Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
20-05-2024 04:48
Static task
static1
Behavioral task
behavioral1
Sample
d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe
Resource
win10v2004-20240426-en
General
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Target
d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe
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Size
4.1MB
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MD5
d59859e804fecf4d697ebcd8c36a95b2
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SHA1
4495b6119895675f772d40fa91256be7343903d9
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SHA256
d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2
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SHA512
f65b814fa79843ffdd2cbf9ad85302c89a7a60541e78f1dcfbc6f2ef726600cd9dda933cdd7c03d97c5606fb723e1ef3954740c69b52ad40248baa07977a875e
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SSDEEP
98304:vquwTfmIkbquibhaubey8xw4weLmAcL8k4+6XNB3Rebmbqb0q:ALmIkbquibpii2yAk4+2fEKmbl
Malware Config
Signatures
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Glupteba payload 18 IoCs
Processes:
resource yara_rule behavioral1/memory/4552-2-0x0000000002D50000-0x000000000363B000-memory.dmp family_glupteba behavioral1/memory/4552-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4552-58-0x0000000002D50000-0x000000000363B000-memory.dmp family_glupteba behavioral1/memory/4552-119-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5764-135-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5852-215-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5852-225-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5852-228-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5852-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5852-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5852-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5852-240-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5852-243-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5852-246-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5852-249-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5852-252-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5852-255-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5852-258-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 8 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 5852 csrss.exe 5432 injector.exe 5032 windefender.exe 4840 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x0008000000023425-219.dat upx behavioral1/memory/5032-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5032-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4840-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4840-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4840-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\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 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 -
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:
d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe -
Drops file in Windows directory 4 IoCs
Processes:
d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe File created C:\Windows\rss\csrss.exe d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.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 4052 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 5816 powershell.exe 2936 powershell.exe 3556 powershell.exe 4060 powershell.exe 4332 powershell.exe 1928 powershell.exe 5228 powershell.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 4480 schtasks.exe 4124 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
windefender.exed95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs 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\2a\52C64B7E\@tzres.dll,-391 = "Arab 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exed95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exepowershell.exed95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 1928 powershell.exe 1928 powershell.exe 4552 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 4552 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 5228 powershell.exe 5228 powershell.exe 5228 powershell.exe 5764 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 5764 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 5764 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 5764 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 5764 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 5764 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 5764 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 5764 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 5764 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 5764 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 5816 powershell.exe 5816 powershell.exe 5816 powershell.exe 2936 powershell.exe 2936 powershell.exe 2936 powershell.exe 3556 powershell.exe 3556 powershell.exe 4060 powershell.exe 4060 powershell.exe 4332 powershell.exe 4332 powershell.exe 5432 injector.exe 5432 injector.exe 5432 injector.exe 5432 injector.exe 5432 injector.exe 5432 injector.exe 5852 csrss.exe 5852 csrss.exe 5432 injector.exe 5432 injector.exe 5432 injector.exe 5432 injector.exe 5432 injector.exe 5432 injector.exe 5852 csrss.exe 5852 csrss.exe 5432 injector.exe 5432 injector.exe 5432 injector.exe 5432 injector.exe 5432 injector.exe 5432 injector.exe 5852 csrss.exe 5852 csrss.exe 5432 injector.exe 5432 injector.exe 5432 injector.exe 5432 injector.exe 5432 injector.exe 5432 injector.exe 5432 injector.exe 5432 injector.exe 5432 injector.exe 5432 injector.exe 5432 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exed95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 1928 powershell.exe Token: SeDebugPrivilege 4552 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Token: SeImpersonatePrivilege 4552 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe Token: SeDebugPrivilege 5228 powershell.exe Token: SeDebugPrivilege 5816 powershell.exe Token: SeDebugPrivilege 2936 powershell.exe Token: SeDebugPrivilege 3556 powershell.exe Token: SeDebugPrivilege 4060 powershell.exe Token: SeDebugPrivilege 4332 powershell.exe Token: SeSystemEnvironmentPrivilege 5852 csrss.exe Token: SeSecurityPrivilege 4052 sc.exe Token: SeSecurityPrivilege 4052 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exed95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 4552 wrote to memory of 1928 4552 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 88 PID 4552 wrote to memory of 1928 4552 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 88 PID 4552 wrote to memory of 1928 4552 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 88 PID 5764 wrote to memory of 5228 5764 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 98 PID 5764 wrote to memory of 5228 5764 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 98 PID 5764 wrote to memory of 5228 5764 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 98 PID 5764 wrote to memory of 1856 5764 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 103 PID 5764 wrote to memory of 1856 5764 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 103 PID 1856 wrote to memory of 8 1856 cmd.exe 105 PID 1856 wrote to memory of 8 1856 cmd.exe 105 PID 5764 wrote to memory of 5816 5764 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 106 PID 5764 wrote to memory of 5816 5764 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 106 PID 5764 wrote to memory of 5816 5764 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 106 PID 5764 wrote to memory of 2936 5764 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 108 PID 5764 wrote to memory of 2936 5764 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 108 PID 5764 wrote to memory of 2936 5764 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 108 PID 5764 wrote to memory of 5852 5764 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 110 PID 5764 wrote to memory of 5852 5764 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 110 PID 5764 wrote to memory of 5852 5764 d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe 110 PID 5852 wrote to memory of 3556 5852 csrss.exe 111 PID 5852 wrote to memory of 3556 5852 csrss.exe 111 PID 5852 wrote to memory of 3556 5852 csrss.exe 111 PID 5852 wrote to memory of 4060 5852 csrss.exe 117 PID 5852 wrote to memory of 4060 5852 csrss.exe 117 PID 5852 wrote to memory of 4060 5852 csrss.exe 117 PID 5852 wrote to memory of 4332 5852 csrss.exe 119 PID 5852 wrote to memory of 4332 5852 csrss.exe 119 PID 5852 wrote to memory of 4332 5852 csrss.exe 119 PID 5852 wrote to memory of 5432 5852 csrss.exe 121 PID 5852 wrote to memory of 5432 5852 csrss.exe 121 PID 5032 wrote to memory of 424 5032 windefender.exe 127 PID 5032 wrote to memory of 424 5032 windefender.exe 127 PID 5032 wrote to memory of 424 5032 windefender.exe 127 PID 424 wrote to memory of 4052 424 cmd.exe 128 PID 424 wrote to memory of 4052 424 cmd.exe 128 PID 424 wrote to memory of 4052 424 cmd.exe 128 -
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\d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe"C:\Users\Admin\AppData\Local\Temp\d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4552 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1928
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C:\Users\Admin\AppData\Local\Temp\d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.exe"C:\Users\Admin\AppData\Local\Temp\d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2.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:5764 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5228
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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:1856 -
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:8
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5816
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2936
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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:5852 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3556
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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:4480
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2964
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4060
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4332
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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:5432
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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:4124
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5032 -
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:424 -
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:4052
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4840
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bc41ad26345d1b66c7222d2fb9e3e6fd
SHA1c772697b70cc4c4b4d5ad09863b9ec11608027a6
SHA2568a9958c5f65553d03657ded6c512eda369c9e5a38f1faab32be22986b9d5b909
SHA51209934eefc5b46fa880b4aac4e1bee91e5cd0f1567b3b103a7a4bd52e60f8a63d968c28acd32dda748cc752664b1747c10afb26e3b9f72f746a941a56d658d4ca
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5da27f71b360f550fa25c33e8a513f04a
SHA1f571ff13ee2569df29cecc322d58198d20033a04
SHA25680472371e3e2b7c2326480f92c717f00c4f923d309bf26d7003a23f2fdf38223
SHA512651d88fb4e59950fbf68afd319b1847d4d2d4f8d63bf3d3de56359a96a6b93ec1b424b5e9db48aa75f9c777ee0001fe3f5ce45aae3e28ba2b4cc694dd951b35a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54f9db6ee7694ca2cd6ca2f18d16916e3
SHA1ebe1957a4ece782311aea6cec1cd05494ef02ad8
SHA256ca628eb8a6a7164a9bae10d273eac6564b2275c1486ece36cc636bf8c55096a0
SHA5122c4ea64a97a4bce37b8a892a3dcd3315856c5923e2a698184298d7cf7d7c90fa20302b0281dc8fb1e21504af61eeeb84d04400f98131b4a8cc48b936be2914bf
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5430c19425837ac57a2521e72de62b3e6
SHA15469e6352da0b548788243cb90bc28e9131eed3d
SHA2563ee66f6afe58199f1a7f44ed99b1f81b23410a167b62b95032e8751612ef3ddd
SHA512ac7b01c18f315cd51c6f8f4a89fbcb47ccfbad8c7dcc637b1ef023f4e3f81a8d0b67999685851b9532ee5b59d4f91c095f4358b293db4339a1fdcb93d9589cf1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f8707fca8f2658aaac71ab0383611993
SHA1f70441b0df004b4b3d37818e48ed333c40182bab
SHA2569657d5d85e0ac8da98a364f99f30f406a8771f1ba0f29b0e8519a1fb7fab86ad
SHA512cef0a0d8dad7709e662ad5ad9afb560a1652d27f2e5db05b9f3a89604d7b9034e22cd60ebd3dc6f66254c7e2d2fe8869ca67e23b2742cbccde79b3f9fa2f7a3a
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Filesize
4.1MB
MD5d59859e804fecf4d697ebcd8c36a95b2
SHA14495b6119895675f772d40fa91256be7343903d9
SHA256d95b5adb1cc3d6d379bd42c94cb9a75546f78e641107c84e5d48155431cf87a2
SHA512f65b814fa79843ffdd2cbf9ad85302c89a7a60541e78f1dcfbc6f2ef726600cd9dda933cdd7c03d97c5606fb723e1ef3954740c69b52ad40248baa07977a875e
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec