Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
04/08/2026, 15:19
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-08-04_77c2a7668b65c6ad08bdac473aca6a1d_akira_quasar-rat_remcos_rusty-stealer.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
3 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-04_77c2a7668b65c6ad08bdac473aca6a1d_akira_quasar-rat_remcos_rusty-stealer.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
3 signatures
150 seconds
General
- Target 2026-08-04_77c2a7668b65c6ad08bdac473aca6a1d_akira_quasar-rat_remcos_rusty-stealer.exe
- Size 8.3MB
- Sample260804-sp67nstbme
- SHA256 241c575fa861b18925b6632b69cca5f4de2bcf4d094761b160e360fa82812d94
- MD5 77c2a7668b65c6ad08bdac473aca6a1d
- SHA1 5a9fde14846afe91f9663b0b76a6e15857b93710
- SHA512 15558091e7753c20171bf1df9e3719372b1fc43030383b00ac86ab8389901fa9351b3670050cbad40a3ae1c51c0b65850fda58a29067f158caf85e39ba714d0c
- SSDEEP 49152:izjuUIDXP/dWpioCyyCEU9rZxGZLkpnJiwg+ScYcpaPGlF4tC6HupeVmfwenF86k:GkVMzj7euigyyOr8Wak9ckcSl
- TLSH T129962A86E36251D9D87AC436C28B7633F9723C4907A966EF6BD41A122F31BE0B53D704
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
5/10
Malware Config
Signatures
- Drops file in System32 directory 27 IoCs
description ioc Process File opened for modification C:\Windows\System32\doukutsu_rs.pdb 2026-08-04_77c2a7668b65c6ad08bdac473aca6a1d_akira_quasar-rat_remcos_rusty-stealer.exe File opened for modification C:\Windows\system32\doukutsu_rs.pdb 2026-08-04_77c2a7668b65c6ad08bdac473aca6a1d_akira_quasar-rat_remcos_rusty-stealer.exe File opened for modification C:\Windows\SYSTEM32\DLL\kernel32.pdb 2026-08-04_77c2a7668b65c6ad08bdac473aca6a1d_akira_quasar-rat_remcos_rusty-stealer.exe File opened for modification C:\Windows\System32\kernel32.pdb 2026-08-04_77c2a7668b65c6ad08bdac473aca6a1d_akira_quasar-rat_remcos_rusty-stealer.exe File opened for modification C:\Windows\system32\dll\ntdll.pdb 2026-08-04_77c2a7668b65c6ad08bdac473aca6a1d_akira_quasar-rat_remcos_rusty-stealer.exe File opened for modification C:\Windows\SYSTEM32\doukutsu_rs.pdb 2026-08-04_77c2a7668b65c6ad08bdac473aca6a1d_akira_quasar-rat_remcos_rusty-stealer.exe File opened for modification C:\Windows\SYSTEM32\symbols\DLL\kernel32.pdb 2026-08-04_77c2a7668b65c6ad08bdac473aca6a1d_akira_quasar-rat_remcos_rusty-stealer.exe File opened for modification C:\Windows\System32\DLL\kernel32.pdb 2026-08-04_77c2a7668b65c6ad08bdac473aca6a1d_akira_quasar-rat_remcos_rusty-stealer.exe File opened for modification C:\Windows\system32\DLL\kernel32.pdb 2026-08-04_77c2a7668b65c6ad08bdac473aca6a1d_akira_quasar-rat_remcos_rusty-stealer.exe File opened for modification C:\Windows\SYSTEM32\ntdll.pdb 2026-08-04_77c2a7668b65c6ad08bdac473aca6a1d_akira_quasar-rat_remcos_rusty-stealer.exe File opened for modification C:\Windows\SYSTEM32\symbols\dll\ntdll.pdb 2026-08-04_77c2a7668b65c6ad08bdac473aca6a1d_akira_quasar-rat_remcos_rusty-stealer.exe File opened for modification C:\Windows\System32\dll\ntdll.pdb 2026-08-04_77c2a7668b65c6ad08bdac473aca6a1d_akira_quasar-rat_remcos_rusty-stealer.exe File opened for modification C:\Windows\System32\exe\doukutsu_rs.pdb 2026-08-04_77c2a7668b65c6ad08bdac473aca6a1d_akira_quasar-rat_remcos_rusty-stealer.exe File opened for modification C:\Windows\system32\exe\doukutsu_rs.pdb 2026-08-04_77c2a7668b65c6ad08bdac473aca6a1d_akira_quasar-rat_remcos_rusty-stealer.exe File opened for modification C:\Windows\SYSTEM32\kernel32.pdb 2026-08-04_77c2a7668b65c6ad08bdac473aca6a1d_akira_quasar-rat_remcos_rusty-stealer.exe File opened for modification C:\Windows\System32\symbols\DLL\kernel32.pdb 2026-08-04_77c2a7668b65c6ad08bdac473aca6a1d_akira_quasar-rat_remcos_rusty-stealer.exe File opened for modification C:\Windows\system32\kernel32.pdb 2026-08-04_77c2a7668b65c6ad08bdac473aca6a1d_akira_quasar-rat_remcos_rusty-stealer.exe File opened for modification C:\Windows\system32\symbols\DLL\kernel32.pdb 2026-08-04_77c2a7668b65c6ad08bdac473aca6a1d_akira_quasar-rat_remcos_rusty-stealer.exe File opened for modification C:\Windows\System32\ntdll.pdb 2026-08-04_77c2a7668b65c6ad08bdac473aca6a1d_akira_quasar-rat_remcos_rusty-stealer.exe File opened for modification C:\Windows\System32\symbols\dll\ntdll.pdb 2026-08-04_77c2a7668b65c6ad08bdac473aca6a1d_akira_quasar-rat_remcos_rusty-stealer.exe File opened for modification C:\Windows\SYSTEM32\exe\doukutsu_rs.pdb 2026-08-04_77c2a7668b65c6ad08bdac473aca6a1d_akira_quasar-rat_remcos_rusty-stealer.exe File opened for modification C:\Windows\SYSTEM32\symbols\exe\doukutsu_rs.pdb 2026-08-04_77c2a7668b65c6ad08bdac473aca6a1d_akira_quasar-rat_remcos_rusty-stealer.exe File opened for modification C:\Windows\System32\symbols\exe\doukutsu_rs.pdb 2026-08-04_77c2a7668b65c6ad08bdac473aca6a1d_akira_quasar-rat_remcos_rusty-stealer.exe File opened for modification C:\Windows\system32\symbols\exe\doukutsu_rs.pdb 2026-08-04_77c2a7668b65c6ad08bdac473aca6a1d_akira_quasar-rat_remcos_rusty-stealer.exe File opened for modification C:\Windows\SYSTEM32\dll\ntdll.pdb 2026-08-04_77c2a7668b65c6ad08bdac473aca6a1d_akira_quasar-rat_remcos_rusty-stealer.exe File opened for modification C:\Windows\system32\ntdll.pdb 2026-08-04_77c2a7668b65c6ad08bdac473aca6a1d_akira_quasar-rat_remcos_rusty-stealer.exe File opened for modification C:\Windows\system32\symbols\dll\ntdll.pdb 2026-08-04_77c2a7668b65c6ad08bdac473aca6a1d_akira_quasar-rat_remcos_rusty-stealer.exe - Checks SCSI registry key(s) 3 TTPs 4 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_WDC&PROD_WDS100T2B0A\4&215468A5&0&000000 2026-08-04_77c2a7668b65c6ad08bdac473aca6a1d_akira_quasar-rat_remcos_rusty-stealer.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\ConfigFlags 2026-08-04_77c2a7668b65c6ad08bdac473aca6a1d_akira_quasar-rat_remcos_rusty-stealer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_DADY&PROD_HL-DT-ST_DVD+-RW\4&215468A5&0&010000 2026-08-04_77c2a7668b65c6ad08bdac473aca6a1d_akira_quasar-rat_remcos_rusty-stealer.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\ConfigFlags 2026-08-04_77c2a7668b65c6ad08bdac473aca6a1d_akira_quasar-rat_remcos_rusty-stealer.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4872 2026-08-04_77c2a7668b65c6ad08bdac473aca6a1d_akira_quasar-rat_remcos_rusty-stealer.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-04_77c2a7668b65c6ad08bdac473aca6a1d_akira_quasar-rat_remcos_rusty-stealer.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-04_77c2a7668b65c6ad08bdac473aca6a1d_akira_quasar-rat_remcos_rusty-stealer.exe"1⤵
- Drops file in System32 directory
- Checks SCSI registry key(s)
- Suspicious use of SetWindowsHookEx
PID:4872