Analysis
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max time kernel
150s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
25-04-2024 12:46
Static task
static1
Behavioral task
behavioral1
Sample
5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe
Resource
win10v2004-20240412-en
General
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Target
5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe
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Size
4.2MB
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MD5
edb747df35bbc58371e0251806a4fbd1
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SHA1
2c5db0c9b9c1667152d50572fd797e8d9ede5cc1
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SHA256
5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9
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SHA512
afe3812b26f847fd4f4c8ef49c0c2d021e4154d3899fae6a9d220850a4b6d0b90b822644876998aa89efbea464c90b34a7802fc3b59217cfc51b58b74d1eb9bd
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SSDEEP
98304:JlPNnLMcliXgk6mZUGEiVLqbbhuqLV4AlEjP7t:JlP9LMc0wkDbEiV0LVIB
Malware Config
Signatures
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Glupteba payload 17 IoCs
Processes:
resource yara_rule behavioral1/memory/680-2-0x00000000052B0000-0x0000000005B9B000-memory.dmp family_glupteba behavioral1/memory/680-3-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/680-53-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/680-55-0x00000000052B0000-0x0000000005B9B000-memory.dmp family_glupteba behavioral1/memory/4700-57-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/4700-105-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/4700-155-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/3800-191-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/3800-260-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/3800-269-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/3800-271-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/3800-273-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/3800-275-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/3800-277-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/3800-279-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/3800-281-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba behavioral1/memory/3800-283-0x0000000000400000-0x000000000300B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 4224 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 3800 csrss.exe 3008 injector.exe 3120 windefender.exe 2780 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/3120-267-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2780-270-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2780-274-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe Set value (str) \REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\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.
Processes:
csrss.exedescription ioc process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription 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.
Processes:
5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe -
Drops file in Windows directory 4 IoCs
Processes:
5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.execsrss.exedescription ioc process File created C:\Windows\rss\csrss.exe 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe 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 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid process 4828 sc.exe -
Program crash 6 IoCs
Processes:
WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exepid pid_target process target process 4360 680 WerFault.exe 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe 1080 680 WerFault.exe 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe 2968 680 WerFault.exe 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe 976 4700 WerFault.exe 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe 2264 4700 WerFault.exe 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe 4076 4700 WerFault.exe 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 3600 schtasks.exe 2052 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exewindefender.exe5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs 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,-742 = "New Zealand Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard 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,-661 = "Cen. Australia Daylight Time" 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-251 = "Dateline 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\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.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,-732 = "Fiji Standard Time" 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.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,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.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\26\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exepowershell.exe5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 1340 powershell.exe 1340 powershell.exe 680 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe 680 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe 4716 powershell.exe 4716 powershell.exe 4716 powershell.exe 4700 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe 4700 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe 4700 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe 4700 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe 4700 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe 4700 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe 4700 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe 4700 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe 4700 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe 4700 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe 3908 powershell.exe 3908 powershell.exe 3908 powershell.exe 4416 powershell.exe 4416 powershell.exe 4416 powershell.exe 1216 powershell.exe 1216 powershell.exe 1216 powershell.exe 4964 powershell.exe 4964 powershell.exe 4964 powershell.exe 4708 powershell.exe 4708 powershell.exe 4708 powershell.exe 3008 injector.exe 3008 injector.exe 3008 injector.exe 3008 injector.exe 3008 injector.exe 3008 injector.exe 3800 csrss.exe 3800 csrss.exe 3008 injector.exe 3008 injector.exe 3008 injector.exe 3008 injector.exe 3008 injector.exe 3008 injector.exe 3800 csrss.exe 3800 csrss.exe 3008 injector.exe 3008 injector.exe 3008 injector.exe 3008 injector.exe 3008 injector.exe 3008 injector.exe 3800 csrss.exe 3800 csrss.exe 3008 injector.exe 3008 injector.exe 3008 injector.exe 3008 injector.exe 3008 injector.exe 3008 injector.exe 3008 injector.exe 3008 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 1340 powershell.exe Token: SeDebugPrivilege 680 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe Token: SeImpersonatePrivilege 680 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe Token: SeDebugPrivilege 4716 powershell.exe Token: SeDebugPrivilege 3908 powershell.exe Token: SeDebugPrivilege 4416 powershell.exe Token: SeDebugPrivilege 1216 powershell.exe Token: SeDebugPrivilege 4964 powershell.exe Token: SeDebugPrivilege 4708 powershell.exe Token: SeSystemEnvironmentPrivilege 3800 csrss.exe Token: SeSecurityPrivilege 4828 sc.exe Token: SeSecurityPrivilege 4828 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 680 wrote to memory of 1340 680 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe powershell.exe PID 680 wrote to memory of 1340 680 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe powershell.exe PID 680 wrote to memory of 1340 680 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe powershell.exe PID 4700 wrote to memory of 4716 4700 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe powershell.exe PID 4700 wrote to memory of 4716 4700 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe powershell.exe PID 4700 wrote to memory of 4716 4700 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe powershell.exe PID 4700 wrote to memory of 3592 4700 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe cmd.exe PID 4700 wrote to memory of 3592 4700 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe cmd.exe PID 3592 wrote to memory of 4224 3592 cmd.exe netsh.exe PID 3592 wrote to memory of 4224 3592 cmd.exe netsh.exe PID 4700 wrote to memory of 3908 4700 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe powershell.exe PID 4700 wrote to memory of 3908 4700 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe powershell.exe PID 4700 wrote to memory of 3908 4700 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe powershell.exe PID 4700 wrote to memory of 4416 4700 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe powershell.exe PID 4700 wrote to memory of 4416 4700 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe powershell.exe PID 4700 wrote to memory of 4416 4700 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe powershell.exe PID 4700 wrote to memory of 3800 4700 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe csrss.exe PID 4700 wrote to memory of 3800 4700 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe csrss.exe PID 4700 wrote to memory of 3800 4700 5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe csrss.exe PID 3800 wrote to memory of 1216 3800 csrss.exe powershell.exe PID 3800 wrote to memory of 1216 3800 csrss.exe powershell.exe PID 3800 wrote to memory of 1216 3800 csrss.exe powershell.exe PID 3800 wrote to memory of 4964 3800 csrss.exe powershell.exe PID 3800 wrote to memory of 4964 3800 csrss.exe powershell.exe PID 3800 wrote to memory of 4964 3800 csrss.exe powershell.exe PID 3800 wrote to memory of 4708 3800 csrss.exe powershell.exe PID 3800 wrote to memory of 4708 3800 csrss.exe powershell.exe PID 3800 wrote to memory of 4708 3800 csrss.exe powershell.exe PID 3800 wrote to memory of 3008 3800 csrss.exe injector.exe PID 3800 wrote to memory of 3008 3800 csrss.exe injector.exe PID 3120 wrote to memory of 840 3120 windefender.exe cmd.exe PID 3120 wrote to memory of 840 3120 windefender.exe cmd.exe PID 3120 wrote to memory of 840 3120 windefender.exe cmd.exe PID 840 wrote to memory of 4828 840 cmd.exe sc.exe PID 840 wrote to memory of 4828 840 cmd.exe sc.exe PID 840 wrote to memory of 4828 840 cmd.exe sc.exe -
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\5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe"C:\Users\Admin\AppData\Local\Temp\5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:680 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1340 -
C:\Users\Admin\AppData\Local\Temp\5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.exe"C:\Users\Admin\AppData\Local\Temp\5d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9.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:4700 -
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:4716 -
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:3592 -
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:4224 -
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:3908 -
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:4416 -
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:3800 -
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:1216 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3600 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3948
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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:4964 -
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:4708 -
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:3008 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2052 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3120 -
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:840 -
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:4828 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4700 -s 8603⤵
- Program crash
PID:976 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4700 -s 8843⤵
- Program crash
PID:2264 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4700 -s 8883⤵
- Program crash
PID:4076 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 680 -s 9122⤵
- Program crash
PID:4360 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 680 -s 8082⤵
- Program crash
PID:1080 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 680 -s 6762⤵
- Program crash
PID:2968
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 680 -ip 6801⤵PID:2448
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 680 -ip 6801⤵PID:3676
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 680 -ip 6801⤵PID:2928
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4700 -ip 47001⤵PID:3200
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4700 -ip 47001⤵PID:1220
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4700 -ip 47001⤵PID:1404
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2780
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
MD5dd4dad7f3b1e9fd4b707727e949fb3b4
SHA18a780643d441ba723d7970d44c09bf69a8e3552f
SHA25698aca9cb1dda5c8a7e7aadbe11957a331d04be1552f0d1b309636e260763c39f
SHA5129027e8d261797c5a2b45059b91a202710a6d61d3b5bd4d1491c4f5a62af7d4e7d1405044618690f0e2bf27ecea83b65b7168d4246468527aba024f4649f34dd8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55859d21699af407eb7eb6fd58e6bf76c
SHA11b702d25252b92de0cf0d58fbee1dad66391b301
SHA256c3baf18d2a351be050643720c781a0d23fc7fe60be9d5e4fd7245192cc27eefb
SHA5121fc7b9696000a3b041204b3b6a73e25fd2cd5d3a488a75b63df15fe6ee9987cc6847ad76b5be1e94bc8ff159ac3356399f3b51ab5326fe7d4b0fc15aa2b91ba2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59e45a036b25a30773dec316509d17f1f
SHA1d2e965290af507a6f41aaded9ae2f77f56c5cd5a
SHA2564bd906ef1359a97c1e5ab2ef0b03003bbfcea2bda978509b0b02dc600d58ad45
SHA512edec417e8d0281620f0482dc31833386615bdc9bf64f428a29cac2529c49c8e7afc80a2caf46634975fdb29a5f6afe1eb901cfd37b06ac0be1437450b160e514
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59819192a6f186cfa7945d7a390cc70ca
SHA19b5dbc109f0bd495a6ee2e2551c2ad6bb3c31f30
SHA2566d39ce4e2e2f762c3da8d80c53c18196ecfbfb5536cc4db12e0b89b7e2a58727
SHA5124ab219f013e64fecf15f56eebe58d8797be7d9729b71fe64edb009a4c876e036578a24d65a38d8dbcbfb4481ffb43b9897e87c2ffa35daf4f8aa9ef7501ac2e7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51dc297677d8156b2120d0f1e66ab3b82
SHA16674220c126eb703016a426bee943ecb0895e767
SHA256d5c26c57d9704f8bbcafb075fcf0ca0bd081bbf3ac2269afaf2c75302e1610e8
SHA512b7eb3b300a43f7b971663fc9735fc9707d2fbc805d66c27a013e4ba35a018c53b537dced7cce50e3a51ca87174d2ee08b8732b4e15bb73f0b295cee0e302e490
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Filesize
4.2MB
MD5edb747df35bbc58371e0251806a4fbd1
SHA12c5db0c9b9c1667152d50572fd797e8d9ede5cc1
SHA2565d007dac8451bd9efd75711f95a4f65c3d41f3aeac5b36eca81a7e88022d4fd9
SHA512afe3812b26f847fd4f4c8ef49c0c2d021e4154d3899fae6a9d220850a4b6d0b90b822644876998aa89efbea464c90b34a7802fc3b59217cfc51b58b74d1eb9bd
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec