Analysis
- max time kernel
148s - max time network
144s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260706-en - resource tags
- submitted
07/07/2026, 17:53
General
- Target d136841da0068249ac9245d12c8e99a944a7188a21be66b9a75565571c7935a0.exe
- Size 45KB
- Sample260707-wglsjsbs4w
- SHA256 d136841da0068249ac9245d12c8e99a944a7188a21be66b9a75565571c7935a0
Malware Config
Extracted
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asyncrat
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0.5.8
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Default
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sexviet74.com:80
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sexviet74.com:22
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sexviet74.com:8080
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sexviet74.com:8880
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sexviet74.com:2052
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sexviet74.com:2082
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sexviet74.com:2086
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sexviet74.com:2095
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sexviet74.com:443
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sexviet74.com:2053
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sexviet74.com:2083
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sexviet74.com:2087
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sexviet74.com:2096
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sexviet74.com:8443
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www.sexviet74.com:80
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www.sexviet74.com:22
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www.sexviet74.com:8080
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www.sexviet74.com:8880
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www.sexviet74.com:2052
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www.sexviet74.com:2082
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FWVtcoV6tHwe
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delay
0
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install
true
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install_file
99dv.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 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\d136841da0068249ac9245d12c8e99a944a7188a21be66b9a75565571c7935a0.exe"C:\Users\Admin\AppData\Local\Temp\d136841da0068249ac9245d12c8e99a944a7188a21be66b9a75565571c7935a0.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 "99dv" /tr '"C:\Users\Admin\AppData\Roaming\99dv.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 "99dv" /tr '"C:\Users\Admin\AppData\Roaming\99dv.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\tmp24B5.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\99dv.exe"C:\Users\Admin\AppData\Roaming\99dv.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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C:\Users\Admin\AppData\Roaming\99dv.exe"C:\Users\Admin\AppData\Roaming\99dv.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
tmp24B5.tmp.bat
99dv.exe
memory/204-186-0x000000000ABF0000-0x000000000AD7E000-memory.dmp
memory/4508-14-0x0000000074670000-0x0000000074E2C000-memory.dmp
memory/4508-12-0x0000000074670000-0x0000000074E2C000-memory.dmp
memory/5260-9-0x0000000074670000-0x0000000074E2C000-memory.dmp
memory/5260-3-0x0000000004DD0000-0x0000000004E6C000-memory.dmp
memory/5260-0-0x0000000074682000-0x0000000074683000-memory.dmp
memory/5260-2-0x0000000074670000-0x0000000074E2C000-memory.dmp
memory/5260-1-0x0000000000270000-0x0000000000282000-memory.dmp
memory/5272-78-0x000001CA04250000-0x000001CA04270000-memory.dmp
memory/5272-33-0x000001CA03A30000-0x000001CA03A50000-memory.dmp
memory/5272-16-0x000001CA001E0000-0x000001CA002E0000-memory.dmp
memory/5272-46-0x000001CA03B90000-0x000001CA03BB0000-memory.dmp
memory/5272-34-0x000001CA03EE0000-0x000001CA03FE0000-memory.dmp