Analysis
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max time kernel
150s -
max time network
144s -
platform
windows10-1703_x64 -
resource
win10-20231023-en -
resource tags
arch:x64arch:x86image:win10-20231023-enlocale:en-usos:windows10-1703-x64system -
submitted
12/12/2023, 16:17
Static task
static1
General
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Target
a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe
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Size
4.1MB
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MD5
eb70e8dc4ca1eb7818828db3def2c044
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SHA1
b1eee688e71a75c8c4711766aac3f283e395acdf
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SHA256
a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea
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SHA512
cbf3775af0fca27ac5eb514ff217b041c7de798b822b0600766671e318f3d5cb047d0d332915a1e8f670ecf2c1bcc10b178ff5f308c089b1292f3be31ccc0cf0
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SSDEEP
98304:nnpACgg3NgtZAyrIrkj4UsVmcdSRD6E5PJDwphA4cnFTgdn/pPe:npACNKprJj4UsVhSRFPm44cnFTgd/pm
Malware Config
Signatures
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Glupteba payload 23 IoCs
resource yara_rule behavioral1/memory/4976-2-0x0000000002FE0000-0x00000000038CB000-memory.dmp family_glupteba behavioral1/memory/4976-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4976-67-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4976-85-0x0000000002FE0000-0x00000000038CB000-memory.dmp family_glupteba behavioral1/memory/4976-302-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4976-305-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2568-308-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2568-557-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2568-585-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2568-809-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2568-1054-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1600-1058-0x0000000003500000-0x0000000003DEB000-memory.dmp family_glupteba behavioral1/memory/1600-1059-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1600-1309-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1600-1804-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1600-1812-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1600-1819-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1600-1821-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1600-1823-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1600-1825-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1600-1827-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1600-1829-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1600-1831-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe = "0" a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 2984 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1600 csrss.exe 2848 injector.exe 2116 windefender.exe 4376 windefender.exe -
resource yara_rule behavioral1/files/0x000700000001aba3-1813.dat upx behavioral1/memory/2116-1818-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4376-1820-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4376-1824-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe = "0" a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2184424523-918736138-622003966-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe Set value (str) \REGISTRY\USER\S-1-5-21-2184424523-918736138-622003966-1000\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.
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 -
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.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe File created C:\Windows\rss\csrss.exe a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe File created 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 5096 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 792 schtasks.exe 4112 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,-1721 = "Libya Daylight Time" a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.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,-448 = "Azerbaijan Daylight Time" a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard 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" a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4044 powershell.exe 4044 powershell.exe 4044 powershell.exe 4976 a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe 4976 a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe 3140 powershell.exe 3140 powershell.exe 3140 powershell.exe 2568 a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe 2568 a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe 2568 a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe 2568 a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe 2568 a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe 2568 a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe 2568 a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe 2568 a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe 2568 a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe 2568 a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe 1872 powershell.exe 1872 powershell.exe 1872 powershell.exe 5004 powershell.exe 5004 powershell.exe 5004 powershell.exe 2692 powershell.exe 2692 powershell.exe 2692 powershell.exe 4160 powershell.exe 4160 powershell.exe 4160 powershell.exe 4512 powershell.exe 4512 powershell.exe 4512 powershell.exe 2848 injector.exe 2848 injector.exe 2848 injector.exe 2848 injector.exe 2848 injector.exe 2848 injector.exe 1600 csrss.exe 1600 csrss.exe 2848 injector.exe 2848 injector.exe 2848 injector.exe 2848 injector.exe 2848 injector.exe 2848 injector.exe 1600 csrss.exe 1600 csrss.exe 2848 injector.exe 2848 injector.exe 2848 injector.exe 2848 injector.exe 1600 csrss.exe 1600 csrss.exe 2848 injector.exe 2848 injector.exe 2848 injector.exe 2848 injector.exe 2848 injector.exe 2848 injector.exe 2848 injector.exe 2848 injector.exe 2848 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4044 powershell.exe Token: SeDebugPrivilege 4976 a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe Token: SeImpersonatePrivilege 4976 a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe Token: SeDebugPrivilege 3140 powershell.exe Token: SeDebugPrivilege 1872 powershell.exe Token: SeDebugPrivilege 5004 powershell.exe Token: SeDebugPrivilege 2692 powershell.exe Token: SeDebugPrivilege 4160 powershell.exe Token: SeDebugPrivilege 4512 powershell.exe Token: SeSystemEnvironmentPrivilege 1600 csrss.exe Token: SeSecurityPrivilege 5096 sc.exe Token: SeSecurityPrivilege 5096 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4976 wrote to memory of 4044 4976 a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe 72 PID 4976 wrote to memory of 4044 4976 a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe 72 PID 4976 wrote to memory of 4044 4976 a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe 72 PID 2568 wrote to memory of 3140 2568 a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe 77 PID 2568 wrote to memory of 3140 2568 a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe 77 PID 2568 wrote to memory of 3140 2568 a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe 77 PID 2568 wrote to memory of 2928 2568 a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe 79 PID 2568 wrote to memory of 2928 2568 a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe 79 PID 2928 wrote to memory of 2984 2928 cmd.exe 81 PID 2928 wrote to memory of 2984 2928 cmd.exe 81 PID 2568 wrote to memory of 1872 2568 a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe 82 PID 2568 wrote to memory of 1872 2568 a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe 82 PID 2568 wrote to memory of 1872 2568 a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe 82 PID 2568 wrote to memory of 5004 2568 a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe 84 PID 2568 wrote to memory of 5004 2568 a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe 84 PID 2568 wrote to memory of 5004 2568 a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe 84 PID 2568 wrote to memory of 1600 2568 a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe 86 PID 2568 wrote to memory of 1600 2568 a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe 86 PID 2568 wrote to memory of 1600 2568 a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe 86 PID 1600 wrote to memory of 2692 1600 csrss.exe 87 PID 1600 wrote to memory of 2692 1600 csrss.exe 87 PID 1600 wrote to memory of 2692 1600 csrss.exe 87 PID 1600 wrote to memory of 4160 1600 csrss.exe 94 PID 1600 wrote to memory of 4160 1600 csrss.exe 94 PID 1600 wrote to memory of 4160 1600 csrss.exe 94 PID 1600 wrote to memory of 4512 1600 csrss.exe 96 PID 1600 wrote to memory of 4512 1600 csrss.exe 96 PID 1600 wrote to memory of 4512 1600 csrss.exe 96 PID 1600 wrote to memory of 2848 1600 csrss.exe 98 PID 1600 wrote to memory of 2848 1600 csrss.exe 98 PID 2116 wrote to memory of 1176 2116 windefender.exe 105 PID 2116 wrote to memory of 1176 2116 windefender.exe 105 PID 2116 wrote to memory of 1176 2116 windefender.exe 105 PID 1176 wrote to memory of 5096 1176 cmd.exe 106 PID 1176 wrote to memory of 5096 1176 cmd.exe 106 PID 1176 wrote to memory of 5096 1176 cmd.exe 106 -
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\a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe"C:\Users\Admin\AppData\Local\Temp\a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4976 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4044
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C:\Users\Admin\AppData\Local\Temp\a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.exe"C:\Users\Admin\AppData\Local\Temp\a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea.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:2568 -
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:3140
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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:2928 -
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:2984
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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:1872
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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:5004
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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:1600 -
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:2692
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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:792
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2112
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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:4160
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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:4512
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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:2848
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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:4112
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2116 -
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:1176 -
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:5096
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4376
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
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
MD5db01a2c1c7e70b2b038edf8ad5ad9826
SHA1540217c647a73bad8d8a79e3a0f3998b5abd199b
SHA256413da361d77055dae7007f82b58b366c8783aa72e0b8fbe41519b940c253b38d
SHA512c76ff57fcee5cdf9fdf3116d4e1dc0cf106867bf19ab474b763e242acf5dca9a7509cb837c35e130c3e056636b4e8a4e135512a978bcd3dd641e20f5bf76c3d6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD57607890ac94ee554e481db458cfccc8a
SHA1e15a458cb67c5fe838622b8218299d939d8a2796
SHA256e848fe3ff65d4b77d704eaa1de4045aed9fbb447bb7374075513b8ff9208096d
SHA512e0fe927035ce1724ddd071debb7b94e80818312f00b57506aa705d3e3669b2d5b22d603f719a54fe0ee16ebc09c2693d409b10311bf43511e2c8cf1035ebae0b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5adfe46bad63c1ad91274c61078631c8f
SHA1cd59b3e011179f2b2919ccd568b308b78ded394f
SHA256d280c5eb2bd0e78f16cab077b3acfdc76a66d84c4122db428be4b5f49f36869e
SHA512b2ed3baf05a95928e5c486e6b4eda08d7d7ddf27facc04a9a32da72312e93a61a96be7c3c2bde0f91e53fa04b6108ef5f05b5761e72ebac4ab53f25bdc2293c8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5a034c4107a0da2e74dc2cf08eed5bd82
SHA19ba85b0dc3b3d7409dbb676b62767ee4b3d0edac
SHA256b687cbf336afec40af5454fc0f97a38a6ed240f0d06048387ec6c94f63604a47
SHA5128c3e0acfe973f6afadad46a03ad139a2cf420fe7dd573b0990e9673b4e57c19f8eea7486416fcf0c92dad68186f792d9e3b2752c582907651529a2edc6597eb1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5ab80b2008c6a5275f4092885f2494dd2
SHA13bfbb4b7fbdc1f1cb25a511eda6756e42dbd6695
SHA256e6fd4bf41306a3788dfe82edaec919e09eae2ea926e816b390532a6af5d71ede
SHA512fcce4060e4db7da5586e67033fbfd52c47274e5f25b920e854fa1cc342e99c5c76c3c03efb98020fa657caf5c5213c5512bdc8011166865ac49b9eee04bb73a4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD50e3273bef88647844d0c1c04e4f8619d
SHA1cefc46cb76fd44d909105ebc178d57cd3bc8e5ef
SHA256fa334251214bee08d127a74f5fea3b87d59ea45234c0ad7c465cd14878be4ae8
SHA512a77166cc60e193af7a354be814514ff13043d33e474f9a39fd53ebb9b60b4f0f403d9e8d67eda26a2deb56eba0b0d4c06f60efd80c243fcdddf3328cadf5b9a4
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Filesize
4.1MB
MD5eb70e8dc4ca1eb7818828db3def2c044
SHA1b1eee688e71a75c8c4711766aac3f283e395acdf
SHA256a8325cca90427aab7405cfc9514310ca211163dea2ca1e5b49c6a453bca17aea
SHA512cbf3775af0fca27ac5eb514ff217b041c7de798b822b0600766671e318f3d5cb047d0d332915a1e8f670ecf2c1bcc10b178ff5f308c089b1292f3be31ccc0cf0
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec