Analysis
- max time kernel
149s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
11/10/2026, 04:21
General
- Target 92a4bdc95e0d99200c7e703b2739ffdc1c0dd6b974bd4e97a375ad5a09b1e480.exe
- Size 3.1MB
- Sample261011-eyr78adx7n
- SHA256 92a4bdc95e0d99200c7e703b2739ffdc1c0dd6b974bd4e97a375ad5a09b1e480
Malware Config
Extracted
-
quasar
-
1.4.1
-
ghyu.in
-
ghyu.in:443
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eb5e05a5-27fb-4e3d-a84e-332dd9dd6dcb
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encryption_key
064A791F72F1A9EEE6944D54C0499DCF8FED6648
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install_name
svchost.exe
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key_salt
bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
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log_directory
Logs
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reconnect_delay
3000
-
startup_key
https://ghyu.in
-
subdirectory
SubDir
Signatures
- Family: Quasar RAT
Quasar is an open source Remote Access Tool.
- Quasar payload 2 IoCs
- Executes a file named after a Windows system binary 1 TTPs 2 IoCs
The file runs from a user directory while carrying the name of an executable that normally only exists in System32.
- Executes dropped EXE 2 IoCs
- Adds Run key to start application 2 TTPs 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 3 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\92a4bdc95e0d99200c7e703b2739ffdc1c0dd6b974bd4e97a375ad5a09b1e480.exe"C:\Users\Admin\AppData\Local\Temp\92a4bdc95e0d99200c7e703b2739ffdc1c0dd6b974bd4e97a375ad5a09b1e480.exe"1⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "https://ghyu.in" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe" /rl HIGHEST /f2⤵
- Scheduled Task/Job: Scheduled Task
-
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C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe"C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe"2⤵
- Executes a file named after a Windows system binary
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "https://ghyu.in" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\svchost.exe" /rl HIGHEST /f3⤵
- Scheduled Task/Job: Scheduled Task
-
-
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C:\Users\Admin\AppData\Roaming\SubDir\svchost.exeC:\Users\Admin\AppData\Roaming\SubDir\svchost.exe1⤵
- Executes a file named after a Windows system binary
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
svchost.exe
memory/2448-14-0x00007FF8791C0000-0x00007FF879B64000-memory.dmp
memory/2448-8-0x00007FF8791C0000-0x00007FF879B64000-memory.dmp
memory/2448-3-0x00007FF8791C0000-0x00007FF879B64000-memory.dmp
memory/2448-4-0x00007FF8791C0000-0x00007FF879B64000-memory.dmp
memory/2448-5-0x00007FF8791C0000-0x00007FF879B64000-memory.dmp
memory/2448-6-0x00007FF8791C0000-0x00007FF879B64000-memory.dmp
memory/2448-7-0x00007FF8791C0000-0x00007FF879B64000-memory.dmp
memory/2448-1-0x0000000000790000-0x0000000000AB4000-memory.dmp
memory/2448-9-0x00007FF8791C0000-0x00007FF879B64000-memory.dmp
memory/2448-10-0x00007FF8791C0000-0x00007FF879B64000-memory.dmp
memory/2448-11-0x00007FF8791C0000-0x00007FF879B64000-memory.dmp
memory/2448-12-0x00007FF8791C0000-0x00007FF879B64000-memory.dmp
memory/2448-13-0x00007FF8791C0000-0x00007FF879B64000-memory.dmp
memory/2448-0-0x00007FF87934F000-0x00007FF879350000-memory.dmp
memory/2448-2-0x00007FF8791C0000-0x00007FF879B64000-memory.dmp
memory/2448-17-0x00007FF8791C0000-0x00007FF879B64000-memory.dmp
memory/4160-21-0x00007FF8791C0000-0x00007FF879B64000-memory.dmp
memory/4160-19-0x00007FF8791C0000-0x00007FF879B64000-memory.dmp
memory/4160-20-0x00007FF8791C0000-0x00007FF879B64000-memory.dmp
memory/4160-18-0x00007FF8791C0000-0x00007FF879B64000-memory.dmp
memory/4160-22-0x00007FF8791C0000-0x00007FF879B64000-memory.dmp
memory/4160-16-0x00007FF8791C0000-0x00007FF879B64000-memory.dmp
memory/4160-23-0x00007FF8791C0000-0x00007FF879B64000-memory.dmp
memory/4160-25-0x00007FF8791C0000-0x00007FF879B64000-memory.dmp
memory/4160-24-0x00007FF8791C0000-0x00007FF879B64000-memory.dmp
memory/4160-26-0x00007FF8791C0000-0x00007FF879B64000-memory.dmp
memory/4160-28-0x000000001E460000-0x000000001E4B0000-memory.dmp
memory/4160-29-0x000000001E570000-0x000000001E622000-memory.dmp
memory/4160-30-0x00007FF8791C0000-0x00007FF879B64000-memory.dmp