Analysis
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max time kernel
150s -
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
25-04-2024 07:17
Static task
static1
Behavioral task
behavioral1
Sample
872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe
Resource
win10v2004-20240412-en
General
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Target
872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe
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Size
4.2MB
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MD5
d5f0ae5281207278ce25c6f64eab1df5
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SHA1
ce716504c1f43c697b88026a243049f7efabada6
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SHA256
872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171
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SHA512
296e5927b766759b4e61fd5ec74c525ba0131934d822a3f6666b2ce9e7754fc9f49a7e1854b24521ccf1d93299657712c3dcc5e9577eb1d33c1f8f9a3b25fb06
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SSDEEP
98304:9Psj8nM8f9N7dpNQ5A13kFnblxOFQG3eoyMtxZa:xKe9pO6ublAFHdDtxI
Malware Config
Signatures
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Glupteba payload 18 IoCs
Processes:
resource yara_rule behavioral1/memory/2628-2-0x00000000050E0000-0x00000000059CB000-memory.dmp family_glupteba behavioral1/memory/2628-3-0x0000000000400000-0x000000000300A000-memory.dmp family_glupteba behavioral1/memory/2628-54-0x0000000000400000-0x000000000300A000-memory.dmp family_glupteba behavioral1/memory/2628-55-0x00000000050E0000-0x00000000059CB000-memory.dmp family_glupteba behavioral1/memory/2844-58-0x0000000000400000-0x000000000300A000-memory.dmp family_glupteba behavioral1/memory/2844-94-0x0000000000400000-0x000000000300A000-memory.dmp family_glupteba behavioral1/memory/2844-120-0x0000000003580000-0x0000000003983000-memory.dmp family_glupteba behavioral1/memory/2844-158-0x0000000000400000-0x000000000300A000-memory.dmp family_glupteba behavioral1/memory/3396-194-0x0000000000400000-0x000000000300A000-memory.dmp family_glupteba behavioral1/memory/3396-263-0x0000000000400000-0x000000000300A000-memory.dmp family_glupteba behavioral1/memory/3396-272-0x0000000000400000-0x000000000300A000-memory.dmp family_glupteba behavioral1/memory/3396-275-0x0000000000400000-0x000000000300A000-memory.dmp family_glupteba behavioral1/memory/3396-278-0x0000000000400000-0x000000000300A000-memory.dmp family_glupteba behavioral1/memory/3396-281-0x0000000000400000-0x000000000300A000-memory.dmp family_glupteba behavioral1/memory/3396-284-0x0000000000400000-0x000000000300A000-memory.dmp family_glupteba behavioral1/memory/3396-287-0x0000000000400000-0x000000000300A000-memory.dmp family_glupteba behavioral1/memory/3396-290-0x0000000000400000-0x000000000300A000-memory.dmp family_glupteba behavioral1/memory/3396-293-0x0000000000400000-0x000000000300A000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 3936 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 3396 csrss.exe 4804 injector.exe 2380 windefender.exe 2316 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/2380-271-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2316-274-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2316-280-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.execsrss.exedescription 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\"" 872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.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.
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:
872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe -
Drops file in Windows directory 4 IoCs
Processes:
872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.execsrss.exedescription ioc process File opened for modification C:\Windows\rss 872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe File created C:\Windows\rss\csrss.exe 872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.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 2032 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 4624 schtasks.exe 2984 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exewindefender.exe872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-961 = "Paraguay 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,-2041 = "Eastern Daylight Time (Mexico)" 872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.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\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.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,-391 = "Arab Daylight Time" windefender.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\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.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,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates 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,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.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,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\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,-511 = "Central Asia Daylight Time" 872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exepowershell.exe872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 4700 powershell.exe 4700 powershell.exe 2628 872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe 2628 872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe 5000 powershell.exe 5000 powershell.exe 5000 powershell.exe 2844 872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe 2844 872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe 2844 872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe 2844 872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe 2844 872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe 2844 872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe 2844 872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe 2844 872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe 2844 872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe 2844 872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe 1164 powershell.exe 1164 powershell.exe 1164 powershell.exe 5016 powershell.exe 5016 powershell.exe 5016 powershell.exe 4964 powershell.exe 4964 powershell.exe 4964 powershell.exe 4700 powershell.exe 4700 powershell.exe 4700 powershell.exe 4008 powershell.exe 4008 powershell.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 3396 csrss.exe 3396 csrss.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 3396 csrss.exe 3396 csrss.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 3396 csrss.exe 3396 csrss.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe 4804 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 4700 powershell.exe Token: SeDebugPrivilege 2628 872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe Token: SeImpersonatePrivilege 2628 872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe Token: SeDebugPrivilege 5000 powershell.exe Token: SeDebugPrivilege 1164 powershell.exe Token: SeDebugPrivilege 5016 powershell.exe Token: SeDebugPrivilege 4964 powershell.exe Token: SeDebugPrivilege 4700 powershell.exe Token: SeDebugPrivilege 4008 powershell.exe Token: SeSystemEnvironmentPrivilege 3396 csrss.exe Token: SeSecurityPrivilege 2032 sc.exe Token: SeSecurityPrivilege 2032 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 2628 wrote to memory of 4700 2628 872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe powershell.exe PID 2628 wrote to memory of 4700 2628 872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe powershell.exe PID 2628 wrote to memory of 4700 2628 872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe powershell.exe PID 2844 wrote to memory of 5000 2844 872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe powershell.exe PID 2844 wrote to memory of 5000 2844 872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe powershell.exe PID 2844 wrote to memory of 5000 2844 872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe powershell.exe PID 2844 wrote to memory of 1032 2844 872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe cmd.exe PID 2844 wrote to memory of 1032 2844 872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe cmd.exe PID 1032 wrote to memory of 3936 1032 cmd.exe netsh.exe PID 1032 wrote to memory of 3936 1032 cmd.exe netsh.exe PID 2844 wrote to memory of 1164 2844 872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe powershell.exe PID 2844 wrote to memory of 1164 2844 872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe powershell.exe PID 2844 wrote to memory of 1164 2844 872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe powershell.exe PID 2844 wrote to memory of 5016 2844 872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe powershell.exe PID 2844 wrote to memory of 5016 2844 872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe powershell.exe PID 2844 wrote to memory of 5016 2844 872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe powershell.exe PID 2844 wrote to memory of 3396 2844 872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe csrss.exe PID 2844 wrote to memory of 3396 2844 872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe csrss.exe PID 2844 wrote to memory of 3396 2844 872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe csrss.exe PID 3396 wrote to memory of 4964 3396 csrss.exe powershell.exe PID 3396 wrote to memory of 4964 3396 csrss.exe powershell.exe PID 3396 wrote to memory of 4964 3396 csrss.exe powershell.exe PID 3396 wrote to memory of 4700 3396 csrss.exe powershell.exe PID 3396 wrote to memory of 4700 3396 csrss.exe powershell.exe PID 3396 wrote to memory of 4700 3396 csrss.exe powershell.exe PID 3396 wrote to memory of 4008 3396 csrss.exe powershell.exe PID 3396 wrote to memory of 4008 3396 csrss.exe powershell.exe PID 3396 wrote to memory of 4008 3396 csrss.exe powershell.exe PID 3396 wrote to memory of 4804 3396 csrss.exe injector.exe PID 3396 wrote to memory of 4804 3396 csrss.exe injector.exe PID 2380 wrote to memory of 4312 2380 windefender.exe cmd.exe PID 2380 wrote to memory of 4312 2380 windefender.exe cmd.exe PID 2380 wrote to memory of 4312 2380 windefender.exe cmd.exe PID 4312 wrote to memory of 2032 4312 cmd.exe sc.exe PID 4312 wrote to memory of 2032 4312 cmd.exe sc.exe PID 4312 wrote to memory of 2032 4312 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\872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe"C:\Users\Admin\AppData\Local\Temp\872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2628 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4700
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C:\Users\Admin\AppData\Local\Temp\872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.exe"C:\Users\Admin\AppData\Local\Temp\872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171.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:2844 -
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:5000
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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:1032 -
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:3936
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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:1164
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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:5016
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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:3396 -
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
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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:2984
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2744
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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:4700
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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:4008
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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:4804
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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:4624
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2380 -
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:4312 -
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:2032
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2316
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
MD5021c8674f478c1bf1f9abd4b024df682
SHA1e2f842910eec2096a1b8cc62bb961d4d952e55b3
SHA2563ba2503371faea06dc699b5907a39088bcee5735b87bdf3e720b4f88e9fd514d
SHA5128b79c157e66e5c7d55906cc6dd9042b743c0a5487ddefd25f10a4068da22da07abea20a6c8d76180010caaea4906b929fdb7fae24b410a09791371f09e7bc43d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52e1b3b4eadd5f8f04ef70feb98fa4cc8
SHA140e6b926a3fadefcf8df75de91265789ee1696ab
SHA25699e9372e209c55bc7c488d7fbfe47ab8ce1b1fd2d792b68b1f09cfbf7a73fdfc
SHA51253c5aa689e7287c5b418c476c69b981f2811e8d8f051c224b142be990bf6b6e15c428efe15007c91f82a1f1bb009357d5da6c06403c1fff9a1e61fae4c9decb9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5621639bcfdecabd024c2fb21bf8deee9
SHA181a22aace74872e8beccead5d69b256827550b63
SHA2566722ebae57afd9c50152b5cfabb667e3cc23980122f435002ec5bb52bb90ebb1
SHA512810517fd4d5231e4a1c927288486356176b62ad5a28596eb6dbc8a55314bf251627ce7c473dd52109f6e16b46c6a1fdefa68ad59730fd65a114a56a1b65049e3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52198db2ff499e776449a9cae2b275106
SHA1ea9296d8c483fb0ef7663ebd24c7d3ff5e72b190
SHA256154369b30a23d97af80cbf8a71347986c48aaf42a0cd212d408dd51762ee487e
SHA51270aa9acb14d6bd1bddc2b62ebc1c78e81275064693d2d6d53abaa248994a5c6956bce45fa2f8b08d51e9046b4b2362ee0e75d33eab85fccb42cc3d8c23fd1dbf
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fe4b23d6f13595a9f98741258896f1eb
SHA1a1aee284bdcad6145f3aa431c30456a352231633
SHA2565cd4dc7e8b8158c3d459f0bb94270a745fea27fe7ddf0e4e6774452d447af58d
SHA5127e44bdf3e59409b6a1b6b6d596ba3eb9bf92a2eb494226caa6f7f434b363a1c097c7e7104944ba679f396d09a172eed42d78895513f15f1544ea2a89687e825d
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Filesize
4.2MB
MD5d5f0ae5281207278ce25c6f64eab1df5
SHA1ce716504c1f43c697b88026a243049f7efabada6
SHA256872bbef0cacbae9ed09d525bf507fa7b3261d30fe805b78d6c856a27f8501171
SHA512296e5927b766759b4e61fd5ec74c525ba0131934d822a3f6666b2ce9e7754fc9f49a7e1854b24521ccf1d93299657712c3dcc5e9577eb1d33c1f8f9a3b25fb06
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec