Analysis
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max time kernel
134s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20250217-en -
resource tags
arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system -
submitted
06/03/2025, 12:08
Static task
static1
Behavioral task
behavioral1
Sample
d5dc338bfde9301b5ec4485a79a352518fb4d3b999b7ec4d1ccc2d928cc8d814.dll
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
d5dc338bfde9301b5ec4485a79a352518fb4d3b999b7ec4d1ccc2d928cc8d814.dll
Resource
win10v2004-20250217-en
General
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Target
d5dc338bfde9301b5ec4485a79a352518fb4d3b999b7ec4d1ccc2d928cc8d814.dll
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Size
137KB
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MD5
435793af70394b8b058af627ff789662
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SHA1
0c90b30618e4d8719498ec51d894c71a95e69d71
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SHA256
d5dc338bfde9301b5ec4485a79a352518fb4d3b999b7ec4d1ccc2d928cc8d814
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SHA512
9e98eb47221b8ffb3aa143bba1b2f17272a3c3813c864ffee1d5c66913fd9980e4a7b930e999b28a5800efced5e20cf70bb584971858c9dc8ce823c910126667
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SSDEEP
3072:GR02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUu1:j25GgFny61mraD
Malware Config
Signatures
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Gh0st RAT payload 4 IoCs
resource yara_rule behavioral2/memory/4856-5-0x0000000010000000-0x000000001001C000-memory.dmp family_gh0strat behavioral2/memory/4856-7-0x0000000010000000-0x000000001001C000-memory.dmp family_gh0strat behavioral2/memory/1212-22-0x0000000010000000-0x000000001001C000-memory.dmp family_gh0strat behavioral2/memory/4856-39-0x0000000010000000-0x000000001001C000-memory.dmp family_gh0strat -
Gh0strat family
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Blocklisted process makes network request 1 IoCs
flow pid Process 7 4856 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.
description ioc Process 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\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\Standard TCP/IP Port\Ports Spoolsv.exe 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\WSPrint\OfflinePorts Spoolsv.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\USB Monitor 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\SCSI Port Monitor rundll32.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\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\Adapters\IPP Spoolsv.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\WSD Port\Adapters\WSPrint Spoolsv.exe -
Sets service image path in registry 2 TTPs 2 IoCs
description 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 17 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/memory/4856-5-0x0000000010000000-0x000000001001C000-memory.dmp acprotect behavioral2/memory/4856-7-0x0000000010000000-0x000000001001C000-memory.dmp acprotect behavioral2/memory/4856-14-0x00000000011D0000-0x00000000011ED000-memory.dmp acprotect behavioral2/memory/4856-13-0x00000000011D0000-0x00000000011ED000-memory.dmp acprotect behavioral2/memory/4856-16-0x00000000011D0000-0x00000000011ED000-memory.dmp acprotect behavioral2/memory/4856-12-0x00000000011D0000-0x00000000011ED000-memory.dmp acprotect behavioral2/memory/4856-6-0x00000000011D0000-0x00000000011ED000-memory.dmp acprotect behavioral2/memory/4856-10-0x00000000011D0000-0x00000000011ED000-memory.dmp acprotect behavioral2/memory/1212-22-0x0000000010000000-0x000000001001C000-memory.dmp acprotect behavioral2/memory/1212-29-0x0000000002EC0000-0x0000000002EDD000-memory.dmp acprotect behavioral2/memory/1212-30-0x0000000002EC0000-0x0000000002EDD000-memory.dmp acprotect behavioral2/memory/1212-31-0x0000000002EC0000-0x0000000002EDD000-memory.dmp acprotect behavioral2/memory/1212-28-0x0000000002EC0000-0x0000000002EDD000-memory.dmp acprotect behavioral2/memory/1212-26-0x0000000002EC0000-0x0000000002EDD000-memory.dmp acprotect behavioral2/memory/1212-25-0x0000000002EC0000-0x0000000002EDD000-memory.dmp acprotect behavioral2/memory/4856-39-0x0000000010000000-0x000000001001C000-memory.dmp acprotect behavioral2/memory/4856-38-0x00000000011D0000-0x00000000011ED000-memory.dmp acprotect -
Drops file in System32 directory 10 IoCs
description ioc Process File created C:\Windows\SysWOW64\scsimon.dll rundll32.exe File created C:\Windows\SysWOW64\Miscson.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\Miscson.dll rundll32.exe File created C:\Windows\SysWOW64\Miscson.dll rundll32.exe File opened for modification C:\Windows\SysWOW64\scsimon.dll rundll32.exe File opened for modification C:\Windows\SysWOW64\Miscson.dll svchost.exe File opened for modification C:\Windows\SysWOW64\scsimon.dll svchost.exe File opened for modification C:\Windows\SysWOW64\com\comb.dll svchost.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4856 set thread context of 1212 4856 rundll32.exe 87 -
Drops file in Windows directory 4 IoCs
description 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
pid pid_target Process procid_target 736 4856 WerFault.exe 85 -
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.
description 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.
description ioc Process 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 Spoolsv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000 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&000001 Spoolsv.exe 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\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002 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\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&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 -
Modifies data under HKEY_USERS 22 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows NT\CurrentVersion\Devices Spoolsv.exe 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\Send To OneNote 2016 = "winspool,nul:" 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-1-5-19\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\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 Print to PDF = "winspool,Ne01:" Spoolsv.exe Key created \REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows NT\CurrentVersion\Devices 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\Fax = "winspool,Ne02:" 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\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 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-1-5-20\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\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\PrinterPorts\Microsoft Print to PDF = "winspool,Ne01:,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\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\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\Fax = "winspool,Ne02:,15,45" Spoolsv.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4856 rundll32.exe Token: SeDebugPrivilege 1212 svchost.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2044 wrote to memory of 4856 2044 rundll32.exe 85 PID 2044 wrote to memory of 4856 2044 rundll32.exe 85 PID 2044 wrote to memory of 4856 2044 rundll32.exe 85 PID 4856 wrote to memory of 1212 4856 rundll32.exe 87 PID 4856 wrote to memory of 1212 4856 rundll32.exe 87 PID 4856 wrote to memory of 1212 4856 rundll32.exe 87 PID 4856 wrote to memory of 1212 4856 rundll32.exe 87
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\d5dc338bfde9301b5ec4485a79a352518fb4d3b999b7ec4d1ccc2d928cc8d814.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2044 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\d5dc338bfde9301b5ec4485a79a352518fb4d3b999b7ec4d1ccc2d928cc8d814.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:4856 -
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:1212
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4856 -s 6883⤵
- Program crash
PID:736
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4856 -ip 48561⤵PID:4792
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C:\Windows\system32\Spoolsv.exeSpoolsv.exe1⤵PID:2732
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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:3604
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
MD58f0b94e11350a67b9cc1997f73da2ade
SHA18238927165abb6ca3cd5fda8f4baa06ca8b811a2
SHA2563b60c18d006f16313320f0801b9ec0d3977d6f29c172315eedfb377ec218a115
SHA5126a283b16eddc0ed4515f29c44125b0dae4b2cdf54888f2235519b2202b340ef98fa811a90df5486a62f3a7ca15136c68be5589b61fa0abb9ac4dc15052bba088
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Filesize
137KB
MD5455924f83f987c4fffd9916b3eda82e3
SHA1594b736b8817638488beb7890b7c1f322096a6cf
SHA256ea0990838466373673b1f5aa0ee027ffcea3f1c4f3d474e71da156a6e4f4f595
SHA51285174717e22c0c467f016714dd39baa07275e5f067dd225ba76b7768fb0e2ffd795fdea018b6b316bbf14540c59cbaa642f2b15951e6fd3ace019eebcbfd331b
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Filesize
128B
MD543db8c314b948a3584bbd8a259eb51ec
SHA1b37166435fea6434a4e560cc97ac31fbbf7834cc
SHA256b3e96ad4a835bb2314a791f8e4bbd775f34eaadfc8e07e693e7edde91c4d5cb3
SHA512f58f2415e915b9833e033747d7d424e43d747d594f028763d180e86083a4edea721278eabcec0fa0ce2824c70d4bfa353cbac87b3ce1734ee80306a760b5d96f
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Filesize
137KB
MD5a8c164d913c8a3f659ae85a2e2756db2
SHA16340371fbaad3c6f6ec7db6bee1e9caf345fa6c4
SHA2565c1daa0ed8c120f2480c308d3a8d93f47d546be3037aefbaa65658dbfa593584
SHA5123ee858e4e84a67f13d03aacf4e872855937ee367d26b0b11af94eecf673fa0cd067b91934cc76a980ff786656e08aaaa006992d42fa0bd0a24f36101977cd6b8