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
17-05-2024 19:53
Static task
static1
Behavioral task
behavioral1
Sample
cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe
Resource
win10v2004-20240508-en
General
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Target
cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe
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Size
4.1MB
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MD5
798fe23af2b1e0d2ba98f6b1d4dbba2f
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SHA1
953c71bd1e953cfbbe18d4e9c7631965552609d1
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SHA256
cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881
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SHA512
1fe13cd04ae5ab8f0b6110f16610f07eede0a3ae28bd3490834b85d9c043721d513b12ac0ec199742dbb8d5d3737a0a9f1841396729ed85de2974a2cb91a0403
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SSDEEP
49152:lKSHQE6bCrQt9J2m6qYk0f+BzgqdGFArOOO8EeNSlBbqHPgo81vjAIlxiZQJwt:l1wCr5kG+hEArjFEeNSldQg15xmht
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/1072-2-0x0000000004BB0000-0x000000000549B000-memory.dmp family_glupteba behavioral1/memory/1072-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1072-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1072-57-0x0000000004BB0000-0x000000000549B000-memory.dmp family_glupteba behavioral1/memory/1072-54-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3140-134-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4572-217-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4572-222-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4572-229-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4572-231-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4572-233-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4572-235-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4572-237-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4572-239-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4572-241-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4572-243-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4572-245-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4572-247-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4572-249-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1864 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4572 csrss.exe 1452 injector.exe 3644 windefender.exe 408 windefender.exe -
resource yara_rule behavioral1/files/0x0009000000023551-221.dat upx behavioral1/memory/3644-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/408-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3644-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/408-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/408-234-0x0000000000400000-0x00000000008DF000-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\"" cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.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 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 -
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 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe File created C:\Windows\rss\csrss.exe cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.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 4328 sc.exe -
pid Process 4340 powershell.exe 5060 powershell.exe 1112 powershell.exe 1176 powershell.exe 660 powershell.exe 4156 powershell.exe 1620 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 1984 schtasks.exe 1096 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 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,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.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,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\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,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-691 = "Tasmania 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" cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4156 powershell.exe 4156 powershell.exe 4156 powershell.exe 1072 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 1072 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 1620 powershell.exe 1620 powershell.exe 1620 powershell.exe 3140 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 3140 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 3140 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 3140 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 3140 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 3140 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 3140 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 3140 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 3140 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 3140 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 4340 powershell.exe 4340 powershell.exe 4340 powershell.exe 5060 powershell.exe 5060 powershell.exe 5060 powershell.exe 1112 powershell.exe 1112 powershell.exe 1112 powershell.exe 1176 powershell.exe 1176 powershell.exe 1176 powershell.exe 660 powershell.exe 660 powershell.exe 660 powershell.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 4572 csrss.exe 4572 csrss.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 4572 csrss.exe 4572 csrss.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 4572 csrss.exe 4572 csrss.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4156 powershell.exe Token: SeDebugPrivilege 1072 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe Token: SeImpersonatePrivilege 1072 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe Token: SeDebugPrivilege 1620 powershell.exe Token: SeDebugPrivilege 4340 powershell.exe Token: SeDebugPrivilege 5060 powershell.exe Token: SeDebugPrivilege 1112 powershell.exe Token: SeDebugPrivilege 1176 powershell.exe Token: SeDebugPrivilege 660 powershell.exe Token: SeSystemEnvironmentPrivilege 4572 csrss.exe Token: SeSecurityPrivilege 4328 sc.exe Token: SeSecurityPrivilege 4328 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1072 wrote to memory of 4156 1072 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 93 PID 1072 wrote to memory of 4156 1072 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 93 PID 1072 wrote to memory of 4156 1072 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 93 PID 3140 wrote to memory of 1620 3140 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 105 PID 3140 wrote to memory of 1620 3140 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 105 PID 3140 wrote to memory of 1620 3140 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 105 PID 3140 wrote to memory of 3472 3140 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 108 PID 3140 wrote to memory of 3472 3140 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 108 PID 3472 wrote to memory of 1864 3472 cmd.exe 110 PID 3472 wrote to memory of 1864 3472 cmd.exe 110 PID 3140 wrote to memory of 4340 3140 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 111 PID 3140 wrote to memory of 4340 3140 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 111 PID 3140 wrote to memory of 4340 3140 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 111 PID 3140 wrote to memory of 5060 3140 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 114 PID 3140 wrote to memory of 5060 3140 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 114 PID 3140 wrote to memory of 5060 3140 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 114 PID 3140 wrote to memory of 4572 3140 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 116 PID 3140 wrote to memory of 4572 3140 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 116 PID 3140 wrote to memory of 4572 3140 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 116 PID 4572 wrote to memory of 1112 4572 csrss.exe 117 PID 4572 wrote to memory of 1112 4572 csrss.exe 117 PID 4572 wrote to memory of 1112 4572 csrss.exe 117 PID 4572 wrote to memory of 1176 4572 csrss.exe 123 PID 4572 wrote to memory of 1176 4572 csrss.exe 123 PID 4572 wrote to memory of 1176 4572 csrss.exe 123 PID 4572 wrote to memory of 660 4572 csrss.exe 125 PID 4572 wrote to memory of 660 4572 csrss.exe 125 PID 4572 wrote to memory of 660 4572 csrss.exe 125 PID 4572 wrote to memory of 1452 4572 csrss.exe 127 PID 4572 wrote to memory of 1452 4572 csrss.exe 127 PID 3644 wrote to memory of 3880 3644 windefender.exe 134 PID 3644 wrote to memory of 3880 3644 windefender.exe 134 PID 3644 wrote to memory of 3880 3644 windefender.exe 134 PID 3880 wrote to memory of 4328 3880 cmd.exe 135 PID 3880 wrote to memory of 4328 3880 cmd.exe 135 PID 3880 wrote to memory of 4328 3880 cmd.exe 135 -
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\cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe"C:\Users\Admin\AppData\Local\Temp\cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1072 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4156
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C:\Users\Admin\AppData\Local\Temp\cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe"C:\Users\Admin\AppData\Local\Temp\cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.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:3140 -
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:1620
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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:3472 -
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:1864
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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:4340
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5060
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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:4572 -
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:1112
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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:1984
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:396
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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:1176
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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:660
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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:1452
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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:1096
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3644 -
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:3880 -
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:4328
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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=3148,i,1697479186275492802,18058102846092193784,262144 --variations-seed-version --mojo-platform-channel-handle=4452 /prefetch:81⤵PID:32
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:408
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
MD59eb36835f8b6e784987db8880195ce3d
SHA197db509a812e9faccebd59697cd087f30c3626ee
SHA256222be1a9b79d42c29199ba0fc44e6847aae8bd41ca3f23c9432c67ba92643097
SHA51259d241cec4e50253c589569b89b1c6512c6551691a3c6cd630cb4a7d7ca83ae3501670dab82961239bbdf1c7869c048753ec5d60d1ed726a8f6a9aa8c621a147
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c6ec6460350adaf93bde1276b361d788
SHA110308dcccefe720085efc39cfbf564b0d7533032
SHA256fd43b09d3706992d0cc7e99d0d5e6eb9bc14f460a099a22b9be0d3f35a95eeaa
SHA512dd83f15c5adc4d915c65d74f48e661f72d38eb7636adcb8233340601f7be5d86bf62d445bfd43f311917bd85bc82cb3627f65af1c48bc1c30935698fdc6e4ce4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56def4e000a3d79a4ae54696835f93c4d
SHA1be1db1cc23405f8f4c5ea6e87a9597078fda34cc
SHA25695b48b50aac67f27891decb9963af3f91289c124ffe8c8bed3653b34ec8701e0
SHA512bc295713fc32b5147a463075af7536482b288fb5686791c0ddf6445a1b0da5d968befd46a2c8c872a30fc863bb94633d19d08b67f502f54df0bd480ab4880463
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54abff2f6caa4175e052e3db22483e586
SHA12639888a39863a4751c6bc395cbe0acad2a0fc13
SHA256a62eb1cca50a225e1c8d99fc0036973d3d1d67d13efa6238bd77d59da5786077
SHA512a07ae37e49d233a0323e94b4df6779a6c6f9a3a17ce15c84c7e1623331019d8bb055036a6f77f82d44d55636a8aa4f9bc8c1ceaea46b74ddd197660bed81759b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c6cb84ea53360da7564072fd54360cf5
SHA187d3f68e5da9fdee56c000418c401d59f5fa4808
SHA256dcdee54dbc61945c9de1fadb7f1ccb31e1a5f65502ff5eb3b72e88d27c980346
SHA512ebbe3b96b1dbd1b4009ea4fcb8a5e63ab97da861b9a16182cb3f9bf0ac4fb819fdb78b66698ecee8dc39252382d0d110f2b528c1c2ed8e00a7e7b3fd8fc2cdf9
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Filesize
4.1MB
MD5798fe23af2b1e0d2ba98f6b1d4dbba2f
SHA1953c71bd1e953cfbbe18d4e9c7631965552609d1
SHA256cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881
SHA5121fe13cd04ae5ab8f0b6110f16610f07eede0a3ae28bd3490834b85d9c043721d513b12ac0ec199742dbb8d5d3737a0a9f1841396729ed85de2974a2cb91a0403
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec