Analysis
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max time kernel
141s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20250217-en -
resource tags
arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system -
submitted
03/03/2025, 06:57
Static task
static1
Behavioral task
behavioral1
Sample
f904446dc48eb60c60f1e7a73e3653af6ff675a350fc79d89c4f39f32797749f.dll
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
f904446dc48eb60c60f1e7a73e3653af6ff675a350fc79d89c4f39f32797749f.dll
Resource
win10v2004-20250217-en
General
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Target
f904446dc48eb60c60f1e7a73e3653af6ff675a350fc79d89c4f39f32797749f.dll
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Size
137KB
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MD5
c2c7233de0790191f333c43057375fea
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SHA1
dbd8c6495579314dd3e76c7fec997d5fbb78378c
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SHA256
f904446dc48eb60c60f1e7a73e3653af6ff675a350fc79d89c4f39f32797749f
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SHA512
d87479f171996e43e47037e58be8c1132ee29638b34b57c2330b89e5023b58d291558a0d13b3eeec979136c5acdefaaec09a23cf27928cbe81d6f9bb8cc5d54d
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SSDEEP
3072:KR02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUuX:f25GgFny61mrap
Malware Config
Signatures
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Gh0st RAT payload 3 IoCs
resource yara_rule behavioral2/memory/960-4-0x0000000010000000-0x000000001001C000-memory.dmp family_gh0strat behavioral2/memory/960-9-0x0000000010000000-0x000000001001C000-memory.dmp family_gh0strat behavioral2/memory/960-39-0x0000000010000000-0x000000001001C000-memory.dmp family_gh0strat -
Gh0strat family
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Blocklisted process makes network request 1 IoCs
flow pid Process 10 960 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" svchost.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\Local Port 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\Ports 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 Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\Appmon\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\WSD Port\Adapters\WSPrint 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 svchost.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\Appmon 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\Adapters\WSPrint\OfflinePorts Spoolsv.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\Standard TCP/IP Port 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 15 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/memory/960-4-0x0000000010000000-0x000000001001C000-memory.dmp acprotect behavioral2/memory/960-5-0x00000000025F0000-0x000000000260D000-memory.dmp acprotect behavioral2/memory/960-12-0x00000000025F0000-0x000000000260D000-memory.dmp acprotect behavioral2/memory/960-13-0x00000000025F0000-0x000000000260D000-memory.dmp acprotect behavioral2/memory/960-14-0x00000000025F0000-0x000000000260D000-memory.dmp acprotect behavioral2/memory/960-11-0x00000000025F0000-0x000000000260D000-memory.dmp acprotect behavioral2/memory/960-8-0x00000000025F0000-0x000000000260D000-memory.dmp acprotect behavioral2/memory/960-9-0x0000000010000000-0x000000001001C000-memory.dmp acprotect behavioral2/memory/4884-24-0x0000000002E20000-0x0000000002E3D000-memory.dmp acprotect behavioral2/memory/4884-23-0x0000000002E20000-0x0000000002E3D000-memory.dmp acprotect behavioral2/memory/4884-28-0x0000000002E20000-0x0000000002E3D000-memory.dmp acprotect behavioral2/memory/4884-29-0x0000000002E20000-0x0000000002E3D000-memory.dmp acprotect behavioral2/memory/4884-27-0x0000000002E20000-0x0000000002E3D000-memory.dmp acprotect behavioral2/memory/4884-26-0x0000000002E20000-0x0000000002E3D000-memory.dmp acprotect behavioral2/memory/960-39-0x0000000010000000-0x000000001001C000-memory.dmp acprotect -
Drops file in System32 directory 10 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\com\comb.dll svchost.exe File created C:\Windows\SysWOW64\Miscson.dll rundll32.exe File opened for modification C:\Windows\SysWOW64\scsimon.dll rundll32.exe File created C:\Windows\SysWOW64\scsimon.dll rundll32.exe File created 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 rundll32.exe File opened for modification C:\Windows\SysWOW64\Miscson.dll rundll32.exe File opened for modification C:\Windows\SysWOW64\Miscson.dll svchost.exe File created C:\Windows\SysWOW64\scsimon.dll svchost.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 960 set thread context of 4884 960 rundll32.exe 87 -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\AppPatch\AcSvcst.dll rundll32.exe File created C:\Windows\AppPatch\AcSvcst.dll rundll32.exe File opened for modification C:\Windows\AppPatch\ComBack.Dll rundll32.exe File created C:\Windows\AppPatch\ComBack.Dll rundll32.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4208 960 WerFault.exe 84 -
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\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&000002\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\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\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&000001\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 -
Modifies data under HKEY_USERS 22 IoCs
description ioc Process 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\PrinterPorts\Fax = "winspool,Ne02:,15,45" 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\PrinterPorts\Fax = "winspool,Ne02:,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-1-5-20\Software\Microsoft\Windows NT\CurrentVersion\Devices 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-1-5-19\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\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\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\Devices\Microsoft Print to PDF = "winspool,Ne01:" 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\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 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\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\Send To OneNote 2016 = "winspool,nul:,15,45" Spoolsv.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 960 rundll32.exe Token: SeDebugPrivilege 4884 svchost.exe Token: SeDebugPrivilege 960 rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2744 wrote to memory of 960 2744 rundll32.exe 84 PID 2744 wrote to memory of 960 2744 rundll32.exe 84 PID 2744 wrote to memory of 960 2744 rundll32.exe 84 PID 960 wrote to memory of 4884 960 rundll32.exe 87 PID 960 wrote to memory of 4884 960 rundll32.exe 87 PID 960 wrote to memory of 4884 960 rundll32.exe 87 PID 960 wrote to memory of 4884 960 rundll32.exe 87
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f904446dc48eb60c60f1e7a73e3653af6ff675a350fc79d89c4f39f32797749f.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2744 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f904446dc48eb60c60f1e7a73e3653af6ff675a350fc79d89c4f39f32797749f.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:960 -
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:4884
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 960 -s 6243⤵
- Program crash
PID:4208
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 960 -ip 9601⤵PID:3196
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C:\Windows\system32\Spoolsv.exeSpoolsv.exe1⤵PID:2228
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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:3744
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
MD524e9f7812110bde56b87a5f1b0d5e2ee
SHA1983c665dab00b165d815b43893f6e2e2a01a932b
SHA2566057a26db1559a6174ecc43931a54018e01153a8b516f09d11ef01bb6f9116c0
SHA512f329b070957d29e5349a3dc26fb80193068a8bbadda113171b42500c4ec610ca3efd803df3ec777357a7ec79dde5e7a62d0d097db96e1430e491c661c61e9172
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Filesize
137KB
MD54edc18caa06d5eee6693645a38b03578
SHA15d554f3a3506f6a95672bbee0b052d86f7f3ac51
SHA256d8be56ece9e766db97a09c690372abeda51b6531054b5d1f419196bbeb3219e2
SHA512ce1e06747fcf35745e738822ff7e67ff66c0586b68c9d0bb2c62c0a986a6de9ce69cac2c64dd2d8febd4756c1dd39afe787814bc2bad8bb84e117ba11e00e601
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Filesize
127B
MD52fe9f728d9f035ca09fe147540fb3d00
SHA1496b8e7f7d8c5d44ab375cb15729c013a886226c
SHA256c08afae28daccbd03b02cae1c65a653612e5cbcbab3258fd2ac0370e6afcfa59
SHA512e0c92c5eeaac39568becb599b53dd4ee894677dd9a027b3433f2750e4f94d35015441247d39b247e9c16fdc88d0d43fd79109463ec22179757c3362a34504030
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Filesize
246B
MD55b33ef0c65b95853b8b43fb3da4edd9f
SHA1931adcec1e38330f100f614319b0691ac6a2e9f4
SHA25601b05961ad7bddbcdcf8b1dbd7c93f80f9eb31e30aeca64ab59bed9026f1c11b
SHA51255ee39c347698aa4c1b050724789e86cf98b4aa0cbe532c67bd7652922b218a92df2e3407ae517d9d339f60796ab3e159002343bd7a7fce490c1645909f5794f
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Filesize
289B
MD5562a0dd12b3880219f986fb8a6fd0e28
SHA129d0b952b7ef12460c22db669d681311f5fb6e67
SHA25682b048f6ca60d4aa28b95901e8f415e92771e5d13d2464fd993ae6f2bbe9cadc
SHA512d1e1f5cfb04ea394db7db9b6d733529a5a3dc4462d348322307854d4512002cda09a2bd7e2c7497758bbb992cb8922bcb600bb1bf52d8a4a59e6cb021d988815
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Filesize
137KB
MD5fc65247cc097a0695cf3039882c3e6d7
SHA11175341d77b98e3a21a8e3d3f2812cb1ba360380
SHA256340a7428aaba67e0ba069f71effff3ad18ae493eccc231d8dfbc0dcad37cff4c
SHA512efd812eb0f9af2b3c3f631d47aed147310013cadabdcb2ba963119ac6a6c96377cd01bb1a303c0e212dd6257c91ef11884fc7afbd310ea759da96af4a8b8cc6c