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Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240319-en -
resource tags
arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system -
submitted
06/04/2024, 21:35
Static task
static1
Behavioral task
behavioral1
Sample
7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe
Resource
win10v2004-20240319-en
General
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Target
7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe
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Size
4.1MB
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MD5
db4d85ae51687b913b4b0200c65c8859
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SHA1
529ac2b2159c29a2512f9adfcee356f9f726e62e
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SHA256
7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e
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SHA512
131aca16fef48aab8103bbf07aa354076d8cbe57e82e5c8a65279e296d083ca508cd7328f91fd1f5e95728fc5b4419d246fbd96bce4a0ad9786d976ce2261cbd
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SSDEEP
98304:3ZTJtvrSQI+RdfgxNOWs+luvBV3Kjpf8MTPWtsil5w:pVJ5f9clKG+MTut9o
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/3424-2-0x0000000005110000-0x00000000059FB000-memory.dmp family_glupteba behavioral1/memory/3424-3-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral1/memory/3424-29-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral1/memory/3424-55-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral1/memory/3424-57-0x0000000005110000-0x00000000059FB000-memory.dmp family_glupteba behavioral1/memory/2256-59-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral1/memory/2256-94-0x0000000004D20000-0x0000000005128000-memory.dmp family_glupteba behavioral1/memory/2256-105-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral1/memory/2256-118-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral1/memory/2256-148-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral1/memory/2256-155-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral1/memory/4372-224-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral1/memory/4372-256-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral1/memory/4372-264-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral1/memory/4372-266-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral1/memory/4372-268-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral1/memory/4372-270-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba behavioral1/memory/4372-272-0x0000000000400000-0x0000000002F4A000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4908 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4372 csrss.exe 2024 injector.exe 1400 windefender.exe 4612 windefender.exe -
resource yara_rule behavioral1/files/0x000800000002334f-259.dat upx behavioral1/memory/1400-263-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4612-265-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4612-269-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe Set value (str) \REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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 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 -
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 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe File created C:\Windows\rss\csrss.exe 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.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 4368 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1328 2256 WerFault.exe 109 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2684 schtasks.exe 4384 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process 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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates 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\22\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3152 powershell.exe 3152 powershell.exe 3152 powershell.exe 3424 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 3424 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 2732 powershell.exe 2732 powershell.exe 2732 powershell.exe 2256 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 2256 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 2256 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 2256 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 2256 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 2256 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 2256 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 2256 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 2256 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 2256 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 2248 powershell.exe 2248 powershell.exe 2248 powershell.exe 336 powershell.exe 336 powershell.exe 336 powershell.exe 1400 powershell.exe 1400 powershell.exe 1400 powershell.exe 1364 powershell.exe 1364 powershell.exe 1364 powershell.exe 1884 powershell.exe 1884 powershell.exe 1884 powershell.exe 2024 injector.exe 2024 injector.exe 2024 injector.exe 2024 injector.exe 2024 injector.exe 2024 injector.exe 4372 csrss.exe 4372 csrss.exe 2024 injector.exe 2024 injector.exe 2024 injector.exe 2024 injector.exe 2024 injector.exe 2024 injector.exe 4372 csrss.exe 4372 csrss.exe 2024 injector.exe 2024 injector.exe 2024 injector.exe 2024 injector.exe 4372 csrss.exe 4372 csrss.exe 2024 injector.exe 2024 injector.exe 2024 injector.exe 2024 injector.exe 2024 injector.exe 2024 injector.exe 2024 injector.exe 2024 injector.exe 2024 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3152 powershell.exe Token: SeDebugPrivilege 3424 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe Token: SeImpersonatePrivilege 3424 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe Token: SeDebugPrivilege 2732 powershell.exe Token: SeDebugPrivilege 2248 powershell.exe Token: SeDebugPrivilege 336 powershell.exe Token: SeDebugPrivilege 1400 powershell.exe Token: SeDebugPrivilege 1364 powershell.exe Token: SeDebugPrivilege 1884 powershell.exe Token: SeSystemEnvironmentPrivilege 4372 csrss.exe Token: SeSecurityPrivilege 4368 sc.exe Token: SeSecurityPrivilege 4368 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3424 wrote to memory of 3152 3424 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 101 PID 3424 wrote to memory of 3152 3424 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 101 PID 3424 wrote to memory of 3152 3424 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 101 PID 2256 wrote to memory of 2732 2256 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 111 PID 2256 wrote to memory of 2732 2256 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 111 PID 2256 wrote to memory of 2732 2256 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 111 PID 2256 wrote to memory of 2448 2256 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 114 PID 2256 wrote to memory of 2448 2256 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 114 PID 2448 wrote to memory of 4908 2448 cmd.exe 116 PID 2448 wrote to memory of 4908 2448 cmd.exe 116 PID 2256 wrote to memory of 2248 2256 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 117 PID 2256 wrote to memory of 2248 2256 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 117 PID 2256 wrote to memory of 2248 2256 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 117 PID 2256 wrote to memory of 336 2256 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 120 PID 2256 wrote to memory of 336 2256 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 120 PID 2256 wrote to memory of 336 2256 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 120 PID 2256 wrote to memory of 4372 2256 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 122 PID 2256 wrote to memory of 4372 2256 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 122 PID 2256 wrote to memory of 4372 2256 7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe 122 PID 4372 wrote to memory of 1400 4372 csrss.exe 126 PID 4372 wrote to memory of 1400 4372 csrss.exe 126 PID 4372 wrote to memory of 1400 4372 csrss.exe 126 PID 4372 wrote to memory of 1364 4372 csrss.exe 131 PID 4372 wrote to memory of 1364 4372 csrss.exe 131 PID 4372 wrote to memory of 1364 4372 csrss.exe 131 PID 4372 wrote to memory of 1884 4372 csrss.exe 134 PID 4372 wrote to memory of 1884 4372 csrss.exe 134 PID 4372 wrote to memory of 1884 4372 csrss.exe 134 PID 4372 wrote to memory of 2024 4372 csrss.exe 136 PID 4372 wrote to memory of 2024 4372 csrss.exe 136 PID 1400 wrote to memory of 3372 1400 windefender.exe 142 PID 1400 wrote to memory of 3372 1400 windefender.exe 142 PID 1400 wrote to memory of 3372 1400 windefender.exe 142 PID 3372 wrote to memory of 4368 3372 cmd.exe 143 PID 3372 wrote to memory of 4368 3372 cmd.exe 143 PID 3372 wrote to memory of 4368 3372 cmd.exe 143 -
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\7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe"C:\Users\Admin\AppData\Local\Temp\7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3424 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3152
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C:\Users\Admin\AppData\Local\Temp\7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.exe"C:\Users\Admin\AppData\Local\Temp\7a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e.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:2256 -
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:2732
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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:2448 -
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:4908
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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:2248
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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:336
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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:4372 -
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:1400
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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:2684
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2220
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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:1364
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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:1884
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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:2024
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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:4384
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1400 -
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:3372 -
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:4368
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2256 -s 6043⤵
- Program crash
PID:1328
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4196 --field-trial-handle=2232,i,10468259530860544675,2192522633371581869,262144 --variations-seed-version /prefetch:81⤵PID:3080
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 2256 -ip 22561⤵PID:5060
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4612
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
MD512c5720c3c8700b13399ab9e0d957457
SHA121da4cace0eb0e3b8d8fee3c983eb94d298447dd
SHA2563e05f580fb927c42bf499e11f1d425a74a01f4c26857054ed0efb9af3f0f66f4
SHA5126fa39e2b606ff608179b3dddcead4e6d0d89f82c7fe15fa31bf2a4919e15e2f642480e2894c25b4e8de9806b96f71af445ba10778d3318b237e9a2b103bef9c3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD557297ed05e8fa9a9f2d0d2781558e429
SHA10bbb50f332b2166f13982da4ac79671f8130e8d1
SHA2569fc172431df942d45ff74da58f076dd2809df7b124c6e3895f5e1acb18f57793
SHA5123c09101316dc6468b105b41b9aea7407601500175c26f2cff3a1a7beb0be552e17cb8d2608c55ee0fec2e6012848a8f4a49f448c4f64ab4d6967dfe7f508f090
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5751061b9ee175097512eb94f64f729ae
SHA1b68f9d07e209f8a438fc06f8c76a4a418bdcf718
SHA256523d9f96e60cc2f5a20961059e41815a8b4d9042fd394e5b5b5681c53e70f4cd
SHA512ed53b2291a7603c07584c19db333e3cb3730f4abc5f2de4729c9ddb99c77b275d571b545897a16d27610ab1e157ca38311d7e8739921672f0071110f27d4c8e9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52d8ffe412c8922e0cb3b9c875e14b574
SHA149a94cdfc59300c36f8443d19b2ac905efcac779
SHA25637853f4b72afadc520a02c537790d246ba05f4c6c799c6c883a6b5a95c2b534b
SHA5123abbceb42a73980e372b27eb8495c372ad8058fe1579e86b03983927560e46be20a8556c77b92f2bdf9aa8ec436b27971aff5e659c67fcd4d10d907694a022bd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e55c9f2102d826f30a002fcf2bfa964e
SHA1aa41fabe3a0e8944dedd9b9a81fb971f54113342
SHA256bca7643d77e119b271d6b43c566efbc56fcfb373664eb0b3a7e972872b0718c9
SHA5122ce4f7756845e3b5217316f4d6d8d64fcb5dceaa0b431106a37f2ff3b2a977bf37780aef91e10200962c95169f771d8545a0e054bff978bf206eaf8d8983f7fe
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Filesize
4.1MB
MD5db4d85ae51687b913b4b0200c65c8859
SHA1529ac2b2159c29a2512f9adfcee356f9f726e62e
SHA2567a61f2f78f9900ab386cac6d6188603b8a05d1917cb26d74ba82c61ef06b157e
SHA512131aca16fef48aab8103bbf07aa354076d8cbe57e82e5c8a65279e296d083ca508cd7328f91fd1f5e95728fc5b4419d246fbd96bce4a0ad9786d976ce2261cbd
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec