Analysis
- max time kernel
148s - max time network
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260706-en - resource tags
- submitted
07/07/2026, 09:38
General
- Target caa8af73b67f2d770ddd2957d9ac1bf5a41caf9681f378c1ba27b90bd3433d87.exe
- Size 45KB
- Sample260707-ll9easbz3p
- SHA256 caa8af73b67f2d770ddd2957d9ac1bf5a41caf9681f378c1ba27b90bd3433d87
Malware Config
Extracted
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asyncrat
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0.5.8
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Default
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vnphimsexhay.blog:80
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vnphimsexhay.blog:22
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vnphimsexhay.blog:8080
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vnphimsexhay.blog:8880
-
vnphimsexhay.blog:2052
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vnphimsexhay.blog:2082
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vnphimsexhay.blog:2086
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vnphimsexhay.blog:2095
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vnphimsexhay.blog:443
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vnphimsexhay.blog:2053
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vnphimsexhay.blog:2083
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vnphimsexhay.blog:2087
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vnphimsexhay.blog:2096
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vnphimsexhay.blog:8443
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www.vnphimsexhay.blog:80
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www.vnphimsexhay.blog:22
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www.vnphimsexhay.blog:8080
-
www.vnphimsexhay.blog:8880
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www.vnphimsexhay.blog:2052
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www.vnphimsexhay.blog:2082
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wvzY1FxRtcJi
-
delay
0
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install
true
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install_file
ptt52s.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 27 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\caa8af73b67f2d770ddd2957d9ac1bf5a41caf9681f378c1ba27b90bd3433d87.exe"C:\Users\Admin\AppData\Local\Temp\caa8af73b67f2d770ddd2957d9ac1bf5a41caf9681f378c1ba27b90bd3433d87.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 "ptt52s" /tr '"C:\Users\Admin\AppData\Roaming\ptt52s.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 "ptt52s" /tr '"C:\Users\Admin\AppData\Roaming\ptt52s.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\tmp5DF5.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\ptt52s.exe"C:\Users\Admin\AppData\Roaming\ptt52s.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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C:\Users\Admin\AppData\Roaming\ptt52s.exe"C:\Users\Admin\AppData\Roaming\ptt52s.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
tmp5DF5.tmp.bat
ptt52s.exe
memory/1284-1-0x0000000000730000-0x0000000000742000-memory.dmp
memory/1284-2-0x0000000074420000-0x0000000074BDC000-memory.dmp
memory/1284-3-0x0000000005120000-0x00000000051BC000-memory.dmp
memory/1284-8-0x0000000074420000-0x0000000074BDC000-memory.dmp
memory/1284-0-0x0000000074432000-0x0000000074433000-memory.dmp
memory/2256-190-0x000000000D8F0000-0x000000000D96C000-memory.dmp
memory/4488-14-0x0000000074220000-0x00000000749DC000-memory.dmp
memory/4488-12-0x0000000074220000-0x00000000749DC000-memory.dmp
memory/5088-66-0x0000025E03C90000-0x0000025E03CB0000-memory.dmp
memory/5088-81-0x0000025E141D0000-0x0000025E141F0000-memory.dmp
memory/5088-49-0x0000025E13DE0000-0x0000025E13EE0000-memory.dmp
memory/5088-48-0x0000025E03930000-0x0000025E03950000-memory.dmp
memory/5088-37-0x0000025E001E0000-0x0000025E002E0000-memory.dmp
memory/5088-36-0x0000025E001E0000-0x0000025E002E0000-memory.dmp
memory/5088-35-0x0000025E001E0000-0x0000025E002E0000-memory.dmp