Analysis
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max time kernel
134s -
max time network
140s -
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, 23:09
Static task
static1
Behavioral task
behavioral1
Sample
500be4f476a6e64002c2cc0df19c91b409ab94d63d0e41983d881c9348f91f70.dll
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
500be4f476a6e64002c2cc0df19c91b409ab94d63d0e41983d881c9348f91f70.dll
Resource
win10v2004-20250217-en
General
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Target
500be4f476a6e64002c2cc0df19c91b409ab94d63d0e41983d881c9348f91f70.dll
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Size
137KB
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MD5
48c25c8febbe92e9329f8b6995950f05
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SHA1
9ac0827456cb3214409d758ec88b943812036217
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SHA256
500be4f476a6e64002c2cc0df19c91b409ab94d63d0e41983d881c9348f91f70
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SHA512
00607438bdd868dc30cf83c3cd414d50069b7229d0099b564fab30fc3389ad4130a680ddc6b21667aebf68dddb04a28b3dd2a858501eb1fff31772643b0330c0
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SSDEEP
3072:WR02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUu9:T25GgFny61mraT
Malware Config
Signatures
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Gh0st RAT payload 3 IoCs
resource yara_rule behavioral2/memory/4912-5-0x0000000010000000-0x000000001001C000-memory.dmp family_gh0strat behavioral2/memory/4912-6-0x0000000010000000-0x000000001001C000-memory.dmp family_gh0strat behavioral2/memory/4912-42-0x0000000010000000-0x000000001001C000-memory.dmp family_gh0strat -
Gh0strat family
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Blocklisted process makes network request 1 IoCs
flow pid Process 14 4912 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\Standard TCP/IP 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\Appmon 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 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\USB Monitor 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\Appmon\Ports 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\Ports 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\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\Local Port 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 14 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/memory/4912-5-0x0000000010000000-0x000000001001C000-memory.dmp acprotect behavioral2/memory/4912-6-0x0000000010000000-0x000000001001C000-memory.dmp acprotect behavioral2/memory/4912-7-0x0000000003160000-0x000000000317D000-memory.dmp acprotect behavioral2/memory/4912-13-0x0000000003160000-0x000000000317D000-memory.dmp acprotect behavioral2/memory/4912-12-0x0000000003160000-0x000000000317D000-memory.dmp acprotect behavioral2/memory/4912-10-0x0000000003160000-0x000000000317D000-memory.dmp acprotect behavioral2/memory/4912-14-0x0000000003160000-0x000000000317D000-memory.dmp acprotect behavioral2/memory/4448-25-0x0000000002B90000-0x0000000002BAD000-memory.dmp acprotect behavioral2/memory/4448-29-0x0000000002B90000-0x0000000002BAD000-memory.dmp acprotect behavioral2/memory/4448-30-0x0000000002B90000-0x0000000002BAD000-memory.dmp acprotect behavioral2/memory/4448-28-0x0000000002B90000-0x0000000002BAD000-memory.dmp acprotect behavioral2/memory/4448-27-0x0000000002B90000-0x0000000002BAD000-memory.dmp acprotect behavioral2/memory/4448-24-0x0000000002B90000-0x0000000002BAD000-memory.dmp acprotect behavioral2/memory/4912-42-0x0000000010000000-0x000000001001C000-memory.dmp acprotect -
Drops file in System32 directory 10 IoCs
description ioc Process File created C:\Windows\SysWOW64\scsimon.dll svchost.exe File opened for modification C:\Windows\SysWOW64\com\comb.dll rundll32.exe File created C:\Windows\SysWOW64\scsimon.dll rundll32.exe File opened for modification C:\Windows\SysWOW64\com\comb.dll svchost.exe File opened for modification C:\Windows\SysWOW64\Miscson.dll rundll32.exe File created C:\Windows\SysWOW64\Miscson.dll rundll32.exe File opened for modification C:\Windows\SysWOW64\scsimon.dll rundll32.exe 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 -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4912 set thread context of 4448 4912 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 4692 4912 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 svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.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 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 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\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&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_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 -
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\S-1-5-19\Software\Microsoft\Windows NT\CurrentVersion\PrinterPorts 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\Microsoft Print to PDF = "winspool,Ne01:" 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 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\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 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\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\Fax = "winspool,Ne02:" 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 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-1-5-20\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\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-1-5-19\SOFTWARE\Microsoft\Windows NT\CurrentVersion\PrinterPorts\Fax = "winspool,Ne02:,15,45" Spoolsv.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4912 rundll32.exe Token: SeDebugPrivilege 4448 svchost.exe Token: SeDebugPrivilege 4912 rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 4924 wrote to memory of 4912 4924 rundll32.exe 84 PID 4924 wrote to memory of 4912 4924 rundll32.exe 84 PID 4924 wrote to memory of 4912 4924 rundll32.exe 84 PID 4912 wrote to memory of 4448 4912 rundll32.exe 87 PID 4912 wrote to memory of 4448 4912 rundll32.exe 87 PID 4912 wrote to memory of 4448 4912 rundll32.exe 87 PID 4912 wrote to memory of 4448 4912 rundll32.exe 87
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\500be4f476a6e64002c2cc0df19c91b409ab94d63d0e41983d881c9348f91f70.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4924 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\500be4f476a6e64002c2cc0df19c91b409ab94d63d0e41983d881c9348f91f70.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:4912 -
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:4448
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4912 -s 6163⤵
- Program crash
PID:4692
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4912 -ip 49121⤵PID:4776
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C:\Windows\system32\Spoolsv.exeSpoolsv.exe1⤵PID:3020
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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:3704
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
MD523ca603ec097be2719be0ec6a9f53943
SHA114c14bdda527ebe03ad9ec7b0c2d41768cc9d553
SHA256aefdb3e77fb8665f71aa5c25f3e767cd6f546c8e63c8f8fb8b8943842686dde1
SHA5128cbdbfd28346bda24b00afc9df5fb228ac696c98841a8f7a30886424e76720e079b6112fa47ebe236a00bc4175c0140aea0ff3bb7ac8411b4751996521d5c83f
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Filesize
137KB
MD5178f5eaadc306fcbc9e97b4d04de3ee3
SHA1aac65ace6c40c723722de55cc07a3714fa2496f8
SHA256d03dbf61bddea04b8ce1f4ad6b85529e2c0753afcbf061c9eb0929f53ac0c508
SHA51291af32db57f54af58dabd0f9e8b7680414fecdfdfaa6db44ce74db7d9cb9f8ca172de07baaf841b74cdfb7466608d5264bbc8e3a93c41704f30a508eab654d50
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Filesize
128B
MD5e30ce427133b6160609c8a1237ca14f8
SHA133c72abfd2bdcda546b88f633f3a9005a7e8bed2
SHA2564126dc26c5c62f32f602bf0f6ee4611dff04e52bc21ddaafd78d8bd4d82cb0a6
SHA512b19eb4cda4b6bf680a111c215d7a827c03b1341f10469ad64222aa09497c61f22742d58c238a0e778c8d69cec88afb4b2521fda23f73e33fdd3cc4d9b7ead6ae
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Filesize
247B
MD50616227d03a68d5a55c400a35b44e615
SHA1e714e10087cb7237c09dcb5bf20539b5ef29ba89
SHA256364cf424255199c0308d60053c53d3b872dbd325673c09ec2fd871f8abb3d4bc
SHA5125490420c86285d32cc3a4ae9ed8cf6eaee1931df585fd99ce8a26627b608ea79cfacdb671c35a7b1f40a09fac9f3d23c9ab6c1d26e89fdf36655f9d68f75ae1c
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Filesize
326B
MD52eca247e66ba8541ec03dea039ad0d12
SHA10544502bb5b593ce424bcb078120f1387590e7cc
SHA256faff30f65bce7b6fbd56840ddac56f491e0e290037b2d623a1063ebfa61e6a25
SHA512780a1d331b6ae6f908decbe68bf8366a986d368dfdccdbd3b0f1d4885d6f9dc3413f253e4f2816a226798157da5572948cb7ca19067e5c7af9e7994d0bc0b2a3
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Filesize
137KB
MD5a04c71443d83615ce1863ca1e5a67626
SHA11ea7c16099886cedd77649fb0f45125430b9fd47
SHA256d6dfe99d635690c9742254e94743cc122d617aa550da95a9392859e142b99b19
SHA512756ff47ef060dfe952dda7ea08939e15663add993caf06f5dd701dc17bb1271abe529fc5e5e19b804436e7b90737bb00ffd58ee4d268714dfa5a2b2083a4212e