Analysis
- max time kernel
150s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260706-en - resource tags
- submitted
07/07/2026, 10:44
General
- Target ChronoTask_Scheduler_Pro_2026.07_Full_Installer_x64.exe
- Size 3.1MB
- Sample260707-msxvhsds7k
- SHA256 3e19f96dcb06a996e6866fb6fa9d384bd4dff9634307b7c4a8da494b57938eb6
Malware Config
Extracted
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quasar
-
1.4.1
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ChronoTask Scheduler
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slotdepositlinkaja.com.co:4782
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gg88se.com:4782
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electroauto.com.co:4782
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creator.co.com:4782
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ae8dcb22-0b36-44f3-9d68-bb12b71df41c
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encryption_key
FAA6DCCCB5AA917EA4E50E1D9897AB35BE84AF27
-
install_name
ChronoTask_Scheduler_Pro_2026.07_Full_Installer_x64.exe
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key_salt
bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
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log_directory
Logs
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reconnect_delay
3000
-
startup_key
ChronoTask Scheduler
-
subdirectory
ChronoTask Scheduler
Signatures
- Family: Quasar RAT
Quasar is an open source Remote Access Tool.
- Quasar payload 2 IoCs
- Executes dropped EXE 1 IoCs
- 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 WriteProcessMemory 2 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\ChronoTask_Scheduler_Pro_2026.07_Full_Installer_x64.exe"C:\Users\Admin\AppData\Local\Temp\ChronoTask_Scheduler_Pro_2026.07_Full_Installer_x64.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "ChronoTask Scheduler" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\ChronoTask Scheduler\ChronoTask_Scheduler_Pro_2026.07_Full_Installer_x64.exe" /rl HIGHEST /f2⤵
- Scheduled Task/Job: Scheduled Task
-
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C:\Users\Admin\AppData\Roaming\ChronoTask Scheduler\ChronoTask_Scheduler_Pro_2026.07_Full_Installer_x64.exe"C:\Users\Admin\AppData\Roaming\ChronoTask Scheduler\ChronoTask_Scheduler_Pro_2026.07_Full_Installer_x64.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "ChronoTask Scheduler" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\ChronoTask Scheduler\ChronoTask_Scheduler_Pro_2026.07_Full_Installer_x64.exe" /rl HIGHEST /f3⤵
- Scheduled Task/Job: Scheduled Task
-
-
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C:\Windows\system32\sihost.exesihost.exe1⤵
- Suspicious use of FindShellTrayWindow
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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
ChronoTask_Scheduler_Pro_2026.07_Full_Installer_x64.exe
memory/1224-76-0x000001D783C90000-0x000001D783CB0000-memory.dmp
memory/1224-51-0x000001D7801E0000-0x000001D7802E0000-memory.dmp
memory/1224-52-0x000001D7801E0000-0x000001D7802E0000-memory.dmp
memory/1224-64-0x000001D783930000-0x000001D783950000-memory.dmp
memory/1224-65-0x000001D793E90000-0x000001D793F90000-memory.dmp
memory/1224-97-0x000001D7946A0000-0x000001D7946C0000-memory.dmp
memory/1224-53-0x000001D7801E0000-0x000001D7802E0000-memory.dmp
memory/3776-221-0x0000000007EC0000-0x0000000007F24000-memory.dmp
memory/3776-220-0x000000000E190000-0x000000000E25C000-memory.dmp
memory/4488-22-0x00007FFFAA0B0000-0x00007FFFAAA54000-memory.dmp
memory/4488-28-0x00007FFFAA0B0000-0x00007FFFAAA54000-memory.dmp
memory/4488-219-0x00007FFFAA0B0000-0x00007FFFAAA54000-memory.dmp
memory/4488-32-0x000000001D6C0000-0x000000001D772000-memory.dmp
memory/4488-31-0x000000001D5B0000-0x000000001D600000-memory.dmp
memory/4488-16-0x00007FFFAA0B0000-0x00007FFFAAA54000-memory.dmp
memory/4488-17-0x00007FFFAA0B0000-0x00007FFFAAA54000-memory.dmp
memory/4488-18-0x00007FFFAA0B0000-0x00007FFFAAA54000-memory.dmp
memory/4488-19-0x00007FFFAA0B0000-0x00007FFFAAA54000-memory.dmp
memory/4488-20-0x00007FFFAA0B0000-0x00007FFFAAA54000-memory.dmp
memory/4488-21-0x00007FFFAA0B0000-0x00007FFFAAA54000-memory.dmp
memory/4488-30-0x00007FFFAA0B0000-0x00007FFFAAA54000-memory.dmp
memory/4488-23-0x00007FFFAA0B0000-0x00007FFFAAA54000-memory.dmp
memory/4488-25-0x00007FFFAA0B0000-0x00007FFFAAA54000-memory.dmp
memory/4488-26-0x00007FFFAA0B0000-0x00007FFFAAA54000-memory.dmp
memory/4488-29-0x00007FFFAA0B0000-0x00007FFFAAA54000-memory.dmp
memory/4488-27-0x00007FFFAA0B0000-0x00007FFFAAA54000-memory.dmp
memory/4792-7-0x00007FFFAA0B0000-0x00007FFFAAA54000-memory.dmp
memory/4792-6-0x00007FFFAA0B0000-0x00007FFFAAA54000-memory.dmp
memory/4792-0-0x00007FFFAA23F000-0x00007FFFAA240000-memory.dmp
memory/4792-11-0x00007FFFAA0B0000-0x00007FFFAAA54000-memory.dmp
memory/4792-14-0x00007FFFAA0B0000-0x00007FFFAAA54000-memory.dmp
memory/4792-10-0x00007FFFAA0B0000-0x00007FFFAAA54000-memory.dmp
memory/4792-24-0x00007FFFAA0B0000-0x00007FFFAAA54000-memory.dmp
memory/4792-9-0x00007FFFAA0B0000-0x00007FFFAAA54000-memory.dmp
memory/4792-12-0x00007FFFAA0B0000-0x00007FFFAAA54000-memory.dmp
memory/4792-8-0x00007FFFAA0B0000-0x00007FFFAAA54000-memory.dmp
memory/4792-5-0x00007FFFAA0B0000-0x00007FFFAAA54000-memory.dmp
memory/4792-4-0x00007FFFAA0B0000-0x00007FFFAAA54000-memory.dmp
memory/4792-3-0x00007FFFAA0B0000-0x00007FFFAAA54000-memory.dmp
memory/4792-13-0x00007FFFAA0B0000-0x00007FFFAAA54000-memory.dmp
memory/4792-2-0x00007FFFAA0B0000-0x00007FFFAAA54000-memory.dmp
memory/4792-1-0x0000000000560000-0x0000000000884000-memory.dmp