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Analysis
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max time kernel
117s -
max time network
95s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
27/01/2025, 15:37
Static task
static1
Behavioral task
behavioral1
Sample
26c1bdfed569159ce8ade627e1ae7f49ac27735482e5e67956bc875e9ebe8a38N.dll
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
26c1bdfed569159ce8ade627e1ae7f49ac27735482e5e67956bc875e9ebe8a38N.dll
Resource
win10v2004-20241007-en
General
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Target
26c1bdfed569159ce8ade627e1ae7f49ac27735482e5e67956bc875e9ebe8a38N.dll
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Size
137KB
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MD5
6104d88fe032378df850355ad139cbd0
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SHA1
f0302259f1a1c23905a36127d744b426967b2023
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SHA256
26c1bdfed569159ce8ade627e1ae7f49ac27735482e5e67956bc875e9ebe8a38
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SHA512
633c328daf49778ad55a73df6be6c85fa7fd7eaa5629b9936642404867fe66bf1374e5d03a37dd8b3120b680cf8909b1c25928323054a150411955ea046fc28f
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SSDEEP
3072:8R02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUuX:J25GgFny61mraZ
Malware Config
Signatures
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Gh0st RAT payload 3 IoCs
resource yara_rule behavioral2/memory/748-5-0x0000000010000000-0x000000001001C000-memory.dmp family_gh0strat behavioral2/memory/748-9-0x0000000010000000-0x000000001001C000-memory.dmp family_gh0strat behavioral2/memory/748-32-0x0000000010000000-0x000000001001C000-memory.dmp family_gh0strat -
Gh0strat family
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Blocklisted process makes network request 1 IoCs
flow pid Process 5 748 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\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\Adapters\WSPrint 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" svchost.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\SCSI Port Monitor rundll32.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\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\Standard TCP/IP Port\Ports 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\Local 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" svchost.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Spooler\ImagePath = "Spoolsv.exe" rundll32.exe -
ACProtect 1.3x - 1.4x DLL software 16 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/memory/748-5-0x0000000010000000-0x000000001001C000-memory.dmp acprotect behavioral2/memory/748-9-0x0000000010000000-0x000000001001C000-memory.dmp acprotect behavioral2/memory/748-6-0x0000000002EB0000-0x0000000002ECD000-memory.dmp acprotect behavioral2/memory/748-10-0x0000000002EB0000-0x0000000002ECD000-memory.dmp acprotect behavioral2/memory/748-14-0x0000000002EB0000-0x0000000002ECD000-memory.dmp acprotect behavioral2/memory/748-15-0x0000000002EB0000-0x0000000002ECD000-memory.dmp acprotect behavioral2/memory/748-13-0x0000000002EB0000-0x0000000002ECD000-memory.dmp acprotect behavioral2/memory/748-12-0x0000000002EB0000-0x0000000002ECD000-memory.dmp acprotect behavioral2/memory/2220-23-0x00000000009D0000-0x00000000009ED000-memory.dmp acprotect behavioral2/memory/2220-24-0x00000000009D0000-0x00000000009ED000-memory.dmp acprotect behavioral2/memory/2220-29-0x00000000009D0000-0x00000000009ED000-memory.dmp acprotect behavioral2/memory/2220-30-0x00000000009D0000-0x00000000009ED000-memory.dmp acprotect behavioral2/memory/2220-28-0x00000000009D0000-0x00000000009ED000-memory.dmp acprotect behavioral2/memory/2220-27-0x00000000009D0000-0x00000000009ED000-memory.dmp acprotect behavioral2/memory/748-31-0x0000000002EB0000-0x0000000002ECD000-memory.dmp acprotect behavioral2/memory/748-32-0x0000000010000000-0x000000001001C000-memory.dmp acprotect -
Drops file in System32 directory 6 IoCs
description ioc Process 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 File opened for modification C:\Windows\SysWOW64\Miscson.dll svchost.exe File created C:\Windows\SysWOW64\Miscson.dll svchost.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 748 set thread context of 2220 748 rundll32.exe 86 -
Drops file in Windows directory 4 IoCs
description ioc Process 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 File opened for modification C:\Windows\AppPatch\ComBack.Dll rundll32.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1484 748 WerFault.exe 83 -
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 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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002 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\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{3b2ce006-5e61-4fde-bab8-9b8aac9b26df}\0002 Spoolsv.exe -
Modifies data under HKEY_USERS 22 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-19\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\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\Microsoft XPS Document Writer = "winspool,Ne00:" 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\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 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-1-5-19\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\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-1-5-20\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 Key created \REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows NT\CurrentVersion\PrinterPorts Spoolsv.exe Key created \REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows NT\CurrentVersion\Devices 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\Fax = "winspool,Ne02:,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 -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 748 rundll32.exe Token: SeDebugPrivilege 2220 svchost.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2344 wrote to memory of 748 2344 rundll32.exe 83 PID 2344 wrote to memory of 748 2344 rundll32.exe 83 PID 2344 wrote to memory of 748 2344 rundll32.exe 83 PID 748 wrote to memory of 2220 748 rundll32.exe 86 PID 748 wrote to memory of 2220 748 rundll32.exe 86 PID 748 wrote to memory of 2220 748 rundll32.exe 86 PID 748 wrote to memory of 2220 748 rundll32.exe 86
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\26c1bdfed569159ce8ade627e1ae7f49ac27735482e5e67956bc875e9ebe8a38N.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2344 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\26c1bdfed569159ce8ade627e1ae7f49ac27735482e5e67956bc875e9ebe8a38N.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:748 -
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:2220
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 748 -s 6163⤵
- Program crash
PID:1484
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 748 -ip 7481⤵PID:2268
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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:3656
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
MD5bc69e2d8ab51504d6d4c87bf7f31f647
SHA1b750cd31038e29c56f00333f10e3e602712aa687
SHA256f945a9f02771d5f429864384511132d85445b9b095ed2857ef4b866a16c613c5
SHA5128a9f062554cc80b6a70d5d90444ee6768bd0f8591de5418e342acf1eb5fe3085ed90b3f53c05044910d610046ead5d14c9d9ab81a931b2d221db38afd316aa24
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Filesize
127B
MD5f801c584f5eb71f02867f3a0cbb059a9
SHA1675a6de7f9778dd15d824d4a1acd7663ac508354
SHA256d8132d18bcbe7b5d761bedda7cbbd1b2907ca2ca7a399806d7d07e56d9ee6849
SHA512f12f16bd9d537cdf9b90f3331e0c4facda5f376f7836bcbcc4dae7f455324ef3dcd9a71862a27cd755b897ee5d43288137cb7a0f5ad42646bea819ea62eb8688