Analysis
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max time kernel
150s -
max time network
147s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
07-06-2023 00:59
Static task
static1
General
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Target
f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe
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Size
4.2MB
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MD5
29af0feb50a8312018b17ff0083bb107
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SHA1
98b07f09babe9f5e6d073827476ec98ec58ef3ea
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SHA256
f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd
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SHA512
6c3fc8b269f7cb4ab1c1bc68d2cdfa7c4c237e1e4ed673b00f4b794cff9121091eb5b8fecd43df1a3d0da685340b8840c0debed984058d4e62703f4437d5a871
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SSDEEP
98304:Ufj1qqJsKF48d0lq1tWEW7hhcbSAW+/YMXAe530ShV2WySKE:Y9a8dPCj3cbSm55002b/E
Malware Config
Signatures
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Glupteba payload 16 IoCs
Processes:
resource yara_rule behavioral1/memory/4108-120-0x00000000054B0000-0x0000000005D9B000-memory.dmp family_glupteba behavioral1/memory/4108-266-0x0000000000400000-0x00000000030D0000-memory.dmp family_glupteba behavioral1/memory/4108-417-0x0000000000400000-0x00000000030D0000-memory.dmp family_glupteba behavioral1/memory/4528-654-0x0000000000400000-0x00000000030D0000-memory.dmp family_glupteba behavioral1/memory/4528-838-0x0000000000400000-0x00000000030D0000-memory.dmp family_glupteba behavioral1/memory/4528-1151-0x0000000000400000-0x00000000030D0000-memory.dmp family_glupteba behavioral1/memory/2180-1401-0x0000000000400000-0x00000000030D0000-memory.dmp family_glupteba behavioral1/memory/2180-1663-0x0000000000400000-0x00000000030D0000-memory.dmp family_glupteba behavioral1/memory/2180-1889-0x0000000000400000-0x00000000030D0000-memory.dmp family_glupteba behavioral1/memory/2180-1890-0x0000000000400000-0x00000000030D0000-memory.dmp family_glupteba behavioral1/memory/2180-1891-0x0000000000400000-0x00000000030D0000-memory.dmp family_glupteba behavioral1/memory/2180-1892-0x0000000000400000-0x00000000030D0000-memory.dmp family_glupteba behavioral1/memory/2180-1893-0x0000000000400000-0x00000000030D0000-memory.dmp family_glupteba behavioral1/memory/2180-1894-0x0000000000400000-0x00000000030D0000-memory.dmp family_glupteba behavioral1/memory/2180-1895-0x0000000000400000-0x00000000030D0000-memory.dmp family_glupteba behavioral1/memory/2180-1896-0x0000000000400000-0x00000000030D0000-memory.dmp family_glupteba -
Processes:
f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe = "0" f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
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Executes dropped EXE 2 IoCs
Processes:
csrss.exeinjector.exepid process 2180 csrss.exe 1516 injector.exe -
Processes:
f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe = "0" f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3853465373-1718857667-1861325682-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe Set value (str) \REGISTRY\USER\S-1-5-21-3853465373-1718857667-1861325682-1000\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\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 File created 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:
f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe -
Drops file in Windows directory 2 IoCs
Processes:
f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exedescription ioc process File opened for modification C:\Windows\rss f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe File created C:\Windows\rss\csrss.exe f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.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 5040 schtasks.exe 2184 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exepowershell.exef0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exenetsh.exepowershell.exepowershell.exepowershell.execsrss.exepowershell.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs 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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe Key created \REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Control\NetTrace\Session netsh.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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates 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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe Key created \REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Control netsh.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exef0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exepowershell.exef0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 4652 powershell.exe 4652 powershell.exe 4652 powershell.exe 4108 f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe 4108 f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe 224 powershell.exe 224 powershell.exe 224 powershell.exe 4528 f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe 4528 f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe 4528 f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe 4528 f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe 4528 f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe 4528 f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe 4528 f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe 4528 f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe 4528 f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe 4528 f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe 4228 powershell.exe 4228 powershell.exe 4228 powershell.exe 4768 powershell.exe 4768 powershell.exe 4768 powershell.exe 2444 powershell.exe 2444 powershell.exe 2444 powershell.exe 5116 powershell.exe 5116 powershell.exe 5116 powershell.exe 4396 powershell.exe 4396 powershell.exe 4396 powershell.exe 1516 injector.exe 1516 injector.exe 1516 injector.exe 1516 injector.exe 1516 injector.exe 1516 injector.exe 1516 injector.exe 1516 injector.exe 2180 csrss.exe 2180 csrss.exe 1516 injector.exe 1516 injector.exe 1516 injector.exe 1516 injector.exe 1516 injector.exe 1516 injector.exe 2180 csrss.exe 2180 csrss.exe 1516 injector.exe 1516 injector.exe 1516 injector.exe 1516 injector.exe 1516 injector.exe 1516 injector.exe 1516 injector.exe 1516 injector.exe 1516 injector.exe 1516 injector.exe 1516 injector.exe 1516 injector.exe 1516 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
Processes:
powershell.exef0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exedescription pid process Token: SeDebugPrivilege 4652 powershell.exe Token: SeDebugPrivilege 4108 f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe Token: SeImpersonatePrivilege 4108 f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe Token: SeDebugPrivilege 224 powershell.exe Token: SeDebugPrivilege 4228 powershell.exe Token: SeDebugPrivilege 4768 powershell.exe Token: SeDebugPrivilege 2444 powershell.exe Token: SeDebugPrivilege 5116 powershell.exe Token: SeDebugPrivilege 4396 powershell.exe Token: SeSystemEnvironmentPrivilege 2180 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
Processes:
f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exef0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.execmd.execsrss.exedescription pid process target process PID 4108 wrote to memory of 4652 4108 f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe powershell.exe PID 4108 wrote to memory of 4652 4108 f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe powershell.exe PID 4108 wrote to memory of 4652 4108 f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe powershell.exe PID 4528 wrote to memory of 224 4528 f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe powershell.exe PID 4528 wrote to memory of 224 4528 f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe powershell.exe PID 4528 wrote to memory of 224 4528 f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe powershell.exe PID 4528 wrote to memory of 3468 4528 f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe cmd.exe PID 4528 wrote to memory of 3468 4528 f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe cmd.exe PID 3468 wrote to memory of 4964 3468 cmd.exe netsh.exe PID 3468 wrote to memory of 4964 3468 cmd.exe netsh.exe PID 4528 wrote to memory of 4228 4528 f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe powershell.exe PID 4528 wrote to memory of 4228 4528 f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe powershell.exe PID 4528 wrote to memory of 4228 4528 f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe powershell.exe PID 4528 wrote to memory of 4768 4528 f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe powershell.exe PID 4528 wrote to memory of 4768 4528 f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe powershell.exe PID 4528 wrote to memory of 4768 4528 f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe powershell.exe PID 4528 wrote to memory of 2180 4528 f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe csrss.exe PID 4528 wrote to memory of 2180 4528 f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe csrss.exe PID 4528 wrote to memory of 2180 4528 f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe csrss.exe PID 2180 wrote to memory of 2444 2180 csrss.exe powershell.exe PID 2180 wrote to memory of 2444 2180 csrss.exe powershell.exe PID 2180 wrote to memory of 2444 2180 csrss.exe powershell.exe PID 2180 wrote to memory of 5116 2180 csrss.exe powershell.exe PID 2180 wrote to memory of 5116 2180 csrss.exe powershell.exe PID 2180 wrote to memory of 5116 2180 csrss.exe powershell.exe PID 2180 wrote to memory of 4396 2180 csrss.exe powershell.exe PID 2180 wrote to memory of 4396 2180 csrss.exe powershell.exe PID 2180 wrote to memory of 4396 2180 csrss.exe powershell.exe PID 2180 wrote to memory of 1516 2180 csrss.exe injector.exe PID 2180 wrote to memory of 1516 2180 csrss.exe injector.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\f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe"C:\Users\Admin\AppData\Local\Temp\f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4108 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4652
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C:\Users\Admin\AppData\Local\Temp\f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe"C:\Users\Admin\AppData\Local\Temp\f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd.exe"2⤵
- Windows security bypass
- Windows security modification
- 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:4528 -
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:224
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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:3468 -
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
- Modifies data under HKEY_USERS
PID:4964
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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:4228
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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:4768
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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.
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2180 -
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:2444
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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:5040
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4980
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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:5116
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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:4396
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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:1516
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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:2184
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1B
MD5c4ca4238a0b923820dcc509a6f75849b
SHA1356a192b7913b04c54574d18c28d46e6395428ab
SHA2566b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
SHA5124dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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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
MD51c19c16e21c97ed42d5beabc93391fc5
SHA18ad83f8e0b3acf8dfbbf87931e41f0d664c4df68
SHA2561bcd97396c83babfe6c5068ba590d7a3f8b70e72955a9d1e4070648e404cbf05
SHA5127d18776d8f649b3d29c182ff03efc6cea8b527542ee55304980f24577aae8b64e37044407776e220984346c3998ace5f8853afa58c8b38407482a728e9495e0c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5ce96a83057bdf34303a976c319df402c
SHA1917eb08fff46ab16e37ebad9b426de85e5f3e112
SHA256d0f02990a8cf09f92bb271592b682ec5e0af6b544be69d1f07db268aaf4b9031
SHA512d2285db788b304cea1b146de0c4b32b9537ee1d8d5084a0f384404ba9f45f63f772617da899d10e23785152417c5e7ae896726f6c502f123f3d74620f003c85c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD519faa79b76f3aca8daad85a0ba274a80
SHA19d1b35d2cc411072df57025ae24c333ba33f0ab3
SHA2565ea601c5be995a121e7b76b9f4e8a269dda2e5f66752948bf1dd435ff93528b9
SHA512546d2793a18212a41d8c3b806df13833ac154a8729d34d8f721f3d04cec2f013c6d242eabd2515e2dd3365a8a8df27e5b9fafa722c403c5bda906c46f46d85a5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD51ae7d410ff69b18996789d23b063b988
SHA16958cbb4632ffd6e2803db92764ef1323b6443ab
SHA25625ecbc5475b9d52095eb9f5f2f3dc099e2e95df856621ce6a336c333f681280b
SHA512fec2aec9fedc0622c1af1845a152208f41d4720f6728928233bbb32e374f4eb948041f23a1b2c9a9bdfce32f11d5d123731dcae39f58b4ac1096d60bc6b16dc6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5f42f81eb97ab4199b57f7bf5450e7d47
SHA184a648a583b64bac205b5b4416366c05338bfe9c
SHA2568cb7f2680e3c9f553fcfcbffe252c7919db92ff9531aef1d4077362ff06ac61b
SHA512c7b262381c53b44d370e5c46f9d1220f24c2f278aa96a33feaf556950199035b9a337a95f53acfc4e758707908987b609033cc6a5db64f12f7e2a9580e14442c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5222f345ea2aa4206a3ed3a539a23791c
SHA10c5118da2348d425866eeb8593ebf7223a091f71
SHA2561d39ff4fa3fb90511a478769b75f36b2241fedce8c22280985f24d8743875301
SHA512a9cc5e37ad22a8114d1c12dd92e0547aa2d3bfc70aad57487fd801e1d0327b23b2eb0f97bafe54148fb8fbfd0d70cb9e0a9ceb0856ffe139c63f9393c0fd23b2
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Filesize
4.2MB
MD529af0feb50a8312018b17ff0083bb107
SHA198b07f09babe9f5e6d073827476ec98ec58ef3ea
SHA256f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd
SHA5126c3fc8b269f7cb4ab1c1bc68d2cdfa7c4c237e1e4ed673b00f4b794cff9121091eb5b8fecd43df1a3d0da685340b8840c0debed984058d4e62703f4437d5a871
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Filesize
4.2MB
MD529af0feb50a8312018b17ff0083bb107
SHA198b07f09babe9f5e6d073827476ec98ec58ef3ea
SHA256f0a496f1fda228495881fc93abc310281f828155578324980f4fc8d01b04bcdd
SHA5126c3fc8b269f7cb4ab1c1bc68d2cdfa7c4c237e1e4ed673b00f4b794cff9121091eb5b8fecd43df1a3d0da685340b8840c0debed984058d4e62703f4437d5a871