Analysis
- max time kernel
17s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260706-en - resource tags
- submitted
08/07/2026, 11:52
General
- Target WaveForm_Audio_Studio_2026_Ultimate_Edition_setup_x64.exe
- Size 3.1MB
- Sample260708-n11rtae15z
- SHA256 212e4def404616ed0c341502c949b40520730f917cc4d33a788a78f9c548352f
Malware Config
Extracted
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quasar
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1.4.1
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WaveForm Audio Studio
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roweswharfwatertransport.co:4782
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f168h.com:4782
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dmradvocaten.nl:4782
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welfortune.com.tw:4782
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torrentwiz.me:4782
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ondernemend-callantsoog.nl:4782
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manada.travel:4782
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9fb0f9bc-5de2-4c0f-9b10-7e98243ebcef
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encryption_key
FAA6DCCCB5AA917EA4E50E1D9897AB35BE84AF27
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install_name
WaveForm_Audio_Studio_2026_Ultimate_Edition_setup_x64.exe
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key_salt
bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
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log_directory
Logs
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reconnect_delay
3000
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startup_key
WaveForm Audio Studio
-
subdirectory
WaveForm Audio Studio
Signatures
- Family: Quasar RAT
Quasar is an open source Remote Access Tool.
- Quasar payload 2 IoCs
- Executes dropped EXE 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of SendNotifyMessage 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\WaveForm_Audio_Studio_2026_Ultimate_Edition_setup_x64.exe"C:\Users\Admin\AppData\Local\Temp\WaveForm_Audio_Studio_2026_Ultimate_Edition_setup_x64.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "WaveForm Audio Studio" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\WaveForm Audio Studio\WaveForm_Audio_Studio_2026_Ultimate_Edition_setup_x64.exe" /rl HIGHEST /f2⤵
- Scheduled Task/Job: Scheduled Task
-
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C:\Users\Admin\AppData\Roaming\WaveForm Audio Studio\WaveForm_Audio_Studio_2026_Ultimate_Edition_setup_x64.exe"C:\Users\Admin\AppData\Roaming\WaveForm Audio Studio\WaveForm_Audio_Studio_2026_Ultimate_Edition_setup_x64.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "WaveForm Audio Studio" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\WaveForm Audio Studio\WaveForm_Audio_Studio_2026_Ultimate_Edition_setup_x64.exe" /rl HIGHEST /f3⤵
- Scheduled Task/Job: Scheduled Task
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-
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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
Loading Replay Monitor...
Downloads
prep_Activatable Class_Hermes_perf.cache
WaveForm_Audio_Studio_2026_Ultimate_Edition_setup_x64.exe
memory/3016-60-0x000001C581E30000-0x000001C581F30000-memory.dmp
memory/3016-59-0x000001C581A10000-0x000001C581A30000-memory.dmp
memory/3016-53-0x000001C5801E0000-0x000001C5802E0000-memory.dmp
memory/3016-99-0x000001C5941F0000-0x000001C594210000-memory.dmp
memory/3016-73-0x000001C581C70000-0x000001C581C90000-memory.dmp
memory/4044-30-0x000000001CEF0000-0x000000001CF40000-memory.dmp
memory/4044-24-0x00007FFBB5450000-0x00007FFBB5DF4000-memory.dmp
memory/4044-52-0x00007FFBB5450000-0x00007FFBB5DF4000-memory.dmp
memory/4044-31-0x000000001D000000-0x000000001D0B2000-memory.dmp
memory/4044-29-0x00007FFBB5450000-0x00007FFBB5DF4000-memory.dmp
memory/4044-28-0x00007FFBB5450000-0x00007FFBB5DF4000-memory.dmp
memory/4044-27-0x00007FFBB5450000-0x00007FFBB5DF4000-memory.dmp
memory/4044-26-0x00007FFBB5450000-0x00007FFBB5DF4000-memory.dmp
memory/4044-16-0x00007FFBB5450000-0x00007FFBB5DF4000-memory.dmp
memory/4044-25-0x00007FFBB5450000-0x00007FFBB5DF4000-memory.dmp
memory/4044-17-0x00007FFBB5450000-0x00007FFBB5DF4000-memory.dmp
memory/4044-19-0x00007FFBB5450000-0x00007FFBB5DF4000-memory.dmp
memory/4044-20-0x00007FFBB5450000-0x00007FFBB5DF4000-memory.dmp
memory/4044-21-0x00007FFBB5450000-0x00007FFBB5DF4000-memory.dmp
memory/4044-22-0x00007FFBB5450000-0x00007FFBB5DF4000-memory.dmp
memory/4044-23-0x00007FFBB5450000-0x00007FFBB5DF4000-memory.dmp
memory/4360-18-0x00007FFBB5450000-0x00007FFBB5DF4000-memory.dmp
memory/4360-5-0x00007FFBB5450000-0x00007FFBB5DF4000-memory.dmp
memory/4360-7-0x00007FFBB5450000-0x00007FFBB5DF4000-memory.dmp
memory/4360-13-0x00007FFBB5450000-0x00007FFBB5DF4000-memory.dmp
memory/4360-12-0x00007FFBB5450000-0x00007FFBB5DF4000-memory.dmp
memory/4360-11-0x00007FFBB5450000-0x00007FFBB5DF4000-memory.dmp
memory/4360-14-0x00007FFBB5450000-0x00007FFBB5DF4000-memory.dmp
memory/4360-0-0x00007FFBB55DF000-0x00007FFBB55E0000-memory.dmp
memory/4360-8-0x00007FFBB5450000-0x00007FFBB5DF4000-memory.dmp
memory/4360-9-0x00007FFBB5450000-0x00007FFBB5DF4000-memory.dmp
memory/4360-10-0x00007FFBB5450000-0x00007FFBB5DF4000-memory.dmp
memory/4360-6-0x00007FFBB5450000-0x00007FFBB5DF4000-memory.dmp
memory/4360-4-0x00007FFBB5450000-0x00007FFBB5DF4000-memory.dmp
memory/4360-3-0x00007FFBB5450000-0x00007FFBB5DF4000-memory.dmp
memory/4360-2-0x00007FFBB5450000-0x00007FFBB5DF4000-memory.dmp
memory/4360-1-0x0000000000970000-0x0000000000C94000-memory.dmp
memory/5840-227-0x000000000D060000-0x000000000D12C000-memory.dmp