Analysis
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max time kernel
150s -
max time network
133s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
15-05-2024 18:10
Static task
static1
Behavioral task
behavioral1
Sample
8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe
Resource
win10v2004-20240508-en
General
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Target
8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe
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Size
4.1MB
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MD5
6f3fed9266c233f373f10498cf57adbf
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SHA1
d2f4dd496637cb4ef8fde258e9284bcc4bd5ce4e
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SHA256
8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a
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SHA512
5721f144afecc5522d6c0644a103299ef62153581f65281ce971eeb07393cab0cf63b7666597262e550338007386ff5f06c3ef211d519f619b34b5a00744a506
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SSDEEP
98304:YoKALZtLSnhBaG13jSGzI9y04m/Xf7c/d7YDSGfJg5NEka2Q+gg:YC1IraEjIw04m/Xfo4a5yka2Q+gg
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/4780-2-0x0000000004CC0000-0x00000000055AB000-memory.dmp family_glupteba behavioral1/memory/4780-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4780-26-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4780-58-0x0000000004CC0000-0x00000000055AB000-memory.dmp family_glupteba behavioral1/memory/4780-56-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4780-59-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1080-84-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/1080-137-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2452-218-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2452-228-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2452-230-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2452-233-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2452-236-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2452-240-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2452-242-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2452-245-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2452-248-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2452-252-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3288 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2452 csrss.exe 2296 injector.exe 5084 windefender.exe 4212 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023568-222.dat upx behavioral1/memory/5084-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5084-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4212-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4212-237-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\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 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 -
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 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe File created C:\Windows\rss\csrss.exe 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.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 4460 sc.exe -
pid Process 2824 powershell.exe 3600 powershell.exe 4504 powershell.exe 4732 powershell.exe 524 powershell.exe 4380 powershell.exe 1152 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 4516 schtasks.exe 5012 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-352 = "FLE 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,-2511 = "Lord Howe Daylight Time" 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs 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\2a\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.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,-282 = "Central Europe Standard Time" 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-132 = "US Eastern 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" 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 524 powershell.exe 524 powershell.exe 4780 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 4780 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 4380 powershell.exe 4380 powershell.exe 4380 powershell.exe 1080 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 1080 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 1080 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 1080 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 1080 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 1080 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 1080 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 1080 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 1080 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 1080 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 1152 powershell.exe 1152 powershell.exe 1152 powershell.exe 2824 powershell.exe 2824 powershell.exe 2824 powershell.exe 3600 powershell.exe 3600 powershell.exe 4504 powershell.exe 4504 powershell.exe 4732 powershell.exe 4732 powershell.exe 2296 injector.exe 2296 injector.exe 2296 injector.exe 2296 injector.exe 2296 injector.exe 2296 injector.exe 2452 csrss.exe 2452 csrss.exe 2296 injector.exe 2296 injector.exe 2296 injector.exe 2296 injector.exe 2296 injector.exe 2296 injector.exe 2452 csrss.exe 2452 csrss.exe 2296 injector.exe 2296 injector.exe 2452 csrss.exe 2452 csrss.exe 2296 injector.exe 2296 injector.exe 2296 injector.exe 2296 injector.exe 2296 injector.exe 2296 injector.exe 2296 injector.exe 2296 injector.exe 2296 injector.exe 2296 injector.exe 2296 injector.exe 2296 injector.exe 2296 injector.exe 2296 injector.exe 2296 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 524 powershell.exe Token: SeDebugPrivilege 4780 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe Token: SeImpersonatePrivilege 4780 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe Token: SeDebugPrivilege 4380 powershell.exe Token: SeDebugPrivilege 1152 powershell.exe Token: SeDebugPrivilege 2824 powershell.exe Token: SeDebugPrivilege 3600 powershell.exe Token: SeDebugPrivilege 4504 powershell.exe Token: SeDebugPrivilege 4732 powershell.exe Token: SeSystemEnvironmentPrivilege 2452 csrss.exe Token: SeSecurityPrivilege 4460 sc.exe Token: SeSecurityPrivilege 4460 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4780 wrote to memory of 524 4780 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 97 PID 4780 wrote to memory of 524 4780 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 97 PID 4780 wrote to memory of 524 4780 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 97 PID 1080 wrote to memory of 4380 1080 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 102 PID 1080 wrote to memory of 4380 1080 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 102 PID 1080 wrote to memory of 4380 1080 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 102 PID 1080 wrote to memory of 1720 1080 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 104 PID 1080 wrote to memory of 1720 1080 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 104 PID 1720 wrote to memory of 3288 1720 cmd.exe 106 PID 1720 wrote to memory of 3288 1720 cmd.exe 106 PID 1080 wrote to memory of 1152 1080 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 108 PID 1080 wrote to memory of 1152 1080 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 108 PID 1080 wrote to memory of 1152 1080 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 108 PID 1080 wrote to memory of 2824 1080 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 110 PID 1080 wrote to memory of 2824 1080 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 110 PID 1080 wrote to memory of 2824 1080 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 110 PID 1080 wrote to memory of 2452 1080 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 113 PID 1080 wrote to memory of 2452 1080 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 113 PID 1080 wrote to memory of 2452 1080 8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe 113 PID 2452 wrote to memory of 3600 2452 csrss.exe 114 PID 2452 wrote to memory of 3600 2452 csrss.exe 114 PID 2452 wrote to memory of 3600 2452 csrss.exe 114 PID 2452 wrote to memory of 4504 2452 csrss.exe 120 PID 2452 wrote to memory of 4504 2452 csrss.exe 120 PID 2452 wrote to memory of 4504 2452 csrss.exe 120 PID 2452 wrote to memory of 4732 2452 csrss.exe 122 PID 2452 wrote to memory of 4732 2452 csrss.exe 122 PID 2452 wrote to memory of 4732 2452 csrss.exe 122 PID 2452 wrote to memory of 2296 2452 csrss.exe 124 PID 2452 wrote to memory of 2296 2452 csrss.exe 124 PID 5084 wrote to memory of 3716 5084 windefender.exe 130 PID 5084 wrote to memory of 3716 5084 windefender.exe 130 PID 5084 wrote to memory of 3716 5084 windefender.exe 130 PID 3716 wrote to memory of 4460 3716 cmd.exe 131 PID 3716 wrote to memory of 4460 3716 cmd.exe 131 PID 3716 wrote to memory of 4460 3716 cmd.exe 131 -
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\8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe"C:\Users\Admin\AppData\Local\Temp\8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4780 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:524
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C:\Users\Admin\AppData\Local\Temp\8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.exe"C:\Users\Admin\AppData\Local\Temp\8a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a.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:1080 -
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:4380
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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:1720 -
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:3288
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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:1152
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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:2824
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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:2452 -
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:3600
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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:4516
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2204
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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:4504
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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:4732
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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:2296
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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:5012
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5084 -
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:3716 -
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:4460
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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 --field-trial-handle=3756,i,7012731823941922179,12386606396608877869,262144 --variations-seed-version --mojo-platform-channel-handle=4396 /prefetch:81⤵PID:2064
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4212
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
MD5bcc4f8219b43816bef0055e0a03b3660
SHA1f2692af8586bb4ab2e09c681eedace1b3ac4c672
SHA2566a9a5d51db432df6eadf3c71bbc938a516bf7fd772e138bdaab967bd05e4a894
SHA5126dd00535df22e503593fa076a8b81812b9f5ed81c8ec3cff37f8facc1b5af1eae839a63e97df4ca7208af3dd10af41659515d7127009f2c31165cdeb4dee062d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5163d1c92681ac53c9226673b478c1e86
SHA19f0d15b7d4b2761710b073e43ca8060fa0f1b062
SHA256fa1fcab42c7327032c4c1e451ccd894f1677966e1807074c7d43ae521faacc49
SHA51237bacb8270485fafbf742c5e31be6ce9bcfbc11d13bfeae5806b2833d97784315c2455f983dc790e5997d4df1fb634d7b2601d7e4c80980c1d42c62ec8efaa82
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ffd02a3491b219a5be26fd047f853afb
SHA1e479fc525e8ceba53f365776b1f1d92e0fd3dab7
SHA2566f418112ea5f956e5d7f33fa2649f80d0631fb0d1a232a2dd656b77b9b6eff28
SHA512f234ae02be5661ad28a2eb7685177f0504ee43f342c13e0219ace4f767ba76c27cc09e0fe5afddf777d1d190a2b3d26ad5e3f0f535ae5b86e06d033d8d299d21
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cbcf2e2086459a989c037c002436f96d
SHA15329d35ef539dea97e14a171a4e8804602c58232
SHA256a5ba05907f9e22e16e967dd8ac64fa426137aed3406f793781e3528fe06562ff
SHA512ebe4cd5ec0a7a037ae12faca5468d9f4804254d9abdc535d179dfe7e7cfd175942e818b07ce19b8c6f2d940c6a60a20b5d10858b0c8e79ff5a7683e2e2994add
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b04bbde61cd95e48677eccc7c0448090
SHA12bc978501f35544c370dc47a5afdee6b9b132c3f
SHA25694724245f5950ec6fecd2679a6d81cf7be06d65aaf6425e8cac2155d888d6ed8
SHA5125391df46ca4d966bc42bbd37dc29eeec41416f3e718b82048b84d444c90bc5427a097b1c8634254ed1499fa5db31ff1ff366baa4b11c8d26ae957c8763c9957d
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Filesize
4.1MB
MD56f3fed9266c233f373f10498cf57adbf
SHA1d2f4dd496637cb4ef8fde258e9284bcc4bd5ce4e
SHA2568a964049e4f25e7dc8870b69d432751bbe6ac43df78544ef43ef2198f60edf7a
SHA5125721f144afecc5522d6c0644a103299ef62153581f65281ce971eeb07393cab0cf63b7666597262e550338007386ff5f06c3ef211d519f619b34b5a00744a506
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec