Analysis
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max time kernel
21s -
max time network
23s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
29/06/2024, 22:14
Behavioral task
behavioral1
Sample
rufus-4.5.exe
Resource
win7-20240508-en
1 signatures
1800 seconds
General
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Target
rufus-4.5.exe
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Size
1.4MB
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MD5
129e5bbf63d8299d027186eafe92754a
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SHA1
c50bd94af6af186edc536ec6ff83bdd233586618
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SHA256
c6e6cdba209f899e5087f1a1a4babc759414b4a687b60ba4bce62b6b37e8e82b
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SHA512
a87a4b44ec3ce37a0da546a805f688bd3a68b52d662a294b8193717f383938f99fa68e50dddf9f012aad7b51e98fd017f6b757ca15332d79a2bb6b882c379a05
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SSDEEP
24576:K9+dyknYGIOeicfIgMFbnMt0t6Hmx5N2MJJMex8R00nea7jNqeveiWRKreZMIlEE:K9+dpYGD6HeMet6HmjZMD6KeChVW5ZDB
Malware Config
Signatures
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resource yara_rule behavioral2/memory/2712-0-0x00007FF79D8D0000-0x00007FF79DCEF000-memory.dmp upx behavioral2/memory/2712-11-0x00007FF79D8D0000-0x00007FF79DCEF000-memory.dmp upx behavioral2/memory/2712-22-0x00007FF79D8D0000-0x00007FF79DCEF000-memory.dmp upx -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rufus-4.5.exe -
Drops file in System32 directory 5 IoCs
description ioc Process File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol rufus-4.5.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI rufus-4.5.exe File opened for modification C:\Windows\System32\GroupPolicy\Machine\Registry.pol rufus-4.5.exe File opened for modification C:\Windows\System32\GroupPolicy rufus-4.5.exe File opened for modification C:\Windows\System32\GroupPolicy\gpt.ini rufus-4.5.exe -
Checks SCSI registry key(s) 3 TTPs 17 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\LowerFilters rufus-4.5.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000 rufus-4.5.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Service rufus-4.5.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\UpperFilters rufus-4.5.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName vds.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_QEMU&PROD_QEMU_DVD-ROM\4&215468A5&0&010000 vds.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\Filters rufus-4.5.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_DADY&PROD_HARDDISK\4&215468A5&0&000000 rufus-4.5.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_DADY&PROD_HARDDISK\4&215468A5&0&000000 vds.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\FriendlyName vds.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Filters rufus-4.5.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\HardwareID rufus-4.5.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName rufus-4.5.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000 rufus-4.5.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\UpperFilters rufus-4.5.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\LowerFilters rufus-4.5.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\Service rufus-4.5.exe -
Suspicious use of AdjustPrivilegeToken 9 IoCs
description pid Process Token: SeDebugPrivilege 2712 rufus-4.5.exe Token: SeLoadDriverPrivilege 2712 rufus-4.5.exe Token: SeLoadDriverPrivilege 2712 rufus-4.5.exe Token: SeLoadDriverPrivilege 2712 rufus-4.5.exe Token: SeLoadDriverPrivilege 2712 rufus-4.5.exe Token: SeLoadDriverPrivilege 2712 rufus-4.5.exe Token: SeLoadDriverPrivilege 2712 rufus-4.5.exe Token: SeLoadDriverPrivilege 2712 rufus-4.5.exe Token: SeLoadDriverPrivilege 2712 rufus-4.5.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2712 rufus-4.5.exe 2712 rufus-4.5.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\rufus-4.5.exe"C:\Users\Admin\AppData\Local\Temp\rufus-4.5.exe"1⤵
- Checks whether UAC is enabled
- Drops file in System32 directory
- Checks SCSI registry key(s)
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2712
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:4348
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
- Checks SCSI registry key(s)
PID:368
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc1⤵PID:1840
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum1⤵PID:4520