Analysis
- max time kernel
148s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260629-en - resource tags
- submitted
06/07/2026, 05:45
General
- Target 0aa8c29f977e886045e8cdb4af3e3d622595f7fdcf8f781f9b72c064bcdeee35.exe
- Size 45KB
- Sample260706-gf3mcad18p
- SHA256 0aa8c29f977e886045e8cdb4af3e3d622595f7fdcf8f781f9b72c064bcdeee35
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.sexvietsubs.blog:80
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x.sexvietsubs.blog:22
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x.sexvietsubs.blog:8080
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x.sexvietsubs.blog:8880
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x.sexvietsubs.blog:2052
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x.sexvietsubs.blog:2082
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x.sexvietsubs.blog:2086
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x.sexvietsubs.blog:2095
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x.sexvietsubs.blog:443
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x.sexvietsubs.blog:2053
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x.sexvietsubs.blog:2083
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x.sexvietsubs.blog:2087
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x.sexvietsubs.blog:2096
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x.sexvietsubs.blog:8443
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www.x.sexvietsubs.blog:80
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www.x.sexvietsubs.blog:22
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www.x.sexvietsubs.blog:8080
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www.x.sexvietsubs.blog:8880
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www.x.sexvietsubs.blog:2052
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www.x.sexvietsubs.blog:2082
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cIY3rqPUTYMo
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delay
0
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install
true
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install_file
ubmm8.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\0aa8c29f977e886045e8cdb4af3e3d622595f7fdcf8f781f9b72c064bcdeee35.exe"C:\Users\Admin\AppData\Local\Temp\0aa8c29f977e886045e8cdb4af3e3d622595f7fdcf8f781f9b72c064bcdeee35.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 "ubmm8" /tr '"C:\Users\Admin\AppData\Roaming\ubmm8.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 "ubmm8" /tr '"C:\Users\Admin\AppData\Roaming\ubmm8.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\tmp8652.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\ubmm8.exe"C:\Users\Admin\AppData\Roaming\ubmm8.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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C:\Users\Admin\AppData\Roaming\ubmm8.exe"C:\Users\Admin\AppData\Roaming\ubmm8.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
tmp8652.tmp.bat
ubmm8.exe
memory/1192-14-0x0000000074B50000-0x000000007530C000-memory.dmp
memory/1192-12-0x0000000074B50000-0x000000007530C000-memory.dmp
memory/1948-8-0x0000000074CC0000-0x000000007547C000-memory.dmp
memory/1948-3-0x0000000005390000-0x000000000542C000-memory.dmp
memory/1948-2-0x0000000074CC0000-0x000000007547C000-memory.dmp
memory/1948-0-0x0000000074CD2000-0x0000000074CD3000-memory.dmp
memory/1948-1-0x0000000000840000-0x0000000000852000-memory.dmp
memory/5636-178-0x000000000E3B0000-0x000000000EC2B000-memory.dmp
memory/5960-24-0x0000021482A50000-0x0000021482A70000-memory.dmp
memory/5960-29-0x0000021482C90000-0x0000021482CB0000-memory.dmp
memory/5960-16-0x00000214801E0000-0x00000214802E0000-memory.dmp
memory/5960-40-0x0000021494660000-0x0000021494680000-memory.dmp
memory/5960-25-0x0000021482E70000-0x0000021482F70000-memory.dmp