Analysis
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max time kernel
301s -
max time network
300s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
06/10/2023, 06:54
Static task
static1
Behavioral task
behavioral1
Sample
baf14778c246e15550645e30ba78ce1c.exe
Resource
win7-20230831-en
General
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Target
baf14778c246e15550645e30ba78ce1c.exe
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Size
4.2MB
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MD5
cfc408dc44c357b7945e09f37f5a0f84
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SHA1
0a63edb32f421127f5cb106667f967bf33a774ef
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SHA256
051f2d78b7632727deed70bdbe9f41f5a8f94d8f7e596b70eaa6da72fa0412aa
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SHA512
5ea4178af48fd0bf213ff06dd1406f153cacd98d28f772d47e617e82fcd2fd78d6559a507c39d51e8351c2e783a8375800f8feebaa622403f7d8fe8feb784b92
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SSDEEP
98304:ZF10jpaWsugxMhTbI3iyxger++TzsWgXZ7U6:d0jUIHhTXIge5EjXZX
Malware Config
Signatures
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Glupteba payload 35 IoCs
resource yara_rule behavioral2/memory/5000-2-0x0000000004960000-0x000000000524B000-memory.dmp family_glupteba behavioral2/memory/5000-3-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral2/memory/5000-25-0x0000000004960000-0x000000000524B000-memory.dmp family_glupteba behavioral2/memory/5000-30-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral2/memory/5000-58-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral2/memory/3696-61-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral2/memory/3696-76-0x0000000004340000-0x000000000473E000-memory.dmp family_glupteba behavioral2/memory/3696-91-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral2/memory/3696-141-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral2/memory/3696-159-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral2/memory/4336-228-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral2/memory/4336-262-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral2/memory/4336-263-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral2/memory/4336-264-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral2/memory/4336-265-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral2/memory/4336-266-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral2/memory/4336-267-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral2/memory/4336-268-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral2/memory/4336-269-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral2/memory/4336-270-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral2/memory/4336-271-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral2/memory/4336-272-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral2/memory/4336-273-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral2/memory/4336-274-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral2/memory/4336-275-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral2/memory/4336-276-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral2/memory/4336-277-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral2/memory/4336-278-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral2/memory/4336-279-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral2/memory/4336-280-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral2/memory/4336-281-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral2/memory/4336-282-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral2/memory/4336-283-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral2/memory/4336-284-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral2/memory/4336-285-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 4184 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 4336 csrss.exe 1828 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" baf14778c246e15550645e30ba78ce1c.exe Set value (str) \REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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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 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 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 -
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 baf14778c246e15550645e30ba78ce1c.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss baf14778c246e15550645e30ba78ce1c.exe File created C:\Windows\rss\csrss.exe baf14778c246e15550645e30ba78ce1c.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2952 5000 WerFault.exe 80 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4744 schtasks.exe 412 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,-2432 = "Cuba Standard Time" baf14778c246e15550645e30ba78ce1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" baf14778c246e15550645e30ba78ce1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" baf14778c246e15550645e30ba78ce1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" baf14778c246e15550645e30ba78ce1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" baf14778c246e15550645e30ba78ce1c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" baf14778c246e15550645e30ba78ce1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" baf14778c246e15550645e30ba78ce1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" baf14778c246e15550645e30ba78ce1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" baf14778c246e15550645e30ba78ce1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" baf14778c246e15550645e30ba78ce1c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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,-511 = "Central Asia Daylight Time" baf14778c246e15550645e30ba78ce1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" baf14778c246e15550645e30ba78ce1c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" baf14778c246e15550645e30ba78ce1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" baf14778c246e15550645e30ba78ce1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" baf14778c246e15550645e30ba78ce1c.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" baf14778c246e15550645e30ba78ce1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" baf14778c246e15550645e30ba78ce1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" baf14778c246e15550645e30ba78ce1c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" baf14778c246e15550645e30ba78ce1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" baf14778c246e15550645e30ba78ce1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" baf14778c246e15550645e30ba78ce1c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" baf14778c246e15550645e30ba78ce1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" baf14778c246e15550645e30ba78ce1c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.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,-282 = "Central Europe Standard Time" baf14778c246e15550645e30ba78ce1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" baf14778c246e15550645e30ba78ce1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" baf14778c246e15550645e30ba78ce1c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" baf14778c246e15550645e30ba78ce1c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" baf14778c246e15550645e30ba78ce1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" baf14778c246e15550645e30ba78ce1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" baf14778c246e15550645e30ba78ce1c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" baf14778c246e15550645e30ba78ce1c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 980 powershell.exe 980 powershell.exe 980 powershell.exe 5000 baf14778c246e15550645e30ba78ce1c.exe 5000 baf14778c246e15550645e30ba78ce1c.exe 496 powershell.exe 496 powershell.exe 3696 baf14778c246e15550645e30ba78ce1c.exe 3696 baf14778c246e15550645e30ba78ce1c.exe 3696 baf14778c246e15550645e30ba78ce1c.exe 3696 baf14778c246e15550645e30ba78ce1c.exe 3696 baf14778c246e15550645e30ba78ce1c.exe 3696 baf14778c246e15550645e30ba78ce1c.exe 3696 baf14778c246e15550645e30ba78ce1c.exe 3696 baf14778c246e15550645e30ba78ce1c.exe 3696 baf14778c246e15550645e30ba78ce1c.exe 3696 baf14778c246e15550645e30ba78ce1c.exe 2308 powershell.exe 2308 powershell.exe 1868 powershell.exe 1868 powershell.exe 2400 powershell.exe 2400 powershell.exe 1676 powershell.exe 1676 powershell.exe 1652 powershell.exe 1652 powershell.exe 1828 injector.exe 1828 injector.exe 1828 injector.exe 1828 injector.exe 1828 injector.exe 1828 injector.exe 4336 csrss.exe 4336 csrss.exe 1828 injector.exe 1828 injector.exe 1828 injector.exe 1828 injector.exe 1828 injector.exe 1828 injector.exe 4336 csrss.exe 4336 csrss.exe 1828 injector.exe 1828 injector.exe 1828 injector.exe 1828 injector.exe 1828 injector.exe 1828 injector.exe 1828 injector.exe 1828 injector.exe 1828 injector.exe 1828 injector.exe 1828 injector.exe 1828 injector.exe 1828 injector.exe 1828 injector.exe 1828 injector.exe 1828 injector.exe 1828 injector.exe 1828 injector.exe 1828 injector.exe 1828 injector.exe 1828 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 980 powershell.exe Token: SeDebugPrivilege 5000 baf14778c246e15550645e30ba78ce1c.exe Token: SeImpersonatePrivilege 5000 baf14778c246e15550645e30ba78ce1c.exe Token: SeDebugPrivilege 496 powershell.exe Token: SeDebugPrivilege 2308 powershell.exe Token: SeDebugPrivilege 1868 powershell.exe Token: SeDebugPrivilege 2400 powershell.exe Token: SeDebugPrivilege 1676 powershell.exe Token: SeDebugPrivilege 1652 powershell.exe Token: SeSystemEnvironmentPrivilege 4336 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 5000 wrote to memory of 980 5000 baf14778c246e15550645e30ba78ce1c.exe 90 PID 5000 wrote to memory of 980 5000 baf14778c246e15550645e30ba78ce1c.exe 90 PID 5000 wrote to memory of 980 5000 baf14778c246e15550645e30ba78ce1c.exe 90 PID 3696 wrote to memory of 496 3696 baf14778c246e15550645e30ba78ce1c.exe 102 PID 3696 wrote to memory of 496 3696 baf14778c246e15550645e30ba78ce1c.exe 102 PID 3696 wrote to memory of 496 3696 baf14778c246e15550645e30ba78ce1c.exe 102 PID 3696 wrote to memory of 1036 3696 baf14778c246e15550645e30ba78ce1c.exe 105 PID 3696 wrote to memory of 1036 3696 baf14778c246e15550645e30ba78ce1c.exe 105 PID 1036 wrote to memory of 4184 1036 cmd.exe 107 PID 1036 wrote to memory of 4184 1036 cmd.exe 107 PID 3696 wrote to memory of 2308 3696 baf14778c246e15550645e30ba78ce1c.exe 108 PID 3696 wrote to memory of 2308 3696 baf14778c246e15550645e30ba78ce1c.exe 108 PID 3696 wrote to memory of 2308 3696 baf14778c246e15550645e30ba78ce1c.exe 108 PID 3696 wrote to memory of 1868 3696 baf14778c246e15550645e30ba78ce1c.exe 110 PID 3696 wrote to memory of 1868 3696 baf14778c246e15550645e30ba78ce1c.exe 110 PID 3696 wrote to memory of 1868 3696 baf14778c246e15550645e30ba78ce1c.exe 110 PID 3696 wrote to memory of 4336 3696 baf14778c246e15550645e30ba78ce1c.exe 112 PID 3696 wrote to memory of 4336 3696 baf14778c246e15550645e30ba78ce1c.exe 112 PID 3696 wrote to memory of 4336 3696 baf14778c246e15550645e30ba78ce1c.exe 112 PID 4336 wrote to memory of 2400 4336 csrss.exe 113 PID 4336 wrote to memory of 2400 4336 csrss.exe 113 PID 4336 wrote to memory of 2400 4336 csrss.exe 113 PID 4336 wrote to memory of 1676 4336 csrss.exe 116 PID 4336 wrote to memory of 1676 4336 csrss.exe 116 PID 4336 wrote to memory of 1676 4336 csrss.exe 116 PID 4336 wrote to memory of 1652 4336 csrss.exe 121 PID 4336 wrote to memory of 1652 4336 csrss.exe 121 PID 4336 wrote to memory of 1652 4336 csrss.exe 121 PID 4336 wrote to memory of 1828 4336 csrss.exe 123 PID 4336 wrote to memory of 1828 4336 csrss.exe 123 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\baf14778c246e15550645e30ba78ce1c.exe"C:\Users\Admin\AppData\Local\Temp\baf14778c246e15550645e30ba78ce1c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5000 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:980
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C:\Users\Admin\AppData\Local\Temp\baf14778c246e15550645e30ba78ce1c.exe"C:\Users\Admin\AppData\Local\Temp\baf14778c246e15550645e30ba78ce1c.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:3696 -
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:496
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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:1036 -
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:4184
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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:2308
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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:1868
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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:4336 -
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:2400
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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:412
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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:1676
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4444
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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:1652
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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:1828
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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:4744
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5000 -s 9162⤵
- Program crash
PID:2952
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 5000 -ip 50001⤵PID:5016
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
MD5c9d3a0262b8aa5e4dd6ce8554c40e683
SHA14b787e1a62ea130d4ecb15038d442847a4606f53
SHA256e5b5b0bdb4838ba940473a1bd6f0d218f31d0b8a99201daf6d78aa71d58de8bc
SHA5129ad6cfc3972048a1cb31bcccff63906a0d4d102fea5d3ecfba59d591e7f0c90e8ffa9608c0215f358e7ece1e83686d1ff114fc575288ab6c480549cb37c4a661
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d109b64541c239a70baaccdb186dfb07
SHA19c647e4d11a4a892a07f1836caf12bd1e4b288f7
SHA25623c0afb9217ed079d90aa7d4c492e4a77f84e0e2736dde4705c3612ffe1c0be8
SHA5125adaece1b06c0e7267a00688402fd0a062dede8f3e06f6a2cbe9598108237fbfbed50f1ca5226a3241a1ae4c2e8a5b21d80d647e9865951f55c819bdafdb51df
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5590edada9144d27d78bbcecac8552ac9
SHA1d513302a324c19e111d3c94dbc483a01290df370
SHA25616906c6b15d5e763f8200ed9cc1bb381cf81032cf1c7bcaa5235ed8519a1b2db
SHA512b891ce291de14954392fbbb431ca06958ab8dba86da2777c77396a63ffe24823741d856250b56d9e939baaa0545c96b7c7b2afec01fb50791a23b49cb646e750
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD521b4610d28d54ebac1392229ee550fbf
SHA10d554e9e8f8ef51eb5074fd80ef36ad323725b8f
SHA256c27fcebb36920e17551d841024f09954d297349a3387202fd2cb03b3d1964167
SHA512080bac2dc1e9d4bd533a5c351f02fe496caa4ad0e159ef008cc6a0cb12b85b18f40785ae991834f786599841678b425676f777ebefe708df959d3bd11161d8ae
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a42d69c3d560c098f4bc2b55700eac89
SHA1726821198847a3660980f04f5b1dcf32bd96e16d
SHA256a0fa8fd4f37e838bc89a5186e56064dead9cddbe349a242e1d8f15f9f31fdc5a
SHA512c8c4c84758543ce06c9bb80a75aff1549d4a51409ace1666219a5856a6c7b53ad0ffc75a3713836627fdff37a1743105f53c1fcf25ae3559e0352f2a29d7473b
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Filesize
4.2MB
MD5cfc408dc44c357b7945e09f37f5a0f84
SHA10a63edb32f421127f5cb106667f967bf33a774ef
SHA256051f2d78b7632727deed70bdbe9f41f5a8f94d8f7e596b70eaa6da72fa0412aa
SHA5125ea4178af48fd0bf213ff06dd1406f153cacd98d28f772d47e617e82fcd2fd78d6559a507c39d51e8351c2e783a8375800f8feebaa622403f7d8fe8feb784b92
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Filesize
4.2MB
MD5cfc408dc44c357b7945e09f37f5a0f84
SHA10a63edb32f421127f5cb106667f967bf33a774ef
SHA256051f2d78b7632727deed70bdbe9f41f5a8f94d8f7e596b70eaa6da72fa0412aa
SHA5125ea4178af48fd0bf213ff06dd1406f153cacd98d28f772d47e617e82fcd2fd78d6559a507c39d51e8351c2e783a8375800f8feebaa622403f7d8fe8feb784b92