Analysis
- max time kernel
148s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260629-en - resource tags
- submitted
03/07/2026, 09:47
General
- Target cd64a0cb4d9f2b3e58f319f34ef21172106d69f3860693ac1b695cfcc491ceb5.exe
- Size 45KB
- Sample260703-lsl8caex6s
- SHA256 cd64a0cb4d9f2b3e58f319f34ef21172106d69f3860693ac1b695cfcc491ceb5
Malware Config
Extracted
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asyncrat
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0.5.8
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Default
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chickengeeks.com:80
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chickengeeks.com:22
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chickengeeks.com:8080
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chickengeeks.com:8880
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chickengeeks.com:2052
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chickengeeks.com:2082
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chickengeeks.com:2086
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chickengeeks.com:2095
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chickengeeks.com:443
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chickengeeks.com:2053
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chickengeeks.com:2083
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chickengeeks.com:2087
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chickengeeks.com:2096
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chickengeeks.com:8443
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www.chickengeeks.com:80
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www.chickengeeks.com:22
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www.chickengeeks.com:8080
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www.chickengeeks.com:8880
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www.chickengeeks.com:2052
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www.chickengeeks.com:2082
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CYdTyWMMQtFJ
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delay
0
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install
true
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install_file
3y6ryxlh.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\cd64a0cb4d9f2b3e58f319f34ef21172106d69f3860693ac1b695cfcc491ceb5.exe"C:\Users\Admin\AppData\Local\Temp\cd64a0cb4d9f2b3e58f319f34ef21172106d69f3860693ac1b695cfcc491ceb5.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 "3y6ryxlh" /tr '"C:\Users\Admin\AppData\Roaming\3y6ryxlh.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 "3y6ryxlh" /tr '"C:\Users\Admin\AppData\Roaming\3y6ryxlh.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\tmpE5A8.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\3y6ryxlh.exe"C:\Users\Admin\AppData\Roaming\3y6ryxlh.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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C:\Users\Admin\AppData\Roaming\3y6ryxlh.exe"C:\Users\Admin\AppData\Roaming\3y6ryxlh.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
prep_Activatable Class_Hermes_perf.cache
tmpE5A8.tmp.bat
3y6ryxlh.exe
memory/1996-1-0x0000000000B70000-0x0000000000B82000-memory.dmp
memory/1996-2-0x00000000742F0000-0x0000000074AAC000-memory.dmp
memory/1996-3-0x00000000056D0000-0x000000000576C000-memory.dmp
memory/1996-8-0x00000000742F0000-0x0000000074AAC000-memory.dmp
memory/1996-0-0x0000000074302000-0x0000000074303000-memory.dmp
memory/3468-14-0x0000000074180000-0x000000007493C000-memory.dmp
memory/3468-12-0x0000000074180000-0x000000007493C000-memory.dmp
memory/4544-193-0x00000280CBA10000-0x00000280CBCCC000-memory.dmp
memory/4544-202-0x00000280CBA10000-0x00000280CBCCC000-memory.dmp
memory/4620-21-0x0000022B801E0000-0x0000022B802E0000-memory.dmp
memory/4620-35-0x0000022B81DF0000-0x0000022B81E10000-memory.dmp
memory/4620-22-0x0000022B801E0000-0x0000022B802E0000-memory.dmp
memory/4620-67-0x0000022B942D0000-0x0000022B942F0000-memory.dmp
memory/4620-29-0x0000022B81EF0000-0x0000022B81FF0000-memory.dmp
memory/4620-28-0x0000022B81A60000-0x0000022B81A80000-memory.dmp