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Analysis
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max time kernel
149s -
max time network
129s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
19/05/2024, 02:03
Static task
static1
Behavioral task
behavioral1
Sample
11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe
Resource
win10v2004-20240508-en
General
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Target
11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe
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Size
4.1MB
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MD5
810cd2c0d8c9e9c32c420bfcd2f0f49e
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SHA1
a7d2600a860b302cdbf90df5dffcc10da247edd0
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SHA256
11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8
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SHA512
a631a335801fcf1eb2642c857f9005beb2d4a72e01d63730aebf0aed32900338132b5c22710bf3ac889b47ef4278c2ca5f2a85500dda228f8ea497dd931b5581
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SSDEEP
98304:8rbgSYZm0VZ47d2LjXdY+WeqK35WW/TEhU3Gu22r:8rcnZFqd2LRPP3hYhQZr
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/376-2-0x00000000043C0000-0x0000000004CAB000-memory.dmp family_glupteba behavioral1/memory/376-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/376-103-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/376-128-0x00000000043C0000-0x0000000004CAB000-memory.dmp family_glupteba behavioral1/memory/3304-133-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/376-183-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4888-207-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/4888-221-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/4888-226-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/4888-229-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/4888-232-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/4888-235-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/4888-238-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/4888-241-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/4888-244-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/4888-247-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/4888-250-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/4888-253-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/4888-256-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1920 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4888 csrss.exe 1696 injector.exe 1172 windefender.exe 3276 windefender.exe -
resource yara_rule behavioral1/files/0x00090000000235fd-217.dat upx behavioral1/memory/1172-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3276-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1172-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3276-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3276-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\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 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe File created C:\Windows\rss\csrss.exe 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.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 2468 sc.exe -
pid Process 3756 powershell.exe 3936 powershell.exe 2132 powershell.exe 3708 powershell.exe 1656 powershell.exe 4596 powershell.exe 2596 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 4136 schtasks.exe 3036 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.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\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.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,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates 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\2a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.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,-1892 = "Russia TZ 3 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 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\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3708 powershell.exe 3708 powershell.exe 376 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 376 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 1656 powershell.exe 1656 powershell.exe 1656 powershell.exe 3304 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 3304 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 3304 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 3304 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 3304 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 3304 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 3304 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 3304 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 3304 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 3304 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 4596 powershell.exe 4596 powershell.exe 4596 powershell.exe 2596 powershell.exe 2596 powershell.exe 2596 powershell.exe 3756 powershell.exe 3756 powershell.exe 3756 powershell.exe 3936 powershell.exe 3936 powershell.exe 3936 powershell.exe 2132 powershell.exe 2132 powershell.exe 2132 powershell.exe 1696 injector.exe 1696 injector.exe 1696 injector.exe 1696 injector.exe 1696 injector.exe 1696 injector.exe 4888 csrss.exe 4888 csrss.exe 1696 injector.exe 1696 injector.exe 1696 injector.exe 1696 injector.exe 1696 injector.exe 1696 injector.exe 4888 csrss.exe 4888 csrss.exe 1696 injector.exe 1696 injector.exe 4888 csrss.exe 4888 csrss.exe 1696 injector.exe 1696 injector.exe 1696 injector.exe 1696 injector.exe 1696 injector.exe 1696 injector.exe 1696 injector.exe 1696 injector.exe 1696 injector.exe 1696 injector.exe 1696 injector.exe 1696 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3708 powershell.exe Token: SeDebugPrivilege 376 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe Token: SeImpersonatePrivilege 376 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe Token: SeDebugPrivilege 1656 powershell.exe Token: SeDebugPrivilege 4596 powershell.exe Token: SeDebugPrivilege 2596 powershell.exe Token: SeDebugPrivilege 3756 powershell.exe Token: SeDebugPrivilege 3936 powershell.exe Token: SeDebugPrivilege 2132 powershell.exe Token: SeSystemEnvironmentPrivilege 4888 csrss.exe Token: SeSecurityPrivilege 2468 sc.exe Token: SeSecurityPrivilege 2468 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 376 wrote to memory of 3708 376 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 91 PID 376 wrote to memory of 3708 376 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 91 PID 376 wrote to memory of 3708 376 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 91 PID 3304 wrote to memory of 1656 3304 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 105 PID 3304 wrote to memory of 1656 3304 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 105 PID 3304 wrote to memory of 1656 3304 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 105 PID 3304 wrote to memory of 3580 3304 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 108 PID 3304 wrote to memory of 3580 3304 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 108 PID 3580 wrote to memory of 1920 3580 cmd.exe 110 PID 3580 wrote to memory of 1920 3580 cmd.exe 110 PID 3304 wrote to memory of 4596 3304 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 111 PID 3304 wrote to memory of 4596 3304 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 111 PID 3304 wrote to memory of 4596 3304 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 111 PID 3304 wrote to memory of 2596 3304 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 114 PID 3304 wrote to memory of 2596 3304 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 114 PID 3304 wrote to memory of 2596 3304 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 114 PID 3304 wrote to memory of 4888 3304 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 116 PID 3304 wrote to memory of 4888 3304 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 116 PID 3304 wrote to memory of 4888 3304 11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe 116 PID 4888 wrote to memory of 3756 4888 csrss.exe 117 PID 4888 wrote to memory of 3756 4888 csrss.exe 117 PID 4888 wrote to memory of 3756 4888 csrss.exe 117 PID 4888 wrote to memory of 3936 4888 csrss.exe 122 PID 4888 wrote to memory of 3936 4888 csrss.exe 122 PID 4888 wrote to memory of 3936 4888 csrss.exe 122 PID 4888 wrote to memory of 2132 4888 csrss.exe 125 PID 4888 wrote to memory of 2132 4888 csrss.exe 125 PID 4888 wrote to memory of 2132 4888 csrss.exe 125 PID 4888 wrote to memory of 1696 4888 csrss.exe 127 PID 4888 wrote to memory of 1696 4888 csrss.exe 127 PID 1172 wrote to memory of 4268 1172 windefender.exe 134 PID 1172 wrote to memory of 4268 1172 windefender.exe 134 PID 1172 wrote to memory of 4268 1172 windefender.exe 134 PID 4268 wrote to memory of 2468 4268 cmd.exe 135 PID 4268 wrote to memory of 2468 4268 cmd.exe 135 PID 4268 wrote to memory of 2468 4268 cmd.exe 135 -
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\11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe"C:\Users\Admin\AppData\Local\Temp\11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:376 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3708
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C:\Users\Admin\AppData\Local\Temp\11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.exe"C:\Users\Admin\AppData\Local\Temp\11f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8.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:3304 -
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:1656
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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:3580 -
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:1920
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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:4596
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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:2596
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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:4888 -
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:3756
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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:4136
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4204
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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:3936
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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:2132
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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:1696
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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:3036
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1172 -
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:4268 -
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:2468
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4232,i,13879737908471496610,15335851594401413307,262144 --variations-seed-version --mojo-platform-channel-handle=4084 /prefetch:81⤵PID:4380
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3276
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD570bc4ae42fbe26a8219c382cd149849b
SHA1fb15ec7872b4c193288e6b35cf4a8f04d43e8b12
SHA256a8148bafe902b74be82a234a7d0568c23409d2ce08adb5ff4ef01003c5f8e51a
SHA512acd70f3719ac56404e735cba951b60359ccdf0cb9b37aaab3aabcba975125124d944da2a7a3ca57517f1e7c89074a8639b4acbbba2eab34110755c11c7adb4cb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dd1f66fd64802fca54aecae1321fd7c5
SHA1bc0d1c82d162cf422fe53c31d4e32d85f40cb5b8
SHA256a2463623304ccfa2e8377aa5f5c8463474f8a1fc5df669c3f3d878b0b998c8ec
SHA5126389bf10dccc0e7b31d2bd364c82e347139b33b3c26c1b3ce2ba6c837410d9989a6157e6a6c4e2b0dc41829697746e13ecf65eb16e588cc801ad4b3591ed853c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d9dbb110403c72b93c8cc3f336c77954
SHA1a2004f670a207e603393386b5fcb93215657db87
SHA2569c3bc05b49d22a147d0ea7ac098a21a58ec94b6632ee1186a7eca92c2ac67265
SHA5126c735cb96f71db5ade42a4e888125169f217b42c50dbf922e9960565e6ddc06320127a8ff9b5ad637b6e67dd4899618556c23a9b3a4dde9e2841a7d1b2cf20e6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5344163d5a612b75293d47a4723ab719b
SHA174e0d04152148b560ccef3bf52c00a5aa96aa5c7
SHA2567d7bcd36291f52d3613b5745b13e92bdd5a7b881206837df5132653b4c3e8d0b
SHA512956494354b7dabd41c4a244bd3c7e04af4c2a5c64b908f7fd8b57d4dcc9146df580416e618708e39316fd0dd784121fae0415dd94e1db34d72b476387b3277ce
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5daee417b899e791620d29b29439af985
SHA190a9e454f2c9bb34eef207675e298f6764496a78
SHA256ef819d930fd54abc97c9c08d114587a70d924b60117568469da06acac52a42ec
SHA5122b85ede5895166eccc0a5e3f804f25f332aaf2c5f308d48c066e5b90a2583aacc81868f515cd5013a752530794747ec7722691868bafdd5666845b2035be8951
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Filesize
4.1MB
MD5810cd2c0d8c9e9c32c420bfcd2f0f49e
SHA1a7d2600a860b302cdbf90df5dffcc10da247edd0
SHA25611f7b2c21ead492292b2b5bce206526656f3e454f04b149df61bd054119188a8
SHA512a631a335801fcf1eb2642c857f9005beb2d4a72e01d63730aebf0aed32900338132b5c22710bf3ac889b47ef4278c2ca5f2a85500dda228f8ea497dd931b5581
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec