Analysis
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max time kernel
135s -
max time network
142s -
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, 20:14
Static task
static1
Behavioral task
behavioral1
Sample
1889a4f41fe4053045a502abb252d2877348f052407f358b6d58b81f1834d76f.dll
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
1889a4f41fe4053045a502abb252d2877348f052407f358b6d58b81f1834d76f.dll
Resource
win10v2004-20250217-en
General
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Target
1889a4f41fe4053045a502abb252d2877348f052407f358b6d58b81f1834d76f.dll
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Size
137KB
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MD5
ac7af93c997f62d01973f9f3bd42e76c
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SHA1
1bee8895bbf39a4f0e6ffb9b3baa2922b9a93aad
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SHA256
1889a4f41fe4053045a502abb252d2877348f052407f358b6d58b81f1834d76f
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SHA512
9f39f6d4e7fc8ddaf450acd470f3501505da420c1214c719ec28b99bb9ae51e98e7880652338dd901eb7aaaf459325d62544b42483b9fe2101edd071de47b42a
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SSDEEP
3072:LR02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUup:m25GgFny61mraj
Malware Config
Signatures
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Gh0st RAT payload 3 IoCs
resource yara_rule behavioral2/memory/3128-6-0x0000000010000000-0x000000001001C000-memory.dmp family_gh0strat behavioral2/memory/3128-5-0x0000000010000000-0x000000001001C000-memory.dmp family_gh0strat behavioral2/memory/3128-40-0x0000000010000000-0x000000001001C000-memory.dmp family_gh0strat -
Gh0strat family
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Blocklisted process makes network request 1 IoCs
flow pid Process 8 3128 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\WSD Port\Adapters\IPP Spoolsv.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\SCSI Port Monitor\Driver = "scsimon.dll" 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\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\SCSI Port Monitor svchost.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 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\SCSI Port Monitor rundll32.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 Spoolsv.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\WSD 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 15 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/memory/3128-7-0x0000000002E20000-0x0000000002E3D000-memory.dmp acprotect behavioral2/memory/3128-14-0x0000000002E20000-0x0000000002E3D000-memory.dmp acprotect behavioral2/memory/3128-13-0x0000000002E20000-0x0000000002E3D000-memory.dmp acprotect behavioral2/memory/3128-15-0x0000000002E20000-0x0000000002E3D000-memory.dmp acprotect behavioral2/memory/3128-12-0x0000000002E20000-0x0000000002E3D000-memory.dmp acprotect behavioral2/memory/3128-10-0x0000000002E20000-0x0000000002E3D000-memory.dmp acprotect behavioral2/memory/3128-6-0x0000000010000000-0x000000001001C000-memory.dmp acprotect behavioral2/memory/3128-5-0x0000000010000000-0x000000001001C000-memory.dmp acprotect behavioral2/memory/388-28-0x0000000002890000-0x00000000028AD000-memory.dmp acprotect behavioral2/memory/388-30-0x0000000002890000-0x00000000028AD000-memory.dmp acprotect behavioral2/memory/388-31-0x0000000002890000-0x00000000028AD000-memory.dmp acprotect behavioral2/memory/388-29-0x0000000002890000-0x00000000028AD000-memory.dmp acprotect behavioral2/memory/388-26-0x0000000002890000-0x00000000028AD000-memory.dmp acprotect behavioral2/memory/388-25-0x0000000002890000-0x00000000028AD000-memory.dmp acprotect behavioral2/memory/3128-40-0x0000000010000000-0x000000001001C000-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\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\com\comb.dll svchost.exe File created 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 3128 set thread context of 388 3128 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 412 3128 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\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 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\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&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 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\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\HardwareID Spoolsv.exe -
Modifies data under HKEY_USERS 22 IoCs
description ioc Process 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\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\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-1-5-20\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Devices\Microsoft Print to PDF = "winspool,Ne01:" 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\Devices\Microsoft XPS Document Writer = "winspool,Ne00:" 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 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\Devices 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\Devices\Microsoft Print to PDF = "winspool,Ne01:" 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\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 -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3128 rundll32.exe Token: SeDebugPrivilege 388 svchost.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 3264 wrote to memory of 3128 3264 rundll32.exe 84 PID 3264 wrote to memory of 3128 3264 rundll32.exe 84 PID 3264 wrote to memory of 3128 3264 rundll32.exe 84 PID 3128 wrote to memory of 388 3128 rundll32.exe 87 PID 3128 wrote to memory of 388 3128 rundll32.exe 87 PID 3128 wrote to memory of 388 3128 rundll32.exe 87 PID 3128 wrote to memory of 388 3128 rundll32.exe 87
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\1889a4f41fe4053045a502abb252d2877348f052407f358b6d58b81f1834d76f.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3264 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\1889a4f41fe4053045a502abb252d2877348f052407f358b6d58b81f1834d76f.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:3128 -
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:388
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3128 -s 6163⤵
- Program crash
PID:412
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3128 -ip 31281⤵PID:3832
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C:\Windows\system32\Spoolsv.exeSpoolsv.exe1⤵PID:1952
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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:2316
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
MD51e03996da606b72a8a2fabbb2947fa55
SHA1f397e03185d0085f043cf83ba17500e87cda0f20
SHA256fccdf0a974b0799c80c591008e8ee6c5c7f511cc2e3c8b51fc0af23b86ff25f8
SHA512b0e577e61f756edb6851e437638273d9e20b5caa22d8d57ffbf20585f0168f7a473b5306205715ab5dac7d59a671a2d0cb3ffaf15ffc5f334991d0125c9115e6
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Filesize
137KB
MD50e67aee14f9b6334165e48f365f046e6
SHA11f579bc28e4af16be4a0415deff63086fd577698
SHA2560d1bd177cd93daa343cf3112936976cbcf87515ea81590e3a415b136a9577c15
SHA5120741946c9522a3174e51d0cbbf8d78ec66e2f99e2c1c12c84b87d9d23cb4b3816092595464500b0159412711af437fbf45c53acabe4abec1d573663561e91b6a
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Filesize
99B
MD5b73aa4fdeb60ca78b28e71ddbe3739ae
SHA1470393ea20188bd93f9610409f0db948311f6ba8
SHA256416646789b07047baaab4fd1144d200a4c0459c8dae5f6c5b11dc5eb86809e13
SHA5129327e4bfa2acdf1a4af42610913339a0fea0adcb2cb00971a4c055a61bf4749d47017c5b9f001e942c3a71a34eae9fe50c8e62211c0c633ee3e0966228798134
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Filesize
137KB
MD5753850792e94a7079797b3d5c8703471
SHA15efceaced1eeca7a7a6f7c31352004d66b63cdb8
SHA256542203818bf4bc4d7e6642b3e3d9a1a15301bb4773d3288c8cf138ad36e48647
SHA512411011cbde241a0f3906a26774a0d72d3c583efe665230cdadf62437fcb0710dc71e8241b3c33a4f6d31c2875e8a9ae2896bedfbe48c10fcb179300875c2907d