Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
28/03/2024, 17:03
Static task
static1
Behavioral task
behavioral1
Sample
822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe
Resource
win10v2004-20240226-en
General
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Target
822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe
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Size
4.1MB
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MD5
3dc1e346392fca119ba9334e2fc5d2de
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SHA1
a3d11daa6f9a2a238b8eebc3a01ea90d221e192d
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SHA256
822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026
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SHA512
8ccda0c5d1f8276f1b4c8af58111faaf703ca94a9b7b55cb057bc13cd56fe4ca321076f4aa5c07bc847f85d9207e578d95195241f0c9e5ab4134a989fa091952
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SSDEEP
98304:DnBT2yxfuzTI5fStKEP/KBtuRmnykiTetptq5ld6zSH5JXyGfEjJ1:9qqUKXID/eQ/nIb
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/3672-2-0x0000000003120000-0x0000000003A0B000-memory.dmp family_glupteba behavioral1/memory/3672-3-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral1/memory/780-55-0x0000000002FD0000-0x00000000038BB000-memory.dmp family_glupteba behavioral1/memory/780-57-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral1/memory/3672-84-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral1/memory/780-160-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral1/memory/2052-258-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral1/memory/2052-269-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral1/memory/2052-273-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral1/memory/2052-276-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral1/memory/2052-281-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral1/memory/2052-285-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral1/memory/2052-289-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral1/memory/2052-293-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral1/memory/2052-296-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral1/memory/2052-301-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral1/memory/2052-305-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral1/memory/2052-309-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba behavioral1/memory/2052-313-0x0000000000400000-0x0000000000ECD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1044 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2052 csrss.exe 4536 injector.exe 2468 windefender.exe 4844 windefender.exe -
resource yara_rule behavioral1/files/0x000700000002324f-261.dat upx behavioral1/memory/2468-267-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4844-271-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4844-279-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4844-291-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe Set value (str) \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\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 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe File created C:\Windows\rss\csrss.exe 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.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 3552 sc.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 4376 schtasks.exe 684 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.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\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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" 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.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\22\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-872 = "Pakistan Standard 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" 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates 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\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2321 = "Sakhalin 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" 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.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,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.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\22\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1004 powershell.exe 1004 powershell.exe 3672 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe 3672 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe 4036 powershell.exe 4036 powershell.exe 780 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe 780 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe 780 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe 780 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe 780 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe 780 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe 780 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe 780 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe 780 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe 780 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe 2704 powershell.exe 2704 powershell.exe 1432 powershell.exe 1432 powershell.exe 2732 powershell.exe 2732 powershell.exe 4792 powershell.exe 4792 powershell.exe 4776 powershell.exe 4776 powershell.exe 4536 injector.exe 4536 injector.exe 4536 injector.exe 4536 injector.exe 4536 injector.exe 4536 injector.exe 2052 csrss.exe 2052 csrss.exe 4536 injector.exe 4536 injector.exe 4536 injector.exe 4536 injector.exe 4536 injector.exe 4536 injector.exe 2052 csrss.exe 2052 csrss.exe 4536 injector.exe 4536 injector.exe 2052 csrss.exe 4536 injector.exe 4536 injector.exe 2052 csrss.exe 4536 injector.exe 4536 injector.exe 4536 injector.exe 4536 injector.exe 4536 injector.exe 4536 injector.exe 4536 injector.exe 4536 injector.exe 4536 injector.exe 4536 injector.exe 4536 injector.exe 4536 injector.exe 4536 injector.exe 4536 injector.exe 4536 injector.exe 4536 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1004 powershell.exe Token: SeDebugPrivilege 3672 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe Token: SeImpersonatePrivilege 3672 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe Token: SeDebugPrivilege 4036 powershell.exe Token: SeDebugPrivilege 2704 powershell.exe Token: SeDebugPrivilege 1432 powershell.exe Token: SeDebugPrivilege 2732 powershell.exe Token: SeDebugPrivilege 4792 powershell.exe Token: SeDebugPrivilege 4776 powershell.exe Token: SeSystemEnvironmentPrivilege 2052 csrss.exe Token: SeSecurityPrivilege 3552 sc.exe Token: SeSecurityPrivilege 3552 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3672 wrote to memory of 1004 3672 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe 91 PID 3672 wrote to memory of 1004 3672 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe 91 PID 3672 wrote to memory of 1004 3672 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe 91 PID 780 wrote to memory of 4036 780 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe 99 PID 780 wrote to memory of 4036 780 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe 99 PID 780 wrote to memory of 4036 780 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe 99 PID 780 wrote to memory of 2640 780 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe 104 PID 780 wrote to memory of 2640 780 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe 104 PID 2640 wrote to memory of 1044 2640 cmd.exe 106 PID 2640 wrote to memory of 1044 2640 cmd.exe 106 PID 780 wrote to memory of 2704 780 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe 107 PID 780 wrote to memory of 2704 780 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe 107 PID 780 wrote to memory of 2704 780 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe 107 PID 780 wrote to memory of 1432 780 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe 109 PID 780 wrote to memory of 1432 780 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe 109 PID 780 wrote to memory of 1432 780 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe 109 PID 780 wrote to memory of 2052 780 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe 111 PID 780 wrote to memory of 2052 780 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe 111 PID 780 wrote to memory of 2052 780 822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe 111 PID 2052 wrote to memory of 2732 2052 csrss.exe 112 PID 2052 wrote to memory of 2732 2052 csrss.exe 112 PID 2052 wrote to memory of 2732 2052 csrss.exe 112 PID 2052 wrote to memory of 4792 2052 csrss.exe 118 PID 2052 wrote to memory of 4792 2052 csrss.exe 118 PID 2052 wrote to memory of 4792 2052 csrss.exe 118 PID 2052 wrote to memory of 4776 2052 csrss.exe 120 PID 2052 wrote to memory of 4776 2052 csrss.exe 120 PID 2052 wrote to memory of 4776 2052 csrss.exe 120 PID 2052 wrote to memory of 4536 2052 csrss.exe 122 PID 2052 wrote to memory of 4536 2052 csrss.exe 122 PID 2468 wrote to memory of 2956 2468 windefender.exe 129 PID 2468 wrote to memory of 2956 2468 windefender.exe 129 PID 2468 wrote to memory of 2956 2468 windefender.exe 129 PID 2956 wrote to memory of 3552 2956 cmd.exe 130 PID 2956 wrote to memory of 3552 2956 cmd.exe 130 PID 2956 wrote to memory of 3552 2956 cmd.exe 130 -
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\822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe"C:\Users\Admin\AppData\Local\Temp\822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3672 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1004
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C:\Users\Admin\AppData\Local\Temp\822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.exe"C:\Users\Admin\AppData\Local\Temp\822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026.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:780 -
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:4036
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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:2640 -
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:1044
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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:2704
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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:1432
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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:2052 -
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:2732
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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:4376
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3944
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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:4792
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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:4776
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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:4536
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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:684
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2468 -
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:2956 -
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:3552
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4844
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d91ee48bda920c5274fa93cf93d1b11b
SHA1c535a3a843b50d7214f77c918e8b3933a594948f
SHA25614349b680a52b3d2383dca1dd8f4db7e7d8881033ac37f415cd6735c4b67589a
SHA512006b562d4ce5a44575ffd0788bd1f519fc29a0d4ce18c52a8bbc67392712407fbc855b6a020f2264647dabb67a7656a49d9aae03b46dcd301cb83cd232c4a190
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50a5b6827cebe9575da34a85b1d98cd7d
SHA11e4ffe8ac5b56b32c2fd5fcc4e3ce9107477cdea
SHA256dc25ba4ce0927ad5ded1021a0d1d5ed2c08c15e9f4b03d599190f7ccf042a7ea
SHA5129c7b1382fd57d2128ada33c810330bef875ec8acffeea014cbeb93ae0f150252b1ca6e9439cd580cbf36f932a11a31ccc27c7e1c122392a25931d3f130a01743
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD500abedf2c938e54566939fce38cb0139
SHA162fabd5a54e5200c42ca6fcf2d9eee98184b68b1
SHA25691e541aa56ba8297a9a70757813d871234ba8c4dd378e3dbbbf1afbc554de7e3
SHA5123d8bcc976a06775c705631badad41aea12482908cea94829fd88b30d53f1330cb87bb9b217e50eefa1338f7197fe9a1cfae023dfe64a7ca1958415cc1193e908
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a3c33035d8a3228998ac0b5951dd4fc6
SHA142534ee31975efefe07421e6e7b9a5daea739f54
SHA25683d318ba7d13ce5a6edff891c134c1b97edf744dbbbd385c0f55b2ae3efb4faf
SHA512ed602449450071f60e55565c35b6fe8ecd19f30c80a9a4cd145c8f1f8bbea3fc7d8e27c71a878c0c11a9acb2eeaa11efd2199a07107f2fb264e4faeb9106c083
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5addc22a6378cb1faee147a5ad0fbd0ad
SHA1c55451a51d9bd73a7e681ad7fbc087f40814fc04
SHA2560ae763f2e9100af49bafb12a3be9217e19d5e7274b7958996e63c03c74c88311
SHA51283979e1f8116cea9e45393fa870018cabc6571e5831b4deb2d95292b99ba25e51cc993a613005d3cd1b7f298b1de6f06b3e36f9f650b90310f7d1cdcf1dad290
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Filesize
4.1MB
MD53dc1e346392fca119ba9334e2fc5d2de
SHA1a3d11daa6f9a2a238b8eebc3a01ea90d221e192d
SHA256822596d31862edb1209de0c34823c0509881ea9840b3740d359f095b7d568026
SHA5128ccda0c5d1f8276f1b4c8af58111faaf703ca94a9b7b55cb057bc13cd56fe4ca321076f4aa5c07bc847f85d9207e578d95195241f0c9e5ab4134a989fa091952
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec