Analysis
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max time kernel
149s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19/04/2024, 19:32
Static task
static1
Behavioral task
behavioral1
Sample
9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe
Resource
win10v2004-20240412-en
General
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Target
9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe
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Size
4.2MB
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MD5
9cc466c25987d9b6fb55e22f351f9608
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SHA1
71cc0a724fca10d32cb9b54b38acf2d6733e1133
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SHA256
9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389
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SHA512
6dd293f948f4678ed7e0a38c264f2e2ef768ef5b9c8f2f4b12625754549a6c93057c2f3a23b34a5d2c0a0a5f87f9eb1d0d752effb146499e5158397ae14dc6b6
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SSDEEP
98304:btwUIgr6Tu/hivXD0fl0IvZVjhgp1+mYFjvUcmYnimsjZaHeL:Jw6rquKXDtU1Y2GYniVjUH+
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/4496-2-0x0000000004180000-0x0000000004A6B000-memory.dmp family_glupteba behavioral1/memory/4496-3-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/4416-58-0x0000000003FD0000-0x00000000048BB000-memory.dmp family_glupteba behavioral1/memory/4496-57-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/4416-60-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/4416-193-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/3128-260-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/3128-270-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/3128-273-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/3128-276-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/3128-279-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/3128-282-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/3128-285-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/3128-288-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/3128-291-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/3128-294-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/3128-297-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/3128-300-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/3128-303-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3652 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3128 csrss.exe 1704 injector.exe 1228 windefender.exe 2252 windefender.exe -
resource yara_rule behavioral1/files/0x000900000002344b-264.dat upx behavioral1/memory/1228-269-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2252-272-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2252-278-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2252-287-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe Set value (str) \REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\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 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 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 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe File created C:\Windows\rss\csrss.exe 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1132 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3884 4496 WerFault.exe 85 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3712 schtasks.exe 1728 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates 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\26\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs 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\26\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4088 powershell.exe 4088 powershell.exe 4496 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe 4496 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe 556 powershell.exe 556 powershell.exe 556 powershell.exe 4416 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe 4416 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe 4416 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe 4416 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe 4416 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe 4416 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe 4416 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe 4416 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe 4416 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe 4416 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe 4956 powershell.exe 4956 powershell.exe 4956 powershell.exe 3992 powershell.exe 3992 powershell.exe 3992 powershell.exe 4572 powershell.exe 4572 powershell.exe 4572 powershell.exe 1884 powershell.exe 1884 powershell.exe 1884 powershell.exe 3516 powershell.exe 3516 powershell.exe 3516 powershell.exe 1704 injector.exe 1704 injector.exe 1704 injector.exe 1704 injector.exe 1704 injector.exe 1704 injector.exe 3128 csrss.exe 3128 csrss.exe 1704 injector.exe 1704 injector.exe 1704 injector.exe 1704 injector.exe 1704 injector.exe 1704 injector.exe 3128 csrss.exe 3128 csrss.exe 1704 injector.exe 1704 injector.exe 1704 injector.exe 1704 injector.exe 3128 csrss.exe 3128 csrss.exe 1704 injector.exe 1704 injector.exe 1704 injector.exe 1704 injector.exe 1704 injector.exe 1704 injector.exe 1704 injector.exe 1704 injector.exe 1704 injector.exe 1704 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4088 powershell.exe Token: SeDebugPrivilege 4496 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe Token: SeImpersonatePrivilege 4496 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe Token: SeDebugPrivilege 556 powershell.exe Token: SeDebugPrivilege 4956 powershell.exe Token: SeDebugPrivilege 3992 powershell.exe Token: SeDebugPrivilege 4572 powershell.exe Token: SeDebugPrivilege 1884 powershell.exe Token: SeDebugPrivilege 3516 powershell.exe Token: SeSystemEnvironmentPrivilege 3128 csrss.exe Token: SeSecurityPrivilege 1132 sc.exe Token: SeSecurityPrivilege 1132 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4496 wrote to memory of 4088 4496 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe 89 PID 4496 wrote to memory of 4088 4496 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe 89 PID 4496 wrote to memory of 4088 4496 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe 89 PID 4416 wrote to memory of 556 4416 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe 100 PID 4416 wrote to memory of 556 4416 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe 100 PID 4416 wrote to memory of 556 4416 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe 100 PID 4416 wrote to memory of 2896 4416 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe 104 PID 4416 wrote to memory of 2896 4416 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe 104 PID 2896 wrote to memory of 3652 2896 cmd.exe 106 PID 2896 wrote to memory of 3652 2896 cmd.exe 106 PID 4416 wrote to memory of 4956 4416 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe 107 PID 4416 wrote to memory of 4956 4416 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe 107 PID 4416 wrote to memory of 4956 4416 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe 107 PID 4416 wrote to memory of 3992 4416 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe 109 PID 4416 wrote to memory of 3992 4416 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe 109 PID 4416 wrote to memory of 3992 4416 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe 109 PID 4416 wrote to memory of 3128 4416 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe 112 PID 4416 wrote to memory of 3128 4416 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe 112 PID 4416 wrote to memory of 3128 4416 9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe 112 PID 3128 wrote to memory of 4572 3128 csrss.exe 113 PID 3128 wrote to memory of 4572 3128 csrss.exe 113 PID 3128 wrote to memory of 4572 3128 csrss.exe 113 PID 3128 wrote to memory of 1884 3128 csrss.exe 119 PID 3128 wrote to memory of 1884 3128 csrss.exe 119 PID 3128 wrote to memory of 1884 3128 csrss.exe 119 PID 3128 wrote to memory of 3516 3128 csrss.exe 121 PID 3128 wrote to memory of 3516 3128 csrss.exe 121 PID 3128 wrote to memory of 3516 3128 csrss.exe 121 PID 3128 wrote to memory of 1704 3128 csrss.exe 123 PID 3128 wrote to memory of 1704 3128 csrss.exe 123 PID 1228 wrote to memory of 2948 1228 windefender.exe 130 PID 1228 wrote to memory of 2948 1228 windefender.exe 130 PID 1228 wrote to memory of 2948 1228 windefender.exe 130 PID 2948 wrote to memory of 1132 2948 cmd.exe 131 PID 2948 wrote to memory of 1132 2948 cmd.exe 131 PID 2948 wrote to memory of 1132 2948 cmd.exe 131 -
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\9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe"C:\Users\Admin\AppData\Local\Temp\9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4496 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4088
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C:\Users\Admin\AppData\Local\Temp\9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.exe"C:\Users\Admin\AppData\Local\Temp\9f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389.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:4416 -
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:556
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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:2896 -
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:3652
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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:4956
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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:3992
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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.
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3128 -
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:4572
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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:3712
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2448
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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:1884
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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:3516
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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:1704
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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:1728
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1228 -
C:\Windows\SysWOW64\cmd.execmd.exe /C sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)5⤵
- Suspicious use of WriteProcessMemory
PID:2948 -
C:\Windows\SysWOW64\sc.exesc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)6⤵
- Launches sc.exe
- Suspicious use of AdjustPrivilegeToken
PID:1132
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4496 -s 9082⤵
- Program crash
PID:3884
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4496 -ip 44961⤵PID:4056
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2252
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
1Privilege Escalation
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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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59802c5225b610d4aa528d9f5bf3b3c50
SHA10b435d97929dc898c3305ee7a23a3fd0321165b5
SHA256af76b27b67b1888bda91ca00d4dfbf5fe0c370305654d5092c999f6354ede091
SHA5129f1793c09ed250644260521a01a6c810484527e3ba50ab203211d60fc5a8bb5409dac9af91aabdc010e21affe2976ee4733e6a3dc3c0863a85017bc9319cedd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d1c0ae8baec76f56bbb9c809ac9865ed
SHA1647943df3a990682a8cf9684f64154196b74065a
SHA2568a0300061305c416afcfe4ca6f33d3cf53421115a03209e3f514fc56d3fb95c7
SHA51269220644dbc74a554d5e8f6e760721bf268a6b95507a7b9dca6db226a5fdd3a686570e81949eaad5d7a14a50ef8c9d813d39d5f81c85ebcda91e9cc0296d48b8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f5f542e255d8dd619356365c281b55d2
SHA1d6406fbcb81a6f3a7856fbd51973ed48ff57c770
SHA256954277dfdf56df481ad81eed5d2818731e9a7d01fcc1215144880b6eb2dc8204
SHA512cb0bd4f839ec4716b0fac2731f83b03b444d15c056d151c79a2fa0d153645e2364cc7e96107a277330ffa6c8e6b2114aa1cc1633d182944b7032ed2a5a98f900
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58da4de3f25759be43c7547b8d406fef2
SHA1bf24b9976302e78b04927ed2cdfe000601717da3
SHA2565197dfd506df1ca2b57152f9f0cc9ac05e24f21a53d54f315123f0f50736e7ba
SHA5121879ec2c54367308c01fc10b9e138b7190b3afc4881d57e309738891fd6a9f57bca86577d4532d921eb6066838d1d4e6c6a38fb6c176c5595b7977840c96f992
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53fb1316c58ab8bb30d6c6dff22ffb6f9
SHA10b7fd79c71d599968e93c70a6918e565de1d5822
SHA25662125fd3ea337df42ece6f406fa87cd3c366cb1948c90530635f1a0a67dada3a
SHA512c012402ac31b0f59a2b5725b806665b0523e379ca67e7e9ff4e23bb44e4714ed1c339a920e4e05ac89cf76b16b57b15049e330389a3fb667844db5a8d8029266
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Filesize
4.2MB
MD59cc466c25987d9b6fb55e22f351f9608
SHA171cc0a724fca10d32cb9b54b38acf2d6733e1133
SHA2569f5b8aa266cfe1d3cda895fa3710e77e90982e33370ef78f57d3b40e301af389
SHA5126dd293f948f4678ed7e0a38c264f2e2ef768ef5b9c8f2f4b12625754549a6c93057c2f3a23b34a5d2c0a0a5f87f9eb1d0d752effb146499e5158397ae14dc6b6
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec