Analysis
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max time kernel
141s -
max time network
153s -
platform
windows10-1703_x64 -
resource
win10-20231020-en -
resource tags
arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system -
submitted
01-11-2023 13:58
Static task
static1
General
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Target
48155a26259dc7bda8dd24ae92f26dbd1f0c7bea018210b48556f856ad2bf4ec.exe
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Size
4.1MB
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MD5
089c6253390e5368ab74241e5295b012
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SHA1
491c3c5dc95394e9635bddc147bdeddde6d7cd16
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SHA256
48155a26259dc7bda8dd24ae92f26dbd1f0c7bea018210b48556f856ad2bf4ec
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SHA512
bc0bcd841632583a64d0168741e03f302e712066082a1936bd89d14d7521fb34beec54a6880ed48ee1281c9ae42626f07ce25092232a722b91983b724b2ceb45
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SSDEEP
98304:kAtE5EvXCvVwZbaTQejM5dxT7+shpdtHNgXi7fz31nRG:Pa5UXhbmGXl7LPdBNgXi7fRc
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/4964-2-0x0000000003070000-0x000000000395B000-memory.dmp family_glupteba behavioral1/memory/4964-3-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4964-68-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4964-76-0x0000000003070000-0x000000000395B000-memory.dmp family_glupteba behavioral1/memory/4964-86-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4964-311-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4564-333-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4564-834-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4564-1072-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/400-1085-0x0000000003400000-0x0000000003CEB000-memory.dmp family_glupteba behavioral1/memory/400-1086-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/400-1187-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/400-1826-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/400-1832-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/400-1840-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/400-1842-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/400-1844-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/400-1846-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/400-1854-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 48155a26259dc7bda8dd24ae92f26dbd1f0c7bea018210b48556f856ad2bf4ec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 48155a26259dc7bda8dd24ae92f26dbd1f0c7bea018210b48556f856ad2bf4ec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\48155a26259dc7bda8dd24ae92f26dbd1f0c7bea018210b48556f856ad2bf4ec.exe = "0" 48155a26259dc7bda8dd24ae92f26dbd1f0c7bea018210b48556f856ad2bf4ec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 48155a26259dc7bda8dd24ae92f26dbd1f0c7bea018210b48556f856ad2bf4ec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 48155a26259dc7bda8dd24ae92f26dbd1f0c7bea018210b48556f856ad2bf4ec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 48155a26259dc7bda8dd24ae92f26dbd1f0c7bea018210b48556f856ad2bf4ec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 48155a26259dc7bda8dd24ae92f26dbd1f0c7bea018210b48556f856ad2bf4ec.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 5056 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1792 injector.exe 1724 windefender.exe 2432 windefender.exe 4264 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x000700000001abef-1835.dat upx behavioral1/files/0x000700000001abef-1836.dat upx behavioral1/files/0x000700000001abef-1838.dat upx behavioral1/memory/1724-1839-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2432-1841-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2432-1845-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x000700000001aba3-1850.dat upx behavioral1/files/0x000700000001aba3-1852.dat upx behavioral1/memory/2432-1853-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4264-1855-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/4264-1857-0x0000000000400000-0x0000000000C25000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 48155a26259dc7bda8dd24ae92f26dbd1f0c7bea018210b48556f856ad2bf4ec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 48155a26259dc7bda8dd24ae92f26dbd1f0c7bea018210b48556f856ad2bf4ec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 48155a26259dc7bda8dd24ae92f26dbd1f0c7bea018210b48556f856ad2bf4ec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 48155a26259dc7bda8dd24ae92f26dbd1f0c7bea018210b48556f856ad2bf4ec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 48155a26259dc7bda8dd24ae92f26dbd1f0c7bea018210b48556f856ad2bf4ec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 48155a26259dc7bda8dd24ae92f26dbd1f0c7bea018210b48556f856ad2bf4ec.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\48155a26259dc7bda8dd24ae92f26dbd1f0c7bea018210b48556f856ad2bf4ec.exe = "0" 48155a26259dc7bda8dd24ae92f26dbd1f0c7bea018210b48556f856ad2bf4ec.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2508097367-364665605-1201309312-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 48155a26259dc7bda8dd24ae92f26dbd1f0c7bea018210b48556f856ad2bf4ec.exe Set value (str) \REGISTRY\USER\S-1-5-21-2508097367-364665605-1201309312-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description 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 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 -
Drops file in Windows directory 2 IoCs
description ioc Process 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.
pid Process 4448 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4456 schtasks.exe 512 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 48155a26259dc7bda8dd24ae92f26dbd1f0c7bea018210b48556f856ad2bf4ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 48155a26259dc7bda8dd24ae92f26dbd1f0c7bea018210b48556f856ad2bf4ec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.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\1a\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 48155a26259dc7bda8dd24ae92f26dbd1f0c7bea018210b48556f856ad2bf4ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 48155a26259dc7bda8dd24ae92f26dbd1f0c7bea018210b48556f856ad2bf4ec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 48155a26259dc7bda8dd24ae92f26dbd1f0c7bea018210b48556f856ad2bf4ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 48155a26259dc7bda8dd24ae92f26dbd1f0c7bea018210b48556f856ad2bf4ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 48155a26259dc7bda8dd24ae92f26dbd1f0c7bea018210b48556f856ad2bf4ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 48155a26259dc7bda8dd24ae92f26dbd1f0c7bea018210b48556f856ad2bf4ec.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\Root 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\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 48155a26259dc7bda8dd24ae92f26dbd1f0c7bea018210b48556f856ad2bf4ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 48155a26259dc7bda8dd24ae92f26dbd1f0c7bea018210b48556f856ad2bf4ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 48155a26259dc7bda8dd24ae92f26dbd1f0c7bea018210b48556f856ad2bf4ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 48155a26259dc7bda8dd24ae92f26dbd1f0c7bea018210b48556f856ad2bf4ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 48155a26259dc7bda8dd24ae92f26dbd1f0c7bea018210b48556f856ad2bf4ec.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\1a\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 48155a26259dc7bda8dd24ae92f26dbd1f0c7bea018210b48556f856ad2bf4ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 48155a26259dc7bda8dd24ae92f26dbd1f0c7bea018210b48556f856ad2bf4ec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs 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 Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 48155a26259dc7bda8dd24ae92f26dbd1f0c7bea018210b48556f856ad2bf4ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 48155a26259dc7bda8dd24ae92f26dbd1f0c7bea018210b48556f856ad2bf4ec.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 48155a26259dc7bda8dd24ae92f26dbd1f0c7bea018210b48556f856ad2bf4ec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4672 powershell.exe 4672 powershell.exe 4672 powershell.exe 4964 48155a26259dc7bda8dd24ae92f26dbd1f0c7bea018210b48556f856ad2bf4ec.exe 4964 48155a26259dc7bda8dd24ae92f26dbd1f0c7bea018210b48556f856ad2bf4ec.exe 4536 powershell.exe 4536 powershell.exe 4536 powershell.exe 2700 powershell.exe 2700 powershell.exe 2700 powershell.exe 432 powershell.exe 432 powershell.exe 432 powershell.exe 700 powershell.exe 700 powershell.exe 700 powershell.exe 3184 powershell.exe 3184 powershell.exe 3184 powershell.exe 4680 powershell.exe 4680 powershell.exe 4680 powershell.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 400 csrss.exe 400 csrss.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 400 csrss.exe 400 csrss.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 400 csrss.exe 400 csrss.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe 1792 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4672 powershell.exe Token: SeDebugPrivilege 4964 48155a26259dc7bda8dd24ae92f26dbd1f0c7bea018210b48556f856ad2bf4ec.exe Token: SeImpersonatePrivilege 4964 48155a26259dc7bda8dd24ae92f26dbd1f0c7bea018210b48556f856ad2bf4ec.exe Token: SeDebugPrivilege 4536 powershell.exe Token: SeDebugPrivilege 2700 powershell.exe Token: SeDebugPrivilege 432 powershell.exe Token: SeDebugPrivilege 700 powershell.exe Token: SeDebugPrivilege 3184 powershell.exe Token: SeDebugPrivilege 4680 powershell.exe Token: SeSystemEnvironmentPrivilege 400 csrss.exe Token: SeSecurityPrivilege 4448 sc.exe Token: SeSecurityPrivilege 4448 sc.exe -
Suspicious use of WriteProcessMemory 25 IoCs
description pid Process procid_target PID 4964 wrote to memory of 4672 4964 48155a26259dc7bda8dd24ae92f26dbd1f0c7bea018210b48556f856ad2bf4ec.exe 73 PID 4964 wrote to memory of 4672 4964 48155a26259dc7bda8dd24ae92f26dbd1f0c7bea018210b48556f856ad2bf4ec.exe 73 PID 4964 wrote to memory of 4672 4964 48155a26259dc7bda8dd24ae92f26dbd1f0c7bea018210b48556f856ad2bf4ec.exe 73 PID 1556 wrote to memory of 5056 1556 cmd.exe 82 PID 1556 wrote to memory of 5056 1556 cmd.exe 82 PID 400 wrote to memory of 700 400 csrss.exe 88 PID 400 wrote to memory of 700 400 csrss.exe 88 PID 400 wrote to memory of 700 400 csrss.exe 88 PID 400 wrote to memory of 3184 400 csrss.exe 94 PID 400 wrote to memory of 3184 400 csrss.exe 94 PID 400 wrote to memory of 3184 400 csrss.exe 94 PID 400 wrote to memory of 4680 400 csrss.exe 97 PID 400 wrote to memory of 4680 400 csrss.exe 97 PID 400 wrote to memory of 4680 400 csrss.exe 97 PID 400 wrote to memory of 1792 400 csrss.exe 99 PID 400 wrote to memory of 1792 400 csrss.exe 99 PID 1724 wrote to memory of 824 1724 windefender.exe 106 PID 1724 wrote to memory of 824 1724 windefender.exe 106 PID 1724 wrote to memory of 824 1724 windefender.exe 106 PID 824 wrote to memory of 4448 824 cmd.exe 107 PID 824 wrote to memory of 4448 824 cmd.exe 107 PID 824 wrote to memory of 4448 824 cmd.exe 107 PID 400 wrote to memory of 4264 400 csrss.exe 109 PID 400 wrote to memory of 4264 400 csrss.exe 109 PID 400 wrote to memory of 4264 400 csrss.exe 109 -
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\48155a26259dc7bda8dd24ae92f26dbd1f0c7bea018210b48556f856ad2bf4ec.exe"C:\Users\Admin\AppData\Local\Temp\48155a26259dc7bda8dd24ae92f26dbd1f0c7bea018210b48556f856ad2bf4ec.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4964 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4672
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C:\Users\Admin\AppData\Local\Temp\48155a26259dc7bda8dd24ae92f26dbd1f0c7bea018210b48556f856ad2bf4ec.exe"C:\Users\Admin\AppData\Local\Temp\48155a26259dc7bda8dd24ae92f26dbd1f0c7bea018210b48556f856ad2bf4ec.exe"2⤵
- Windows security bypass
- Windows security modification
- Adds Run key to start application
- Modifies data under HKEY_USERS
PID:4564 -
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:4536
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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:1556 -
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:5056
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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:2700
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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:432
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- 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:400 -
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:700
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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:512
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4560
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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:3184
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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:4680
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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:1792
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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:4456
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1724 -
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:824 -
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:4448
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C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeC:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe4⤵
- Executes dropped EXE
PID:4264 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵PID:4016
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵PID:1628
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2432
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
1Replay Monitor
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Downloads
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Filesize
1B
MD5c4ca4238a0b923820dcc509a6f75849b
SHA1356a192b7913b04c54574d18c28d46e6395428ab
SHA2566b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
SHA5124dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
99KB
MD509031a062610d77d685c9934318b4170
SHA1880f744184e7774f3d14c1bb857e21cc7fe89a6d
SHA256778bd69af403df3c4e074c31b3850d71bf0e64524bea4272a802ca9520b379dd
SHA5129a276e1f0f55d35f2bf38eb093464f7065bdd30a660e6d1c62eed5e76d1fb2201567b89d9ae65d2d89dc99b142159e36fb73be8d5e08252a975d50544a7cda27
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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
MD500de2fd98bf961a5c1b9e3bacfea8365
SHA19c526ef8f3ed6159a6b142b9c2f740b10dd39899
SHA256085ae5c340b3301758d1c7cc50f2055f162dc8fad3bb1e8450fa486a439e6941
SHA5127df0631126b34f47eccc7d00376d5453d32ab6281902456099c25e27ef9df232202050fc9563fdc589e44b51e47e93623730cb53f719d2bd0fb6b3aa9be6b87c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD509fb56074fd59596a14adb032313222a
SHA1a044bdd4a948ceabed9a81447e5ff6dbe646485d
SHA2561fa0b6f88ef9a612f020ffe09a81d75c86c11ed131c443503dafe904af97ba1d
SHA512bd099007f88cc7ab8df26649fbe9c4fccc1c3fd6666d842cb513023cffb91bcb650fd1090e19a5254167cd2c8c254539bfcde950dd08eaffabc6f5bf43028460
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD51ab3aebfcf7fafc04242a1d6e18f8d41
SHA19aa10d453db3d27d055995ab2aaa636553ce776f
SHA256c5146a20a40f2f4b4b2e39e70dadb19ffdf5a1b1423d22edbff45e1e4d46876e
SHA5124c0e7a5756a47231b74a10d8506d64c25a95766b94c1fc3cb48feea5e03aa3d5258f9dc247ee1c35dd46d0eee4d45e60735ddbf8dc49f3a60bbdc78d5c2e030d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5dcb09e8f91c335a4d17c301a0c4e916d
SHA1cde053f8e69da81fa576eb97d2e5710e4a9bcf5f
SHA2568f8a44e76120721b24b16497c14362bb07960e08aa5a015c4e9d4054fbc95a5f
SHA5126ce8496b54a23f5bfc2d115c4de9ca3f526763a440a41c77afb5aa16a84dc407df5ae6ba16a0482189d58b1b0d2791ed5f08b020956df96e0616cd0c05e0e3a3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5dddc031903210c9c9aeea830d24d6f82
SHA1bb126640039a0f61196925b943b08c4bda6ceb89
SHA2565e57af5df4c0a4cd40b210df3450cfa8622e6f229c9e38c04960db9ba801d84d
SHA512db2170c245c2ad5fe63fe2207303d0a18024e1bf5ad2a777832edad4dd065b6307b4b85028392b8c747108c551b9885c8a809c8a81a1153ceb2bdc40fbc6ec28
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec