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Analysis
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max time kernel
300s -
max time network
307s -
platform
windows10-1703_x64 -
resource
win10-20240221-en -
resource tags
arch:x64arch:x86image:win10-20240221-enlocale:en-usos:windows10-1703-x64system -
submitted
29/02/2024, 05:04
Static task
static1
Behavioral task
behavioral1
Sample
d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe
Resource
win7-20240221-en
General
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Target
d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe
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Size
4.1MB
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MD5
e7ea305b3233c4f349d7c5e8a8b99fdd
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SHA1
28a070ff428bead315e79c6e79f002270ce5b211
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SHA256
d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de
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SHA512
f203e8f3e45981c32b3a013549fa4ee3564fe20cdc701214024b013fa360f66f9ba14be98026f1e9802cccf48606b6d33e4bd9f150deb0765b78df967c1229e7
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SSDEEP
98304:AL3qvPQpdwFSRzutOtVgrtE3GtiyAu5Gxkq:Am3Q3+2AOtVStECE4GWq
Malware Config
Signatures
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Glupteba payload 37 IoCs
resource yara_rule behavioral2/memory/4784-2-0x0000000004920000-0x000000000520B000-memory.dmp family_glupteba behavioral2/memory/4784-3-0x0000000000400000-0x00000000026BD000-memory.dmp family_glupteba behavioral2/memory/4784-17-0x0000000000400000-0x00000000026BD000-memory.dmp family_glupteba behavioral2/memory/4784-76-0x0000000004920000-0x000000000520B000-memory.dmp family_glupteba behavioral2/memory/4784-158-0x0000000000400000-0x00000000026BD000-memory.dmp family_glupteba behavioral2/memory/4784-306-0x0000000000400000-0x00000000026BD000-memory.dmp family_glupteba behavioral2/memory/2100-309-0x0000000004920000-0x000000000520B000-memory.dmp family_glupteba behavioral2/memory/2100-310-0x0000000000400000-0x00000000026BD000-memory.dmp family_glupteba behavioral2/memory/2100-336-0x0000000000400000-0x00000000026BD000-memory.dmp family_glupteba behavioral2/memory/2100-592-0x0000000000400000-0x00000000026BD000-memory.dmp family_glupteba behavioral2/memory/2100-806-0x0000000000400000-0x00000000026BD000-memory.dmp family_glupteba behavioral2/memory/2100-1057-0x0000000000400000-0x00000000026BD000-memory.dmp family_glupteba behavioral2/memory/2072-1060-0x0000000000400000-0x00000000026BD000-memory.dmp family_glupteba behavioral2/memory/2072-1095-0x0000000000400000-0x00000000026BD000-memory.dmp family_glupteba behavioral2/memory/2072-1583-0x0000000000400000-0x00000000026BD000-memory.dmp family_glupteba behavioral2/memory/2072-1810-0x0000000000400000-0x00000000026BD000-memory.dmp family_glupteba behavioral2/memory/2072-1819-0x0000000000400000-0x00000000026BD000-memory.dmp family_glupteba behavioral2/memory/2072-1821-0x0000000000400000-0x00000000026BD000-memory.dmp family_glupteba behavioral2/memory/2072-1823-0x0000000000400000-0x00000000026BD000-memory.dmp family_glupteba behavioral2/memory/2072-1825-0x0000000000400000-0x00000000026BD000-memory.dmp family_glupteba behavioral2/memory/2072-1827-0x0000000000400000-0x00000000026BD000-memory.dmp family_glupteba behavioral2/memory/2072-1829-0x0000000000400000-0x00000000026BD000-memory.dmp family_glupteba behavioral2/memory/2072-1831-0x0000000000400000-0x00000000026BD000-memory.dmp family_glupteba behavioral2/memory/2072-1833-0x0000000000400000-0x00000000026BD000-memory.dmp family_glupteba behavioral2/memory/2072-1835-0x0000000000400000-0x00000000026BD000-memory.dmp family_glupteba behavioral2/memory/2072-1837-0x0000000000400000-0x00000000026BD000-memory.dmp family_glupteba behavioral2/memory/2072-1839-0x0000000000400000-0x00000000026BD000-memory.dmp family_glupteba behavioral2/memory/2072-1841-0x0000000000400000-0x00000000026BD000-memory.dmp family_glupteba behavioral2/memory/2072-1843-0x0000000000400000-0x00000000026BD000-memory.dmp family_glupteba behavioral2/memory/2072-1845-0x0000000000400000-0x00000000026BD000-memory.dmp family_glupteba behavioral2/memory/2072-1847-0x0000000000400000-0x00000000026BD000-memory.dmp family_glupteba behavioral2/memory/2072-1849-0x0000000000400000-0x00000000026BD000-memory.dmp family_glupteba behavioral2/memory/2072-1851-0x0000000000400000-0x00000000026BD000-memory.dmp family_glupteba behavioral2/memory/2072-1853-0x0000000000400000-0x00000000026BD000-memory.dmp family_glupteba behavioral2/memory/2072-1855-0x0000000000400000-0x00000000026BD000-memory.dmp family_glupteba behavioral2/memory/2072-1857-0x0000000000400000-0x00000000026BD000-memory.dmp family_glupteba behavioral2/memory/2072-1859-0x0000000000400000-0x00000000026BD000-memory.dmp family_glupteba -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe = "0" d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2588 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2072 csrss.exe 220 injector.exe 5116 windefender.exe 224 windefender.exe -
resource yara_rule behavioral2/files/0x000700000001ac05-1813.dat upx behavioral2/memory/5116-1818-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/224-1820-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/224-1824-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe = "0" d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-313240725-3527728709-4038673254-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe Set value (str) \REGISTRY\USER\S-1-5-21-313240725-3527728709-4038673254-1000\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 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 d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe File created C:\Windows\rss\csrss.exe d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.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 2148 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 4572 schtasks.exe 4348 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,-442 = "Arabian Standard Time" d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.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\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.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\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-104 = "Central Brazilian 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,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-434 = "Georgian 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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\1a\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5116 powershell.exe 5116 powershell.exe 5116 powershell.exe 4784 d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe 4784 d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe 3556 powershell.exe 3556 powershell.exe 3556 powershell.exe 2100 d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe 2100 d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe 2100 d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe 2100 d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe 2100 d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe 2100 d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe 2100 d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe 2100 d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe 2100 d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe 2100 d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe 316 powershell.exe 316 powershell.exe 316 powershell.exe 3996 powershell.exe 3996 powershell.exe 3996 powershell.exe 4688 powershell.exe 4688 powershell.exe 4688 powershell.exe 3404 powershell.exe 3404 powershell.exe 3404 powershell.exe 1692 powershell.exe 1692 powershell.exe 1692 powershell.exe 220 injector.exe 220 injector.exe 220 injector.exe 220 injector.exe 220 injector.exe 220 injector.exe 220 injector.exe 220 injector.exe 2072 csrss.exe 2072 csrss.exe 220 injector.exe 220 injector.exe 220 injector.exe 220 injector.exe 220 injector.exe 220 injector.exe 2072 csrss.exe 2072 csrss.exe 220 injector.exe 220 injector.exe 220 injector.exe 220 injector.exe 2072 csrss.exe 2072 csrss.exe 220 injector.exe 220 injector.exe 220 injector.exe 220 injector.exe 220 injector.exe 220 injector.exe 220 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5116 powershell.exe Token: SeDebugPrivilege 4784 d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe Token: SeImpersonatePrivilege 4784 d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe Token: SeDebugPrivilege 3556 powershell.exe Token: SeDebugPrivilege 316 powershell.exe Token: SeDebugPrivilege 3996 powershell.exe Token: SeDebugPrivilege 4688 powershell.exe Token: SeDebugPrivilege 3404 powershell.exe Token: SeDebugPrivilege 1692 powershell.exe Token: SeSystemEnvironmentPrivilege 2072 csrss.exe Token: SeSecurityPrivilege 2148 sc.exe Token: SeSecurityPrivilege 2148 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4784 wrote to memory of 5116 4784 d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe 75 PID 4784 wrote to memory of 5116 4784 d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe 75 PID 4784 wrote to memory of 5116 4784 d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe 75 PID 2100 wrote to memory of 3556 2100 d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe 80 PID 2100 wrote to memory of 3556 2100 d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe 80 PID 2100 wrote to memory of 3556 2100 d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe 80 PID 2100 wrote to memory of 2188 2100 d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe 82 PID 2100 wrote to memory of 2188 2100 d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe 82 PID 2188 wrote to memory of 2588 2188 cmd.exe 84 PID 2188 wrote to memory of 2588 2188 cmd.exe 84 PID 2100 wrote to memory of 316 2100 d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe 85 PID 2100 wrote to memory of 316 2100 d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe 85 PID 2100 wrote to memory of 316 2100 d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe 85 PID 2100 wrote to memory of 3996 2100 d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe 87 PID 2100 wrote to memory of 3996 2100 d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe 87 PID 2100 wrote to memory of 3996 2100 d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe 87 PID 2100 wrote to memory of 2072 2100 d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe 89 PID 2100 wrote to memory of 2072 2100 d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe 89 PID 2100 wrote to memory of 2072 2100 d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe 89 PID 2072 wrote to memory of 4688 2072 csrss.exe 91 PID 2072 wrote to memory of 4688 2072 csrss.exe 91 PID 2072 wrote to memory of 4688 2072 csrss.exe 91 PID 2072 wrote to memory of 3404 2072 csrss.exe 97 PID 2072 wrote to memory of 3404 2072 csrss.exe 97 PID 2072 wrote to memory of 3404 2072 csrss.exe 97 PID 2072 wrote to memory of 1692 2072 csrss.exe 99 PID 2072 wrote to memory of 1692 2072 csrss.exe 99 PID 2072 wrote to memory of 1692 2072 csrss.exe 99 PID 2072 wrote to memory of 220 2072 csrss.exe 101 PID 2072 wrote to memory of 220 2072 csrss.exe 101 PID 5116 wrote to memory of 2764 5116 windefender.exe 108 PID 5116 wrote to memory of 2764 5116 windefender.exe 108 PID 5116 wrote to memory of 2764 5116 windefender.exe 108 PID 2764 wrote to memory of 2148 2764 cmd.exe 109 PID 2764 wrote to memory of 2148 2764 cmd.exe 109 PID 2764 wrote to memory of 2148 2764 cmd.exe 109 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe"C:\Users\Admin\AppData\Local\Temp\d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4784 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5116
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C:\Users\Admin\AppData\Local\Temp\d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.exe"C:\Users\Admin\AppData\Local\Temp\d3998862c72226f50b96cefa76c09b1c893bf1056a25b4c51b361584735743de.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:2100 -
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:3556
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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:2188 -
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:2588
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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:316
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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:3996
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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:2072 -
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:4688
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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:4572
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1112
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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:3404
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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:1692
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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:220
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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:4348
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5116 -
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:2764 -
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:2148
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:224
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
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
MD561e0af4dfffc9bb4cd2c0182dcf0525f
SHA18c6d64c4381c7b058f1d8d6a0a7779d5ffd84262
SHA25656bcde7111885ffc4099cc9b45f23e6137c607d5795171df7089882dde6bcc29
SHA5120276b2e31d3b0872fea45d6e32cb21bac2fce0dada01011202a0ab6cffc0fa6024bbdcaee08b43fbdd6a80ab6b2519e6b924afad13df6a4205f7ccb826662c44
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5940a46274a7ac536dbc8a4b1a8c91c95
SHA108cabc24db522151593fe5ffc848097c7a5af479
SHA2564a80145413c98c073e93858d9eed65735496a843a435e48cc27249d0beb6add6
SHA5121c2b91ffc9fc027d37af54e3ee25e54f625fc4a32bbd33b87d9680c33ab9de2d61475891bfc1cbf93fa77fb2cebba7270e4a06a8954d08e689ad80f06b238f02
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5d91555642ec436f0bec9cbfca860c33a
SHA1e52421849322310c68665baf2f783fae430f25b2
SHA256677a38dabdeedc17051e06f3e5f9addc5f7aa4b4f9e7f66398d52347d6beccb2
SHA5126642cbc5372aa725c72e4d5a30fa8b824ba773dac9bbd5caa0d74594deecdd92be82254893e3d6103fa0f1530420c9d151bfad12822d8b27d2a3964ce7da2802
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD597cd891ed70451ee25030be3ca76c9e4
SHA14ac0cd13c0345da1e835257d6b04b125ee3d0e4c
SHA25600cbbfe98e3862a8bc4e2f1a3730ac915c878bb9d624dce542d8b63e645728d8
SHA5122f1105bd1f540ac23518181cc3e8d31cafd00e819d6f765f79d7fca6d7d8c200ad51c3a4eca2cece31ea212810041be1342337ebf87ac691f9cdfad2850f9fdf
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5cdc991425156250b11d64b123b198167
SHA1a796afefdee6158a18b7da413f394afa4f8f52a4
SHA25629e1416846468c9862e00895d089abd6740e08620cd94696966a20f881f71588
SHA512c1f2f94b0f6d8dfe60e772e4dc1a72953128f774d1455bb8eb56e39bcdadf7862064f1c1c13c25d8043d600526dac976ad7758d0ea3d40aee0b37f3ec29e669a
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Filesize
384KB
MD589642a4e6713387597d859dc2c792427
SHA1edce99fb474be07a75e2790fa6716be4d16cdf6b
SHA2567a298e58b555df22ecc1f2c4ffa92d972e89317f1faebd54e1c162287ae1f329
SHA512a5c1bc0cdbb69b7ad2474470d8c0a65bae1476cd271f77e23c9ba0d09e478da5af44b416e3c4494a11f7d2e63506ac40df7e0980bac4c5a1aa900029c8ce5332
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Filesize
448KB
MD596341e3f606c48da493f879abc7a64af
SHA17c273c5b0f4f36d0a9bf9aac215f44b66fea619f
SHA25603a55aea29687b6f5d2546165d7ec7ed117841aa28559092d9c99e748ce83e28
SHA512b82feba49c77bda2e99ea37f37ce8a3fd7f4776c82e32da18974f514ecb05c8b83c75a1c7e43dab11a70cbad5e4067f3731375143be4411625a8b54df87c967e
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec