Analysis
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max time kernel
116s -
max time network
101s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
10-11-2024 11:41
Static task
static1
Behavioral task
behavioral1
Sample
246c6ae2cd80e7f094414177fd7d24fe94005cdd4a52f116e3645ab68863620dN.dll
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
246c6ae2cd80e7f094414177fd7d24fe94005cdd4a52f116e3645ab68863620dN.dll
Resource
win10v2004-20241007-en
General
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Target
246c6ae2cd80e7f094414177fd7d24fe94005cdd4a52f116e3645ab68863620dN.dll
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Size
137KB
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MD5
0da72c05d3b22e39d88018f37b59bc90
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SHA1
9d48a15eb10793523a84df18cb99b811c2d9389a
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SHA256
246c6ae2cd80e7f094414177fd7d24fe94005cdd4a52f116e3645ab68863620d
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SHA512
b63a6e00750730936bb4b1c28f1888d210e0f66ee8c4010cc8d55618954ae2c692094bd163d7353b0b49a0a71b1dac002a89498da355fd6e9d4208cc78bb7d43
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SSDEEP
3072:IR02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUuT:d25GgFny61mra1
Malware Config
Signatures
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Gh0st RAT payload 4 IoCs
Processes:
resource yara_rule behavioral2/memory/3948-4-0x0000000010000000-0x000000001001C000-memory.dmp family_gh0strat behavioral2/memory/3948-5-0x0000000010000000-0x000000001001C000-memory.dmp family_gh0strat behavioral2/memory/3948-6-0x0000000010000000-0x000000001001C000-memory.dmp family_gh0strat behavioral2/memory/3948-36-0x0000000010000000-0x000000001001C000-memory.dmp family_gh0strat -
Gh0strat family
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Blocklisted process makes network request 1 IoCs
Processes:
rundll32.exeflow pid process 8 3948 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.
Processes:
Spoolsv.exerundll32.exesvchost.exedescription ioc process 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\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\Standard TCP/IP Port 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\WSD Port\Adapters\WSPrint Spoolsv.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\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\WSD Port\Ports Spoolsv.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\Appmon\Ports Spoolsv.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\WSD Port\Adapters\WSPrint\OfflinePorts Spoolsv.exe -
Sets service image path in registry 2 TTPs 2 IoCs
Processes:
rundll32.exesvchost.exedescription 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.
Processes:
resource yara_rule behavioral2/memory/3948-4-0x0000000010000000-0x000000001001C000-memory.dmp acprotect behavioral2/memory/3948-5-0x0000000010000000-0x000000001001C000-memory.dmp acprotect behavioral2/memory/3948-7-0x0000000000C30000-0x0000000000C4D000-memory.dmp acprotect behavioral2/memory/3948-14-0x0000000000C30000-0x0000000000C4D000-memory.dmp acprotect behavioral2/memory/3948-16-0x0000000000C30000-0x0000000000C4D000-memory.dmp acprotect behavioral2/memory/3948-12-0x0000000000C30000-0x0000000000C4D000-memory.dmp acprotect behavioral2/memory/3948-13-0x0000000000C30000-0x0000000000C4D000-memory.dmp acprotect behavioral2/memory/3948-6-0x0000000010000000-0x000000001001C000-memory.dmp acprotect behavioral2/memory/3948-10-0x0000000000C30000-0x0000000000C4D000-memory.dmp acprotect behavioral2/memory/1656-24-0x0000000002B10000-0x0000000002B2D000-memory.dmp acprotect behavioral2/memory/1656-29-0x0000000002B10000-0x0000000002B2D000-memory.dmp acprotect behavioral2/memory/1656-30-0x0000000002B10000-0x0000000002B2D000-memory.dmp acprotect behavioral2/memory/1656-28-0x0000000002B10000-0x0000000002B2D000-memory.dmp acprotect behavioral2/memory/1656-27-0x0000000002B10000-0x0000000002B2D000-memory.dmp acprotect behavioral2/memory/1656-25-0x0000000002B10000-0x0000000002B2D000-memory.dmp acprotect behavioral2/memory/3948-36-0x0000000010000000-0x000000001001C000-memory.dmp acprotect -
Drops file in System32 directory 6 IoCs
Processes:
svchost.exerundll32.exedescription 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
Processes:
rundll32.exedescription pid process target process PID 3948 set thread context of 1656 3948 rundll32.exe svchost.exe -
Drops file in Windows directory 4 IoCs
Processes:
rundll32.exedescription 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
Processes:
WerFault.exepid pid_target process target process 4440 3948 WerFault.exe rundll32.exe -
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.
Processes:
rundll32.exesvchost.exedescription 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.
Processes:
Spoolsv.exedescription 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\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\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\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\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_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\HardwareID Spoolsv.exe -
Modifies data under HKEY_USERS 22 IoCs
Processes:
Spoolsv.exedescription 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 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 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-1-5-19\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 Key created \REGISTRY\USER\S-1-5-19\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 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-1-5-20\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-1-5-20\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\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 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-1-5-19\Software\Microsoft\Windows NT\CurrentVersion\PrinterPorts 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-1-5-19\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Devices\Fax = "winspool,Ne02:" Spoolsv.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
rundll32.exesvchost.exedescription pid process Token: SeDebugPrivilege 3948 rundll32.exe Token: SeDebugPrivilege 1656 svchost.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 3088 wrote to memory of 3948 3088 rundll32.exe rundll32.exe PID 3088 wrote to memory of 3948 3088 rundll32.exe rundll32.exe PID 3088 wrote to memory of 3948 3088 rundll32.exe rundll32.exe PID 3948 wrote to memory of 1656 3948 rundll32.exe svchost.exe PID 3948 wrote to memory of 1656 3948 rundll32.exe svchost.exe PID 3948 wrote to memory of 1656 3948 rundll32.exe svchost.exe PID 3948 wrote to memory of 1656 3948 rundll32.exe svchost.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\246c6ae2cd80e7f094414177fd7d24fe94005cdd4a52f116e3645ab68863620dN.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3088 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\246c6ae2cd80e7f094414177fd7d24fe94005cdd4a52f116e3645ab68863620dN.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:3948 -
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:1656
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3948 -s 6163⤵
- Program crash
PID:4440
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3948 -ip 39481⤵PID:3940
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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:780
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
MD5203f26e0febac026957e3c2626dc9b70
SHA1ee3eb20643c96cbc30e340e7fb28749470f58dae
SHA256ee51b4c413f7ad3564a30f6021d16351e495d01b083483490832d18363843903
SHA512d615642ddc1ba905d05b3d7105d44847d621f2740af13c9221cb2fc51d28924c85ac8025e8f9b0c8ae43c3a913db3a91d3b54fdebcc26a000bdc43ae7020176d
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Filesize
128B
MD5ac90cdceaeff039787e8b36b43918e1b
SHA1701f6e2158e99dd167cadb85bf9d76ed53a30cdd
SHA2565e7ad71fd23e15155c30db84957cd4409a970c898a509abd89b1ab509980caaf
SHA512765b0d81321e9733f307259f23e3c2ffe500e80874d3107624f1764a74ce912c02436e8941564216e823c8d9b14044c2f71eb900659332123e90a5c160228281