Analysis
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max time kernel
150s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
15-05-2024 18:07
Static task
static1
Behavioral task
behavioral1
Sample
c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe
Resource
win10v2004-20240426-en
General
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Target
c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe
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Size
4.1MB
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MD5
705fcc3d735a1f32bb12f0abf203dcca
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SHA1
895c21f60ddf6d74103ab4c15f9d8358ea214f2e
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SHA256
c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de
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SHA512
33e31394e7fa694388d8b726671c5e12240e24001d0b165b116b2b5375531034eaecdc1681da833a00885ca0977a94e2500db12209af0f2a188fa2ff680a5290
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SSDEEP
98304:YoKALZtLSnhBaG13jSGzI9y04m/Xf7c/d7YDSGfJg5NEka2Q+gg:YC1IraEjIw04m/Xfo4a5yka2Q+gg
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral2/memory/3152-2-0x0000000004D50000-0x000000000563B000-memory.dmp family_glupteba behavioral2/memory/3152-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3152-12-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/3152-54-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3152-55-0x0000000004D50000-0x000000000563B000-memory.dmp family_glupteba behavioral2/memory/3152-52-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/328-122-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/328-129-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2124-180-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2124-209-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2124-219-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2124-222-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2124-225-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2124-228-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2124-231-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2124-234-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2124-237-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4972 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2124 csrss.exe 3024 injector.exe 684 windefender.exe 3000 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa20-212.dat upx behavioral2/memory/684-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/684-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3000-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3000-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3000-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe File created C:\Windows\rss\csrss.exe c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.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 1504 sc.exe -
pid Process 1664 powershell.exe 940 powershell.exe 2108 powershell.exe 4904 powershell.exe 2888 powershell.exe 680 powershell.exe 3884 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 1460 schtasks.exe 2620 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,-831 = "SA Eastern Daylight Time" c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.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,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.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\@tzres.dll,-502 = "Nepal 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 Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2108 powershell.exe 2108 powershell.exe 3152 c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe 3152 c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe 4904 powershell.exe 4904 powershell.exe 328 c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe 328 c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe 328 c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe 328 c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe 328 c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe 328 c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe 328 c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe 328 c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe 328 c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe 328 c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe 2888 powershell.exe 2888 powershell.exe 680 powershell.exe 680 powershell.exe 3884 powershell.exe 3884 powershell.exe 1664 powershell.exe 1664 powershell.exe 940 powershell.exe 940 powershell.exe 3024 injector.exe 3024 injector.exe 3024 injector.exe 3024 injector.exe 3024 injector.exe 3024 injector.exe 2124 csrss.exe 2124 csrss.exe 3024 injector.exe 3024 injector.exe 3024 injector.exe 3024 injector.exe 3024 injector.exe 3024 injector.exe 2124 csrss.exe 2124 csrss.exe 3024 injector.exe 3024 injector.exe 2124 csrss.exe 2124 csrss.exe 3024 injector.exe 3024 injector.exe 3024 injector.exe 3024 injector.exe 3024 injector.exe 3024 injector.exe 3024 injector.exe 3024 injector.exe 3024 injector.exe 3024 injector.exe 3024 injector.exe 3024 injector.exe 3024 injector.exe 3024 injector.exe 3024 injector.exe 3024 injector.exe 3024 injector.exe 3024 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2108 powershell.exe Token: SeDebugPrivilege 3152 c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe Token: SeImpersonatePrivilege 3152 c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe Token: SeDebugPrivilege 4904 powershell.exe Token: SeDebugPrivilege 2888 powershell.exe Token: SeDebugPrivilege 680 powershell.exe Token: SeDebugPrivilege 3884 powershell.exe Token: SeDebugPrivilege 1664 powershell.exe Token: SeDebugPrivilege 940 powershell.exe Token: SeSystemEnvironmentPrivilege 2124 csrss.exe Token: SeSecurityPrivilege 1504 sc.exe Token: SeSecurityPrivilege 1504 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3152 wrote to memory of 2108 3152 c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe 83 PID 3152 wrote to memory of 2108 3152 c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe 83 PID 3152 wrote to memory of 2108 3152 c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe 83 PID 328 wrote to memory of 4904 328 c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe 88 PID 328 wrote to memory of 4904 328 c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe 88 PID 328 wrote to memory of 4904 328 c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe 88 PID 328 wrote to memory of 1160 328 c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe 90 PID 328 wrote to memory of 1160 328 c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe 90 PID 1160 wrote to memory of 4972 1160 cmd.exe 92 PID 1160 wrote to memory of 4972 1160 cmd.exe 92 PID 328 wrote to memory of 2888 328 c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe 93 PID 328 wrote to memory of 2888 328 c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe 93 PID 328 wrote to memory of 2888 328 c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe 93 PID 328 wrote to memory of 680 328 c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe 95 PID 328 wrote to memory of 680 328 c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe 95 PID 328 wrote to memory of 680 328 c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe 95 PID 328 wrote to memory of 2124 328 c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe 97 PID 328 wrote to memory of 2124 328 c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe 97 PID 328 wrote to memory of 2124 328 c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe 97 PID 2124 wrote to memory of 3884 2124 csrss.exe 98 PID 2124 wrote to memory of 3884 2124 csrss.exe 98 PID 2124 wrote to memory of 3884 2124 csrss.exe 98 PID 2124 wrote to memory of 1664 2124 csrss.exe 104 PID 2124 wrote to memory of 1664 2124 csrss.exe 104 PID 2124 wrote to memory of 1664 2124 csrss.exe 104 PID 2124 wrote to memory of 940 2124 csrss.exe 106 PID 2124 wrote to memory of 940 2124 csrss.exe 106 PID 2124 wrote to memory of 940 2124 csrss.exe 106 PID 2124 wrote to memory of 3024 2124 csrss.exe 108 PID 2124 wrote to memory of 3024 2124 csrss.exe 108 PID 684 wrote to memory of 2720 684 windefender.exe 114 PID 684 wrote to memory of 2720 684 windefender.exe 114 PID 684 wrote to memory of 2720 684 windefender.exe 114 PID 2720 wrote to memory of 1504 2720 cmd.exe 115 PID 2720 wrote to memory of 1504 2720 cmd.exe 115 PID 2720 wrote to memory of 1504 2720 cmd.exe 115 -
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\c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe"C:\Users\Admin\AppData\Local\Temp\c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3152 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2108
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C:\Users\Admin\AppData\Local\Temp\c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.exe"C:\Users\Admin\AppData\Local\Temp\c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de.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:328 -
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:4904
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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:1160 -
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:4972
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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:2888
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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:680
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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:2124 -
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:3884
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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:1460
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4624
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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:1664
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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:940
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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:3024
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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:2620
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:684 -
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:2720 -
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:1504
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3000
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD524977d2f5207a1f1ff50534cbebcfdd9
SHA11431b69f39e6f339f5200d26015b5b612741b759
SHA2564d3739afcd16dd4c99c225137e9ff23eec48f00075c725db3aa3cdd564f9ccc4
SHA512c5811036d06cf03499905cb7b1edd73b4741fad4b4f866165b22310334c6efb0fa1c598421495e638328811c6f6f5ecdd6ffad51f6af26064b8bb6999ccb0d38
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5965f3a54b9568f4625f9e729756294e0
SHA1eb08e60fc9ebdac80ea2ffd94131d7cf1bad396f
SHA2567ba0f802c67db52930c145892704ba62f3c20f87ad959505c61a75bcc77b013a
SHA512d499ccaee5477349aa4aee72803f69786062bdaadb7ed0a9a6f7d0d05385d4d409c77962ea6077760f4c6aaa2b4da7e752d713600c5d1cabc40135f22b652249
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c7eeaf7f435eb1d2cc653d2a9396344b
SHA156dc33ee9f12a8b1941cf60659cb2d220a20d11c
SHA25695f42aa3ad4417c3820d2d98a2a4cd4876e1e331ff9873d07679584c5b71f4b4
SHA512949fd43f710956b70769339ffc17b0824f965a43863d86f94eb4756a274ce087dc69c43f08d9cc03aaf2ff2cc4fba8296a52bc672f1b4933ea1a7ba22e9b114b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5347f52dc58720bfe458d47c01afd9d58
SHA14bbf543d357c0f07625b05b660ae3400721fd0e5
SHA256e2ff7e44b7fd512e4ad4328b05eefd2eb3c0f4976a5bca63521029b80adefea7
SHA512bf7a089322036b545c35bff32a57d4ccc7306958548122b4bd42cbf321e848b8184a92ba2beb499e40de62361d798d4b1be8f6116b58d3cdb02dad5aae0b3600
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51cb60cd5182800bdca392af8de2647ef
SHA123f0cb85ffdccb8d6e8491fb285ffbc190605ece
SHA2564abcabcce16e20d2760b48836487067d71fae7a0f59f7e4decd36de9bbc46235
SHA512d0bb6ac95a9d9eade9530308ee8cf49993d0f6b475040cd18ca18c0156bca95c1f8b721cbf8c82046a912af0212a82533af53a9814d92df56ae798307e0110d4
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Filesize
4.1MB
MD5705fcc3d735a1f32bb12f0abf203dcca
SHA1895c21f60ddf6d74103ab4c15f9d8358ea214f2e
SHA256c0433272f242b18d9c310f5083db58176d4908c3de637142210426409bcbc7de
SHA51233e31394e7fa694388d8b726671c5e12240e24001d0b165b116b2b5375531034eaecdc1681da833a00885ca0977a94e2500db12209af0f2a188fa2ff680a5290
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec