Analysis
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max time kernel
150s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 17:08
Static task
static1
Behavioral task
behavioral1
Sample
1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe
Resource
win7-20240508-en
General
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Target
1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe
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Size
4.1MB
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MD5
33d33620abc162ce5a2d5ce7cbe6b08e
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SHA1
f11900837370b84aceaeb4ac9b9abe87e63bab58
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SHA256
1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9
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SHA512
2833ad91083a09e5522ffdd55fb8f268b5ef78bf7c637353ae627fd189b754636932c9cab80cc4be0381bcc46ee3c08a55e17a6fde16ebd0bf60a06f589df1df
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SSDEEP
98304:ExfL9oyIkrku4AJMBJNRxIbk0RddEjk9Pc8cg301s2mGv/:yRrVrv4XbNRWhj2o9k8f3CspGv/
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/1940-2-0x0000000004B80000-0x000000000546B000-memory.dmp family_glupteba behavioral2/memory/1940-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1940-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1940-57-0x0000000004B80000-0x000000000546B000-memory.dmp family_glupteba behavioral2/memory/1940-54-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2332-134-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4416-213-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4416-228-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4416-229-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4416-231-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4416-233-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4416-236-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4416-238-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4416-239-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4416-241-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4416-244-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4416-246-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4416-247-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4416-249-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3192 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4416 csrss.exe 4208 injector.exe 4224 windefender.exe 3012 windefender.exe -
resource yara_rule behavioral2/files/0x0009000000023409-221.dat upx behavioral2/memory/4224-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3012-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4224-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3012-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3012-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\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 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.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 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe File created C:\Windows\rss\csrss.exe 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2728 sc.exe -
pid Process 4724 powershell.exe 2804 powershell.exe 3300 powershell.exe 1208 powershell.exe 2592 powershell.exe 2444 powershell.exe 4700 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 2624 schtasks.exe 4536 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\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.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\2a\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.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,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.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,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates 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,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2342 = "Haiti Standard 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" 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.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,-131 = "US Eastern Daylight Time" 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.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,-1662 = "Bahia Standard Time" 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.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\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2592 powershell.exe 2592 powershell.exe 1940 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe 1940 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe 2444 powershell.exe 2444 powershell.exe 2332 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe 2332 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe 2332 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe 2332 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe 2332 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe 2332 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe 2332 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe 2332 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe 2332 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe 2332 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe 4700 powershell.exe 4700 powershell.exe 4724 powershell.exe 4724 powershell.exe 2804 powershell.exe 2804 powershell.exe 3300 powershell.exe 3300 powershell.exe 1208 powershell.exe 1208 powershell.exe 4208 injector.exe 4208 injector.exe 4208 injector.exe 4208 injector.exe 4208 injector.exe 4208 injector.exe 4416 csrss.exe 4416 csrss.exe 4208 injector.exe 4208 injector.exe 4208 injector.exe 4208 injector.exe 4208 injector.exe 4208 injector.exe 4416 csrss.exe 4416 csrss.exe 4208 injector.exe 4208 injector.exe 4416 csrss.exe 4416 csrss.exe 4208 injector.exe 4208 injector.exe 4208 injector.exe 4208 injector.exe 4208 injector.exe 4208 injector.exe 4208 injector.exe 4208 injector.exe 4208 injector.exe 4208 injector.exe 4208 injector.exe 4208 injector.exe 4208 injector.exe 4208 injector.exe 4208 injector.exe 4208 injector.exe 4208 injector.exe 4208 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2592 powershell.exe Token: SeDebugPrivilege 1940 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe Token: SeImpersonatePrivilege 1940 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe Token: SeDebugPrivilege 2444 powershell.exe Token: SeDebugPrivilege 4700 powershell.exe Token: SeDebugPrivilege 4724 powershell.exe Token: SeDebugPrivilege 2804 powershell.exe Token: SeDebugPrivilege 3300 powershell.exe Token: SeDebugPrivilege 1208 powershell.exe Token: SeSystemEnvironmentPrivilege 4416 csrss.exe Token: SeSecurityPrivilege 2728 sc.exe Token: SeSecurityPrivilege 2728 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1940 wrote to memory of 2592 1940 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe 86 PID 1940 wrote to memory of 2592 1940 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe 86 PID 1940 wrote to memory of 2592 1940 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe 86 PID 2332 wrote to memory of 2444 2332 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe 97 PID 2332 wrote to memory of 2444 2332 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe 97 PID 2332 wrote to memory of 2444 2332 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe 97 PID 2332 wrote to memory of 4484 2332 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe 100 PID 2332 wrote to memory of 4484 2332 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe 100 PID 4484 wrote to memory of 3192 4484 cmd.exe 102 PID 4484 wrote to memory of 3192 4484 cmd.exe 102 PID 2332 wrote to memory of 4700 2332 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe 103 PID 2332 wrote to memory of 4700 2332 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe 103 PID 2332 wrote to memory of 4700 2332 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe 103 PID 2332 wrote to memory of 4724 2332 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe 106 PID 2332 wrote to memory of 4724 2332 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe 106 PID 2332 wrote to memory of 4724 2332 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe 106 PID 2332 wrote to memory of 4416 2332 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe 108 PID 2332 wrote to memory of 4416 2332 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe 108 PID 2332 wrote to memory of 4416 2332 1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe 108 PID 4416 wrote to memory of 2804 4416 csrss.exe 109 PID 4416 wrote to memory of 2804 4416 csrss.exe 109 PID 4416 wrote to memory of 2804 4416 csrss.exe 109 PID 4416 wrote to memory of 3300 4416 csrss.exe 115 PID 4416 wrote to memory of 3300 4416 csrss.exe 115 PID 4416 wrote to memory of 3300 4416 csrss.exe 115 PID 4416 wrote to memory of 1208 4416 csrss.exe 117 PID 4416 wrote to memory of 1208 4416 csrss.exe 117 PID 4416 wrote to memory of 1208 4416 csrss.exe 117 PID 4416 wrote to memory of 4208 4416 csrss.exe 119 PID 4416 wrote to memory of 4208 4416 csrss.exe 119 PID 4224 wrote to memory of 2984 4224 windefender.exe 126 PID 4224 wrote to memory of 2984 4224 windefender.exe 126 PID 4224 wrote to memory of 2984 4224 windefender.exe 126 PID 2984 wrote to memory of 2728 2984 cmd.exe 127 PID 2984 wrote to memory of 2728 2984 cmd.exe 127 PID 2984 wrote to memory of 2728 2984 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\1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe"C:\Users\Admin\AppData\Local\Temp\1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1940 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2592
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C:\Users\Admin\AppData\Local\Temp\1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.exe"C:\Users\Admin\AppData\Local\Temp\1ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9.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:2332 -
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:2444
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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:4484 -
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:3192
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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:4700
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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:4724
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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:4416 -
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:2804
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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:2624
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1952
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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:3300
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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:1208
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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:4208
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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:4536
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4224 -
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:2984 -
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:2728
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3012
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
MD54b199bed7b3cad34150ebeea192d8c81
SHA19941d5cf58ee9262fff8bec7bb6b20671a41fff2
SHA25603813548d173f3d1768e494f53d08da23d9522fd918f4b66135b48c52c716c27
SHA51253d1eba5e3ed65786ab96d8a7eeb0df33b32f7c94a374360d9ca8ba124ba396e2ce59dcb89f821ebbf266c59be3414a278fd387cc573ab2ad2d5dd8f6894bca8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58eaf66885189f93a48926a3209b59f68
SHA162317744f12316200e03919261b3b20556fb647e
SHA2563c966f592e53d10b60700e47c7d2607cefee6486d4d82d313d81e708aaaeb196
SHA512c490cc0d2a9077c063eb4c14ff6f727c1b303d3fb8b5f4be86a8c0892d6ada387e002e8d5a910ace40604f831ff72e66b9266d87dea11c60fdc316b6e246a498
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ef826f88376689abf31994aa61168cd4
SHA18593c57d5e729af72498b0a32f33a733e7b22f01
SHA2565cf46bdccb104e7c021c9caa6fa9991de909fe846cbb5c8f6026138afc91b107
SHA512d1e8375ffb20d8955e7f33ba32b5ac2c1ee12ac433334104a1695a30d5de553e59322cec49979f38d625ceebdb52f22d23d4ef3bdf9beb147ec4e85960f0cc7f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5064b211e14f8f97cd0141799a75df4bc
SHA127d2714a3e224ad76ef8adaeb9cf6d176c4d7068
SHA256c39713bf82edafd12f3d62085ecd934c8644d3c1880d20304bc2d8b0ad4da20f
SHA512872dd561c774535e9844ade939e26044629c7dd5c357020b07fff42c1d5840cbc98b86e32fa88810e23a7b2194cc86081e488baeb9874a148f28c8d32851046b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5aa130b8c493d7f3abf601cf654785056
SHA13e6eaead0e8b1faf3d5210849774bc9af362fc05
SHA256e0ecb4ed7e1d88224e0ed3cf5c5c0247aca206d2cb7d2888cafdf9695b0cdcb9
SHA512582e91311f6d78821b6ae0e5264c1ff82987e3ff8ca7d7649cfd61a5066c7facbb57a189331ca137f6af7e902c0fe84be487a45ce6e527ed21c8d88da579145e
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Filesize
4.1MB
MD533d33620abc162ce5a2d5ce7cbe6b08e
SHA1f11900837370b84aceaeb4ac9b9abe87e63bab58
SHA2561ead2001a571e98060c17cbd26a5ddbb11335f3334991e2c965f613791880ab9
SHA5122833ad91083a09e5522ffdd55fb8f268b5ef78bf7c637353ae627fd189b754636932c9cab80cc4be0381bcc46ee3c08a55e17a6fde16ebd0bf60a06f589df1df
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec