Analysis
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max time kernel
135s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20250217-en -
resource tags
arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system -
submitted
02/03/2025, 01:16
Static task
static1
Behavioral task
behavioral1
Sample
7d53c33d9f83abaf854a7ca96973226533659ad0800c290cd787d8cb23497550.dll
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
7d53c33d9f83abaf854a7ca96973226533659ad0800c290cd787d8cb23497550.dll
Resource
win10v2004-20250217-en
General
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Target
7d53c33d9f83abaf854a7ca96973226533659ad0800c290cd787d8cb23497550.dll
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Size
137KB
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MD5
2027c3e1a6842ef18f9b69c30f60748d
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SHA1
15484be9d393007a01a60be34cb7255fb72caceb
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SHA256
7d53c33d9f83abaf854a7ca96973226533659ad0800c290cd787d8cb23497550
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SHA512
2821381c0c8294e02718d7cb316f156843ade004b5b2380a934464df882a9c5dd7d7ccb30c8e2933bceab97cab06dd8aec5ede042ed0a2eaf54458e1e9bd5ec1
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SSDEEP
3072:uR02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUuZ:725GgFny61mraP
Malware Config
Signatures
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Gh0st RAT payload 4 IoCs
resource yara_rule behavioral2/memory/4544-6-0x0000000010000000-0x000000001001C000-memory.dmp family_gh0strat behavioral2/memory/4544-5-0x0000000010000000-0x000000001001C000-memory.dmp family_gh0strat behavioral2/memory/4544-4-0x0000000010000000-0x000000001001C000-memory.dmp family_gh0strat behavioral2/memory/4544-41-0x0000000010000000-0x000000001001C000-memory.dmp family_gh0strat -
Gh0strat family
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Blocklisted process makes network request 1 IoCs
flow pid Process 12 4544 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 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\IPP 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\SCSI Port Monitor svchost.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 Spoolsv.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\Local Port Spoolsv.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 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 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\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\Ports 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 16 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/memory/4544-18-0x0000000003070000-0x000000000308D000-memory.dmp acprotect behavioral2/memory/4908-25-0x00000000032D0000-0x00000000032ED000-memory.dmp acprotect behavioral2/memory/4908-30-0x00000000032D0000-0x00000000032ED000-memory.dmp acprotect behavioral2/memory/4908-29-0x00000000032D0000-0x00000000032ED000-memory.dmp acprotect behavioral2/memory/4908-28-0x00000000032D0000-0x00000000032ED000-memory.dmp acprotect behavioral2/memory/4908-27-0x00000000032D0000-0x00000000032ED000-memory.dmp acprotect behavioral2/memory/4908-24-0x00000000032D0000-0x00000000032ED000-memory.dmp acprotect behavioral2/memory/4544-14-0x0000000003070000-0x000000000308D000-memory.dmp acprotect behavioral2/memory/4544-13-0x0000000003070000-0x000000000308D000-memory.dmp acprotect behavioral2/memory/4544-12-0x0000000003070000-0x000000000308D000-memory.dmp acprotect behavioral2/memory/4544-7-0x0000000003070000-0x000000000308D000-memory.dmp acprotect behavioral2/memory/4544-8-0x0000000003070000-0x000000000308D000-memory.dmp acprotect behavioral2/memory/4544-6-0x0000000010000000-0x000000001001C000-memory.dmp acprotect behavioral2/memory/4544-5-0x0000000010000000-0x000000001001C000-memory.dmp acprotect behavioral2/memory/4544-4-0x0000000010000000-0x000000001001C000-memory.dmp acprotect behavioral2/memory/4544-41-0x0000000010000000-0x000000001001C000-memory.dmp acprotect -
Drops file in System32 directory 10 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\Miscson.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 rundll32.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 created 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 4544 set thread context of 4908 4544 rundll32.exe 90 -
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 184 4544 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&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\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\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\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 -
Modifies data under HKEY_USERS 22 IoCs
description ioc Process 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 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\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 Print to PDF = "winspool,Ne01:" 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\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\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-1-5-20\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 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\PrinterPorts\Microsoft Print to PDF = "winspool,Ne01:,15,45" Spoolsv.exe Key created \REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows NT\CurrentVersion\Devices 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-1-5-19\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-1-5-20\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\Fax = "winspool,Ne02:,15,45" Spoolsv.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4544 rundll32.exe Token: SeDebugPrivilege 4908 svchost.exe Token: SeDebugPrivilege 4544 rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2728 wrote to memory of 4544 2728 rundll32.exe 85 PID 2728 wrote to memory of 4544 2728 rundll32.exe 85 PID 2728 wrote to memory of 4544 2728 rundll32.exe 85 PID 4544 wrote to memory of 4908 4544 rundll32.exe 90 PID 4544 wrote to memory of 4908 4544 rundll32.exe 90 PID 4544 wrote to memory of 4908 4544 rundll32.exe 90 PID 4544 wrote to memory of 4908 4544 rundll32.exe 90
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\7d53c33d9f83abaf854a7ca96973226533659ad0800c290cd787d8cb23497550.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2728 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\7d53c33d9f83abaf854a7ca96973226533659ad0800c290cd787d8cb23497550.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:4544 -
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:4908
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4544 -s 6163⤵
- Program crash
PID:184
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4544 -ip 45441⤵PID:2920
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C:\Windows\system32\Spoolsv.exeSpoolsv.exe1⤵PID:2912
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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:4764
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
MD57a298ebb0e14253a8fbe1677a12423f5
SHA135143dfdb06e208d3a006cd7cb033d3c9db7c682
SHA25627429b6365fa451f4bf3741daba5ba6ddf57065d974d66e40df636fa8e6300da
SHA5127f5d3bc555bc0d874fee039f1edd8520fcda8e9761cba888b2cd3fe84aa43b891f872a0f3633a0b9f44a31555f25d46a413403c3007e80d543ea6779c32ab5ba
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Filesize
137KB
MD5a69b41befb451e92ab1de67118d7c0d0
SHA1a661721790795b253a02d5718f231c450243eafd
SHA256b506d24a55e18c5cc7cfbab6c4a4d234d8c4fc5ac768e0fa858df21104140a10
SHA512da9fae338c8582d910d42b577807f89017af5a95f4ebdf4a7ddafd155c1f608f216a9449cb05f5f34669d75f88818e2be9d323a9414411f01b20ca9d70ec5ab5
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Filesize
99B
MD5ab69455cd6dd9384e975bc278052f4fc
SHA1f12d7b41c80ed9c77ddcc9090547e4916842e048
SHA256fe347e41261fca61b0cf0fcdecbfb945b2ba064ffcfc89b51ab70817c2e3f2cf
SHA512c456c6d3ada796a051c390cf80993540ee4574e586a3cdb514a22bd34f54cd82f6e1bc03bc4ec4d596e3169e79157402ed2d4411dda6246b93c6d6dfe79d4485
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Filesize
247B
MD55a6e368d1cec6d2229beb1044b86ef72
SHA18d4194d5c3b9e38181e408927db6cf8d93c4ce58
SHA2565d130123b5fabbfec2d7d1016d4a7d6f4a294e7f50e13cd2e61a0701b773f37a
SHA5128e9effe6d31f8d61a2e9fd5ca473f210563e405b23b62ddc66e6f31bdb18e95440b07336268db7d7193073b4fdd3c1f8f91694259f3ea975c2b6d5971b07131e
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Filesize
290B
MD575c465a5e7d05f20138ac20d10002805
SHA16015a8badbaf58599d7edee201e70aa96b3837e0
SHA256f58ff79ebfe537c0b2e14a2216eee91dc88f55e0e161de4bb3faa24d1ea22c67
SHA5126a0df9ae20b4c227e43dcf39297c55a381b515f95b3e120deb80542715d421c05c6f519ea3e5a97bbaceb21f82db37bed60810ba5b9169a53976f322dcd1c533
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Filesize
137KB
MD5aed0a98c5cf2e9718640a12f57b4693e
SHA1f0a35ffeeeea70e58f647cbc3c24cd988200f58d
SHA25672a6bc3ed1e05136e5930a55ca60ce6dca160296cb720187684f94919e575416
SHA512bad9262533f964ee7f7248708b8880a6c089eaed673399f6ef612a10786249a9a024e1f67256d9eefe085412a966b8f3f72538c9514657641374ddce73e199b9