Analysis
- max time kernel
447s - max time network
449s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
25/08/2024, 02:04
Behavioral task
behavioral1
Sample
Stub_2470.exe
Resource
win7-20240704-en
windows7-x64
4 signatures
150 seconds
General
- Target Stub_2470.exe
- Size 3.2MB
- Sample240825-chjvsssbmh
- SHA256 761c60da60ead4c8917799d0988920ca758a0fb9832276d62043495499914c6f
- MD5 77a54258caba28ebc088bdf6e44dad41
- SHA1 cf7f6cc16a0a1f5c11bc85563308ab0e9e3fef27
- SHA512 b2d35b4c18330638b3864c8d20e0fb979925f32c5e1cc62d2a23e5187eb8dceab3695432bb890420338532242bf89fe403e7cdc4abfdb9e399f44483d221be80
- SSDEEP 49152:0gIFvQi4oVXM1egC0adkSrtTRmqaRNtWwyxS6faUz09rXQOcO3r2hdEpZlWYAty:0gIFvd433r2h2pvWYAI
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
quasar
Version
-
1.4.1
Botnet
-
Test
C2
-
147.185.221.22:20094
Mutex
-
aaf4767c-dd88-4c3f-9683-69a87558c907
Attributes
-
encryption_key
9E968F05BD874BA1BE086FD1774A027473823F49
-
install_name
Windows Host Process.exe
-
log_directory
Windows-Logs
-
reconnect_delay
3000
-
startup_key
Windows Host Process
-
subdirectory
Jerk
Signatures
- Quasar payload 1 IoCs
resource yara_rule behavioral2/memory/2280-1-0x0000000000700000-0x0000000000A30000-memory.dmp family_quasar - Checks SCSI registry key(s) 3 TTPs 18 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 dwm.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\ConfigFlags dwm.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\HardwareID dwm.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\HardwareID dwm.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\HardwareID dwm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_QEMU&PROD_QEMU_DVD-ROM\4&215468A5&0&010000 dwm.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\HardwareID dwm.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\ConfigFlags dwm.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\ConfigFlags dwm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_WDC&PROD_WDS100T2B0A\4&215468A5&0&000000 dwm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_QEMU&PROD_QEMU_DVD-ROM\4&215468A5&0&010000 dwm.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\HardwareID dwm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_WDC&PROD_WDS100T2B0A\4&215468A5&0&000000 dwm.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\ConfigFlags dwm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_QEMU&PROD_QEMU_DVD-ROM\4&215468A5&0&010000 dwm.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\HardwareID dwm.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\ConfigFlags dwm.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\ConfigFlags dwm.exe - Enumerates system info in registry 2 TTPs 6 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS dwm.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU dwm.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS dwm.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU dwm.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS dwm.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU dwm.exe - Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E dwm.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed dwm.exe - Suspicious use of AdjustPrivilegeToken 17 IoCs
description pid Process Token: SeDebugPrivilege 2280 Stub_2470.exe Token: SeCreateGlobalPrivilege 692 dwm.exe Token: SeChangeNotifyPrivilege 692 dwm.exe Token: 33 692 dwm.exe Token: SeIncBasePriorityPrivilege 692 dwm.exe Token: SeCreateGlobalPrivilege 3828 dwm.exe Token: SeChangeNotifyPrivilege 3828 dwm.exe Token: 33 3828 dwm.exe Token: SeIncBasePriorityPrivilege 3828 dwm.exe Token: SeCreateGlobalPrivilege 3760 dwm.exe Token: SeChangeNotifyPrivilege 3760 dwm.exe Token: 33 3760 dwm.exe Token: SeIncBasePriorityPrivilege 3760 dwm.exe Token: SeCreateGlobalPrivilege 1592 dwm.exe Token: SeChangeNotifyPrivilege 1592 dwm.exe Token: 33 1592 dwm.exe Token: SeIncBasePriorityPrivilege 1592 dwm.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2280 Stub_2470.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Stub_2470.exe"C:\Users\Admin\AppData\Local\Temp\Stub_2470.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2280
-
C:\Windows\system32\dwm.exe"dwm.exe"1⤵
- Checks SCSI registry key(s)
- Enumerates system info in registry
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:692
-
C:\Windows\system32\dwm.exe"dwm.exe"1⤵
- Checks SCSI registry key(s)
- Enumerates system info in registry
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:3828
-
C:\Windows\system32\dwm.exe"dwm.exe"1⤵
- Checks SCSI registry key(s)
- Enumerates system info in registry
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:3760
-
C:\Windows\system32\dwm.exe"dwm.exe"1⤵
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:1592
-
C:\Windows\system32\dwm.exe"dwm.exe"1⤵PID:804