Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
18-05-2024 11:31
Static task
static1
Behavioral task
behavioral1
Sample
a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe
Resource
win10v2004-20240508-en
General
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Target
a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe
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Size
4.1MB
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MD5
14858ab25d16ceab589e312ed7719756
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SHA1
bf21e2e69cf9cc5bfc00a3e097cdfa8c38f9fe25
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SHA256
a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14
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SHA512
938e3c4ca8511cab559097d7b8293ec4f8f009a40be383e6ad8fa28997633ebf1e0f10cda3877ec9f2a4ce770e3164737a60eb6483a8ca4da15f64c25d7c960e
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SSDEEP
98304:4Z9bi3QNEOtUId2petU9sYIhWVMAA4+Hk:R303UIApyYIhWVME5
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/912-2-0x0000000004CE0000-0x00000000055CB000-memory.dmp family_glupteba behavioral1/memory/912-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/912-104-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/912-155-0x0000000004CE0000-0x00000000055CB000-memory.dmp family_glupteba behavioral1/memory/4376-183-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/912-208-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3504-214-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3504-226-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3504-230-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3504-234-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3504-238-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3504-242-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3504-246-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3504-250-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3504-254-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3504-258-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3504-262-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3504-266-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3504-270-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4384 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3504 csrss.exe 716 injector.exe 1932 windefender.exe 1124 windefender.exe -
resource yara_rule behavioral1/files/0x0007000000023462-218.dat upx behavioral1/memory/1932-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1124-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1932-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1124-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1124-237-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\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 a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe File created C:\Windows\rss\csrss.exe a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.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 1524 sc.exe -
pid Process 4776 powershell.exe 1692 powershell.exe 3640 powershell.exe 1988 powershell.exe 3572 powershell.exe 2480 powershell.exe 4344 powershell.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 3132 schtasks.exe 656 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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\2a\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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\2a\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\2a\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.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\2a\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.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\UNCAsIntranet = "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\2a\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\2a\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2480 powershell.exe 2480 powershell.exe 912 a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe 912 a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe 4344 powershell.exe 4344 powershell.exe 4376 a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe 4376 a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe 4376 a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe 4376 a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe 4376 a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe 4376 a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe 4376 a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe 4376 a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe 4376 a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe 4376 a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe 4776 powershell.exe 4776 powershell.exe 4776 powershell.exe 1692 powershell.exe 1692 powershell.exe 1692 powershell.exe 3640 powershell.exe 3640 powershell.exe 3640 powershell.exe 1988 powershell.exe 1988 powershell.exe 3572 powershell.exe 3572 powershell.exe 716 injector.exe 716 injector.exe 716 injector.exe 716 injector.exe 716 injector.exe 716 injector.exe 3504 csrss.exe 3504 csrss.exe 716 injector.exe 716 injector.exe 716 injector.exe 716 injector.exe 716 injector.exe 716 injector.exe 3504 csrss.exe 3504 csrss.exe 716 injector.exe 716 injector.exe 3504 csrss.exe 3504 csrss.exe 716 injector.exe 716 injector.exe 716 injector.exe 716 injector.exe 716 injector.exe 716 injector.exe 716 injector.exe 716 injector.exe 716 injector.exe 716 injector.exe 716 injector.exe 716 injector.exe 716 injector.exe 716 injector.exe 716 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2480 powershell.exe Token: SeDebugPrivilege 912 a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe Token: SeImpersonatePrivilege 912 a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe Token: SeDebugPrivilege 4344 powershell.exe Token: SeDebugPrivilege 4776 powershell.exe Token: SeDebugPrivilege 1692 powershell.exe Token: SeDebugPrivilege 3640 powershell.exe Token: SeDebugPrivilege 1988 powershell.exe Token: SeDebugPrivilege 3572 powershell.exe Token: SeSystemEnvironmentPrivilege 3504 csrss.exe Token: SeSecurityPrivilege 1524 sc.exe Token: SeSecurityPrivilege 1524 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 912 wrote to memory of 2480 912 a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe 83 PID 912 wrote to memory of 2480 912 a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe 83 PID 912 wrote to memory of 2480 912 a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe 83 PID 4376 wrote to memory of 4344 4376 a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe 95 PID 4376 wrote to memory of 4344 4376 a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe 95 PID 4376 wrote to memory of 4344 4376 a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe 95 PID 4376 wrote to memory of 4684 4376 a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe 99 PID 4376 wrote to memory of 4684 4376 a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe 99 PID 4684 wrote to memory of 4384 4684 cmd.exe 101 PID 4684 wrote to memory of 4384 4684 cmd.exe 101 PID 4376 wrote to memory of 4776 4376 a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe 102 PID 4376 wrote to memory of 4776 4376 a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe 102 PID 4376 wrote to memory of 4776 4376 a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe 102 PID 4376 wrote to memory of 1692 4376 a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe 106 PID 4376 wrote to memory of 1692 4376 a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe 106 PID 4376 wrote to memory of 1692 4376 a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe 106 PID 4376 wrote to memory of 3504 4376 a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe 108 PID 4376 wrote to memory of 3504 4376 a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe 108 PID 4376 wrote to memory of 3504 4376 a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe 108 PID 3504 wrote to memory of 3640 3504 csrss.exe 109 PID 3504 wrote to memory of 3640 3504 csrss.exe 109 PID 3504 wrote to memory of 3640 3504 csrss.exe 109 PID 3504 wrote to memory of 1988 3504 csrss.exe 114 PID 3504 wrote to memory of 1988 3504 csrss.exe 114 PID 3504 wrote to memory of 1988 3504 csrss.exe 114 PID 3504 wrote to memory of 3572 3504 csrss.exe 117 PID 3504 wrote to memory of 3572 3504 csrss.exe 117 PID 3504 wrote to memory of 3572 3504 csrss.exe 117 PID 3504 wrote to memory of 716 3504 csrss.exe 119 PID 3504 wrote to memory of 716 3504 csrss.exe 119 PID 1932 wrote to memory of 4344 1932 windefender.exe 126 PID 1932 wrote to memory of 4344 1932 windefender.exe 126 PID 1932 wrote to memory of 4344 1932 windefender.exe 126 PID 4344 wrote to memory of 1524 4344 cmd.exe 127 PID 4344 wrote to memory of 1524 4344 cmd.exe 127 PID 4344 wrote to memory of 1524 4344 cmd.exe 127 -
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\a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe"C:\Users\Admin\AppData\Local\Temp\a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:912 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2480
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C:\Users\Admin\AppData\Local\Temp\a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.exe"C:\Users\Admin\AppData\Local\Temp\a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14.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:4376 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4344
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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:4684 -
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:4384
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4776
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1692
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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:3504 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3640
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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:3132
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3896
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1988
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3572
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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:716
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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:656
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1932 -
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:4344 -
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:1524
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1124
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
MD5850a7ddcbb4a19dd2ce8ee44d102de3c
SHA159d6348d3b67f9ddaec45d7bc799485b47cf6b42
SHA2567ac493d3a78b0e428fd1c3c7136a9a41080da8c0e56e10e50140980b4e38b6d5
SHA512166fc9a106dcf8b7f174f7d60b39c6b63472d66959a8eddf178b483809d9b080eac6ebb5f1c1148183928276b37bc73eb2b575dc62b0ea03e550f15073a37e73
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5225164cdf515658f379321e830b7e89d
SHA1e9f184a13a272288f3e9b4ec0e9fda29c1b84cff
SHA256a1ce391e2197a89d3f357e224255427c2d89978b1551d687155fcee3bf942ffd
SHA5121f0a1e58056334efa2569aa794f16eb91c932246c5ff0a062d128e2561cdbe5cc540ae0ccca17be0a107aa597d67930dd1e214afae731c124b19b9d27a356e00
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD509d521fa8d8ee2fc0b06899f0108be86
SHA1a351f2077574432bed9ad709c5c52213ce74fd48
SHA2562bfa1988e6725d4809464900e44a842b3dfc08f1c88841174df762de6de7cf6c
SHA512c77980e6998aea0587c74dbcf7e1982afb2fa31247641553083ac324c5e5b5e5203ece904d934599006ccab9a91c7e80e527c4bd92c6afa908c6fc5ad0d75ab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56302add22466d8b3eb1021cd3c9e0bcb
SHA1b4aaa0b53122edb27f0bf38279b5a331db3b98d2
SHA25670596ba263a2ac1ffa8560f1227a429a67b05cf228b5bf19e8d35909f8652369
SHA5123abf3999eb3d932377f922f71c0fdf896d2768e8d477acbb079673e648b25a730f8a86114e2c8e0c1d25fd183a46d465cdffe734c7a40b0f837c3ee33c36b838
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD590402a2bedb59804762be071b302ed1d
SHA18629d91f5714f3abf351cf060f70444e7e8d60a0
SHA256e8775693375e66146f84f1dffa83c67a604be56234c26cc4c3f2f8d44f2bf8ea
SHA51273321d876fef3967d7a892789e8d2b8ae3d591c33c11f68fddbad5fff90813da1da7a4bcc5174b6477821579165a70b1633b1820ada7ff4081d34583748343f4
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Filesize
4.1MB
MD514858ab25d16ceab589e312ed7719756
SHA1bf21e2e69cf9cc5bfc00a3e097cdfa8c38f9fe25
SHA256a533e73d1acc498e8866d07fb8e3d154be8dd1c29552d13ba09c668e70413e14
SHA512938e3c4ca8511cab559097d7b8293ec4f8f009a40be383e6ad8fa28997633ebf1e0f10cda3877ec9f2a4ce770e3164737a60eb6483a8ca4da15f64c25d7c960e
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec