Analysis
- max time kernel
149s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
17/09/2026, 06:38
General
- Target nyecoin.io.exe
- Size 3.1MB
- Sample260917-hd3d8saa82
- SHA256 1397eef8ac5ec1ddb81ea31fd3e75e946d9630e6006283239421c0d52da3e7de
Malware Config
Extracted
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quasar
-
1.4.1
-
Office04
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nyecoin.io:443
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www.nyecoin.io:443
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nyecoin.io:80
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www.nyecoin.io:80
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7238e812-23a0-4a7b-8e82-cb1d0f3b0e5a
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encryption_key
ED3227F773701D05083B11A65776F95F93EEEF5E
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install_name
Client.exe
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key_salt
bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
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log_directory
Logs
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reconnect_delay
3000
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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
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C:\Users\Admin\AppData\Local\Temp\nyecoin.io.exe"C:\Users\Admin\AppData\Local\Temp\nyecoin.io.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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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
-
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C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f3⤵
- Scheduled Task/Job: Scheduled Task
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-
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C:\Users\Admin\AppData\Roaming\SubDir\Client.exeC:\Users\Admin\AppData\Roaming\SubDir\Client.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
Client.exe
memory/1912-26-0x00007FFAFC750000-0x00007FFAFD0F4000-memory.dmp
memory/1912-25-0x000000001D0F0000-0x000000001D1A2000-memory.dmp
memory/1912-24-0x000000001CFE0000-0x000000001D030000-memory.dmp
memory/1912-22-0x00007FFAFC750000-0x00007FFAFD0F4000-memory.dmp
memory/1912-19-0x00007FFAFC750000-0x00007FFAFD0F4000-memory.dmp
memory/1912-21-0x00007FFAFC750000-0x00007FFAFD0F4000-memory.dmp
memory/1912-18-0x00007FFAFC750000-0x00007FFAFD0F4000-memory.dmp
memory/1912-17-0x00007FFAFC750000-0x00007FFAFD0F4000-memory.dmp
memory/1912-16-0x00007FFAFC750000-0x00007FFAFD0F4000-memory.dmp
memory/5252-6-0x00007FFAFC750000-0x00007FFAFD0F4000-memory.dmp
memory/5252-8-0x00007FFAFC750000-0x00007FFAFD0F4000-memory.dmp
memory/5252-12-0x00007FFAFC750000-0x00007FFAFD0F4000-memory.dmp
memory/5252-13-0x00007FFAFC750000-0x00007FFAFD0F4000-memory.dmp
memory/5252-14-0x00007FFAFC750000-0x00007FFAFD0F4000-memory.dmp
memory/5252-10-0x00007FFAFC750000-0x00007FFAFD0F4000-memory.dmp
memory/5252-9-0x00007FFAFC750000-0x00007FFAFD0F4000-memory.dmp
memory/5252-11-0x00007FFAFC750000-0x00007FFAFD0F4000-memory.dmp
memory/5252-7-0x00007FFAFC750000-0x00007FFAFD0F4000-memory.dmp
memory/5252-20-0x00007FFAFC750000-0x00007FFAFD0F4000-memory.dmp
memory/5252-0-0x00007FFAFC8DF000-0x00007FFAFC8E0000-memory.dmp
memory/5252-5-0x00007FFAFC750000-0x00007FFAFD0F4000-memory.dmp
memory/5252-4-0x00007FFAFC750000-0x00007FFAFD0F4000-memory.dmp
memory/5252-3-0x00007FFAFC750000-0x00007FFAFD0F4000-memory.dmp
memory/5252-2-0x00007FFAFC750000-0x00007FFAFD0F4000-memory.dmp
memory/5252-1-0x0000000000350000-0x0000000000674000-memory.dmp