Analysis
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max time kernel
159s -
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
13-10-2023 04:53
Static task
static1
General
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Target
38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe
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Size
4.1MB
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MD5
e4aa570adcbc712dec15f4575aa81a04
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SHA1
f7aa043b98413ea1d09c0c11fb397915ffb9bfd0
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SHA256
38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c
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SHA512
f5d8be44602887a6a61471107c29a8e06bda892f0f4335b89c7de2bf8a446434aea074e81776c2cd86b6f84aebc66ce0d72a0458670e1c0cc8558c061be4bf12
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SSDEEP
98304:xU0qXVKzaVscvmXclqcOSInQ+o4NuuWCNVEesrBVYPIlQya:mnXEXcl5+yCNVEesrkQa
Malware Config
Signatures
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Glupteba payload 22 IoCs
resource yara_rule behavioral1/memory/4936-2-0x0000000005190000-0x0000000005A7B000-memory.dmp family_glupteba behavioral1/memory/4936-3-0x0000000000400000-0x0000000002FBB000-memory.dmp family_glupteba behavioral1/memory/4936-5-0x0000000000400000-0x0000000002FBB000-memory.dmp family_glupteba behavioral1/memory/4936-6-0x0000000005190000-0x0000000005A7B000-memory.dmp family_glupteba behavioral1/memory/4936-9-0x0000000000400000-0x0000000002FBB000-memory.dmp family_glupteba behavioral1/memory/4936-71-0x0000000000400000-0x0000000002FBB000-memory.dmp family_glupteba behavioral1/memory/4936-309-0x0000000000400000-0x0000000002FBB000-memory.dmp family_glupteba behavioral1/memory/2040-312-0x0000000000400000-0x0000000002FBB000-memory.dmp family_glupteba behavioral1/memory/2040-351-0x0000000000400000-0x0000000002FBB000-memory.dmp family_glupteba behavioral1/memory/2040-589-0x0000000000400000-0x0000000002FBB000-memory.dmp family_glupteba behavioral1/memory/2040-1044-0x0000000000400000-0x0000000002FBB000-memory.dmp family_glupteba behavioral1/memory/2040-1057-0x0000000000400000-0x0000000002FBB000-memory.dmp family_glupteba behavioral1/memory/4708-1061-0x0000000005600000-0x0000000005EEB000-memory.dmp family_glupteba behavioral1/memory/4708-1062-0x0000000000400000-0x0000000002FBB000-memory.dmp family_glupteba behavioral1/memory/4708-1167-0x0000000000400000-0x0000000002FBB000-memory.dmp family_glupteba behavioral1/memory/4708-1339-0x0000000000400000-0x0000000002FBB000-memory.dmp family_glupteba behavioral1/memory/4708-1813-0x0000000000400000-0x0000000002FBB000-memory.dmp family_glupteba behavioral1/memory/4708-1821-0x0000000000400000-0x0000000002FBB000-memory.dmp family_glupteba behavioral1/memory/4708-1823-0x0000000000400000-0x0000000002FBB000-memory.dmp family_glupteba behavioral1/memory/4708-1825-0x0000000000400000-0x0000000002FBB000-memory.dmp family_glupteba behavioral1/memory/4708-1827-0x0000000000400000-0x0000000002FBB000-memory.dmp family_glupteba behavioral1/memory/4708-1829-0x0000000000400000-0x0000000002FBB000-memory.dmp family_glupteba -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe = "0" 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 764 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4708 csrss.exe 2344 injector.exe 1920 windefender.exe 2604 windefender.exe -
resource yara_rule behavioral1/files/0x000700000001af66-1816.dat upx behavioral1/files/0x000700000001af66-1818.dat upx behavioral1/files/0x000700000001af66-1819.dat upx behavioral1/memory/1920-1820-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2604-1822-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2604-1826-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe = "0" 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2204032094-4125186646-761438227-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-2204032094-4125186646-761438227-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.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 opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe File created C:\Windows\rss\csrss.exe 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3916 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 5004 schtasks.exe 756 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.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" 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.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,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.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\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2322 = "Sakhalin 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" 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4996 powershell.exe 4996 powershell.exe 4996 powershell.exe 4936 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe 4936 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe 1964 powershell.exe 1964 powershell.exe 1964 powershell.exe 2040 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe 2040 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe 2040 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe 2040 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe 2040 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe 2040 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe 2040 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe 2040 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe 2040 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe 2040 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe 5068 powershell.exe 5068 powershell.exe 5068 powershell.exe 5052 powershell.exe 5052 powershell.exe 5052 powershell.exe 3428 powershell.exe 3428 powershell.exe 3428 powershell.exe 200 powershell.exe 200 powershell.exe 200 powershell.exe 2556 powershell.exe 2556 powershell.exe 2556 powershell.exe 2344 injector.exe 2344 injector.exe 2344 injector.exe 2344 injector.exe 2344 injector.exe 2344 injector.exe 4708 csrss.exe 4708 csrss.exe 2344 injector.exe 2344 injector.exe 2344 injector.exe 2344 injector.exe 2344 injector.exe 2344 injector.exe 4708 csrss.exe 4708 csrss.exe 2344 injector.exe 2344 injector.exe 2344 injector.exe 2344 injector.exe 4708 csrss.exe 4708 csrss.exe 2344 injector.exe 2344 injector.exe 2344 injector.exe 2344 injector.exe 2344 injector.exe 2344 injector.exe 2344 injector.exe 2344 injector.exe 2344 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4996 powershell.exe Token: SeDebugPrivilege 4936 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe Token: SeImpersonatePrivilege 4936 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe Token: SeDebugPrivilege 1964 powershell.exe Token: SeDebugPrivilege 5068 powershell.exe Token: SeDebugPrivilege 5052 powershell.exe Token: SeDebugPrivilege 3428 powershell.exe Token: SeDebugPrivilege 200 powershell.exe Token: SeDebugPrivilege 2556 powershell.exe Token: SeSystemEnvironmentPrivilege 4708 csrss.exe Token: SeSecurityPrivilege 3916 sc.exe Token: SeSecurityPrivilege 3916 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4936 wrote to memory of 4996 4936 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe 71 PID 4936 wrote to memory of 4996 4936 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe 71 PID 4936 wrote to memory of 4996 4936 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe 71 PID 2040 wrote to memory of 1964 2040 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe 76 PID 2040 wrote to memory of 1964 2040 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe 76 PID 2040 wrote to memory of 1964 2040 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe 76 PID 2040 wrote to memory of 5108 2040 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe 78 PID 2040 wrote to memory of 5108 2040 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe 78 PID 5108 wrote to memory of 764 5108 cmd.exe 80 PID 5108 wrote to memory of 764 5108 cmd.exe 80 PID 2040 wrote to memory of 5068 2040 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe 81 PID 2040 wrote to memory of 5068 2040 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe 81 PID 2040 wrote to memory of 5068 2040 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe 81 PID 2040 wrote to memory of 5052 2040 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe 83 PID 2040 wrote to memory of 5052 2040 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe 83 PID 2040 wrote to memory of 5052 2040 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe 83 PID 2040 wrote to memory of 4708 2040 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe 85 PID 2040 wrote to memory of 4708 2040 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe 85 PID 2040 wrote to memory of 4708 2040 38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe 85 PID 4708 wrote to memory of 3428 4708 csrss.exe 86 PID 4708 wrote to memory of 3428 4708 csrss.exe 86 PID 4708 wrote to memory of 3428 4708 csrss.exe 86 PID 4708 wrote to memory of 200 4708 csrss.exe 92 PID 4708 wrote to memory of 200 4708 csrss.exe 92 PID 4708 wrote to memory of 200 4708 csrss.exe 92 PID 4708 wrote to memory of 2556 4708 csrss.exe 95 PID 4708 wrote to memory of 2556 4708 csrss.exe 95 PID 4708 wrote to memory of 2556 4708 csrss.exe 95 PID 4708 wrote to memory of 2344 4708 csrss.exe 97 PID 4708 wrote to memory of 2344 4708 csrss.exe 97 PID 1920 wrote to memory of 3420 1920 windefender.exe 104 PID 1920 wrote to memory of 3420 1920 windefender.exe 104 PID 1920 wrote to memory of 3420 1920 windefender.exe 104 PID 3420 wrote to memory of 3916 3420 cmd.exe 105 PID 3420 wrote to memory of 3916 3420 cmd.exe 105 PID 3420 wrote to memory of 3916 3420 cmd.exe 105 -
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\38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe"C:\Users\Admin\AppData\Local\Temp\38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4936 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4996
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C:\Users\Admin\AppData\Local\Temp\38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.exe"C:\Users\Admin\AppData\Local\Temp\38e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c.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:2040 -
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:1964
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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:5108 -
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:764
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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:5068
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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:5052
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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:4708 -
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:3428
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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:5004
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:5060
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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:200
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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:2556
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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:2344
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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:756
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1920 -
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:3420 -
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:3916
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2604
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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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
MD592bb32a827dd61c9aaaf8ebb553343ce
SHA19b591989782b7167583b5617abbc052a73bb8627
SHA25617cc5a12e818420762a1b66f6ac32866f6ca07331926e7d8d3d9c06b9469b6ec
SHA5124612d8d0c451b6392d3e8eec9657ae5693573695ad1b2f77cc87e211ccdc42672437286f6bf08faac9be0412c47a34558e2949d65333b32473f98d71627f7cc9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD573cf82aac0fee4c10144ff70f600b5ba
SHA19caf2a798c98ccfc0c019f3bef6fa1a4c60cafcf
SHA256e5fc8e2f475492a2970b8cf69dc255c267cc8217fbce8e7c56d9bb34fab2a5cd
SHA5126663c24097e8f761f1783411d7530b67ba1798f367598b9d029d4a01b729cdbe7865df8c37ba566d751d2f5a540d8ccc4328ed2f14c1d671384f62256ea600b9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD57141a36c77238b5b2b4af2917be95ea8
SHA1c8ccd9086dedec03a6a1e2ce5f2879c6533fe62f
SHA256ac9392afdcc647a6912fecae6f41670ff51d522d7f638afe33262b85a2d73a4d
SHA5125f36c3f2410d43d2754e5940b8a8e3ccc46239f638f5a646c38444a1fc0ed63868bf63428ac091cb339375e992ac1d740f1e42a45208c11e7ff4761467f0a94f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5e392e8463dc3f50b51d3a451d1fc8559
SHA1432544b8fa41062c3531d8186d9bbc3bc51bc567
SHA2561d9966180da68e3820b89b33e8cd57ad483d899204900d14164910389a63604c
SHA512c2757be3b86e1bff59546d56997104223d563efd32fe3c66321bc96870b07fe27527710b14265f15e0faefd5a23c01da66395d728c203f708cf119ab191fdbf1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD58c63feeb3e6b1c68209582e6925e554f
SHA15beecc2e931d9a569c859289d1c8b6ce12d03606
SHA256110af5d9545fecf6b93f7363d4824980b111101a2765a299b3d353aa456680eb
SHA512fbb5bf8c172d2194a053bf00e74cb4ef39b4e4cd98e59fe706b594edaad4ad8ba01fd4d9937b574ca73ecd2579a18b1381effff3dbfd8bdfa032918bf7302d1a
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Filesize
4.1MB
MD5e4aa570adcbc712dec15f4575aa81a04
SHA1f7aa043b98413ea1d09c0c11fb397915ffb9bfd0
SHA25638e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c
SHA512f5d8be44602887a6a61471107c29a8e06bda892f0f4335b89c7de2bf8a446434aea074e81776c2cd86b6f84aebc66ce0d72a0458670e1c0cc8558c061be4bf12
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Filesize
4.1MB
MD5e4aa570adcbc712dec15f4575aa81a04
SHA1f7aa043b98413ea1d09c0c11fb397915ffb9bfd0
SHA25638e702328dabb969824dfc07c26dd37f294a90c40633fb0e64df91f997a7e45c
SHA512f5d8be44602887a6a61471107c29a8e06bda892f0f4335b89c7de2bf8a446434aea074e81776c2cd86b6f84aebc66ce0d72a0458670e1c0cc8558c061be4bf12
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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