"C:\Users\Admin\AppData\Roaming\2ktk5uo.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
prep_Activatable Class_Hermes_perf.cache
tmp23DA.tmp.bat
2ktk5uo.exe
memory/2864-12-0x0000000074150000-0x000000007490C000-memory.dmp
memory/2864-14-0x0000000074150000-0x000000007490C000-memory.dmp
memory/2996-203-0x000000000E220000-0x000000000E38C000-memory.dmp
memory/4728-85-0x000002A715300000-0x000002A715320000-memory.dmp
memory/4728-16-0x000002A7001E0000-0x000002A7002E0000-memory.dmp
memory/4728-53-0x000002A703E00000-0x000002A703F00000-memory.dmp
memory/4728-63-0x000002A703C20000-0x000002A703C40000-memory.dmp
memory/4728-52-0x000002A703BB0000-0x000002A703BD0000-memory.dmp
memory/5444-8-0x00000000742C0000-0x0000000074A7C000-memory.dmp
memory/5444-3-0x0000000005190000-0x000000000522C000-memory.dmp
memory/5444-2-0x00000000742C0000-0x0000000074A7C000-memory.dmp
memory/5444-0-0x00000000742D2000-0x00000000742D3000-memory.dmp
memory/5444-1-0x0000000000600000-0x0000000000612000-memory.dmp