Analysis
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max time kernel
163s -
max time network
170s -
platform
windows10-1703_x64 -
resource
win10-20230915-en -
resource tags
arch:x64arch:x86image:win10-20230915-enlocale:en-usos:windows10-1703-x64system -
submitted
08/10/2023, 11:22
Static task
static1
General
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Target
ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe
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Size
4.2MB
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MD5
32e2523fc95eb5c8e1b135a6a1bc4430
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SHA1
cff3fe7be52ccbbfd8bfef447593366baeb86925
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SHA256
ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1
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SHA512
8c714c3c4af4e3b60f072dc822220e6b7c1b8dcd276972e896316d2a358fb99eb13821b8b6af7617e81a5b32970a61c42c04fc4b97786fd6493e591a2a3e5f1a
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SSDEEP
98304:4e1B0WeB44e8OEb4SKPukS0AnuaQ0lmosW1yF8VxQOXpOVy:53eB4l8FbRuujbuzkm2IF9OsVy
Malware Config
Signatures
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Glupteba payload 22 IoCs
resource yara_rule behavioral1/memory/3620-2-0x0000000004890000-0x000000000517B000-memory.dmp family_glupteba behavioral1/memory/3620-3-0x0000000000400000-0x000000000266A000-memory.dmp family_glupteba behavioral1/memory/3620-18-0x0000000004890000-0x000000000517B000-memory.dmp family_glupteba behavioral1/memory/3620-19-0x0000000000400000-0x000000000266A000-memory.dmp family_glupteba behavioral1/memory/3620-308-0x0000000000400000-0x000000000266A000-memory.dmp family_glupteba behavioral1/memory/3620-309-0x0000000000400000-0x000000000266A000-memory.dmp family_glupteba behavioral1/memory/2568-312-0x0000000004710000-0x0000000004FFB000-memory.dmp family_glupteba behavioral1/memory/2568-313-0x0000000000400000-0x000000000266A000-memory.dmp family_glupteba behavioral1/memory/2568-338-0x0000000000400000-0x000000000266A000-memory.dmp family_glupteba behavioral1/memory/2568-595-0x0000000000400000-0x000000000266A000-memory.dmp family_glupteba behavioral1/memory/2568-1054-0x0000000000400000-0x000000000266A000-memory.dmp family_glupteba behavioral1/memory/2568-1057-0x0000000000400000-0x000000000266A000-memory.dmp family_glupteba behavioral1/memory/2876-1061-0x0000000000400000-0x000000000266A000-memory.dmp family_glupteba behavioral1/memory/2876-1094-0x0000000000400000-0x000000000266A000-memory.dmp family_glupteba behavioral1/memory/2876-1548-0x0000000000400000-0x000000000266A000-memory.dmp family_glupteba behavioral1/memory/2876-1807-0x0000000000400000-0x000000000266A000-memory.dmp family_glupteba behavioral1/memory/2876-1816-0x0000000000400000-0x000000000266A000-memory.dmp family_glupteba behavioral1/memory/2876-1818-0x0000000000400000-0x000000000266A000-memory.dmp family_glupteba behavioral1/memory/2876-1820-0x0000000000400000-0x000000000266A000-memory.dmp family_glupteba behavioral1/memory/2876-1822-0x0000000000400000-0x000000000266A000-memory.dmp family_glupteba behavioral1/memory/2876-1824-0x0000000000400000-0x000000000266A000-memory.dmp family_glupteba behavioral1/memory/2876-1826-0x0000000000400000-0x000000000266A000-memory.dmp family_glupteba -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe = "0" ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 3836 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2876 csrss.exe 2896 injector.exe 4664 windefender.exe 3836 windefender.exe -
resource yara_rule behavioral1/files/0x000700000001afc9-1810.dat upx behavioral1/files/0x000700000001afc9-1812.dat upx behavioral1/files/0x000700000001afc9-1813.dat upx behavioral1/memory/4664-1815-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3836-1817-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3836-1821-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe = "0" ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2713497151-363818805-1301026598-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe Set value (str) \REGISTRY\USER\S-1-5-21-2713497151-363818805-1301026598-1000\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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
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 ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3488 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 2856 schtasks.exe 1180 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 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\1e\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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\1e\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 364 powershell.exe 364 powershell.exe 364 powershell.exe 3620 ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe 3620 ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe 4324 powershell.exe 4324 powershell.exe 4324 powershell.exe 2568 ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe 2568 ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe 2568 ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe 2568 ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe 2568 ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe 2568 ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe 2568 ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe 2568 ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe 2568 ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe 2568 ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe 5088 powershell.exe 5088 powershell.exe 5088 powershell.exe 2736 powershell.exe 2736 powershell.exe 2736 powershell.exe 1704 powershell.exe 1704 powershell.exe 1704 powershell.exe 824 powershell.exe 824 powershell.exe 824 powershell.exe 4888 powershell.exe 4888 powershell.exe 4888 powershell.exe 2896 injector.exe 2896 injector.exe 2896 injector.exe 2896 injector.exe 2896 injector.exe 2896 injector.exe 2876 csrss.exe 2876 csrss.exe 2896 injector.exe 2896 injector.exe 2896 injector.exe 2896 injector.exe 2896 injector.exe 2896 injector.exe 2876 csrss.exe 2876 csrss.exe 2896 injector.exe 2896 injector.exe 2876 csrss.exe 2876 csrss.exe 2896 injector.exe 2896 injector.exe 2896 injector.exe 2896 injector.exe 2896 injector.exe 2896 injector.exe 2896 injector.exe 2896 injector.exe 2896 injector.exe 2896 injector.exe 2896 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 364 powershell.exe Token: SeDebugPrivilege 3620 ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe Token: SeImpersonatePrivilege 3620 ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe Token: SeDebugPrivilege 4324 powershell.exe Token: SeDebugPrivilege 5088 powershell.exe Token: SeDebugPrivilege 2736 powershell.exe Token: SeDebugPrivilege 1704 powershell.exe Token: SeDebugPrivilege 824 powershell.exe Token: SeDebugPrivilege 4888 powershell.exe Token: SeSystemEnvironmentPrivilege 2876 csrss.exe Token: SeSecurityPrivilege 3488 sc.exe Token: SeSecurityPrivilege 3488 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3620 wrote to memory of 364 3620 ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe 70 PID 3620 wrote to memory of 364 3620 ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe 70 PID 3620 wrote to memory of 364 3620 ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe 70 PID 2568 wrote to memory of 4324 2568 ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe 75 PID 2568 wrote to memory of 4324 2568 ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe 75 PID 2568 wrote to memory of 4324 2568 ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe 75 PID 2568 wrote to memory of 644 2568 ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe 77 PID 2568 wrote to memory of 644 2568 ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe 77 PID 644 wrote to memory of 3836 644 cmd.exe 79 PID 644 wrote to memory of 3836 644 cmd.exe 79 PID 2568 wrote to memory of 5088 2568 ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe 80 PID 2568 wrote to memory of 5088 2568 ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe 80 PID 2568 wrote to memory of 5088 2568 ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe 80 PID 2568 wrote to memory of 2736 2568 ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe 82 PID 2568 wrote to memory of 2736 2568 ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe 82 PID 2568 wrote to memory of 2736 2568 ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe 82 PID 2568 wrote to memory of 2876 2568 ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe 84 PID 2568 wrote to memory of 2876 2568 ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe 84 PID 2568 wrote to memory of 2876 2568 ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe 84 PID 2876 wrote to memory of 1704 2876 csrss.exe 85 PID 2876 wrote to memory of 1704 2876 csrss.exe 85 PID 2876 wrote to memory of 1704 2876 csrss.exe 85 PID 2876 wrote to memory of 824 2876 csrss.exe 91 PID 2876 wrote to memory of 824 2876 csrss.exe 91 PID 2876 wrote to memory of 824 2876 csrss.exe 91 PID 2876 wrote to memory of 4888 2876 csrss.exe 94 PID 2876 wrote to memory of 4888 2876 csrss.exe 94 PID 2876 wrote to memory of 4888 2876 csrss.exe 94 PID 2876 wrote to memory of 2896 2876 csrss.exe 96 PID 2876 wrote to memory of 2896 2876 csrss.exe 96 PID 4664 wrote to memory of 1160 4664 windefender.exe 103 PID 4664 wrote to memory of 1160 4664 windefender.exe 103 PID 4664 wrote to memory of 1160 4664 windefender.exe 103 PID 1160 wrote to memory of 3488 1160 cmd.exe 104 PID 1160 wrote to memory of 3488 1160 cmd.exe 104 PID 1160 wrote to memory of 3488 1160 cmd.exe 104 -
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\ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe"C:\Users\Admin\AppData\Local\Temp\ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3620 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:364
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C:\Users\Admin\AppData\Local\Temp\ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.exe"C:\Users\Admin\AppData\Local\Temp\ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1.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:4324
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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:644 -
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:3836
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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:5088
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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:2736
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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:2876 -
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:1704
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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:1180
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:380
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:824
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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:4888
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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:2896
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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:2856
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4664 -
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:1160 -
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:3488
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3836
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
Loading Replay Monitor...
Downloads
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Filesize
1B
MD5c4ca4238a0b923820dcc509a6f75849b
SHA1356a192b7913b04c54574d18c28d46e6395428ab
SHA2566b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
SHA5124dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD51c19c16e21c97ed42d5beabc93391fc5
SHA18ad83f8e0b3acf8dfbbf87931e41f0d664c4df68
SHA2561bcd97396c83babfe6c5068ba590d7a3f8b70e72955a9d1e4070648e404cbf05
SHA5127d18776d8f649b3d29c182ff03efc6cea8b527542ee55304980f24577aae8b64e37044407776e220984346c3998ace5f8853afa58c8b38407482a728e9495e0c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD517797c08f78306b94447a8f252ba3e27
SHA18f84ea4019e7fdcb00474498a3235992df26f334
SHA256e8a337a9a1f3e9b5ff2824abb369d43ef1a0fe4aeba2b84d0908d095229f191a
SHA512f38a448e1dcf1e27b7da65d656c6abcd30253ef744cce87e4a34dae9569440fdbf958a30dfd6847d24a6a440cfbca0a7a463ea2d565c4f562752be57ec6ff013
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5e6532a75d41e7ece4d6d8cd6dea2a7ca
SHA15a588234d1f941e2ac875d1b5276e296eda2f1ea
SHA25622e4e4094bd458deb2158e38d5158bbed210851bf2c939f9a3422684fad65725
SHA512beef5bbe1e8f4b49362f9db3d50e15d571ec2afb8c1b67d56d0abd2e34bfb00932a56e97d334e2a1228e4aff3a6d876a4da1df77c84014475c4ef4a80d513d2c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5af7e8dd0a6d8d4c395b40216970e864b
SHA11bee770521db0523209d07abc5f9e091a0418e0e
SHA256f9d0f7eeff41677c297fcdb80b874bcd8423ae0b0840e80e04f05b931db90b2d
SHA5122b9022ac70208deeecb38fa8467ebe07b7cd6af8ae1d43f6fce9da56eb22023451bec21b2bc9a569a0e99bc7c08efaf59bda8a310f888903f55fabc2e04ee75b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5931292cab336bf37a4cb3bc0644eb8c4
SHA1dd59ff362b6f672a7de01da09a9aa0a74fc736a9
SHA256b3412e5a56b9a622d0803cb8a8eb0daea9318163f5f97b213632957ab39f9687
SHA512caaeae79b6c9825f645509096e774666c0c9087b3fc6fc7790f371121d8f04c301bd4202044b6dcab3436f38bd2be29653f6d83048d02de5bd84285854ca1d30
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD53d0e41c83225d7caba11581abd165c92
SHA1d4ca99db2311b6945939d6fb5c4f82d32f57107a
SHA2566dadf95811df34f9310e9843e0269b7722f41300b46eda9d08436998427d2f10
SHA512e05686792c7797bf14e6617439cf62ef792ad23a2774133d13002868d0894ba3cd9a88e5c0f3398df295c9601cffb33d69617a0537d7be006ae19279b3f3c5f0
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Filesize
4.2MB
MD532e2523fc95eb5c8e1b135a6a1bc4430
SHA1cff3fe7be52ccbbfd8bfef447593366baeb86925
SHA256ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1
SHA5128c714c3c4af4e3b60f072dc822220e6b7c1b8dcd276972e896316d2a358fb99eb13821b8b6af7617e81a5b32970a61c42c04fc4b97786fd6493e591a2a3e5f1a
-
Filesize
4.2MB
MD532e2523fc95eb5c8e1b135a6a1bc4430
SHA1cff3fe7be52ccbbfd8bfef447593366baeb86925
SHA256ddc803932099a30d09d6945c1c6a22dc1309c0d60461f8a81d5f9b427b109aa1
SHA5128c714c3c4af4e3b60f072dc822220e6b7c1b8dcd276972e896316d2a358fb99eb13821b8b6af7617e81a5b32970a61c42c04fc4b97786fd6493e591a2a3e5f1a
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec