Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
03/10/2023, 19:30
Static task
static1
General
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Target
9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe
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Size
4.2MB
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MD5
2251295b6f35bc37b8ce03399bb9950a
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SHA1
0c03f592e448a4e6348ae1eae16f508eac93a8e5
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SHA256
9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f
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SHA512
7d04f5fbc21f30d79a4dc3a84b8ddb8db2ab535e1d3d4dd2c8e6bf35c78efdcff53e2512def3f55254b268aebfb034d2fb189d5e48f17b149f339dfe56dd2c6f
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SSDEEP
98304:jUz34gHK7L+1pSUFiDEw1wHudwMFKo10eGOWTguq125RLB:Q4KJpjMx1wHudZFf7MqY5r
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/3368-2-0x00000000048A0000-0x000000000518B000-memory.dmp family_glupteba behavioral1/memory/3368-3-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral1/memory/3368-25-0x00000000048A0000-0x000000000518B000-memory.dmp family_glupteba behavioral1/memory/3368-28-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral1/memory/3368-30-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral1/memory/3368-62-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral1/memory/2356-63-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral1/memory/2356-94-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral1/memory/2356-140-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral1/memory/2356-159-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral1/memory/3460-253-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral1/memory/3460-259-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral1/memory/3460-260-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral1/memory/3460-268-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral1/memory/3460-270-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral1/memory/3460-272-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral1/memory/3460-274-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral1/memory/3460-276-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral1/memory/3460-278-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral1/memory/3460-280-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 4032 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3460 csrss.exe 764 injector.exe 2272 windefender.exe 4104 windefender.exe -
resource yara_rule behavioral1/files/0x000900000002310d-263.dat upx behavioral1/files/0x000900000002310d-264.dat upx behavioral1/files/0x000900000002310d-266.dat upx behavioral1/memory/2272-267-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4104-269-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4104-273-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\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 9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe File created C:\Windows\rss\csrss.exe 9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.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 4524 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3140 3368 WerFault.exe 86 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4572 schtasks.exe 5112 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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\1e\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates 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\1e\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.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\1e\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" 9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.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\1e\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1132 powershell.exe 1132 powershell.exe 3368 9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe 3368 9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe 3892 powershell.exe 3892 powershell.exe 2356 9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe 2356 9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe 2356 9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe 2356 9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe 2356 9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe 2356 9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe 2356 9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe 2356 9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe 2356 9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe 2356 9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe 4452 powershell.exe 4452 powershell.exe 432 powershell.exe 432 powershell.exe 1316 powershell.exe 1316 powershell.exe 4596 powershell.exe 4596 powershell.exe 2216 powershell.exe 2216 powershell.exe 764 injector.exe 764 injector.exe 764 injector.exe 764 injector.exe 764 injector.exe 764 injector.exe 3460 csrss.exe 3460 csrss.exe 764 injector.exe 764 injector.exe 764 injector.exe 764 injector.exe 764 injector.exe 764 injector.exe 3460 csrss.exe 3460 csrss.exe 764 injector.exe 764 injector.exe 764 injector.exe 764 injector.exe 764 injector.exe 764 injector.exe 764 injector.exe 764 injector.exe 764 injector.exe 764 injector.exe 764 injector.exe 764 injector.exe 764 injector.exe 764 injector.exe 764 injector.exe 764 injector.exe 764 injector.exe 764 injector.exe 764 injector.exe 764 injector.exe 764 injector.exe 764 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1132 powershell.exe Token: SeDebugPrivilege 3368 9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe Token: SeImpersonatePrivilege 3368 9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe Token: SeDebugPrivilege 3892 powershell.exe Token: SeDebugPrivilege 4452 powershell.exe Token: SeDebugPrivilege 432 powershell.exe Token: SeDebugPrivilege 1316 powershell.exe Token: SeDebugPrivilege 4596 powershell.exe Token: SeDebugPrivilege 2216 powershell.exe Token: SeSystemEnvironmentPrivilege 3460 csrss.exe Token: SeSecurityPrivilege 4524 sc.exe Token: SeSecurityPrivilege 4524 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3368 wrote to memory of 1132 3368 9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe 88 PID 3368 wrote to memory of 1132 3368 9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe 88 PID 3368 wrote to memory of 1132 3368 9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe 88 PID 2356 wrote to memory of 3892 2356 9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe 100 PID 2356 wrote to memory of 3892 2356 9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe 100 PID 2356 wrote to memory of 3892 2356 9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe 100 PID 2356 wrote to memory of 628 2356 9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe 103 PID 2356 wrote to memory of 628 2356 9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe 103 PID 628 wrote to memory of 4032 628 cmd.exe 105 PID 628 wrote to memory of 4032 628 cmd.exe 105 PID 2356 wrote to memory of 4452 2356 9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe 106 PID 2356 wrote to memory of 4452 2356 9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe 106 PID 2356 wrote to memory of 4452 2356 9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe 106 PID 2356 wrote to memory of 432 2356 9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe 110 PID 2356 wrote to memory of 432 2356 9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe 110 PID 2356 wrote to memory of 432 2356 9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe 110 PID 2356 wrote to memory of 3460 2356 9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe 111 PID 2356 wrote to memory of 3460 2356 9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe 111 PID 2356 wrote to memory of 3460 2356 9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe 111 PID 3460 wrote to memory of 1316 3460 csrss.exe 112 PID 3460 wrote to memory of 1316 3460 csrss.exe 112 PID 3460 wrote to memory of 1316 3460 csrss.exe 112 PID 3460 wrote to memory of 4596 3460 csrss.exe 118 PID 3460 wrote to memory of 4596 3460 csrss.exe 118 PID 3460 wrote to memory of 4596 3460 csrss.exe 118 PID 3460 wrote to memory of 2216 3460 csrss.exe 120 PID 3460 wrote to memory of 2216 3460 csrss.exe 120 PID 3460 wrote to memory of 2216 3460 csrss.exe 120 PID 3460 wrote to memory of 764 3460 csrss.exe 123 PID 3460 wrote to memory of 764 3460 csrss.exe 123 PID 2272 wrote to memory of 1288 2272 windefender.exe 134 PID 2272 wrote to memory of 1288 2272 windefender.exe 134 PID 2272 wrote to memory of 1288 2272 windefender.exe 134 PID 1288 wrote to memory of 4524 1288 cmd.exe 135 PID 1288 wrote to memory of 4524 1288 cmd.exe 135 PID 1288 wrote to memory of 4524 1288 cmd.exe 135 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe"C:\Users\Admin\AppData\Local\Temp\9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3368 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1132
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C:\Users\Admin\AppData\Local\Temp\9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.exe"C:\Users\Admin\AppData\Local\Temp\9e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f.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:2356 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3892
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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:628 -
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:4032
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4452
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:432
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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:3460 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1316
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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:4572
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:388
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4596
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2216
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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:764
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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:5112
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2272 -
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:1288 -
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:4524
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3368 -s 8082⤵
- Program crash
PID:3140
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 3368 -ip 33681⤵PID:4176
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4104
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
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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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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54b333a40f4f044e4d915d6d72c355720
SHA1b83ec3caebe89c0c1804683cd589aad7eff9c1a5
SHA2567e63983515c549b88e013435fcd7a5bd9208a71dd1ec92361b1e80e74cb9c739
SHA5120c28dec052276fdbb63800d0086ecd80b6357db4b9a318290100ba792e77df2ebd48a41870a28809c4620bdc3bbc8651a8c7b38664f3798e422d8481bd537df0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5408ebf52c4b4017fba440a540cb00872
SHA15aa79b19ca81315fb6bbd22c873526f331e13e3e
SHA256ba66659a5a9d657b495466f88d583fbd3a9ce51fb6e1a7c6cf2d84cfbd0d34d4
SHA512a40e4a7b52edf47fbf15adba25bb44979ad0df6e608220fe7996a6a882b7fdc81e84fd58405e49c3a3675b3b399a6d0a58db0a60584788cd25f66c8c51336e20
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD500e6f9bfb9fbe4e936667a22bb9281ca
SHA1985bb8aa922491c35787d55f6a2f6e277643af25
SHA2563100c53c8431975bd673022e58f66a82fa092af3bf7c4b78c89961ba755a6182
SHA512cbd6529761b0333fe43dd61ce3efea838968efd72b67e3f1f29296b7ac7eea90be1e4cd28d58973bf0e5bd8c35ac81b295392a0f67c994381504a4d74532c76d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d6b3773c6b7d9dac869ab01bb6b1f6c8
SHA1dc0843b70d2e336987e2eecacee801ed80247c1a
SHA256ba8c0832decb3248d3d925fc641ae177081201731725b442c4648634893a2f60
SHA51281f84b56eed4855e70e5a1dc5e0f7348ffb6eb5364e520130ce29503066822d4a88c73435737a1515d4626c37c365187672559379647ab9c17a798ed4100eab8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c1746f6fec7269197dcd9b3a989530fa
SHA15e55e91b57663055c26331c2455bc4ae7c52840c
SHA256ce794d874fdeb8e40e90c2c63010f533237986e4dbcacfe1501d9c7e749ac96b
SHA5127e9940c06c6facf89a7098fe7b65afe0900f82307974e17cb93d182b139b501624ec64ad977fececb204935e130fa7c8ee2b9b0fe64995525da7f21c3c10b81c
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Filesize
4.2MB
MD52251295b6f35bc37b8ce03399bb9950a
SHA10c03f592e448a4e6348ae1eae16f508eac93a8e5
SHA2569e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f
SHA5127d04f5fbc21f30d79a4dc3a84b8ddb8db2ab535e1d3d4dd2c8e6bf35c78efdcff53e2512def3f55254b268aebfb034d2fb189d5e48f17b149f339dfe56dd2c6f
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Filesize
4.2MB
MD52251295b6f35bc37b8ce03399bb9950a
SHA10c03f592e448a4e6348ae1eae16f508eac93a8e5
SHA2569e6cd0bdd2b43f9735487eed1119e233384524da9381eb7fdcf5cf9ddc6c416f
SHA5127d04f5fbc21f30d79a4dc3a84b8ddb8db2ab535e1d3d4dd2c8e6bf35c78efdcff53e2512def3f55254b268aebfb034d2fb189d5e48f17b149f339dfe56dd2c6f
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec