Analysis
- max time kernel
148s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
30/09/2026, 05:15
General
- Target mb66.kids.exe
- Size 3.1MB
- Sample260930-fxmrsavyct
- SHA256 3da2cd5db37b14c0ff1fee78103df7a09a5bea68e0e332913cbddd2e88f62e39
Malware Config
Extracted
-
quasar
-
1.4.1
-
Office04
-
mb66.kids:443
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www.mb66.kids:443
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mb66.kids:80
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www.mb66.kids:80
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a3011c01-6ee6-458c-81ff-b0a2b62378d6
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encryption_key
ED3227F773701D05083B11A65776F95F93EEEF5E
-
install_name
Client.exe
-
key_salt
bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
Quasar Client Startup
-
subdirectory
SubDir
Signatures
- Family: Quasar RAT
Quasar is an open source Remote Access Tool.
- Quasar payload 2 IoCs
- Executes dropped EXE 2 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 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
-
C:\Users\Admin\AppData\Local\Temp\mb66.kids.exe"C:\Users\Admin\AppData\Local\Temp\mb66.kids.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Roaming\SubDir\Client.exeC:\Users\Admin\AppData\Roaming\SubDir\Client.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f2⤵
- Scheduled Task/Job: Scheduled Task
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
Client.exe
memory/1296-36-0x000000001D640000-0x000000001D6F2000-memory.dmp
memory/1296-25-0x00007FFEFB730000-0x00007FFEFC0D4000-memory.dmp
memory/1296-47-0x00007FFEFB730000-0x00007FFEFC0D4000-memory.dmp
memory/1296-30-0x00007FFEFB730000-0x00007FFEFC0D4000-memory.dmp
memory/1296-31-0x00007FFEFB730000-0x00007FFEFC0D4000-memory.dmp
memory/1296-29-0x00007FFEFB730000-0x00007FFEFC0D4000-memory.dmp
memory/1296-28-0x00007FFEFB730000-0x00007FFEFC0D4000-memory.dmp
memory/1296-27-0x00007FFEFB730000-0x00007FFEFC0D4000-memory.dmp
memory/1296-34-0x000000001D530000-0x000000001D580000-memory.dmp
memory/1296-26-0x00007FFEFB730000-0x00007FFEFC0D4000-memory.dmp
memory/1296-23-0x00007FFEFB730000-0x00007FFEFC0D4000-memory.dmp
memory/1296-22-0x00007FFEFB730000-0x00007FFEFC0D4000-memory.dmp
memory/1296-24-0x00007FFEFB730000-0x00007FFEFC0D4000-memory.dmp
memory/1296-21-0x00007FFEFB730000-0x00007FFEFC0D4000-memory.dmp
memory/1296-19-0x00007FFEFB730000-0x00007FFEFC0D4000-memory.dmp
memory/1296-18-0x00007FFEFB730000-0x00007FFEFC0D4000-memory.dmp
memory/4928-38-0x00007FFEFB730000-0x00007FFEFC0D4000-memory.dmp
memory/4928-45-0x00007FFEFB730000-0x00007FFEFC0D4000-memory.dmp
memory/4928-37-0x00007FFEFB730000-0x00007FFEFC0D4000-memory.dmp
memory/4928-40-0x00007FFEFB730000-0x00007FFEFC0D4000-memory.dmp
memory/4928-39-0x00007FFEFB730000-0x00007FFEFC0D4000-memory.dmp
memory/4928-41-0x00007FFEFB730000-0x00007FFEFC0D4000-memory.dmp
memory/4928-35-0x00007FFEFB730000-0x00007FFEFC0D4000-memory.dmp
memory/4928-32-0x00007FFEFB730000-0x00007FFEFC0D4000-memory.dmp
memory/4928-20-0x00007FFEFB730000-0x00007FFEFC0D4000-memory.dmp
memory/4928-43-0x00007FFEFB730000-0x00007FFEFC0D4000-memory.dmp
memory/4928-42-0x00007FFEFB730000-0x00007FFEFC0D4000-memory.dmp
memory/4928-44-0x00007FFEFB730000-0x00007FFEFC0D4000-memory.dmp
memory/4928-33-0x00007FFEFB730000-0x00007FFEFC0D4000-memory.dmp
memory/4928-46-0x00007FFEFB730000-0x00007FFEFC0D4000-memory.dmp
memory/5504-13-0x00007FFEFB730000-0x00007FFEFC0D4000-memory.dmp
memory/5504-17-0x00007FFEFB730000-0x00007FFEFC0D4000-memory.dmp
memory/5504-0-0x00007FFEFB8BF000-0x00007FFEFB8C0000-memory.dmp
memory/5504-2-0x00007FFEFB730000-0x00007FFEFC0D4000-memory.dmp
memory/5504-1-0x0000000000E80000-0x00000000011A4000-memory.dmp
memory/5504-14-0x00007FFEFB730000-0x00007FFEFC0D4000-memory.dmp
memory/5504-12-0x00007FFEFB730000-0x00007FFEFC0D4000-memory.dmp
memory/5504-11-0x00007FFEFB730000-0x00007FFEFC0D4000-memory.dmp
memory/5504-10-0x00007FFEFB730000-0x00007FFEFC0D4000-memory.dmp
memory/5504-9-0x00007FFEFB730000-0x00007FFEFC0D4000-memory.dmp
memory/5504-8-0x00007FFEFB730000-0x00007FFEFC0D4000-memory.dmp
memory/5504-7-0x00007FFEFB730000-0x00007FFEFC0D4000-memory.dmp
memory/5504-6-0x00007FFEFB730000-0x00007FFEFC0D4000-memory.dmp
memory/5504-5-0x00007FFEFB730000-0x00007FFEFC0D4000-memory.dmp
memory/5504-4-0x00007FFEFB730000-0x00007FFEFC0D4000-memory.dmp
memory/5504-3-0x00007FFEFB730000-0x00007FFEFC0D4000-memory.dmp