Analysis
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max time kernel
135s -
max time network
123s -
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, 03:40
Static task
static1
Behavioral task
behavioral1
Sample
6679538ea48619a8739f2d9ee70c1c23843437245aab4ed387f8826f1ff2a9aa.dll
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
6679538ea48619a8739f2d9ee70c1c23843437245aab4ed387f8826f1ff2a9aa.dll
Resource
win10v2004-20250217-en
General
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Target
6679538ea48619a8739f2d9ee70c1c23843437245aab4ed387f8826f1ff2a9aa.dll
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Size
137KB
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MD5
21686af496a9759f08456c0161b05274
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SHA1
d1db5d34a657b82261185935a14ebc2c373138e6
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SHA256
6679538ea48619a8739f2d9ee70c1c23843437245aab4ed387f8826f1ff2a9aa
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SHA512
f03f04eb4a8cf7d482d0313f50a5d58c0b2d429379a6de4684c05bd6e6f9b6659d359fd6acf8b5caf85ccab3671eeec4171ae6acab149a5665c1a52a06fb6bbe
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SSDEEP
3072:ER02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUuO:h25GgFny61mra8
Malware Config
Signatures
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Gh0st RAT payload 5 IoCs
resource yara_rule behavioral2/memory/1340-5-0x0000000010000000-0x000000001001C000-memory.dmp family_gh0strat behavioral2/memory/1340-6-0x0000000010000000-0x000000001001C000-memory.dmp family_gh0strat behavioral2/memory/1340-4-0x0000000010000000-0x000000001001C000-memory.dmp family_gh0strat behavioral2/memory/1340-33-0x0000000010000000-0x000000001001C000-memory.dmp family_gh0strat behavioral2/memory/4932-37-0x0000000010000000-0x000000001001C000-memory.dmp family_gh0strat -
Gh0strat family
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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 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\Local Port 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\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\WSD 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\Appmon 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 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\Ports Spoolsv.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\Microsoft Shared Fax Monitor 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" svchost.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Spooler\ImagePath = "Spoolsv.exe" rundll32.exe -
ACProtect 1.3x - 1.4x DLL software 18 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/memory/1340-5-0x0000000010000000-0x000000001001C000-memory.dmp acprotect behavioral2/memory/1340-6-0x0000000010000000-0x000000001001C000-memory.dmp acprotect behavioral2/memory/1340-4-0x0000000010000000-0x000000001001C000-memory.dmp acprotect behavioral2/memory/1340-7-0x0000000002CF0000-0x0000000002D0D000-memory.dmp acprotect behavioral2/memory/1340-10-0x0000000002CF0000-0x0000000002D0D000-memory.dmp acprotect behavioral2/memory/4932-20-0x0000000002B60000-0x0000000002B7D000-memory.dmp acprotect behavioral2/memory/4932-19-0x0000000002B60000-0x0000000002B7D000-memory.dmp acprotect behavioral2/memory/4932-22-0x0000000002B60000-0x0000000002B7D000-memory.dmp acprotect behavioral2/memory/4932-23-0x0000000002B60000-0x0000000002B7D000-memory.dmp acprotect behavioral2/memory/4932-25-0x0000000002B60000-0x0000000002B7D000-memory.dmp acprotect behavioral2/memory/4932-24-0x0000000002B60000-0x0000000002B7D000-memory.dmp acprotect behavioral2/memory/1340-30-0x0000000002CF0000-0x0000000002D0D000-memory.dmp acprotect behavioral2/memory/1340-31-0x0000000002CF0000-0x0000000002D0D000-memory.dmp acprotect behavioral2/memory/1340-29-0x0000000002CF0000-0x0000000002D0D000-memory.dmp acprotect behavioral2/memory/1340-28-0x0000000002CF0000-0x0000000002D0D000-memory.dmp acprotect behavioral2/memory/1340-33-0x0000000010000000-0x000000001001C000-memory.dmp acprotect behavioral2/memory/4932-37-0x0000000010000000-0x000000001001C000-memory.dmp acprotect behavioral2/memory/4932-38-0x0000000002B60000-0x0000000002B7D000-memory.dmp acprotect -
Drops file in System32 directory 6 IoCs
description 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
description pid Process procid_target PID 1340 set thread context of 4932 1340 rundll32.exe 91 -
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 1772 1340 WerFault.exe 86 -
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&000001 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&000001\HardwareID 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 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\Properties\{3b2ce006-5e61-4fde-bab8-9b8aac9b26df}\0002 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\Devices 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\PrinterPorts 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 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-1-5-20\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-1-5-19\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\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\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\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\Fax = "winspool,Ne02:" 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-1-5-19\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\Send To OneNote 2016 = "winspool,nul:" 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 -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4932 svchost.exe Token: SeDebugPrivilege 1340 rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1892 wrote to memory of 1340 1892 rundll32.exe 86 PID 1892 wrote to memory of 1340 1892 rundll32.exe 86 PID 1892 wrote to memory of 1340 1892 rundll32.exe 86 PID 1340 wrote to memory of 4932 1340 rundll32.exe 91 PID 1340 wrote to memory of 4932 1340 rundll32.exe 91 PID 1340 wrote to memory of 4932 1340 rundll32.exe 91 PID 1340 wrote to memory of 4932 1340 rundll32.exe 91
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\6679538ea48619a8739f2d9ee70c1c23843437245aab4ed387f8826f1ff2a9aa.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1892 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\6679538ea48619a8739f2d9ee70c1c23843437245aab4ed387f8826f1ff2a9aa.dll,#12⤵
- 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:1340 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1340 -s 6203⤵
- Program crash
PID:1772
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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:4932
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1340 -ip 13401⤵PID:2508
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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:400
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
MD5c376a5a41ed7af4fd0bcc7e86179db85
SHA17847b87b41830a128692a8f99333fe2ba7e72d16
SHA256b243cc4bcb50f86f260e57ad9e53d28137e7715b7f2c0bb967fece449970b8e3
SHA512473a52c545a556ff3fb6c771245cdb5debe55279ff9a0de8e383e1e65fc7e212c3d1f5828dac5e91a436456d85e421b80fde851c354bec6c21b6e41bc1761f59
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Filesize
94B
MD52d3d90624d3d194eb49dc956f75b011e
SHA1ff6fc2f5ca719f7c3f22b2c03adc007afc7c97f0
SHA256f23b162f90f10ed1b01d7f5b9eaa0f0fa33ce9acd73323ae25a9b4b8eca22c0b
SHA51222a5fcd276f8993b525be7c18178c8cbc6f1020da520a839124ba067f1e468f34131af380f55e69272750117519ec77a2a8c8faa5cd2bfdcb2bf944c2d7bc640
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Filesize
160B
MD5471ee5efc16aba8c4ead57260e1662f5
SHA13e7407e5c06079a8367e8e63bf336a8d40908004
SHA256a55d23ae9ac482fd077e2c0257263fec010d6967dde2b93f833ef3eee4216c61
SHA512a9446c894fa25816524cd18afe985990f8c67daf96fbf24e7760b4748ea64aba6343a17a3a101995ba7de4b92d5a3f84cc8c164b1c0e172781b0b9bdb2380d3d
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Filesize
203B
MD5bd0a4edcaa53e1962a5ec09456d5eea7
SHA1fa8f8ac1a4fd3714ab8c472927c5341cabf6ffcd
SHA25619b6682b46dc97a97238f61791acbb06444ce183d6c0e9f2fc7b77127ccf526c
SHA512da0583a9b4028dca89b4eaf3bf020b61a8d1c19ff3986f55d450df766d0e072cb81e87a7da704d1efb3102ec9c31fd0c7d07ac3a8e5f7c5c807d918d72694c35