Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
24-04-2024 16:29
Static task
static1
Behavioral task
behavioral1
Sample
e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe
Resource
win10v2004-20240412-en
General
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Target
e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe
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Size
4.1MB
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MD5
fdd73adc7baa748dcf8dbbf72fcf04cc
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SHA1
9a6f7fe892b8f296884c2a8498a7af6739794ffd
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SHA256
e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87
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SHA512
b2eeedb9003394ccf7720f88fef98110dd75aba0ea5f82b3f7f9f00e8e9dccc6d5d975555acf88f4198903b89d702e71d633af17a9d39ae95b490cf4ba4dd0d3
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SSDEEP
98304:1FddrpuoRE7tl1yJ8vae/QmLpm2XHwIZYQzHZc5g5rp30lCUP:fLdBQ1yJ8Sedm2XHUQNc5Xg+
Malware Config
Signatures
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Glupteba payload 17 IoCs
Processes:
resource yara_rule behavioral1/memory/2584-2-0x00000000064F0000-0x0000000006DDB000-memory.dmp family_glupteba behavioral1/memory/2584-53-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral1/memory/2584-56-0x00000000064F0000-0x0000000006DDB000-memory.dmp family_glupteba behavioral1/memory/2040-235-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral1/memory/3956-256-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral1/memory/3956-266-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral1/memory/3956-269-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral1/memory/3956-272-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral1/memory/3956-275-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral1/memory/3956-278-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral1/memory/3956-281-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral1/memory/3956-284-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral1/memory/3956-287-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral1/memory/3956-290-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral1/memory/3956-293-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral1/memory/3956-296-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral1/memory/3956-299-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 4468 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 3956 csrss.exe 4276 injector.exe 2368 windefender.exe 2968 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/2368-265-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2968-268-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2968-274-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe Set value (str) \REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\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 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 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:
e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe -
Drops file in Windows directory 4 IoCs
Processes:
e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.execsrss.exedescription ioc process File opened for modification C:\Windows\rss e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe File created C:\Windows\rss\csrss.exe e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.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.
Processes:
sc.exepid process 484 sc.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 3100 schtasks.exe 3908 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.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,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.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\26\52C64B7E\@tzres.dll,-1972 = "Belarus Standard 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" e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs 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,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.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 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\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,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs 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\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-391 = "Arab Daylight 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" e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exee08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exepowershell.exee08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 3100 powershell.exe 3100 powershell.exe 2584 e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe 2584 e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe 484 powershell.exe 484 powershell.exe 484 powershell.exe 2040 e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe 2040 e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe 2040 e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe 2040 e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe 2040 e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe 2040 e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe 2040 e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe 2040 e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe 2040 e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe 2040 e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe 1924 powershell.exe 1924 powershell.exe 1924 powershell.exe 2440 powershell.exe 2440 powershell.exe 2440 powershell.exe 4004 powershell.exe 4004 powershell.exe 4004 powershell.exe 4856 powershell.exe 4856 powershell.exe 4856 powershell.exe 5080 powershell.exe 5080 powershell.exe 5080 powershell.exe 4276 injector.exe 4276 injector.exe 4276 injector.exe 4276 injector.exe 4276 injector.exe 4276 injector.exe 3956 csrss.exe 3956 csrss.exe 4276 injector.exe 4276 injector.exe 4276 injector.exe 4276 injector.exe 4276 injector.exe 4276 injector.exe 3956 csrss.exe 3956 csrss.exe 4276 injector.exe 4276 injector.exe 4276 injector.exe 4276 injector.exe 4276 injector.exe 4276 injector.exe 4276 injector.exe 4276 injector.exe 3956 csrss.exe 3956 csrss.exe 4276 injector.exe 4276 injector.exe 4276 injector.exe 4276 injector.exe 4276 injector.exe 4276 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exee08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 3100 powershell.exe Token: SeDebugPrivilege 2584 e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe Token: SeImpersonatePrivilege 2584 e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe Token: SeDebugPrivilege 484 powershell.exe Token: SeDebugPrivilege 1924 powershell.exe Token: SeDebugPrivilege 2440 powershell.exe Token: SeDebugPrivilege 4004 powershell.exe Token: SeDebugPrivilege 4856 powershell.exe Token: SeDebugPrivilege 5080 powershell.exe Token: SeSystemEnvironmentPrivilege 3956 csrss.exe Token: SeSecurityPrivilege 484 sc.exe Token: SeSecurityPrivilege 484 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exee08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 2584 wrote to memory of 3100 2584 e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe schtasks.exe PID 2584 wrote to memory of 3100 2584 e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe schtasks.exe PID 2584 wrote to memory of 3100 2584 e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe schtasks.exe PID 2040 wrote to memory of 484 2040 e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe sc.exe PID 2040 wrote to memory of 484 2040 e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe sc.exe PID 2040 wrote to memory of 484 2040 e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe sc.exe PID 2040 wrote to memory of 4412 2040 e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe Conhost.exe PID 2040 wrote to memory of 4412 2040 e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe Conhost.exe PID 4412 wrote to memory of 4468 4412 cmd.exe netsh.exe PID 4412 wrote to memory of 4468 4412 cmd.exe netsh.exe PID 2040 wrote to memory of 1924 2040 e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe schtasks.exe PID 2040 wrote to memory of 1924 2040 e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe schtasks.exe PID 2040 wrote to memory of 1924 2040 e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe schtasks.exe PID 2040 wrote to memory of 2440 2040 e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe powershell.exe PID 2040 wrote to memory of 2440 2040 e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe powershell.exe PID 2040 wrote to memory of 2440 2040 e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe powershell.exe PID 2040 wrote to memory of 3956 2040 e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe csrss.exe PID 2040 wrote to memory of 3956 2040 e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe csrss.exe PID 2040 wrote to memory of 3956 2040 e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe csrss.exe PID 3956 wrote to memory of 4004 3956 csrss.exe powershell.exe PID 3956 wrote to memory of 4004 3956 csrss.exe powershell.exe PID 3956 wrote to memory of 4004 3956 csrss.exe powershell.exe PID 3956 wrote to memory of 4856 3956 csrss.exe powershell.exe PID 3956 wrote to memory of 4856 3956 csrss.exe powershell.exe PID 3956 wrote to memory of 4856 3956 csrss.exe powershell.exe PID 3956 wrote to memory of 5080 3956 csrss.exe powershell.exe PID 3956 wrote to memory of 5080 3956 csrss.exe powershell.exe PID 3956 wrote to memory of 5080 3956 csrss.exe powershell.exe PID 3956 wrote to memory of 4276 3956 csrss.exe injector.exe PID 3956 wrote to memory of 4276 3956 csrss.exe injector.exe PID 2368 wrote to memory of 3344 2368 windefender.exe cmd.exe PID 2368 wrote to memory of 3344 2368 windefender.exe cmd.exe PID 2368 wrote to memory of 3344 2368 windefender.exe cmd.exe PID 3344 wrote to memory of 484 3344 cmd.exe sc.exe PID 3344 wrote to memory of 484 3344 cmd.exe sc.exe PID 3344 wrote to memory of 484 3344 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\e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe"C:\Users\Admin\AppData\Local\Temp\e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2584 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3100 -
C:\Users\Admin\AppData\Local\Temp\e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.exe"C:\Users\Admin\AppData\Local\Temp\e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87.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:2040 -
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:484 -
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:4412 -
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:4468 -
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:1924 -
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:2440 -
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:3956 -
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:4004 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3100 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1924
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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:4856 -
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:5080 -
C:\Windows\System32\Conhost.exe\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV15⤵PID:4412
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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:4276 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3908 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2368 -
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:3344 -
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:484
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2968
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c4c1b0485495f9dd62694a21dedabf78
SHA1c6d2a67fd20408694b951f8fb29aa8362c678b5f
SHA2568a2780abee1de809452f9cf1dd5c8358f9b48571fd6ba4a4d426e4a439383924
SHA512c52e433ade0292cac8d3c1c34776ef8bb8bb0e61e8f93735e35a64709f48c75af7c5a0fa407da8bc2879f24317900703b6bb7c7bf529e6d19ca5b437ef96b0b6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52db02e571ad9fac11233c7714ffa94c4
SHA194f11d7c35af1a98ef4be5fd302f3606aa1affa1
SHA256b83db656b45004e469603ba801d367a665d8d51658c631ca857ba5549ef27353
SHA5128d22385db3ca130491f3d2eca8874eddf10c906a0beb883d161f136aea5e807be65fca1cabe96a523adaa1df32db9764e3521f6d6331141598797d5871214e8b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d2d38a37bfea12c7a4f763840bf903f9
SHA18df25a6f053ec7765802b51dd6de92518e04087a
SHA256b9ecd0674bca3057185504802082060c0189e069189ce8afa482f7f63267ed20
SHA512b76e29f37911eda9fe338f8c268b3690e603d07a0ef4bd6e67f5fd7614886607f83258ee9768c4ffe2158b4f38f37d68ecf8e979a26a9f75c3bd28f822008815
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52f893019a3f7d870a4afd7e0510c0147
SHA13ecf2d8efa96d6baa8fbb30dafcc5ae322122aa9
SHA256f2057e2aa80f334fe97ba2cdbe014ae7cbf8d96427b2046ee5ec10e2876e149e
SHA512569af8cd62f04c371f9744b2722fc80440c32fcf94c37dc710b35807a1d51efd0c5bd1bb59aa61e870c621ca21c4fecb10205d9adcd741c6dbc63550365551bf
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b914c27c531b310608b947bc011a23db
SHA1f8f18b9683d072a84d8d81d6296eeeb8428f3f8a
SHA25619d9a011210408f35df4693628205798d8d5cc74ca07c081fe32e526ce3843ea
SHA512ba53ba8b7948f165dedb80b484ae62f7c0c71ec98db5732a0f73b1798dc6437a52aa566c01a8137a6e9cd3d2bb9d12fee94c7de2165b72b3090829ebabfcd549
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Filesize
4.1MB
MD5fdd73adc7baa748dcf8dbbf72fcf04cc
SHA19a6f7fe892b8f296884c2a8498a7af6739794ffd
SHA256e08b74f7fa1549e02d58076a75b1cc87e144599d6781cfd10322ea4e2ac89b87
SHA512b2eeedb9003394ccf7720f88fef98110dd75aba0ea5f82b3f7f9f00e8e9dccc6d5d975555acf88f4198903b89d702e71d633af17a9d39ae95b490cf4ba4dd0d3
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec