Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19/04/2024, 19:29
Static task
static1
Behavioral task
behavioral1
Sample
3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe
Resource
win10v2004-20240412-en
General
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Target
3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe
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Size
4.2MB
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MD5
7a2dc660663cb5e5a7be7c9f54a75d32
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SHA1
371a1a0323d026fe98f4e137c77e6ddd36aae7be
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SHA256
3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d
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SHA512
de9b61dbb88bd841b3f660162142990ec732d5de339118be76bb170e992e39425744e31a313563ee0adbc0dc39483d96e8977ea33b5ab703ea52379a3f2d697b
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SSDEEP
98304:rtwUIgr6Tu/hivXD0fl0IvZVjhgp1+mYFjvUcmYnimsjZaHeg:5w6rquKXDtU1Y2GYniVjUHF
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/4472-2-0x0000000004050000-0x000000000493B000-memory.dmp family_glupteba behavioral1/memory/4472-3-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/3792-56-0x0000000003F50000-0x000000000483B000-memory.dmp family_glupteba behavioral1/memory/3792-57-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/4472-83-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/3792-156-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/4652-257-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/4652-267-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/4652-270-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/4652-273-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/4652-276-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/4652-279-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/4652-282-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/4652-285-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/4652-288-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/4652-291-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/4652-294-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/4652-297-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral1/memory/4652-300-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4428 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4652 csrss.exe 1452 injector.exe 1692 windefender.exe 3336 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023422-260.dat upx behavioral1/memory/1692-266-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3336-269-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3336-275-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe Set value (str) \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\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 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 -
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 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe File created C:\Windows\rss\csrss.exe 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3024 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 4592 schtasks.exe 1784 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.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\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 784 powershell.exe 784 powershell.exe 4472 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 4472 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 640 powershell.exe 640 powershell.exe 640 powershell.exe 3792 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 3792 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 3792 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 3792 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 3792 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 3792 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 3792 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 3792 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 3792 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 3792 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 3516 powershell.exe 3516 powershell.exe 3516 powershell.exe 548 powershell.exe 548 powershell.exe 548 powershell.exe 2924 powershell.exe 2924 powershell.exe 2924 powershell.exe 2816 powershell.exe 2816 powershell.exe 2816 powershell.exe 1260 powershell.exe 1260 powershell.exe 1260 powershell.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 4652 csrss.exe 4652 csrss.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 4652 csrss.exe 4652 csrss.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 1452 injector.exe 4652 csrss.exe 4652 csrss.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 784 powershell.exe Token: SeDebugPrivilege 4472 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe Token: SeImpersonatePrivilege 4472 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe Token: SeDebugPrivilege 640 powershell.exe Token: SeDebugPrivilege 3516 powershell.exe Token: SeDebugPrivilege 548 powershell.exe Token: SeDebugPrivilege 2924 powershell.exe Token: SeDebugPrivilege 2816 powershell.exe Token: SeDebugPrivilege 1260 powershell.exe Token: SeSystemEnvironmentPrivilege 4652 csrss.exe Token: SeSecurityPrivilege 3024 sc.exe Token: SeSecurityPrivilege 3024 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4472 wrote to memory of 784 4472 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 87 PID 4472 wrote to memory of 784 4472 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 87 PID 4472 wrote to memory of 784 4472 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 87 PID 3792 wrote to memory of 640 3792 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 96 PID 3792 wrote to memory of 640 3792 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 96 PID 3792 wrote to memory of 640 3792 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 96 PID 3792 wrote to memory of 4608 3792 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 101 PID 3792 wrote to memory of 4608 3792 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 101 PID 4608 wrote to memory of 4428 4608 cmd.exe 103 PID 4608 wrote to memory of 4428 4608 cmd.exe 103 PID 3792 wrote to memory of 3516 3792 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 104 PID 3792 wrote to memory of 3516 3792 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 104 PID 3792 wrote to memory of 3516 3792 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 104 PID 3792 wrote to memory of 548 3792 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 107 PID 3792 wrote to memory of 548 3792 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 107 PID 3792 wrote to memory of 548 3792 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 107 PID 3792 wrote to memory of 4652 3792 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 109 PID 3792 wrote to memory of 4652 3792 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 109 PID 3792 wrote to memory of 4652 3792 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 109 PID 4652 wrote to memory of 2924 4652 csrss.exe 110 PID 4652 wrote to memory of 2924 4652 csrss.exe 110 PID 4652 wrote to memory of 2924 4652 csrss.exe 110 PID 4652 wrote to memory of 2816 4652 csrss.exe 117 PID 4652 wrote to memory of 2816 4652 csrss.exe 117 PID 4652 wrote to memory of 2816 4652 csrss.exe 117 PID 4652 wrote to memory of 1260 4652 csrss.exe 119 PID 4652 wrote to memory of 1260 4652 csrss.exe 119 PID 4652 wrote to memory of 1260 4652 csrss.exe 119 PID 4652 wrote to memory of 1452 4652 csrss.exe 121 PID 4652 wrote to memory of 1452 4652 csrss.exe 121 PID 1692 wrote to memory of 4420 1692 windefender.exe 129 PID 1692 wrote to memory of 4420 1692 windefender.exe 129 PID 1692 wrote to memory of 4420 1692 windefender.exe 129 PID 4420 wrote to memory of 3024 4420 cmd.exe 130 PID 4420 wrote to memory of 3024 4420 cmd.exe 130 PID 4420 wrote to memory of 3024 4420 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\3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe"C:\Users\Admin\AppData\Local\Temp\3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4472 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:784
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C:\Users\Admin\AppData\Local\Temp\3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe"C:\Users\Admin\AppData\Local\Temp\3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.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:3792 -
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:640
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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:4608 -
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:4428
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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:3516
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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:548
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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:4652 -
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:2924
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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:4592
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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
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2816
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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:1260
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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:1784
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1692 -
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:4420 -
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:3024
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3336
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
MD5116a3d632cd08a4f0fcf746c46b86061
SHA1f39ec8458eba73b8580d8155be17f746dd5ec5be
SHA256ebce888f407ce78e4f13c344f100280b94a9b3a4ba6ac561f57827f88700a51a
SHA5122196c5de91a0ebfaddd6034263f7d0d55f3273dfae70b752c805220742bc9ec33931743a933be235fa59cdda1de6504908c34f73884acb7a4fca15c773b45796
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5436ad1a83f08bbc9568004706cb9e96c
SHA17500a352ee891b6d66a41dc3c562a9e3b03b36ff
SHA256c6f74ff0ebbd03d643b1be6db1101986f9f3a98f71f17e42e0eb8d6e253b0660
SHA512c7a7f47923b01e47d60a0cca63ccbe11073388d3690c8ce7c7b1b90600df7ed28d29b53f95f8e93e703a366611f8220662113eceab83d0f6d8025d188e970e75
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5878855d6ecbbb47c6043b6c0373a1285
SHA1f1777bc742d44ea2a1dbcfd4a87e8a3d584f24b2
SHA25686995b81b439bcc9f265cf8dc7b2a7e431c3efa3fa6524b1a5c2296d1842ee57
SHA512d152899978054a8ea9764e8425acc411928e3715bf76f7e8c1a4a58ce1884479759d61aa293f76b2b9e7dbe6c27171970e7802aa316dfbcb11a1e0dfe8f4789e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD540ab768febd53d839b04d301ef8917d7
SHA12b06cf981423646b2ba2de14cfcbdc833ee31f91
SHA2561dd219ef970cec567974c1a28ef1031f213233dd0fa4bbb0b140cc13023de517
SHA5123dc382b0a8e89158cf22080d8edd0410f4b70d2a7a2b9e2b8323f869a59298954558c8d416496d8055ea945912971f329dc6271ab6ed74a8801667d3f4ca31a0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c4a8ab0bdb98718bd6293a3777043a2b
SHA1c7ea59562e7031ece808a1c2fecf46ded1da4a2a
SHA2560ecb5644d567c3d77042b5ed2c77d63c89412c6839d60888df15c63c438f8122
SHA512ee65a3659de8e20eddae2df5064342280dc6ec82177cb5d7d2c46101dade10d99189254ffc677b3bcaddf70fd391e0971a3e40c224745a3eb58fcc36a0017392
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Filesize
4.2MB
MD57a2dc660663cb5e5a7be7c9f54a75d32
SHA1371a1a0323d026fe98f4e137c77e6ddd36aae7be
SHA2563627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d
SHA512de9b61dbb88bd841b3f660162142990ec732d5de339118be76bb170e992e39425744e31a313563ee0adbc0dc39483d96e8977ea33b5ab703ea52379a3f2d697b
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec