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Analysis
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max time kernel
1443s -
max time network
1482s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
16/05/2023, 05:17
Behavioral task
behavioral1
Sample
rufus-3.22.exe
Resource
win7-20230220-en
5 signatures
1800 seconds
General
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Target
rufus-3.22.exe
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Size
1.4MB
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MD5
f3a93569ce2aa9409e2ffba3d7edb4db
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SHA1
f68e9d61523742e40ff2760972feb40286bdef55
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SHA256
ac2a1743bbfc19268c36280b50a003366d41854863d4808099cd87f77fa5f433
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SHA512
e273fdf72f1e793f0e64d4f3e1a806ab4ef5a8ad408ba7ae3c2b076ac23bbd1b9119523cafeb5e192434a0f346295466fc22237ed2126ed8e55e0f8da6d242d9
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SSDEEP
24576:hqGBPKaIPx+wa6cu0gQYBGHsk/ujEsLKhN33sYhXvDW2VIPIwzxcbMycXJnGjTXB:kGBPKaX5TkWnU5KhyaDHYIoHXcB
Malware Config
Signatures
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resource yara_rule behavioral2/memory/1400-133-0x0000000000180000-0x0000000000575000-memory.dmp upx behavioral2/memory/1400-157-0x0000000000180000-0x0000000000575000-memory.dmp upx behavioral2/memory/1400-163-0x0000000000180000-0x0000000000575000-memory.dmp upx behavioral2/memory/1400-164-0x0000000000180000-0x0000000000575000-memory.dmp upx behavioral2/memory/1400-174-0x0000000000180000-0x0000000000575000-memory.dmp upx -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rufus-3.22.exe -
Drops file in System32 directory 5 IoCs
description ioc Process File opened for modification C:\Windows\System32\GroupPolicy\Machine\Registry.pol rufus-3.22.exe File opened for modification C:\Windows\System32\GroupPolicy rufus-3.22.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini rufus-3.22.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol rufus-3.22.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI rufus-3.22.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_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\UpperFilters rufus-3.22.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000 rufus-3.22.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\UpperFilters rufus-3.22.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\LowerFilters rufus-3.22.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\HardwareID rufus-3.22.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_DADY&PROD_HARDDISK\4&215468A5&0&000000 vds.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_DADY&PROD_DADY_DVD-ROM\4&215468A5&0&010000 vds.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\Service rufus-3.22.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_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000 rufus-3.22.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\LowerFilters rufus-3.22.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_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-3.22.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_DADY&PROD_HARDDISK\4&215468A5&0&000000 rufus-3.22.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\Filters rufus-3.22.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Service rufus-3.22.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName rufus-3.22.exe -
Suspicious use of AdjustPrivilegeToken 9 IoCs
description pid Process Token: SeDebugPrivilege 1400 rufus-3.22.exe Token: SeLoadDriverPrivilege 1400 rufus-3.22.exe Token: SeLoadDriverPrivilege 1400 rufus-3.22.exe Token: SeLoadDriverPrivilege 1400 rufus-3.22.exe Token: SeLoadDriverPrivilege 1400 rufus-3.22.exe Token: SeLoadDriverPrivilege 1400 rufus-3.22.exe Token: SeLoadDriverPrivilege 1400 rufus-3.22.exe Token: SeLoadDriverPrivilege 1400 rufus-3.22.exe Token: SeLoadDriverPrivilege 1400 rufus-3.22.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1400 rufus-3.22.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\rufus-3.22.exe"C:\Users\Admin\AppData\Local\Temp\rufus-3.22.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:1400
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵PID:3944
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
- Checks SCSI registry key(s)
PID:1144
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum1⤵PID:4392
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc1⤵PID:876
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc1⤵PID:4776
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"1⤵PID:2128
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C:\Windows\system32\wininit.exewininit2⤵PID:4412
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C:\Windows\system32\wininit.exewininit2⤵PID:3716
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