Analysis
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max time kernel
149s -
max time network
149s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
19/04/2024, 19:26
Static task
static1
Behavioral task
behavioral1
Sample
c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe
Resource
win10v2004-20240226-en
General
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Target
c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe
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Size
4.2MB
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MD5
a7c99d11e0a3f11864ee6b71bf2f4b08
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SHA1
c50f1b9ddaa06a55e0d6abba687d77a482bb2408
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SHA256
c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97
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SHA512
84bfb379a80980fb909b59a4e3a24e922b6d93647f61c77794e5ab09e1d6fcd95f70abf0e9f804742146f3176413aae54267c9bdf52023ab4c548a234c9fea60
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SSDEEP
98304:TtwUIgr6Tu/hivXD0fl0IvZVjhgp1+mYFjvUcmYnimsjZaHeF:Rw6rquKXDtU1Y2GYniVjUHw
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/2344-2-0x0000000004210000-0x0000000004AFB000-memory.dmp family_glupteba behavioral2/memory/2344-3-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/2344-51-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/2344-54-0x0000000004210000-0x0000000004AFB000-memory.dmp family_glupteba behavioral2/memory/3252-55-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/3252-149-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/5092-245-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/5092-254-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/5092-256-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/5092-258-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/5092-260-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/5092-262-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/5092-264-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/5092-266-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/5092-268-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/5092-270-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/5092-272-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/5092-274-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/5092-276-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2020 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 5092 csrss.exe 4220 injector.exe 4968 windefender.exe 3968 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9bd-248.dat upx behavioral2/memory/4968-252-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3968-255-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3968-259-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3263309122-2820180308-3568046652-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe Set value (str) \REGISTRY\USER\S-1-5-21-3263309122-2820180308-3568046652-1000\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 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 -
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 c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe File created C:\Windows\rss\csrss.exe c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3960 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 828 3252 WerFault.exe 86 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1760 schtasks.exe 2880 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\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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\26\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates 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\26\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4808 powershell.exe 4808 powershell.exe 2344 c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe 2344 c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe 5044 powershell.exe 5044 powershell.exe 3252 c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe 3252 c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe 3252 c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe 3252 c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe 3252 c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe 3252 c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe 3252 c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe 3252 c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe 3252 c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe 3252 c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe 2856 powershell.exe 2856 powershell.exe 4376 powershell.exe 4376 powershell.exe 4284 powershell.exe 4284 powershell.exe 2720 powershell.exe 2720 powershell.exe 568 powershell.exe 568 powershell.exe 4220 injector.exe 4220 injector.exe 4220 injector.exe 4220 injector.exe 4220 injector.exe 4220 injector.exe 5092 csrss.exe 5092 csrss.exe 4220 injector.exe 4220 injector.exe 4220 injector.exe 4220 injector.exe 4220 injector.exe 4220 injector.exe 5092 csrss.exe 5092 csrss.exe 4220 injector.exe 4220 injector.exe 4220 injector.exe 4220 injector.exe 4220 injector.exe 4220 injector.exe 5092 csrss.exe 5092 csrss.exe 4220 injector.exe 4220 injector.exe 4220 injector.exe 4220 injector.exe 4220 injector.exe 4220 injector.exe 4220 injector.exe 4220 injector.exe 4220 injector.exe 4220 injector.exe 4220 injector.exe 4220 injector.exe 4220 injector.exe 4220 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4808 powershell.exe Token: SeDebugPrivilege 2344 c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe Token: SeImpersonatePrivilege 2344 c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe Token: SeDebugPrivilege 5044 powershell.exe Token: SeDebugPrivilege 2856 powershell.exe Token: SeDebugPrivilege 4376 powershell.exe Token: SeDebugPrivilege 4284 powershell.exe Token: SeDebugPrivilege 2720 powershell.exe Token: SeDebugPrivilege 568 powershell.exe Token: SeSystemEnvironmentPrivilege 5092 csrss.exe Token: SeSecurityPrivilege 3960 sc.exe Token: SeSecurityPrivilege 3960 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2344 wrote to memory of 4808 2344 c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe 82 PID 2344 wrote to memory of 4808 2344 c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe 82 PID 2344 wrote to memory of 4808 2344 c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe 82 PID 3252 wrote to memory of 5044 3252 c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe 87 PID 3252 wrote to memory of 5044 3252 c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe 87 PID 3252 wrote to memory of 5044 3252 c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe 87 PID 3252 wrote to memory of 952 3252 c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe 89 PID 3252 wrote to memory of 952 3252 c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe 89 PID 952 wrote to memory of 2020 952 cmd.exe 91 PID 952 wrote to memory of 2020 952 cmd.exe 91 PID 3252 wrote to memory of 2856 3252 c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe 92 PID 3252 wrote to memory of 2856 3252 c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe 92 PID 3252 wrote to memory of 2856 3252 c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe 92 PID 3252 wrote to memory of 4376 3252 c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe 94 PID 3252 wrote to memory of 4376 3252 c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe 94 PID 3252 wrote to memory of 4376 3252 c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe 94 PID 3252 wrote to memory of 5092 3252 c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe 96 PID 3252 wrote to memory of 5092 3252 c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe 96 PID 3252 wrote to memory of 5092 3252 c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe 96 PID 5092 wrote to memory of 4284 5092 csrss.exe 100 PID 5092 wrote to memory of 4284 5092 csrss.exe 100 PID 5092 wrote to memory of 4284 5092 csrss.exe 100 PID 5092 wrote to memory of 2720 5092 csrss.exe 106 PID 5092 wrote to memory of 2720 5092 csrss.exe 106 PID 5092 wrote to memory of 2720 5092 csrss.exe 106 PID 5092 wrote to memory of 568 5092 csrss.exe 108 PID 5092 wrote to memory of 568 5092 csrss.exe 108 PID 5092 wrote to memory of 568 5092 csrss.exe 108 PID 5092 wrote to memory of 4220 5092 csrss.exe 110 PID 5092 wrote to memory of 4220 5092 csrss.exe 110 PID 4968 wrote to memory of 1456 4968 windefender.exe 116 PID 4968 wrote to memory of 1456 4968 windefender.exe 116 PID 4968 wrote to memory of 1456 4968 windefender.exe 116 PID 1456 wrote to memory of 3960 1456 cmd.exe 117 PID 1456 wrote to memory of 3960 1456 cmd.exe 117 PID 1456 wrote to memory of 3960 1456 cmd.exe 117 -
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\c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe"C:\Users\Admin\AppData\Local\Temp\c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2344 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4808
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C:\Users\Admin\AppData\Local\Temp\c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.exe"C:\Users\Admin\AppData\Local\Temp\c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97.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:3252 -
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:5044
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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:952 -
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:2020
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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:2856
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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:4376
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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:5092 -
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:4284
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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:1760
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:476
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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:2720
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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:568
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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:4220
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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:2880
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4968 -
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:1456 -
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:3960
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3252 -s 8923⤵
- Program crash
PID:828
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3252 -ip 32521⤵PID:4624
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3968
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ad3be33ad7fb4fb996d41a550d166ed8
SHA19f1ca4096110ca61851c65d7cb40cab3ad9c2b02
SHA256e5e58c285b66da4a48e74777a00c2899ec2bf9577fa31c089b30259e060ed455
SHA5121fcb4bce9224119f25f34fbcadf9fa6e3548e8d9b3fa8e857a06464d89806e815b5a6ad4384f7cc614b487004f5a0b463da636cb955612bb41554e7853c99600
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a045e0ce1a621980f76781d2967a5d43
SHA196d1c7339919058992ccd52e12e02c4b0b605a0a
SHA25657fbcfb0c1da87b481aaff9f58987143cab6034e7651f71c5340396537823f07
SHA5121265b081fd7021be3e785cbdabcf5164b00fed2d159c357592324cb798796cb81c0ae1d98b0c11eff821c826c560ef278a91e1a7e8fecba4cb62898738aac2bd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD555b8da53883bd74dac29c667cfa92220
SHA16aae85329dc4e77d5cc5d6b00191946eda2193e1
SHA256f4c83f4821156d30551c0abdf2b0a7b46521d52ffc038bbeeb37397081bafd18
SHA512ec91e28d6c5aa3c9013c1fccff0403e25ce7b39dd40022b595e588dba58d801bfb7fee70613a17800c1087ba13bc05bf20fbb3fa860b231a799f309fb8d8444b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5261503cd47c3fea305a994d5b0e160cf
SHA14d343bab6d3f0e657379e3b81b60ebef243df327
SHA25671a9c2ff91b9a1c2a9d7ad6e2f9927b0361b0a81e9b097c9d7957c926307c9e0
SHA512d2e993b2ec811c5d83342d802ff090d889546bb1a5a765d56753d44d77c9c1899d7e7f23e6d6b6507434f28e00ccc56091c8638e627c7b2dc46744f612b75edc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50d8ac4542842c5847f1e650510023bd1
SHA1ab1c86d5e08e1c012683cb5c5588b836a3264c28
SHA256ee8f4cc30d1d2152d91a12cc7ab35dcd04b293d226ff16986bbe6e5e4fa915a0
SHA512e68c831406fe9be31fe2633b5d5e0cb13707fbcd9b74942918bd49f09131238883063d389d2d2ef535418f3d4341c14366c00af2a1c3da514ce023bf68b75774
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Filesize
4.2MB
MD5a7c99d11e0a3f11864ee6b71bf2f4b08
SHA1c50f1b9ddaa06a55e0d6abba687d77a482bb2408
SHA256c8f6bd4c685a93048672d92f9057d5d535ea2d3db45a3ef480fec3b70b0a3b97
SHA51284bfb379a80980fb909b59a4e3a24e922b6d93647f61c77794e5ab09e1d6fcd95f70abf0e9f804742146f3176413aae54267c9bdf52023ab4c548a234c9fea60
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec