Analysis
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max time kernel
149s -
max time network
136s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
16/05/2024, 23:41
Static task
static1
Behavioral task
behavioral1
Sample
553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe
Resource
win10v2004-20240508-en
General
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Target
553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe
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Size
4.1MB
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MD5
fa6737ca1a0116675d3ff690c956fa00
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SHA1
445e979c6bcfaeb98d3e3829b618719d621faf77
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SHA256
553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e
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SHA512
c31f8b3690992c5001824e5f571f00b7dc5fd6d0e4c9b9e8e388cfabb30bc297efb28c94d7315829b68242f568047195c780aec7b996c5506351fd1af41b3355
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SSDEEP
98304:yeUiHluf0rQLB7qDC2cDnv7XkMmFoNL2AuFwfBpDq4kblyNxxbhOzhGK:ygHncLBP5HkIsFwf3u4kByfxbhOl
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/4880-2-0x0000000002D90000-0x000000000367B000-memory.dmp family_glupteba behavioral1/memory/4880-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2644-57-0x0000000002D90000-0x000000000367B000-memory.dmp family_glupteba behavioral1/memory/4880-80-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4880-96-0x0000000002D90000-0x000000000367B000-memory.dmp family_glupteba behavioral1/memory/2644-130-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2644-209-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1996-210-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1996-223-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1996-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1996-235-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1996-239-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1996-243-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1996-247-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1996-251-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1996-255-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1996-259-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1996-263-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1996-267-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4332 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1996 csrss.exe 2064 injector.exe 2500 windefender.exe 1488 windefender.exe -
resource yara_rule behavioral1/files/0x0004000000022a48-221.dat upx behavioral1/memory/2500-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1488-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2500-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1488-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1488-240-0x0000000000400000-0x00000000008DF000-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\"" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe File created C:\Windows\rss\csrss.exe 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.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 3644 sc.exe -
pid Process 4492 powershell.exe 1268 powershell.exe 4580 powershell.exe 3964 powershell.exe 4300 powershell.exe 1572 powershell.exe 3220 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 1472 schtasks.exe 452 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process 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\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.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\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe Key created \REGISTRY\USER\.DEFAULT\Software\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\2a\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.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\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates 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\2a\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.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\2a\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4492 powershell.exe 4492 powershell.exe 4492 powershell.exe 4880 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 4880 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 1268 powershell.exe 1268 powershell.exe 1268 powershell.exe 2644 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 2644 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 2644 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 2644 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 2644 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 2644 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 2644 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 2644 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 2644 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 2644 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 4580 powershell.exe 4580 powershell.exe 4580 powershell.exe 3964 powershell.exe 3964 powershell.exe 3964 powershell.exe 4300 powershell.exe 4300 powershell.exe 4300 powershell.exe 1572 powershell.exe 1572 powershell.exe 1572 powershell.exe 3220 powershell.exe 3220 powershell.exe 3220 powershell.exe 2064 injector.exe 2064 injector.exe 2064 injector.exe 2064 injector.exe 2064 injector.exe 2064 injector.exe 2064 injector.exe 2064 injector.exe 1996 csrss.exe 1996 csrss.exe 2064 injector.exe 2064 injector.exe 2064 injector.exe 2064 injector.exe 2064 injector.exe 2064 injector.exe 1996 csrss.exe 1996 csrss.exe 2064 injector.exe 2064 injector.exe 1996 csrss.exe 1996 csrss.exe 2064 injector.exe 2064 injector.exe 2064 injector.exe 2064 injector.exe 2064 injector.exe 2064 injector.exe 2064 injector.exe 2064 injector.exe 2064 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4492 powershell.exe Token: SeDebugPrivilege 4880 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe Token: SeImpersonatePrivilege 4880 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe Token: SeDebugPrivilege 1268 powershell.exe Token: SeDebugPrivilege 4580 powershell.exe Token: SeDebugPrivilege 3964 powershell.exe Token: SeDebugPrivilege 4300 powershell.exe Token: SeDebugPrivilege 1572 powershell.exe Token: SeDebugPrivilege 3220 powershell.exe Token: SeSystemEnvironmentPrivilege 1996 csrss.exe Token: SeSecurityPrivilege 3644 sc.exe Token: SeSecurityPrivilege 3644 sc.exe -
Suspicious use of WriteProcessMemory 33 IoCs
description pid Process procid_target PID 4880 wrote to memory of 4492 4880 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 95 PID 4880 wrote to memory of 4492 4880 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 95 PID 4880 wrote to memory of 4492 4880 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 95 PID 2644 wrote to memory of 1268 2644 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 108 PID 2644 wrote to memory of 1268 2644 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 108 PID 2644 wrote to memory of 1268 2644 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 108 PID 2644 wrote to memory of 3680 2644 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 111 PID 2644 wrote to memory of 3680 2644 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 111 PID 3680 wrote to memory of 4332 3680 cmd.exe 113 PID 3680 wrote to memory of 4332 3680 cmd.exe 113 PID 2644 wrote to memory of 4580 2644 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 114 PID 2644 wrote to memory of 4580 2644 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 114 PID 2644 wrote to memory of 4580 2644 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 114 PID 2644 wrote to memory of 3964 2644 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 116 PID 2644 wrote to memory of 3964 2644 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 116 PID 2644 wrote to memory of 3964 2644 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 116 PID 2644 wrote to memory of 1996 2644 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 118 PID 2644 wrote to memory of 1996 2644 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 118 PID 2644 wrote to memory of 1996 2644 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 118 PID 1996 wrote to memory of 4300 1996 csrss.exe 119 PID 1996 wrote to memory of 4300 1996 csrss.exe 119 PID 1996 wrote to memory of 4300 1996 csrss.exe 119 PID 1996 wrote to memory of 1572 1996 csrss.exe 124 PID 1996 wrote to memory of 1572 1996 csrss.exe 124 PID 1996 wrote to memory of 1572 1996 csrss.exe 124 PID 1996 wrote to memory of 3220 1996 csrss.exe 127 PID 1996 wrote to memory of 3220 1996 csrss.exe 127 PID 1996 wrote to memory of 3220 1996 csrss.exe 127 PID 1996 wrote to memory of 2064 1996 csrss.exe 130 PID 1996 wrote to memory of 2064 1996 csrss.exe 130 PID 1384 wrote to memory of 3644 1384 cmd.exe 138 PID 1384 wrote to memory of 3644 1384 cmd.exe 138 PID 1384 wrote to memory of 3644 1384 cmd.exe 138 -
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\553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe"C:\Users\Admin\AppData\Local\Temp\553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4880 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4492
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C:\Users\Admin\AppData\Local\Temp\553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe"C:\Users\Admin\AppData\Local\Temp\553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.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:2644 -
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:1268
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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:3680 -
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:4332
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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:4580
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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:3964
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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:1996 -
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:4300
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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:1472
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3424
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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:1572
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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:3220
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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:2064
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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:452
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
PID:2500 -
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:1384 -
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:3644
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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=4176,i,5711962389779687290,1245653010537220991,262144 --variations-seed-version --mojo-platform-channel-handle=4084 /prefetch:81⤵PID:4844
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1488
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
MD5bd89dccafd7c7900c7e5431eb51acb19
SHA1bc17ff1ac43cc8f845ee586ad6218c150d78d908
SHA25679eeed6fbb717de4391c003cda1289a9ab853ebbfd18cc9087034c0628bc1cdc
SHA512534fda656bdb852f804107fbb812fcf548a72eae7f10fbff0a4663a9a15033781d93f36e032966a4b2bb5551c04ca2f48acef30224521bf875a40c2280a28a2c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b536bde73c17f82b5d181c08e3deaff1
SHA12c42fdeae4f9a22a0b75f13decefa588a9f70cc9
SHA256b64cd6353791d738ab91f5e7cf23adfb1df2dbd2c6024910191e415e32861df4
SHA5124b76a8c38b7c0e09b433fd3ffba5f593f94c3851cdb271092951cadb9a52a5c97f5136c7604905139c3e72f80a173b3b8b772a80081690323f420eccab36b780
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD522d81d78cde0ca2e184730a01c0bc306
SHA1c0ba642aa4bc0b2949a5a74a94e32fec68b69a70
SHA256b08dd24f049ae39094284b26e203ef7769e9f881bb5b7704c0b74db67147cc87
SHA5121b0da47f02f3eca56f592aa98b598986ff9be2cb585ce8a51f14c18a1be0efdee0cec8031adc5d431253ecc911a54231cf4aea36444d250b1415fee6be2caaaa
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c2feb5569e6ada2a6ced10247258cd46
SHA1160626ffce176b3bf3bc1e3d26a83f4a16aa2b48
SHA2566e0e4ef47d7d05ce4430e51590190bb37e114743363b2da2cbe19507bb60e703
SHA5127645530e4ca25f0824a7ef78453e2b933e9015fa9b50e2e624cd094ee9d944cca7d80038c3bd13c3e91663ac8d806ae7f4634df679c63965c5c29218b026bbd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50de5a77955fcf26df5e82e605d2ecc57
SHA1cc665a370a5b7650c263c47d7c04e6aef9780b29
SHA256accf519bcadf87ca74c6349d37bc5839fd9d78e2dd4812fcd021c29de3903828
SHA512766271887cd3f05ae3f551058bee04fbb7bc639278d3a57266624bd9d22c6e53b482857f998efedff98bc5de494aea639c12787e4a9e47b10a9b29f249c522d7
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Filesize
4.1MB
MD5fa6737ca1a0116675d3ff690c956fa00
SHA1445e979c6bcfaeb98d3e3829b618719d621faf77
SHA256553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e
SHA512c31f8b3690992c5001824e5f571f00b7dc5fd6d0e4c9b9e8e388cfabb30bc297efb28c94d7315829b68242f568047195c780aec7b996c5506351fd1af41b3355
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec