Analysis
- max time kernel
148s - max time network
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
09/08/2026, 15:23
General
- Target TronOS.exe
- Size 3.1MB
- Sample260809-ssvm2shj9y
- SHA256 1ee1d0bf7ed9baaadc6e0b8ee30c0b511de7cde5e07ec3f5f58fad0830a0c30e
Malware Config
Extracted
-
quasar
-
1.4.1
-
Office04
-
4.tcp.ngrok.io:28069
-
33ff4640-c1a2-43f1-9848-be5660426c73
-
encryption_key
038D43E2FE7B6047366A969351D0A5A7575371E8
-
install_name
Client.exe
-
key_salt
bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
TronOS
-
subdirectory
SubDir
Signatures
- Family: Quasar RAT
Quasar is an open source Remote Access Tool.
- Quasar payload 2 IoCs
- Executes dropped EXE 1 IoCs
- Contacts third-party web service commonly abused for C2 1 TTPs 1 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
- Drops file in Program Files directory 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 2 IoCs
- Suspicious use of SendNotifyMessage 2 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
-
C:\Users\Admin\AppData\Local\Temp\TronOS.exe"C:\Users\Admin\AppData\Local\Temp\TronOS.exe"1⤵
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "TronOS" /sc ONLOGON /tr "C:\Program Files\SubDir\Client.exe" /rl HIGHEST /f2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Program Files\SubDir\Client.exe"C:\Program Files\SubDir\Client.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "TronOS" /sc ONLOGON /tr "C:\Program Files\SubDir\Client.exe" /rl HIGHEST /f3⤵
- Scheduled Task/Job: Scheduled Task
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
Client.exe
memory/1144-24-0x00007FFB282E0000-0x00007FFB28C84000-memory.dmp
memory/1144-26-0x00007FFB282E0000-0x00007FFB28C84000-memory.dmp
memory/1144-34-0x000000001CAB0000-0x000000001CAEC000-memory.dmp
memory/1144-33-0x000000001CA50000-0x000000001CA62000-memory.dmp
memory/1144-32-0x00007FFB282E0000-0x00007FFB28C84000-memory.dmp
memory/1144-31-0x000000001CAF0000-0x000000001CBA2000-memory.dmp
memory/1144-30-0x000000001C9E0000-0x000000001CA30000-memory.dmp
memory/1144-29-0x00007FFB282E0000-0x00007FFB28C84000-memory.dmp
memory/1144-28-0x00007FFB282E0000-0x00007FFB28C84000-memory.dmp
memory/1144-27-0x00007FFB282E0000-0x00007FFB28C84000-memory.dmp
memory/1144-19-0x00007FFB282E0000-0x00007FFB28C84000-memory.dmp
memory/1144-17-0x00007FFB282E0000-0x00007FFB28C84000-memory.dmp
memory/1144-25-0x00007FFB282E0000-0x00007FFB28C84000-memory.dmp
memory/1144-23-0x00007FFB282E0000-0x00007FFB28C84000-memory.dmp
memory/1144-15-0x00007FFB282E0000-0x00007FFB28C84000-memory.dmp
memory/1144-16-0x00007FFB282E0000-0x00007FFB28C84000-memory.dmp
memory/1144-21-0x00007FFB282E0000-0x00007FFB28C84000-memory.dmp
memory/1144-18-0x00007FFB282E0000-0x00007FFB28C84000-memory.dmp
memory/1144-20-0x00007FFB282E0000-0x00007FFB28C84000-memory.dmp
memory/6664-9-0x00007FFB282E0000-0x00007FFB28C84000-memory.dmp
memory/6664-7-0x00007FFB282E0000-0x00007FFB28C84000-memory.dmp
memory/6664-22-0x00007FFB282E0000-0x00007FFB28C84000-memory.dmp
memory/6664-1-0x0000000000FB0000-0x00000000012D4000-memory.dmp
memory/6664-0-0x00007FFB2846F000-0x00007FFB28470000-memory.dmp
memory/6664-11-0x00007FFB282E0000-0x00007FFB28C84000-memory.dmp
memory/6664-2-0x00007FFB282E0000-0x00007FFB28C84000-memory.dmp
memory/6664-12-0x00007FFB282E0000-0x00007FFB28C84000-memory.dmp
memory/6664-13-0x00007FFB282E0000-0x00007FFB28C84000-memory.dmp
memory/6664-8-0x00007FFB282E0000-0x00007FFB28C84000-memory.dmp
memory/6664-10-0x00007FFB282E0000-0x00007FFB28C84000-memory.dmp
memory/6664-6-0x00007FFB282E0000-0x00007FFB28C84000-memory.dmp
memory/6664-5-0x00007FFB282E0000-0x00007FFB28C84000-memory.dmp
memory/6664-4-0x00007FFB282E0000-0x00007FFB28C84000-memory.dmp
memory/6664-3-0x00007FFB282E0000-0x00007FFB28C84000-memory.dmp