Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
09/05/2024, 19:18
Static task
static1
Behavioral task
behavioral1
Sample
735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe
Resource
win10v2004-20240508-en
General
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Target
735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe
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Size
4.1MB
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MD5
8b276996d5f025a6910d58c61615ad2d
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SHA1
cbd78ed04260737e194aa83c02b7dbc9403d5dca
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SHA256
735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f
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SHA512
706672e6139bfde18147a37aab12a87e5557264fa3478dca01d725bf2bfbd077652365bb37c95594d200c1bf09fd07a60745b88e09c07c20a15bbe03705244f5
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SSDEEP
98304:/pLl5dh/cY//0ytMliSDJIrO0tWgVy355J08nZmlsCM:hLlNLHtGNcOLFp5JFwlsCM
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/2152-2-0x0000000004F60000-0x000000000584B000-memory.dmp family_glupteba behavioral1/memory/2152-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2152-4-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/2152-57-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/2152-58-0x0000000004F60000-0x000000000584B000-memory.dmp family_glupteba behavioral1/memory/2152-59-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2868-70-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/2868-139-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/2336-163-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/2336-222-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/2336-233-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/2336-237-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/2336-241-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/2336-244-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/2336-249-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/2336-253-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/2336-257-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/2336-260-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral1/memory/2336-264-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3548 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2336 csrss.exe 3036 injector.exe 2532 windefender.exe 3148 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023433-226.dat upx behavioral1/memory/2532-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2532-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3148-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3148-243-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File 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 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe File created C:\Windows\rss\csrss.exe 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.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 928 sc.exe -
pid Process 3684 powershell.exe 116 powershell.exe 688 powershell.exe 2452 powershell.exe 4852 powershell.exe 2968 powershell.exe 3152 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 2284 schtasks.exe 3712 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,-442 = "Arabian Standard Time" 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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\2a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.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,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.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\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 116 powershell.exe 116 powershell.exe 2152 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 2152 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 688 powershell.exe 688 powershell.exe 2868 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 2868 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 2868 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 2868 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 2868 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 2868 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 2868 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 2868 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 2868 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 2868 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 2452 powershell.exe 2452 powershell.exe 4852 powershell.exe 4852 powershell.exe 2968 powershell.exe 2968 powershell.exe 3152 powershell.exe 3152 powershell.exe 3684 powershell.exe 3684 powershell.exe 3036 injector.exe 3036 injector.exe 3036 injector.exe 3036 injector.exe 3036 injector.exe 3036 injector.exe 2336 csrss.exe 2336 csrss.exe 3036 injector.exe 3036 injector.exe 3036 injector.exe 3036 injector.exe 3036 injector.exe 3036 injector.exe 2336 csrss.exe 2336 csrss.exe 3036 injector.exe 3036 injector.exe 3036 injector.exe 3036 injector.exe 2336 csrss.exe 2336 csrss.exe 3036 injector.exe 3036 injector.exe 3036 injector.exe 3036 injector.exe 3036 injector.exe 3036 injector.exe 3036 injector.exe 3036 injector.exe 3036 injector.exe 3036 injector.exe 3036 injector.exe 3036 injector.exe 3036 injector.exe 3036 injector.exe 3036 injector.exe 3036 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 116 powershell.exe Token: SeDebugPrivilege 2152 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe Token: SeImpersonatePrivilege 2152 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe Token: SeDebugPrivilege 688 powershell.exe Token: SeDebugPrivilege 2452 powershell.exe Token: SeDebugPrivilege 4852 powershell.exe Token: SeDebugPrivilege 2968 powershell.exe Token: SeDebugPrivilege 3152 powershell.exe Token: SeDebugPrivilege 3684 powershell.exe Token: SeSystemEnvironmentPrivilege 2336 csrss.exe Token: SeSecurityPrivilege 928 sc.exe Token: SeSecurityPrivilege 928 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2152 wrote to memory of 116 2152 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 89 PID 2152 wrote to memory of 116 2152 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 89 PID 2152 wrote to memory of 116 2152 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 89 PID 2868 wrote to memory of 688 2868 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 94 PID 2868 wrote to memory of 688 2868 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 94 PID 2868 wrote to memory of 688 2868 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 94 PID 2868 wrote to memory of 4972 2868 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 97 PID 2868 wrote to memory of 4972 2868 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 97 PID 4972 wrote to memory of 3548 4972 cmd.exe 99 PID 4972 wrote to memory of 3548 4972 cmd.exe 99 PID 2868 wrote to memory of 2452 2868 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 101 PID 2868 wrote to memory of 2452 2868 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 101 PID 2868 wrote to memory of 2452 2868 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 101 PID 2868 wrote to memory of 4852 2868 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 103 PID 2868 wrote to memory of 4852 2868 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 103 PID 2868 wrote to memory of 4852 2868 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 103 PID 2868 wrote to memory of 2336 2868 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 105 PID 2868 wrote to memory of 2336 2868 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 105 PID 2868 wrote to memory of 2336 2868 735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe 105 PID 2336 wrote to memory of 2968 2336 csrss.exe 106 PID 2336 wrote to memory of 2968 2336 csrss.exe 106 PID 2336 wrote to memory of 2968 2336 csrss.exe 106 PID 2336 wrote to memory of 3152 2336 csrss.exe 111 PID 2336 wrote to memory of 3152 2336 csrss.exe 111 PID 2336 wrote to memory of 3152 2336 csrss.exe 111 PID 2336 wrote to memory of 3684 2336 csrss.exe 114 PID 2336 wrote to memory of 3684 2336 csrss.exe 114 PID 2336 wrote to memory of 3684 2336 csrss.exe 114 PID 2336 wrote to memory of 3036 2336 csrss.exe 116 PID 2336 wrote to memory of 3036 2336 csrss.exe 116 PID 2532 wrote to memory of 1780 2532 windefender.exe 122 PID 2532 wrote to memory of 1780 2532 windefender.exe 122 PID 2532 wrote to memory of 1780 2532 windefender.exe 122 PID 1780 wrote to memory of 928 1780 cmd.exe 123 PID 1780 wrote to memory of 928 1780 cmd.exe 123 PID 1780 wrote to memory of 928 1780 cmd.exe 123 -
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\735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe"C:\Users\Admin\AppData\Local\Temp\735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2152 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:116
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C:\Users\Admin\AppData\Local\Temp\735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.exe"C:\Users\Admin\AppData\Local\Temp\735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f.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:2868 -
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:688
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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:4972 -
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:3548
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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:2452
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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:4852
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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:2336 -
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:2968
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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:2284
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1128
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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:3152
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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:3684
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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:3036
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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:3712
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2532 -
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:1780 -
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:928
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3148
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50dfdfb9aa2b01703f1f77f5f6976e13a
SHA131c16474e1696ee3746dda41caf9ba0efcdbaa5c
SHA256bd8d8afc5fd104a05d3ba9d18f3af74bf29c36905e4bce2c3ae0cf2d1f91b34d
SHA512b4f9d25a704777539f1a7bb641e9e6ebad8f16155b500941a4032e97713cda8a7dd41c4158527b038d96f22973e20ba8167b1492c6da643b625e57521229e15b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53038cf3f60e4386b32b63e2ec8f8a37c
SHA10b238233b7638b655cc100e1e9000086b45835bf
SHA2566cdd563f37ea0edb482824d7894dafa3b69096d214c8c3963deb5f33ed140e81
SHA51256a089432beb3f628bee07a768a7da4b865f90ff79286721a526a962f5d7e808cc862abf87b5951558f55fe925c26ee0ab857a7833e16b44441fedbf3b21a57f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55195b9da052a691c4f412f16630044b5
SHA1377ca02770d08c16f34b5e03de63ac0d2a854684
SHA256b06a5e5f0b1bb9dd1994d9963fa57435a2a01609c92fcb24f7316a2271a1b3a6
SHA512c93ef62a2be1fbfb008151e33a924a9daafb81dbf0541e3c4c0c0ea3810ed928c9f10e72ba7d90f28559bfb641bf057d36caa08afb37a33ba53c274782ca41df
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD563943b5ecad617552f11268a7c6b542d
SHA1e1478069b1cf7f4f9b30583e0dbfebdf7bec98c9
SHA256f3096e926713b595d527e126a315e4c52a04ae7bb8b21707b51752619f75c933
SHA512afcdd3271cb5f6cfc896f1c0fa21918de2461a6343eb1ca4f80b2b0105532072f0378cec5a3ffd74e6f66d65953f37fb60e1c3baa7cf4d1b958b138ebc4e00ed
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5de0ea1ac76e8b01b4398c94033306d1c
SHA183e457147f7445af0a54ca0af5e8c7f85f02c45d
SHA2567ac6794194932fe832a5840c7634b729b79a3d651b9c23afee7515f6bf558adb
SHA5125077c1b6fb9dd82f7a56595675c7ef9e1acf3c5b24555d5b298e3bf53eb6066a2b43cc3794bded5bd1d32109ca1ec713ef3be2ea75938cde12b5b74c75d3a1de
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Filesize
4.1MB
MD58b276996d5f025a6910d58c61615ad2d
SHA1cbd78ed04260737e194aa83c02b7dbc9403d5dca
SHA256735d7c8bd31dbedadcb392e3f30db32e35a975aa1632650796958989c19ff89f
SHA512706672e6139bfde18147a37aab12a87e5557264fa3478dca01d725bf2bfbd077652365bb37c95594d200c1bf09fd07a60745b88e09c07c20a15bbe03705244f5
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec