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Analysis
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max time kernel
143s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
06/11/2022, 11:57
Static task
static1
Behavioral task
behavioral1
Sample
f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe
Resource
win10v2004-20220901-en
General
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Target
f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe
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Size
2.2MB
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MD5
050bb783684b01353c2675afbda69cb8
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SHA1
2010513490d076152585f2bdcc92f3aa57aae617
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SHA256
f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6
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SHA512
9edb501f561172e5c1f3da51fa06f5dc87100675956c3139601b0e41148b7af0c100c450bef47de6e546d54c9fbb2fd9f51d74f90ccf3ea23b2b15a7507aa0ef
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SSDEEP
49152:KYua2CnTfy2zsRiZjhg3b5sGnyE5uxIyxf/tEr:KYua2oTfy2osInZ5uxIyxf/2
Malware Config
Signatures
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ACProtect 1.3x - 1.4x DLL software 2 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x0004000000022dca-133.dat acprotect behavioral2/files/0x0004000000022dca-132.dat acprotect -
Loads dropped DLL 2 IoCs
pid Process 4872 f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe 4872 f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe -
Enumerates connected drives 3 TTPs 22 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\N: f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe File opened (read-only) \??\T: f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe File opened (read-only) \??\U: f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe File opened (read-only) \??\V: f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe File opened (read-only) \??\R: f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe File opened (read-only) \??\Z: f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe File opened (read-only) \??\G: f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe File opened (read-only) \??\H: f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe File opened (read-only) \??\I: f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe File opened (read-only) \??\J: f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe File opened (read-only) \??\K: f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe File opened (read-only) \??\M: f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe File opened (read-only) \??\E: f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe File opened (read-only) \??\L: f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe File opened (read-only) \??\P: f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe File opened (read-only) \??\Q: f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe File opened (read-only) \??\S: f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe File opened (read-only) \??\F: f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe File opened (read-only) \??\O: f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe File opened (read-only) \??\W: f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe File opened (read-only) \??\X: f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe File opened (read-only) \??\Y: f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PhysicalDrive0 f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe -
Drops file in Windows directory 6 IoCs
description ioc Process File created C:\Windows\INF\c_media.PNF f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe File created C:\Windows\INF\c_processor.PNF f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe File created C:\Windows\INF\c_volume.PNF f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe File created C:\Windows\INF\c_display.PNF f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe File created C:\Windows\INF\c_monitor.PNF f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe File created C:\Windows\INF\c_diskdrive.PNF f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe -
Checks SCSI registry key(s) 3 TTPs 8 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\Driver f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\CompatibleIDs f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_DADY&PROD_HARDDISK\4&215468A5&0&000000 f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Driver f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\CompatibleIDs f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_DADY&PROD_DADY_DVD-ROM\4&215468A5&0&010000 f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\FriendlyName f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4872 f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe 4872 f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 4872 f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe 4872 f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe 4872 f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe 4872 f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe 4872 f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe 4872 f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe 4872 f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe 4872 f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe"C:\Users\Admin\AppData\Local\Temp\f81b25dcbe7d8849d58c36b8360ff46c854120dd59d90291e5446e0c850634e6.exe"1⤵
- Loads dropped DLL
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Drops file in Windows directory
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4872
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
172KB
MD5685f1cbd4af30a1d0c25f252d399a666
SHA16a1b978f5e6150b88c8634146f1406ed97d2f134
SHA2560e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4
SHA5126555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9
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Filesize
172KB
MD5685f1cbd4af30a1d0c25f252d399a666
SHA16a1b978f5e6150b88c8634146f1406ed97d2f134
SHA2560e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4
SHA5126555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9