Analysis
- max time kernel
148s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260629-en - resource tags
- submitted
06/07/2026, 08:00
General
- Target 14e5fb1883ebde0d5300ac4c89deae9d3d851b74ec6b362fb47fff9f23827fe7.exe
- Size 3.1MB
- Sample260706-jvycaafv6l
- SHA256 14e5fb1883ebde0d5300ac4c89deae9d3d851b74ec6b362fb47fff9f23827fe7
Malware Config
Extracted
-
quasar
-
1.4.1
-
Crypter
-
41.216.188.90:8081
-
af3f7719-a55b-45fb-b404-3b668373f9e1
-
encryption_key
B0D85051FDA8AE726A60C9ED332EE7CD8FFEAB80
-
install_name
Updater.exe
-
key_salt
bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
Windows Update
-
subdirectory
Windows Data
Signatures
- Family: Quasar RAT
Quasar is an open source Remote Access Tool.
- Quasar payload 1 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 4 IoCs
- Suspicious use of SetWindowsHookEx 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\14e5fb1883ebde0d5300ac4c89deae9d3d851b74ec6b362fb47fff9f23827fe7.exe"C:\Users\Admin\AppData\Local\Temp\14e5fb1883ebde0d5300ac4c89deae9d3d851b74ec6b362fb47fff9f23827fe7.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "Windows Update" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Windows Data\Updater.exe" /rl HIGHEST /f2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Roaming\Windows Data\Updater.exe"C:\Users\Admin\AppData\Roaming\Windows Data\Updater.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "Windows Update" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Windows Data\Updater.exe" /rl HIGHEST /f3⤵
- Scheduled Task/Job: Scheduled Task
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
Updater.exe
memory/5528-19-0x00007FFDB98A0000-0x00007FFDBA244000-memory.dmp
memory/5528-18-0x000000001F210000-0x000000001F2C2000-memory.dmp
memory/5528-17-0x000000001C5D0000-0x000000001C620000-memory.dmp
memory/5528-16-0x00007FFDB98A0000-0x00007FFDBA244000-memory.dmp
memory/5528-14-0x00007FFDB98A0000-0x00007FFDBA244000-memory.dmp
memory/5528-13-0x00007FFDB98A0000-0x00007FFDBA244000-memory.dmp
memory/6132-4-0x00007FFDB98A0000-0x00007FFDBA244000-memory.dmp
memory/6132-10-0x00007FFDB98A0000-0x00007FFDBA244000-memory.dmp
memory/6132-11-0x00007FFDB98A0000-0x00007FFDBA244000-memory.dmp
memory/6132-9-0x00007FFDB98A0000-0x00007FFDBA244000-memory.dmp
memory/6132-8-0x000000001C780000-0x000000001CAA4000-memory.dmp
memory/6132-5-0x00007FFDB98A0000-0x00007FFDBA244000-memory.dmp
memory/6132-15-0x00007FFDB98A0000-0x00007FFDBA244000-memory.dmp
memory/6132-0-0x00000000002B0000-0x00000000002B8000-memory.dmp
memory/6132-3-0x00007FFDB98A0000-0x00007FFDBA244000-memory.dmp
memory/6132-2-0x00007FFDB98A0000-0x00007FFDBA244000-memory.dmp
memory/6132-1-0x00007FFDB9A2F000-0x00007FFDB9A30000-memory.dmp