Analysis
- max time kernel
148s - max time network
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
04/08/2026, 11:26
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-03_6eb2ad53c53ceaf405b3c3bc28553c74_akira_glassworm_quasar-rat.exe
Resource
win10v2004-20260513-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-03_6eb2ad53c53ceaf405b3c3bc28553c74_akira_glassworm_quasar-rat.exe
Resource
win11ltsc2024-20260709-en
8 signatures
150 seconds
General
- Target 2026-08-03_6eb2ad53c53ceaf405b3c3bc28553c74_akira_glassworm_quasar-rat.exe
- Size 6.2MB
- Sample260804-njwrjaac66
- SHA256 429467fa585ec4f7e0c27495676a107226f3364e6770060c34e9b364c92fa8ac
- MD5 6eb2ad53c53ceaf405b3c3bc28553c74
- SHA1 7985528016d283b11cd66e3aacc6e1e792729cf6
- SHA512 926928c03d6a59d0733e319ef4b5548f6f74b49c9581730a83432cceabdb769c17a7a7b6660c5c275b8d56951d970cacdf9344a7f78ffebdbb00b4d87946a631
- SSDEEP 98304:r6jy+7u2wTM/Qto7v5kxIPkxawphUuvIFjO+JHd:rFzQvuGtdOQ
- TLSH T19E666C43F6A390EDC56BC074835AA233FA32B85905317AAB57D0CB313E52F60AE5DB54
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detects executables referencing combination of virtualization drivers 1 IoCs
resource yara_rule behavioral2/memory/4328-0-0x00007FF620400000-0x00007FF620A40000-memory.dmp INDICATOR_SUSPICIOUS_VM_Evasion_VirtDrvComb - Looks for VirtualBox drivers on disk 2 TTPs 4 IoCs
description ioc Process File opened (read-only) C:\Windows\System32\drivers\VBoxMouse.sys 2026-08-03_6eb2ad53c53ceaf405b3c3bc28553c74_akira_glassworm_quasar-rat.exe File opened (read-only) C:\Windows\System32\drivers\VBoxGuest.sys 2026-08-03_6eb2ad53c53ceaf405b3c3bc28553c74_akira_glassworm_quasar-rat.exe File opened (read-only) C:\Windows\System32\drivers\VBoxSF.sys 2026-08-03_6eb2ad53c53ceaf405b3c3bc28553c74_akira_glassworm_quasar-rat.exe File opened (read-only) C:\Windows\System32\drivers\VBoxVideo.sys 2026-08-03_6eb2ad53c53ceaf405b3c3bc28553c74_akira_glassworm_quasar-rat.exe - Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
pid Process 4628 powershell.exe - Looks for VMWare drivers on disk 2 TTPs 3 IoCs
description ioc Process File opened (read-only) C:\Windows\System32\drivers\vmmouse.sys 2026-08-03_6eb2ad53c53ceaf405b3c3bc28553c74_akira_glassworm_quasar-rat.exe File opened (read-only) C:\Windows\System32\drivers\vmci.sys 2026-08-03_6eb2ad53c53ceaf405b3c3bc28553c74_akira_glassworm_quasar-rat.exe File opened (read-only) C:\Windows\System32\drivers\vmhgfs.sys 2026-08-03_6eb2ad53c53ceaf405b3c3bc28553c74_akira_glassworm_quasar-rat.exe - Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS 2026-08-03_6eb2ad53c53ceaf405b3c3bc28553c74_akira_glassworm_quasar-rat.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer 2026-08-03_6eb2ad53c53ceaf405b3c3bc28553c74_akira_glassworm_quasar-rat.exe - Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 4328 2026-08-03_6eb2ad53c53ceaf405b3c3bc28553c74_akira_glassworm_quasar-rat.exe 4328 2026-08-03_6eb2ad53c53ceaf405b3c3bc28553c74_akira_glassworm_quasar-rat.exe 4328 2026-08-03_6eb2ad53c53ceaf405b3c3bc28553c74_akira_glassworm_quasar-rat.exe 4328 2026-08-03_6eb2ad53c53ceaf405b3c3bc28553c74_akira_glassworm_quasar-rat.exe 4628 powershell.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4628 powershell.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4328 wrote to memory of 4628 4328 2026-08-03_6eb2ad53c53ceaf405b3c3bc28553c74_akira_glassworm_quasar-rat.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-03_6eb2ad53c53ceaf405b3c3bc28553c74_akira_glassworm_quasar-rat.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-03_6eb2ad53c53ceaf405b3c3bc28553c74_akira_glassworm_quasar-rat.exe"1⤵
- Looks for VirtualBox drivers on disk
- Looks for VMWare drivers on disk
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4328 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" -NoProfile -NonInteractive -WindowStyle Hidden -ExecutionPolicy Bypass -Command "$ErrorActionPreference='SilentlyContinue'; Start-Sleep -Seconds 2; $p='C:\Users\Admin\AppData\Local\Temp\2026-08-03_6eb2ad53c53ceaf405b3c3bc28553c74_akira_glassworm_quasar-rat.exe'; for($i=0;$i -lt 40;$i++){ if(-not (Test-Path -LiteralPath $p)){ break }; Remove-Item -LiteralPath $p -Force -ErrorAction SilentlyContinue; Start-Sleep -Milliseconds 400 }"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4628
-