Analysis
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max time kernel
150s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
28/08/2023, 09:54
Static task
static1
General
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Target
0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe
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Size
4.2MB
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MD5
1a0c4aac0685ca071f1cab594859e2f1
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SHA1
29766e95cf43c2366713baed78bb622cc315252f
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SHA256
0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef
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SHA512
9d7e949b99f0559231cf41921364c3b2223195c18d360ae2144d8ac85d29f2e81eb1480d3803bd4cc7f4cb8bebd8c9eb325216d50ca11316deb75ec40d053271
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SSDEEP
98304:cvgU0+Z8fmcZeF2mw1bhw4Td2sb8DrDzI:SXmfmcZe2TwLsOrDs
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/1228-2-0x00000000049A0000-0x000000000528B000-memory.dmp family_glupteba behavioral1/memory/1228-3-0x0000000000400000-0x00000000026CF000-memory.dmp family_glupteba behavioral1/memory/1228-22-0x00000000049A0000-0x000000000528B000-memory.dmp family_glupteba behavioral1/memory/1228-23-0x0000000000400000-0x00000000026CF000-memory.dmp family_glupteba behavioral1/memory/1228-48-0x0000000000400000-0x00000000026CF000-memory.dmp family_glupteba behavioral1/memory/2552-57-0x00000000048D0000-0x00000000051BB000-memory.dmp family_glupteba behavioral1/memory/2552-58-0x0000000000400000-0x00000000026CF000-memory.dmp family_glupteba behavioral1/memory/1228-71-0x0000000000400000-0x00000000026CF000-memory.dmp family_glupteba behavioral1/memory/2552-86-0x0000000000400000-0x00000000026CF000-memory.dmp family_glupteba behavioral1/memory/2552-120-0x0000000000400000-0x00000000026CF000-memory.dmp family_glupteba behavioral1/memory/2552-155-0x0000000000400000-0x00000000026CF000-memory.dmp family_glupteba behavioral1/memory/2868-159-0x0000000000400000-0x00000000026CF000-memory.dmp family_glupteba behavioral1/memory/2868-190-0x0000000000400000-0x00000000026CF000-memory.dmp family_glupteba behavioral1/memory/2868-251-0x0000000000400000-0x00000000026CF000-memory.dmp family_glupteba behavioral1/memory/2868-254-0x0000000000400000-0x00000000026CF000-memory.dmp family_glupteba behavioral1/memory/2868-256-0x0000000000400000-0x00000000026CF000-memory.dmp family_glupteba behavioral1/memory/2868-258-0x0000000000400000-0x00000000026CF000-memory.dmp family_glupteba behavioral1/memory/2868-260-0x0000000000400000-0x00000000026CF000-memory.dmp family_glupteba behavioral1/memory/2868-262-0x0000000000400000-0x00000000026CF000-memory.dmp family_glupteba behavioral1/memory/2868-264-0x0000000000400000-0x00000000026CF000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 1468 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 2868 csrss.exe 4228 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe Set value (str) \REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe File created C:\Windows\rss\csrss.exe 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3888 schtasks.exe 4436 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4984 powershell.exe 4984 powershell.exe 1228 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe 1228 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe 2624 powershell.exe 2624 powershell.exe 2552 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe 2552 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe 2552 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe 2552 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe 2552 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe 2552 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe 2552 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe 2552 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe 2552 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe 2552 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe 2840 powershell.exe 2840 powershell.exe 4540 powershell.exe 4540 powershell.exe 1436 powershell.exe 1436 powershell.exe 876 powershell.exe 876 powershell.exe 4948 powershell.exe 4948 powershell.exe 4228 injector.exe 4228 injector.exe 4228 injector.exe 4228 injector.exe 4228 injector.exe 4228 injector.exe 2868 csrss.exe 2868 csrss.exe 4228 injector.exe 4228 injector.exe 4228 injector.exe 4228 injector.exe 4228 injector.exe 4228 injector.exe 2868 csrss.exe 2868 csrss.exe 4228 injector.exe 4228 injector.exe 4228 injector.exe 4228 injector.exe 4228 injector.exe 4228 injector.exe 4228 injector.exe 4228 injector.exe 4228 injector.exe 4228 injector.exe 4228 injector.exe 4228 injector.exe 4228 injector.exe 4228 injector.exe 4228 injector.exe 4228 injector.exe 4228 injector.exe 4228 injector.exe 4228 injector.exe 4228 injector.exe 4228 injector.exe 4228 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 4984 powershell.exe Token: SeDebugPrivilege 1228 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe Token: SeImpersonatePrivilege 1228 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe Token: SeDebugPrivilege 2624 powershell.exe Token: SeDebugPrivilege 2840 powershell.exe Token: SeDebugPrivilege 4540 powershell.exe Token: SeDebugPrivilege 1436 powershell.exe Token: SeDebugPrivilege 876 powershell.exe Token: SeDebugPrivilege 4948 powershell.exe Token: SeSystemEnvironmentPrivilege 2868 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 1228 wrote to memory of 4984 1228 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe 84 PID 1228 wrote to memory of 4984 1228 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe 84 PID 1228 wrote to memory of 4984 1228 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe 84 PID 2552 wrote to memory of 2624 2552 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe 89 PID 2552 wrote to memory of 2624 2552 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe 89 PID 2552 wrote to memory of 2624 2552 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe 89 PID 2552 wrote to memory of 4244 2552 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe 92 PID 2552 wrote to memory of 4244 2552 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe 92 PID 4244 wrote to memory of 1468 4244 cmd.exe 94 PID 4244 wrote to memory of 1468 4244 cmd.exe 94 PID 2552 wrote to memory of 2840 2552 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe 95 PID 2552 wrote to memory of 2840 2552 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe 95 PID 2552 wrote to memory of 2840 2552 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe 95 PID 2552 wrote to memory of 4540 2552 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe 97 PID 2552 wrote to memory of 4540 2552 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe 97 PID 2552 wrote to memory of 4540 2552 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe 97 PID 2552 wrote to memory of 2868 2552 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe 103 PID 2552 wrote to memory of 2868 2552 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe 103 PID 2552 wrote to memory of 2868 2552 0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe 103 PID 2868 wrote to memory of 1436 2868 csrss.exe 105 PID 2868 wrote to memory of 1436 2868 csrss.exe 105 PID 2868 wrote to memory of 1436 2868 csrss.exe 105 PID 2868 wrote to memory of 876 2868 csrss.exe 111 PID 2868 wrote to memory of 876 2868 csrss.exe 111 PID 2868 wrote to memory of 876 2868 csrss.exe 111 PID 2868 wrote to memory of 4948 2868 csrss.exe 113 PID 2868 wrote to memory of 4948 2868 csrss.exe 113 PID 2868 wrote to memory of 4948 2868 csrss.exe 113 PID 2868 wrote to memory of 4228 2868 csrss.exe 115 PID 2868 wrote to memory of 4228 2868 csrss.exe 115
Processes
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C:\Users\Admin\AppData\Local\Temp\0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe"C:\Users\Admin\AppData\Local\Temp\0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1228 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4984
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C:\Users\Admin\AppData\Local\Temp\0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe"C:\Users\Admin\AppData\Local\Temp\0dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef.exe"2⤵
- Adds Run key to start application
- Checks for VirtualBox DLLs, possible anti-VM trick
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2552 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2624
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C:\Windows\system32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"3⤵
- Suspicious use of WriteProcessMemory
PID:4244 -
C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes4⤵
- Modifies Windows Firewall
PID:1468
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2840
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4540
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2868 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1436
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3888
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4104
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:876
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4948
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:4228
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4436
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a5e216aefb4e69e7e3bd0e84111973c8
SHA1a51a28291a210ad23ca42f578ca5c2ff6771d173
SHA256e2acc6ef22d416677a4c970b798938fce7a12d0a571c7475d0e525e76155a195
SHA512a4dc282c5a3f6eed300b1f8bc90f58cda5409949f04277b50ff627f7c6e68ed19db00df6b6e2acf87d8d3e3d79602085a629059676920d1eb5e7ee8f274cfefe
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b185380a8dc0c7999b89c5a9a83231ed
SHA1b28b88e67d0e6cd3de2a10f7c1d25005f563fddd
SHA256904ba97369dde79a7fc587b812d8e2088da47ee929bb0c2f9430b072494b79eb
SHA512e81454a247694687f874944fdbc52e4544e4dcff753cc1713230404ab3674a596751988d30d5f406c61da6de6d3defb21a5f7118b17178304655eaabcb558615
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5df98fd521f82a7111d4a6c7edaa8628f
SHA18aa323bd7a3d591eee1adc081a5365d65885bd7f
SHA256fe49540d43482b0d2a904a4bd97fa8369080684312370bd8d677a51e61ece321
SHA512bb3a382f2c3d415e1821bd47c716f88af70768a4c43f8deae3e71f62c5774832ce3fe007e26970b75ad8a6b49a78f10681e3d690dbbab9e3ba982cc2df73674e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b35bea2f7e1c7f4faa2c9a219f872c35
SHA12375ae0a226b2d864bfa88eba1d729f16674d115
SHA2569d02cd2187a950f9f9cd5f7088baa738fafb0a2e21ca8a1fe5e7852ea39983ba
SHA5128ff34a26319bb682e62788dd1bacb704231327b3f2c8d14aac4caed0de6a37cb5298d85881d28e32c61498ed9c8cda91ea94a1452dc384fa76cd404b884d68d3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e7e3a2d6f5aff7eb1335264e2ab4b2fc
SHA15038125f8782a211909f50f9bffdc4b36e483953
SHA2564f5de26555bacaf30c81daa2295fc989d0df55ad1d9566a1d111345c7a85ac04
SHA51232bbdb56c8f2d1d9d265833c43827de4ccb5ca0237f1e55d22012fc5f5ff13fec7abe260d8ed90e60f600436d6b8cd1c6dcc9ae292235fc88f91ad041afb29e4
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Filesize
4.2MB
MD51a0c4aac0685ca071f1cab594859e2f1
SHA129766e95cf43c2366713baed78bb622cc315252f
SHA2560dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef
SHA5129d7e949b99f0559231cf41921364c3b2223195c18d360ae2144d8ac85d29f2e81eb1480d3803bd4cc7f4cb8bebd8c9eb325216d50ca11316deb75ec40d053271
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Filesize
4.2MB
MD51a0c4aac0685ca071f1cab594859e2f1
SHA129766e95cf43c2366713baed78bb622cc315252f
SHA2560dfb930597f459e1d47d7a37d3cfa8a966155eb081b812a958895946bccd71ef
SHA5129d7e949b99f0559231cf41921364c3b2223195c18d360ae2144d8ac85d29f2e81eb1480d3803bd4cc7f4cb8bebd8c9eb325216d50ca11316deb75ec40d053271