Analysis
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max time kernel
117s -
max time network
97s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
09-11-2024 21:25
Static task
static1
Behavioral task
behavioral1
Sample
9fdb8a568e8f11d704f818a5d3723a8c0d470e8d8351c72a84c1b77cdb2b79d1N.dll
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
9fdb8a568e8f11d704f818a5d3723a8c0d470e8d8351c72a84c1b77cdb2b79d1N.dll
Resource
win10v2004-20241007-en
General
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Target
9fdb8a568e8f11d704f818a5d3723a8c0d470e8d8351c72a84c1b77cdb2b79d1N.dll
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Size
137KB
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MD5
873f7b0057d35ab411b1699f2e27e440
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SHA1
2814cb0c82b2dd6a8ced8f07b01fdae86af3b1a6
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SHA256
9fdb8a568e8f11d704f818a5d3723a8c0d470e8d8351c72a84c1b77cdb2b79d1
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SHA512
6ef2a0663a92857e64af676ebdc4b09f3df7b6a91a987916d653e8cbe1f1db63873b1bb5225d81f47fbc0925000a9d5c4eb0ecca3e28ff853c10c4d7ea6224d8
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SSDEEP
3072:TR02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUu/:+25GgFny61mraF
Malware Config
Signatures
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Gh0st RAT payload 4 IoCs
Processes:
resource yara_rule behavioral2/memory/4928-5-0x0000000010000000-0x000000001001C000-memory.dmp family_gh0strat behavioral2/memory/4928-6-0x0000000010000000-0x000000001001C000-memory.dmp family_gh0strat behavioral2/memory/4928-4-0x0000000010000000-0x000000001001C000-memory.dmp family_gh0strat behavioral2/memory/4928-34-0x0000000010000000-0x000000001001C000-memory.dmp family_gh0strat -
Gh0strat family
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Blocklisted process makes network request 1 IoCs
Processes:
rundll32.exeflow pid process 9 4928 rundll32.exe -
Boot or Logon Autostart Execution: Port Monitors 1 TTPs 16 IoCs
Adversaries may use port monitors to run an adversary supplied DLL during system boot for persistence or privilege escalation.
Processes:
Spoolsv.exerundll32.exesvchost.exedescription ioc process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\Local Port Spoolsv.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\WSD Port\Adapters\IPP Spoolsv.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\SCSI Port Monitor rundll32.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\SCSI Port Monitor\Driver = "scsimon.dll" rundll32.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\WSD Port\Adapters\WSPrint Spoolsv.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\SCSI Port Monitor\Driver = "scsimon.dll" svchost.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\Appmon\Ports Spoolsv.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\Standard TCP/IP Port\Ports Spoolsv.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\USB Monitor Spoolsv.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\SCSI Port Monitor svchost.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\Appmon Spoolsv.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\Microsoft Shared Fax Monitor Spoolsv.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\Standard TCP/IP Port Spoolsv.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\WSD Port Spoolsv.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\WSD Port\Ports Spoolsv.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\WSD Port\Adapters\WSPrint\OfflinePorts Spoolsv.exe -
Sets service image path in registry 2 TTPs 2 IoCs
Processes:
rundll32.exesvchost.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Spooler\ImagePath = "Spoolsv.exe" rundll32.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Spooler\ImagePath = "Spoolsv.exe" svchost.exe -
ACProtect 1.3x - 1.4x DLL software 16 IoCs
Detects file using ACProtect software.
Processes:
resource yara_rule behavioral2/memory/4928-5-0x0000000010000000-0x000000001001C000-memory.dmp acprotect behavioral2/memory/4928-7-0x0000000002830000-0x000000000284D000-memory.dmp acprotect behavioral2/memory/4928-6-0x0000000010000000-0x000000001001C000-memory.dmp acprotect behavioral2/memory/4928-10-0x0000000002830000-0x000000000284D000-memory.dmp acprotect behavioral2/memory/4928-4-0x0000000010000000-0x000000001001C000-memory.dmp acprotect behavioral2/memory/4928-12-0x0000000002830000-0x000000000284D000-memory.dmp acprotect behavioral2/memory/4928-13-0x0000000002830000-0x000000000284D000-memory.dmp acprotect behavioral2/memory/4928-17-0x0000000002830000-0x000000000284D000-memory.dmp acprotect behavioral2/memory/4928-16-0x0000000002830000-0x000000000284D000-memory.dmp acprotect behavioral2/memory/1028-25-0x0000000002790000-0x00000000027AD000-memory.dmp acprotect behavioral2/memory/1028-26-0x0000000002790000-0x00000000027AD000-memory.dmp acprotect behavioral2/memory/1028-30-0x0000000002790000-0x00000000027AD000-memory.dmp acprotect behavioral2/memory/1028-31-0x0000000002790000-0x00000000027AD000-memory.dmp acprotect behavioral2/memory/1028-29-0x0000000002790000-0x00000000027AD000-memory.dmp acprotect behavioral2/memory/1028-28-0x0000000002790000-0x00000000027AD000-memory.dmp acprotect behavioral2/memory/4928-34-0x0000000010000000-0x000000001001C000-memory.dmp acprotect -
Drops file in System32 directory 6 IoCs
Processes:
svchost.exerundll32.exedescription ioc process File opened for modification C:\Windows\SysWOW64\Miscson.dll svchost.exe File created C:\Windows\SysWOW64\Miscson.dll svchost.exe File opened for modification C:\Windows\SysWOW64\scsimon.dll svchost.exe File created C:\Windows\SysWOW64\scsimon.dll svchost.exe File opened for modification C:\Windows\SysWOW64\com\comb.dll rundll32.exe File opened for modification C:\Windows\SysWOW64\com\comb.dll svchost.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
rundll32.exedescription pid process target process PID 4928 set thread context of 1028 4928 rundll32.exe svchost.exe -
Drops file in Windows directory 4 IoCs
Processes:
rundll32.exedescription ioc process File opened for modification C:\Windows\AppPatch\ComBack.Dll rundll32.exe File created C:\Windows\AppPatch\ComBack.Dll rundll32.exe File opened for modification C:\Windows\AppPatch\AcSvcst.dll rundll32.exe File created C:\Windows\AppPatch\AcSvcst.dll rundll32.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 888 4928 WerFault.exe rundll32.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
rundll32.exesvchost.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe -
Checks SCSI registry key(s) 3 TTPs 12 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
Spoolsv.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Properties\{3b2ce006-5e61-4fde-bab8-9b8aac9b26df}\0002 Spoolsv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000 Spoolsv.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\HardwareID Spoolsv.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\HardwareID Spoolsv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001 Spoolsv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Properties\{3b2ce006-5e61-4fde-bab8-9b8aac9b26df}\0002 Spoolsv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{3b2ce006-5e61-4fde-bab8-9b8aac9b26df}\0002 Spoolsv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000 Spoolsv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\Properties\{3b2ce006-5e61-4fde-bab8-9b8aac9b26df}\0002 Spoolsv.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\HardwareID Spoolsv.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\HardwareID Spoolsv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002 Spoolsv.exe -
Modifies data under HKEY_USERS 22 IoCs
Processes:
Spoolsv.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows NT\CurrentVersion\PrinterPorts Spoolsv.exe Set value (str) \REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Devices\Fax = "winspool,Ne02:" Spoolsv.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows NT\CurrentVersion\PrinterPorts\Send To OneNote 2016 = "winspool,nul:,15,45" Spoolsv.exe Set value (str) \REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Windows NT\CurrentVersion\PrinterPorts\Microsoft XPS Document Writer = "winspool,Ne00:,15,45" Spoolsv.exe Set value (str) \REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Windows NT\CurrentVersion\PrinterPorts\Microsoft Print to PDF = "winspool,Ne01:,15,45" Spoolsv.exe Key created \REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows NT\CurrentVersion\PrinterPorts Spoolsv.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows NT\CurrentVersion\Devices Spoolsv.exe Set value (str) \REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Devices\Send To OneNote 2016 = "winspool,nul:" Spoolsv.exe Set value (str) \REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Windows NT\CurrentVersion\PrinterPorts\Fax = "winspool,Ne02:,15,45" Spoolsv.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Devices\Send To OneNote 2016 = "winspool,nul:" Spoolsv.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Devices\Microsoft Print to PDF = "winspool,Ne01:" Spoolsv.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows NT\CurrentVersion\PrinterPorts\Microsoft Print to PDF = "winspool,Ne01:,15,45" Spoolsv.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows NT\CurrentVersion\PrinterPorts\Fax = "winspool,Ne02:,15,45" Spoolsv.exe Key created \REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows NT\CurrentVersion\PrinterPorts Spoolsv.exe Set value (str) \REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Windows NT\CurrentVersion\PrinterPorts\Send To OneNote 2016 = "winspool,nul:,15,45" Spoolsv.exe Set value (str) \REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Devices\Microsoft XPS Document Writer = "winspool,Ne00:" Spoolsv.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Devices\Microsoft XPS Document Writer = "winspool,Ne00:" Spoolsv.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows NT\CurrentVersion\PrinterPorts\Microsoft XPS Document Writer = "winspool,Ne00:,15,45" Spoolsv.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Devices\Fax = "winspool,Ne02:" Spoolsv.exe Key created \REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows NT\CurrentVersion\Devices Spoolsv.exe Key created \REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows NT\CurrentVersion\Devices Spoolsv.exe Set value (str) \REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Devices\Microsoft Print to PDF = "winspool,Ne01:" Spoolsv.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
rundll32.exesvchost.exedescription pid process Token: SeDebugPrivilege 4928 rundll32.exe Token: SeDebugPrivilege 1028 svchost.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 2740 wrote to memory of 4928 2740 rundll32.exe rundll32.exe PID 2740 wrote to memory of 4928 2740 rundll32.exe rundll32.exe PID 2740 wrote to memory of 4928 2740 rundll32.exe rundll32.exe PID 4928 wrote to memory of 1028 4928 rundll32.exe svchost.exe PID 4928 wrote to memory of 1028 4928 rundll32.exe svchost.exe PID 4928 wrote to memory of 1028 4928 rundll32.exe svchost.exe PID 4928 wrote to memory of 1028 4928 rundll32.exe svchost.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\9fdb8a568e8f11d704f818a5d3723a8c0d470e8d8351c72a84c1b77cdb2b79d1N.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2740 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\9fdb8a568e8f11d704f818a5d3723a8c0d470e8d8351c72a84c1b77cdb2b79d1N.dll,#12⤵
- Blocklisted process makes network request
- Boot or Logon Autostart Execution: Port Monitors
- Sets service image path in registry
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4928 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe -k rundll323⤵
- Boot or Logon Autostart Execution: Port Monitors
- Sets service image path in registry
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1028
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4928 -s 6163⤵
- Program crash
PID:888
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4928 -ip 49281⤵PID:2804
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C:\Windows\system32\Spoolsv.exeSpoolsv.exe1⤵
- Boot or Logon Autostart Execution: Port Monitors
- Checks SCSI registry key(s)
- Modifies data under HKEY_USERS
PID:2024
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Port Monitors
1Registry Run Keys / Startup Folder
1Privilege Escalation
Boot or Logon Autostart Execution
2Port Monitors
1Registry Run Keys / Startup Folder
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
137KB
MD5f73729e6fedb27992ec6ca7c84c5178f
SHA106f4fc3630e24b352efa7f0596bf804134f19fc6
SHA256ed4666d35affd6f8a75964a41a97fef960f1b1016c475e03deff1a0f3d40c1c8
SHA512bbcbba7be55341a076a6848c01b997698174781d981c5dea9b94c1e2e209a9de8e289e1c8d4dfe726a655e17c22d5a98ad39da5bfcc99193bc2153e4ccae33a8
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Filesize
128B
MD5a92ac733cf8a4383f4d8a661b60ee562
SHA130d35afb52cd0428ea0a54a37a1ba912bb3a544a
SHA2566e65f75e05981b01ff59afbf57eb0a0ea4b088b6049242f68f9d4bdc8616a8e6
SHA51248c1ad6f35766284f752d6503f05021f0c80ae7640015578c68384441ba89ac8c19c419e74acf9b000c19569fca1dfce18f8747ed21a2f5f32f9dd6d3a99bfc6