Analysis
- max time kernel
150s - max time network
143s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
20/08/2026, 00:42
General
- Target 2026-08-19_06524d2704e9e41f707f550e5a47e371_akira_glassworm_quasar-rat.exe
- Size 2.9MB
- Sample260820-a2n8hsaf62
- SHA256 e6383750490a5cc7e229e649252b92699031cd46d3f9fc103edcea885c95186c
Malware Config
Signatures
- Detects executables referencing virtualization MAC addresses 9 IoCs
- Creates a file in the Startup directory 1 TTPs 2 IoCs
A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.
- Executes dropped EXE 1 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Executes a command shell one-liner 1 TTPs 2 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
- Enumerates system info in registry 2 TTPs 2 IoCs
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 4 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\2026-08-19_06524d2704e9e41f707f550e5a47e371_akira_glassworm_quasar-rat.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-19_06524d2704e9e41f707f550e5a47e371_akira_glassworm_quasar-rat.exe"1⤵
- Creates a file in the Startup directory
- Adds Run key to start application
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\cmd.exe"cmd.exe" /c "schtasks /create /tn \"MicrosoftEdgeUpdateTask\" /tr \"\\\"C:\Users\Admin\AppData\Local\Temp\2026-08-19_06524d2704e9e41f707f550e5a47e371_akira_glassworm_quasar-rat.exe\\\"\" /sc onlogon /rl highest /f"2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\schtasks.exeschtasks /create /tn \"MicrosoftEdgeUpdateTask\" /tr \"\\\"C:\Users\Admin\AppData\Local\Temp\2026-08-19_06524d2704e9e41f707f550e5a47e371_akira_glassworm_quasar-rat.exe\\\"\" /sc onlogon /rl highest /f3⤵
- Scheduled Task/Job: Scheduled Task
-
-
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C:\Windows\system32\cmd.exe"cmd.exe" /c "/c ping -n 4 127.0.0.1 >nul 2>&1 & del /f /q \"C:\Users\Admin\AppData\Local\Temp\2026-08-19_06524d2704e9e41f707f550e5a47e371_akira_glassworm_quasar-rat.exe\" >nul 2>&1"2⤵
- Executes a command shell one-liner
- System Network Configuration Discovery: Internet Connection Discovery
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\MicrosoftEdgeUpdate.exeC:\Users\Admin\AppData\Roaming\Microsoft\Windows\MicrosoftEdgeUpdate.exe1⤵
- Executes dropped EXE
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Scheduled Task/Job
1Scheduled Task
1Replay Monitor
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Downloads
MicrosoftEdgeUpdate.exe
memory/6432-0-0x00007FF7A9D50000-0x00007FF7AA03F000-memory.dmp
memory/6432-8-0x00007FF7A9D50000-0x00007FF7AA03F000-memory.dmp
memory/6432-11-0x00007FF7A9D50000-0x00007FF7AA03F000-memory.dmp
memory/6432-12-0x00007FF7A9D50000-0x00007FF7AA03F000-memory.dmp
memory/6432-13-0x00007FF7A9D50000-0x00007FF7AA03F000-memory.dmp
memory/6432-14-0x00007FF7A9D50000-0x00007FF7AA03F000-memory.dmp
memory/6432-15-0x00007FF7A9D50000-0x00007FF7AA03F000-memory.dmp
memory/6536-10-0x00007FF64A140000-0x00007FF64A42F000-memory.dmp