Analysis
- max time kernel
149s - max time network
155s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
31/03/2026, 16:50
General
- Target veilnote.exe
- Size 3.5MB
- Sample260331-vcj8gsfs6s
- SHA256 2330a77c33b41ebc720bd355e95ec88663a331075bea194b96334c0b7c89ce05
Malware Config
Extracted
-
quasar
-
1.4.1
-
veil
-
go88.inc:4782
-
flywingcourier.in.net:4782
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flywingcourier.in.net:443
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flywingcourier.in.net:8888
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flywingcourier.in.net:8848
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sc88882.com:8848
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sc88882.com:443
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sc88882.com:4782
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sagestream.sa.com:4782
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sagestream.sa.com:443
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sagestream.sa.com:8888
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xn--3kqw74a81mpni5rau92aqo3c.jpn.com:4782
-
11608b33-16fe-4072-b6a5-4d8155d8dd68
-
encryption_key
2DA8E1B5D18EAA4561218BCAF7CC51C403CE73ED
-
install_name
veilnote.exe
-
key_salt
bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
veilnote
-
subdirectory
C:\Users\[User]\Documents\VeilNote\veilnote.exe
Signatures
- Quasar RAT
Quasar is an open source Remote Access Tool.
- Quasar family
- 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 FindShellTrayWindow 1 IoCs
- Suspicious use of SendNotifyMessage 1 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\veilnote.exe"C:\Users\Admin\AppData\Local\Temp\veilnote.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "veilnote" /sc ONLOGON /tr "C:\Users\[User]\Documents\VeilNote\veilnote.exe\veilnote.exe" /rl HIGHEST /f2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\[User]\Documents\VeilNote\veilnote.exe\veilnote.exe"C:\Users\[User]\Documents\VeilNote\veilnote.exe\veilnote.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "veilnote" /sc ONLOGON /tr "C:\Users\[User]\Documents\VeilNote\veilnote.exe\veilnote.exe" /rl HIGHEST /f3⤵
- Scheduled Task/Job: Scheduled Task
-
-
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C:\Users\[User]\Documents\VeilNote\veilnote.exe\veilnote.exeC:\Users\[User]\Documents\VeilNote\veilnote.exe\veilnote.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
veilnote.exe.log
veilnote.exe
memory/444-14-0x000000001CEC0000-0x000000001CF72000-memory.dmp
memory/444-18-0x000000001BF10000-0x000000001C6BE000-memory.dmp
memory/444-19-0x00000000019B0000-0x00000000019BC000-memory.dmp
memory/444-20-0x0000000001B70000-0x0000000001B82000-memory.dmp
memory/444-21-0x000000001BF00000-0x000000001BF10000-memory.dmp
memory/444-11-0x000000001BF00000-0x000000001BF10000-memory.dmp
memory/444-13-0x000000001CDB0000-0x000000001CE00000-memory.dmp
memory/1236-7-0x000000001BC10000-0x000000001C3BE000-memory.dmp
memory/1236-8-0x0000000001A00000-0x0000000001A0C000-memory.dmp
memory/1236-0-0x0000000000BD0000-0x0000000000F4E000-memory.dmp
memory/1236-9-0x000000001CAB0000-0x000000001CAC2000-memory.dmp
memory/1236-1-0x000000001BBA0000-0x000000001BBB0000-memory.dmp
memory/1476-15-0x000000001BB20000-0x000000001C2CE000-memory.dmp
memory/1476-17-0x000000001C6C0000-0x000000001C6D2000-memory.dmp
memory/1476-16-0x00000000017A0000-0x00000000017AC000-memory.dmp