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Analysis
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max time kernel
2036s -
max time network
2049s -
platform
windows10-1703_x64 -
resource
win10-20231025-en -
resource tags
arch:x64arch:x86image:win10-20231025-enlocale:en-usos:windows10-1703-x64system -
submitted
24/11/2023, 00:09
Static task
static1
General
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Target
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Size
4.4MB
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MD5
6a4853cd0584dc90067e15afb43c4962
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SHA1
ae59bbb123e98dc8379d08887f83d7e52b1b47fc
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SHA256
ccb9502bf8ba5becf8b758ca04a5625c30b79e2d10d2677cc43ae4253e1288ec
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SHA512
feb223e0de9bd64e32dc4f3227e175b58196b5e614bca8c2df0bbca2442a564e39d66bcd465154149dc7ebbd3e1ca644ed09d9a9174b52236c76e7388cb9d996
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SSDEEP
98304:XyDt6K4MJVnjOobt/JN1LA5elHc+S4fRp5UvluKo:XyDtK8bbxn+IHcBEV/F
Malware Config
Signatures
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Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\J: [email protected] File opened (read-only) \??\L: [email protected] File opened (read-only) \??\O: [email protected] File opened (read-only) \??\P: [email protected] File opened (read-only) \??\S: [email protected] File opened (read-only) \??\T: [email protected] File opened (read-only) \??\U: [email protected] File opened (read-only) \??\W: [email protected] File opened (read-only) \??\Z: [email protected] File opened (read-only) \??\A: [email protected] File opened (read-only) \??\I: [email protected] File opened (read-only) \??\Q: [email protected] File opened (read-only) \??\B: [email protected] File opened (read-only) \??\E: [email protected] File opened (read-only) \??\G: [email protected] File opened (read-only) \??\H: [email protected] File opened (read-only) \??\K: [email protected] File opened (read-only) \??\V: [email protected] File opened (read-only) \??\Y: [email protected] File opened (read-only) \??\M: [email protected] File opened (read-only) \??\N: [email protected] File opened (read-only) \??\R: [email protected] File opened (read-only) \??\X: [email protected] -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks SCSI registry key(s) 3 TTPs 38 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_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\FriendlyName SkypeHost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000 SkypeHost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{51236583-0c4a-4fe8-b81f-166aec13f510}\007A SkypeHost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Properties\{8c7ed206-3f8a-4827-b3ab-ae9e1faefc6c}\0004 SkypeHost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Properties\{540b947e-8b40-45bc-a8a2-6a0b894cbda2}\0009 SkypeHost.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\FriendlyName SkypeHost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Properties\{78c34fc8-104a-4aca-9ea4-524d52996e57}\005A SkypeHost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001 SkypeHost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Properties\{cf73bb51-3abf-44a2-85e0-9a3dc7a12132}\0006 SkypeHost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{8c7ed206-3f8a-4827-b3ab-ae9e1faefc6c}\0004 SkypeHost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{540b947e-8b40-45bc-a8a2-6a0b894cbda2}\0009 SkypeHost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\Properties\{78c34fc8-104a-4aca-9ea4-524d52996e57}\005A SkypeHost.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName SkypeHost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{cf73bb51-3abf-44a2-85e0-9a3dc7a12132}\0006 SkypeHost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{78c34fc8-104a-4aca-9ea4-524d52996e57}\005A SkypeHost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{259abffc-50a7-47ce-af08-68c9a7d73366}\000C SkypeHost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\Properties\{a45c254e-df1c-4efd-8020-67d146a850e0}\000A SkypeHost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Properties\{cf73bb51-3abf-44a2-85e0-9a3dc7a12132}\0006 SkypeHost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002 SkypeHost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Properties\{540b947e-8b40-45bc-a8a2-6a0b894cbda2}\0009 SkypeHost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A SkypeHost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A SkypeHost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A SkypeHost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\Properties\{259abffc-50a7-47ce-af08-68c9a7d73366}\000C SkypeHost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{a45c254e-df1c-4efd-8020-67d146a850e0}\000A SkypeHost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\Properties\{51236583-0c4a-4fe8-b81f-166aec13f510}\007A SkypeHost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Properties\{259abffc-50a7-47ce-af08-68c9a7d73366}\000C SkypeHost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Properties\{8c7ed206-3f8a-4827-b3ab-ae9e1faefc6c}\0004 SkypeHost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Properties\{259abffc-50a7-47ce-af08-68c9a7d73366}\000C SkypeHost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\Properties\{8c7ed206-3f8a-4827-b3ab-ae9e1faefc6c}\0004 SkypeHost.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\FriendlyName SkypeHost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\Properties\{cf73bb51-3abf-44a2-85e0-9a3dc7a12132}\0006 SkypeHost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000 SkypeHost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A SkypeHost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Properties\{78c34fc8-104a-4aca-9ea4-524d52996e57}\005A SkypeHost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Properties\{51236583-0c4a-4fe8-b81f-166aec13f510}\007A SkypeHost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Properties\{51236583-0c4a-4fe8-b81f-166aec13f510}\007A SkypeHost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\Properties\{540b947e-8b40-45bc-a8a2-6a0b894cbda2}\0009 SkypeHost.exe -
Checks processor information in registry 2 TTPs 4 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 SkypeApp.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz SkypeApp.exe Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 SkypeHost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz SkypeHost.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS SkypeHost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName SkypeHost.exe -
Modifies registry class 12 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2852493121-870915337-2715324265-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.skypeapp_kzf8qxf38zg5c\Internet Settings\Cache\Extensible Cache SkypeHost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2852493121-870915337-2715324265-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.skypeapp_kzf8qxf38zg5c\Internet Settings\Cache\Content\CachePrefix SkypeHost.exe Key created \REGISTRY\USER\S-1-5-21-2852493121-870915337-2715324265-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.skypeapp_kzf8qxf38zg5c\Internet Settings\Cache\Cookies SkypeHost.exe Set value (int) \REGISTRY\USER\S-1-5-21-2852493121-870915337-2715324265-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.skypeapp_kzf8qxf38zg5c\Internet Settings\Cache\Cookies\CacheLimit = "1" SkypeHost.exe Key created \REGISTRY\USER\S-1-5-21-2852493121-870915337-2715324265-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.skypeapp_kzf8qxf38zg5c\Internet Settings\Cache\History SkypeHost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2852493121-870915337-2715324265-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.skypeapp_kzf8qxf38zg5c\Internet Settings\Cache\History\CachePrefix = "Visited:" SkypeHost.exe Key created \REGISTRY\USER\S-1-5-21-2852493121-870915337-2715324265-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.skypeapp_kzf8qxf38zg5c\Internet Settings\Cache SkypeHost.exe Key created \REGISTRY\USER\S-1-5-21-2852493121-870915337-2715324265-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.skypeapp_kzf8qxf38zg5c\Internet Settings SkypeHost.exe Set value (int) \REGISTRY\USER\S-1-5-21-2852493121-870915337-2715324265-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.skypeapp_kzf8qxf38zg5c\Internet Settings\Cache\History\CacheLimit = "1" SkypeHost.exe Set value (str) \REGISTRY\USER\S-1-5-21-2852493121-870915337-2715324265-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.skypeapp_kzf8qxf38zg5c\Internet Settings\Cache\Cookies\CachePrefix = "Cookie:" SkypeHost.exe Key created \REGISTRY\USER\S-1-5-21-2852493121-870915337-2715324265-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.skypeapp_kzf8qxf38zg5c\Internet Settings\Cache\Content SkypeHost.exe Set value (int) \REGISTRY\USER\S-1-5-21-2852493121-870915337-2715324265-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.skypeapp_kzf8qxf38zg5c\Internet Settings\Cache\Content\CacheLimit = "51200" SkypeHost.exe -
Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: SeShutdownPrivilege 2732 [email protected] Token: SeCreatePagefilePrivilege 2732 [email protected] Token: 33 4592 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 4592 AUDIODG.EXE Token: SeShutdownPrivilege 2732 [email protected] Token: SeCreatePagefilePrivilege 2732 [email protected] Token: SeShutdownPrivilege 2732 [email protected] Token: SeCreatePagefilePrivilege 2732 [email protected] -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2732 [email protected] -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1144 SkypeApp.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4588 wrote to memory of 1576 4588 cmd.exe 87 PID 4588 wrote to memory of 1576 4588 cmd.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\[email protected]"C:\Users\Admin\AppData\Local\Temp\[email protected]"1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2732
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x2401⤵
- Suspicious use of AdjustPrivilegeToken
PID:4592
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C:\Program Files\WindowsApps\Microsoft.SkypeApp_11.8.204.0_x64__kzf8qxf38zg5c\SkypeApp.exe"C:\Program Files\WindowsApps\Microsoft.SkypeApp_11.8.204.0_x64__kzf8qxf38zg5c\SkypeApp.exe" -ServerName:App.AppXffn3yxqvgawq9fpmnhy90fr3y01d1t5b.mca1⤵
- Checks processor information in registry
- Suspicious use of SetWindowsHookEx
PID:1144
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C:\Program Files\WindowsApps\Microsoft.SkypeApp_11.8.204.0_x64__kzf8qxf38zg5c\SkypeHost.exe"C:\Program Files\WindowsApps\Microsoft.SkypeApp_11.8.204.0_x64__kzf8qxf38zg5c\SkypeHost.exe" -ServerName:SkypeHost.ServerServer1⤵
- Checks SCSI registry key(s)
- Checks processor information in registry
- Enumerates system info in registry
- Modifies registry class
PID:1832
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4588 -
C:\Windows\system32\mountvol.exemountvol c: /d2⤵PID:1576
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
256KB
MD5425226fcb310662c292a014bf7624408
SHA13c8b01eda95f3551644e0b8d8586b76d3011176a
SHA2564e230c8ec4723368007fc968b919379125aea41a284768f522f191ff7a1fae19
SHA5122f2934f9a4c681fa112fb8a510e2f91a25e96bc4695f1b675b63414544579b27d4d44731c3e4d73043956ea434114d00d2a8859445ad1b4eda9f1f6be181e26c
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Filesize
9KB
MD57050d5ae8acfbe560fa11073fef8185d
SHA15bc38e77ff06785fe0aec5a345c4ccd15752560e
SHA256cb87767c4a384c24e4a0f88455f59101b1ae7b4fb8de8a5adb4136c5f7ee545b
SHA512a7a295ac8921bb3dde58d4bcde9372ed59def61d4b7699057274960fa8c1d1a1daff834a93f7a0698e9e5c16db43af05e9fd2d6d7c9232f7d26ffcff5fc5900b
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Filesize
3.6MB
MD5698ddcaec1edcf1245807627884edf9c
SHA1c7fcbeaa2aadffaf807c096c51fb14c47003ac20
SHA256cde975f975d21edb2e5faa505205ab8a2c5a565ba1ff8585d1f0e372b2a1d78b
SHA512a2c326f0c653edcd613a3cefc8d82006e843e69afc787c870aa1b9686a20d79e5ab4e9e60b04d1970f07d88318588c1305117810e73ac620afd1fb6511394155