Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
28/06/2026, 04:11
General
- Target eonloader.exe
- Size 3.1MB
- Sample260628-er4bxae19k
- SHA256 70e572e6bb848f0f1e716bf28d1f694145271198273d80fd79937bf69e0fd697
Malware Config
Extracted
-
quasar
-
1.4.1
-
Office04
-
127.0.0.1:25565
-
c48af711-347d-48e4-8e23-29496534a130
-
encryption_key
86E7A370A9F7D327CF0145804C74301A1BA66EF0
-
install_name
Eon Loader.exe
-
key_salt
bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
msinfo.exe
-
subdirectory
SubDir
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
-
C:\Users\Admin\AppData\Local\Temp\eonloader.exe"C:\Users\Admin\AppData\Local\Temp\eonloader.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "msinfo.exe" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Eon Loader.exe" /rl HIGHEST /f2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Roaming\SubDir\Eon Loader.exe"C:\Users\Admin\AppData\Roaming\SubDir\Eon Loader.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 "msinfo.exe" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Eon Loader.exe" /rl HIGHEST /f3⤵
- Scheduled Task/Job: Scheduled Task
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
Eon Loader.exe
memory/3436-0-0x00000000007B0000-0x0000000000AD4000-memory.dmp
memory/3436-1-0x0000000002C70000-0x0000000002C80000-memory.dmp
memory/4504-8-0x000000001BE00000-0x000000001BE10000-memory.dmp
memory/4504-9-0x000000001C850000-0x000000001C8A0000-memory.dmp
memory/4504-10-0x000000001C960000-0x000000001CA12000-memory.dmp