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Analysis
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max time kernel
150s -
max time network
162s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
19/05/2024, 01:46
Static task
static1
Behavioral task
behavioral1
Sample
c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe
Resource
win10v2004-20240508-en
General
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Target
c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe
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Size
4.1MB
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MD5
5596ce92b5b7512c4e67adc4b283cbe1
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SHA1
93013cc30e72a9c0052b0e69dcad323d1ce3706a
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SHA256
c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b
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SHA512
d5a966ec48baee74ce6eaa827e36981883b3f2de14793027d2f723967a45b95a98c2558d2d33082d8d3f7e0c9cd60c040b91f446e7875f339fc9ca085515e53a
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SSDEEP
98304:CQGLdTw13YmTlGi/xMFRAVNS6wnhY59m5e0z8345y:CLpT0YNaxn5wu5s59Yr
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/3020-2-0x0000000004A30000-0x000000000531B000-memory.dmp family_glupteba behavioral2/memory/3020-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3020-98-0x0000000004A30000-0x000000000531B000-memory.dmp family_glupteba behavioral2/memory/3020-96-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/2092-124-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/3020-146-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2468-200-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/2468-211-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/2468-213-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/2468-216-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/2468-219-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/2468-223-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/2468-225-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/2468-228-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/2468-231-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/2468-235-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/2468-237-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/2468-240-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/2468-243-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3596 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2468 csrss.exe 2688 injector.exe 3728 windefender.exe 2164 windefender.exe -
resource yara_rule behavioral2/files/0x000500000002aa24-204.dat upx behavioral2/memory/3728-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2164-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3728-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2164-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2164-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\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\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 File created 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 c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe File created C:\Windows\rss\csrss.exe c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.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 2956 sc.exe -
pid Process 3728 powershell.exe 3524 powershell.exe 3404 powershell.exe 1892 powershell.exe 4948 powershell.exe 540 powershell.exe 4604 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 1172 schtasks.exe 4740 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,-2631 = "Norfolk Daylight Time" c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\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\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight 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\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.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,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-792 = "SA Western 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\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 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\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1662 = "Bahia 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\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.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,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\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,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 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\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 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\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\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,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 540 powershell.exe 540 powershell.exe 3020 c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe 3020 c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe 4604 powershell.exe 4604 powershell.exe 2092 c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe 2092 c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe 2092 c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe 2092 c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe 2092 c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe 2092 c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe 2092 c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe 2092 c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe 2092 c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe 2092 c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe 3728 powershell.exe 3728 powershell.exe 3524 powershell.exe 3524 powershell.exe 3404 powershell.exe 3404 powershell.exe 1892 powershell.exe 1892 powershell.exe 4948 powershell.exe 4948 powershell.exe 2688 injector.exe 2688 injector.exe 2688 injector.exe 2688 injector.exe 2688 injector.exe 2688 injector.exe 2468 csrss.exe 2468 csrss.exe 2688 injector.exe 2688 injector.exe 2688 injector.exe 2688 injector.exe 2688 injector.exe 2688 injector.exe 2468 csrss.exe 2468 csrss.exe 2688 injector.exe 2688 injector.exe 2468 csrss.exe 2468 csrss.exe 2688 injector.exe 2688 injector.exe 2688 injector.exe 2688 injector.exe 2688 injector.exe 2688 injector.exe 2688 injector.exe 2688 injector.exe 2688 injector.exe 2688 injector.exe 2688 injector.exe 2688 injector.exe 2688 injector.exe 2688 injector.exe 2688 injector.exe 2688 injector.exe 2688 injector.exe 2688 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 540 powershell.exe Token: SeDebugPrivilege 3020 c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe Token: SeImpersonatePrivilege 3020 c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe Token: SeDebugPrivilege 4604 powershell.exe Token: SeDebugPrivilege 3728 powershell.exe Token: SeDebugPrivilege 3524 powershell.exe Token: SeDebugPrivilege 3404 powershell.exe Token: SeDebugPrivilege 1892 powershell.exe Token: SeDebugPrivilege 4948 powershell.exe Token: SeSystemEnvironmentPrivilege 2468 csrss.exe Token: SeSecurityPrivilege 2956 sc.exe Token: SeSecurityPrivilege 2956 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3020 wrote to memory of 540 3020 c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe 81 PID 3020 wrote to memory of 540 3020 c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe 81 PID 3020 wrote to memory of 540 3020 c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe 81 PID 2092 wrote to memory of 4604 2092 c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe 87 PID 2092 wrote to memory of 4604 2092 c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe 87 PID 2092 wrote to memory of 4604 2092 c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe 87 PID 2092 wrote to memory of 1760 2092 c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe 89 PID 2092 wrote to memory of 1760 2092 c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe 89 PID 1760 wrote to memory of 3596 1760 cmd.exe 91 PID 1760 wrote to memory of 3596 1760 cmd.exe 91 PID 2092 wrote to memory of 3728 2092 c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe 93 PID 2092 wrote to memory of 3728 2092 c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe 93 PID 2092 wrote to memory of 3728 2092 c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe 93 PID 2092 wrote to memory of 3524 2092 c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe 96 PID 2092 wrote to memory of 3524 2092 c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe 96 PID 2092 wrote to memory of 3524 2092 c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe 96 PID 2092 wrote to memory of 2468 2092 c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe 98 PID 2092 wrote to memory of 2468 2092 c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe 98 PID 2092 wrote to memory of 2468 2092 c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe 98 PID 2468 wrote to memory of 3404 2468 csrss.exe 99 PID 2468 wrote to memory of 3404 2468 csrss.exe 99 PID 2468 wrote to memory of 3404 2468 csrss.exe 99 PID 2468 wrote to memory of 1892 2468 csrss.exe 105 PID 2468 wrote to memory of 1892 2468 csrss.exe 105 PID 2468 wrote to memory of 1892 2468 csrss.exe 105 PID 2468 wrote to memory of 4948 2468 csrss.exe 107 PID 2468 wrote to memory of 4948 2468 csrss.exe 107 PID 2468 wrote to memory of 4948 2468 csrss.exe 107 PID 2468 wrote to memory of 2688 2468 csrss.exe 109 PID 2468 wrote to memory of 2688 2468 csrss.exe 109 PID 3728 wrote to memory of 3908 3728 windefender.exe 115 PID 3728 wrote to memory of 3908 3728 windefender.exe 115 PID 3728 wrote to memory of 3908 3728 windefender.exe 115 PID 3908 wrote to memory of 2956 3908 cmd.exe 116 PID 3908 wrote to memory of 2956 3908 cmd.exe 116 PID 3908 wrote to memory of 2956 3908 cmd.exe 116 -
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\c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe"C:\Users\Admin\AppData\Local\Temp\c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3020 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:540
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C:\Users\Admin\AppData\Local\Temp\c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.exe"C:\Users\Admin\AppData\Local\Temp\c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b.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:2092 -
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:4604
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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:1760 -
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:3596
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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:3728
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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:3524
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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:2468 -
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:3404
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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:1172
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2200
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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:1892
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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:4948
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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:2688
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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:4740
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3728 -
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:3908 -
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:2956
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2164
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
MD5bb4664952480c2e0bbc8d9b9f055629e
SHA19ed2002ac05ade639d0b8b3b314c9df266c8ac23
SHA2566c0b6cabdaf92982fa12036ea4f145a81a4772bb1ce06de4601597d698eafa20
SHA5122012da5f9c1162b07ca596a4afcde66ca0cccb86995c09942374c4176c7ce11a2cfa3bb434d8a29349a309cfa20cefb4a42a08092748250e48c18effb4972783
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56370203556d77656e3bf4682b530c261
SHA14036d347fffd6d8b57ac56b11374dbe154fe54af
SHA256927c3cec987e5bb4d3998326af431a5b3e091aecfb57781e8b738d7f8a84fec3
SHA51295a69bb0b16590b7ca5eb656f6f5e1241b80b622e9823cd726db73409d4aae7a125e684e893a7955406137e99d0c43df0d34e80e5c03a147c7886f2d723509b3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5350210f488d65d9326049a43d3ce1787
SHA1b2ff695eaa270ee3c148501ab0cd3590b3afe073
SHA256191f3dd4cf5bd5482ab29a7fb617916c54f67094805739805e068a33d5cbce8f
SHA512f702a41b6a8a924317e8ed3339747fce17b77aa63a09ce6f0259fa49126bae3cbe78f8afeab96baa03e892ced34d387a32adac075ab82bf219a3c8331a257a62
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD592712fbb4b5fdacca257a76245a772e1
SHA1bcaf095ee5e8e1a90c0f7a3e6508c0a00a94604f
SHA25636844742502c87b37459833398acc4c48be13ee6e02252f755e670c99277bca7
SHA512d2e2027cd9226d1f1b422b210cffac0ead12a83e8ea944c0ac569cb0939f3a123b62d0f306c192816f6edb4461de4eae9648d1c28a82586096ee3cc79f9cff20
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ff9e0881983024fa2a69b88020ff19bb
SHA174cdf4a71597b0f3cc6ee40fe8b6ceae68720e5c
SHA256e898694cc17b5e0f23f776956a8536f111082ebd64d3ff0e60a2940ab3152218
SHA512761a6df3527f87ec4f952614c5d5e3048c46e222567ca6f75c2dca0f13ae8e783c33b1957f21be7d1c5fefac7094945e39a5833a5239643d2e797b820d2c768e
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Filesize
4.1MB
MD55596ce92b5b7512c4e67adc4b283cbe1
SHA193013cc30e72a9c0052b0e69dcad323d1ce3706a
SHA256c229ceb8141a9c4882c0fb113eb18e4e8518d5a327c904b463d60b6aaf3a345b
SHA512d5a966ec48baee74ce6eaa827e36981883b3f2de14793027d2f723967a45b95a98c2558d2d33082d8d3f7e0c9cd60c040b91f446e7875f339fc9ca085515e53a
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec