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Analysis
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max time kernel
150s -
max time network
142s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
14/05/2024, 12:26
Static task
static1
Behavioral task
behavioral1
Sample
2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe
Resource
win10v2004-20240508-en
General
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Target
2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe
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Size
4.1MB
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MD5
b0ad905c9dc82ad025c9897ded2bc15b
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SHA1
bda3c29d8a8f45cfcee8ac258415d4e5f2ec8e19
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SHA256
2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb
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SHA512
56ee0c317280e69be311e8fd1fc944236b107005bbbb3c2481e6b67517fdbe94a51378e3a216b87063d61593c38e8334bad785a6fcfec13fe24b9904da516d15
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SSDEEP
98304:GfV9Xpq/Nr9h7yiBXUeur8+6kv7/RnnOPzZEhs:G7XWr9h7zUnHlnn2ZCs
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/4352-2-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral2/memory/4352-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4352-53-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral2/memory/4352-77-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2600-121-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2600-127-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/568-196-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/568-213-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/568-214-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/568-217-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/568-222-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/568-224-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/568-226-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/568-229-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/568-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/568-235-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/568-238-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/568-241-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3124 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 568 csrss.exe 3156 injector.exe 4272 windefender.exe 3356 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9ec-205.dat upx behavioral2/memory/4272-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3356-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4272-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3356-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3356-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\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 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 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 -
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 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe File created C:\Windows\rss\csrss.exe 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.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 3924 sc.exe -
pid Process 3992 powershell.exe 936 powershell.exe 2668 powershell.exe 652 powershell.exe 2240 powershell.exe 848 powershell.exe 1548 powershell.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 2364 schtasks.exe 2680 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\2a\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.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\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3992 powershell.exe 3992 powershell.exe 4352 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe 4352 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe 936 powershell.exe 936 powershell.exe 2600 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe 2600 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe 2600 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe 2600 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe 2600 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe 2600 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe 2600 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe 2600 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe 2600 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe 2600 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe 2668 powershell.exe 2668 powershell.exe 652 powershell.exe 652 powershell.exe 2240 powershell.exe 2240 powershell.exe 848 powershell.exe 848 powershell.exe 1548 powershell.exe 1548 powershell.exe 3156 injector.exe 3156 injector.exe 3156 injector.exe 3156 injector.exe 3156 injector.exe 3156 injector.exe 568 csrss.exe 568 csrss.exe 3156 injector.exe 3156 injector.exe 3156 injector.exe 3156 injector.exe 3156 injector.exe 3156 injector.exe 568 csrss.exe 568 csrss.exe 3156 injector.exe 3156 injector.exe 3156 injector.exe 3156 injector.exe 568 csrss.exe 568 csrss.exe 3156 injector.exe 3156 injector.exe 3156 injector.exe 3156 injector.exe 3156 injector.exe 3156 injector.exe 3156 injector.exe 3156 injector.exe 3156 injector.exe 3156 injector.exe 3156 injector.exe 3156 injector.exe 3156 injector.exe 3156 injector.exe 3156 injector.exe 3156 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3992 powershell.exe Token: SeDebugPrivilege 4352 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe Token: SeImpersonatePrivilege 4352 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe Token: SeDebugPrivilege 936 powershell.exe Token: SeDebugPrivilege 2668 powershell.exe Token: SeDebugPrivilege 652 powershell.exe Token: SeDebugPrivilege 2240 powershell.exe Token: SeDebugPrivilege 848 powershell.exe Token: SeDebugPrivilege 1548 powershell.exe Token: SeSystemEnvironmentPrivilege 568 csrss.exe Token: SeSecurityPrivilege 3924 sc.exe Token: SeSecurityPrivilege 3924 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4352 wrote to memory of 3992 4352 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe 84 PID 4352 wrote to memory of 3992 4352 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe 84 PID 4352 wrote to memory of 3992 4352 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe 84 PID 2600 wrote to memory of 936 2600 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe 89 PID 2600 wrote to memory of 936 2600 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe 89 PID 2600 wrote to memory of 936 2600 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe 89 PID 2600 wrote to memory of 3324 2600 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe 91 PID 2600 wrote to memory of 3324 2600 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe 91 PID 3324 wrote to memory of 3124 3324 cmd.exe 93 PID 3324 wrote to memory of 3124 3324 cmd.exe 93 PID 2600 wrote to memory of 2668 2600 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe 94 PID 2600 wrote to memory of 2668 2600 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe 94 PID 2600 wrote to memory of 2668 2600 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe 94 PID 2600 wrote to memory of 652 2600 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe 96 PID 2600 wrote to memory of 652 2600 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe 96 PID 2600 wrote to memory of 652 2600 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe 96 PID 2600 wrote to memory of 568 2600 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe 98 PID 2600 wrote to memory of 568 2600 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe 98 PID 2600 wrote to memory of 568 2600 2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe 98 PID 568 wrote to memory of 2240 568 csrss.exe 99 PID 568 wrote to memory of 2240 568 csrss.exe 99 PID 568 wrote to memory of 2240 568 csrss.exe 99 PID 568 wrote to memory of 848 568 csrss.exe 105 PID 568 wrote to memory of 848 568 csrss.exe 105 PID 568 wrote to memory of 848 568 csrss.exe 105 PID 568 wrote to memory of 1548 568 csrss.exe 107 PID 568 wrote to memory of 1548 568 csrss.exe 107 PID 568 wrote to memory of 1548 568 csrss.exe 107 PID 568 wrote to memory of 3156 568 csrss.exe 109 PID 568 wrote to memory of 3156 568 csrss.exe 109 PID 4272 wrote to memory of 1940 4272 windefender.exe 115 PID 4272 wrote to memory of 1940 4272 windefender.exe 115 PID 4272 wrote to memory of 1940 4272 windefender.exe 115 PID 1940 wrote to memory of 3924 1940 cmd.exe 116 PID 1940 wrote to memory of 3924 1940 cmd.exe 116 PID 1940 wrote to memory of 3924 1940 cmd.exe 116 -
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\2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe"C:\Users\Admin\AppData\Local\Temp\2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4352 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3992
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C:\Users\Admin\AppData\Local\Temp\2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe"C:\Users\Admin\AppData\Local\Temp\2508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb.exe"2⤵
- 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:2600 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:936
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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:3324 -
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:3124
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2668
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:652
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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:568 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2240
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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:2364
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2060
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:848
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1548
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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:3156
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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:2680
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4272 -
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:1940 -
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:3924
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3356
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
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a9bf65310d901d083b4482f0dc9e4c5d
SHA16b16d59e0a0d996fb2aa5a24e5e5bc8a16f15c02
SHA256712c4e74c93969dd4aa80ea3ddd42c8ebc6b0ee4a94c8f1469ea8f094bb576bd
SHA51215ea270b5f95769b0a8e46cdae575ce5061bf1bb2fcdbeada300905d954ea407b650cf2ff6865fce0b9350c06c5584da1aac2e3dfb814da0c7d375fb5332a2e2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a3c87fab6fce689c216426f9b3979e63
SHA1a82c93450d991a382158fe610c4e54ada0d34e7b
SHA25601270d9a5e67e763a805cf7f37be75840268ae1afac5bcd304a2b50991f84156
SHA512e1edb3983076a727c811b812c63fa5de7734de80e392132b5a403a39ab85beff6f77b43acac39d8cc0abfa78319732a9d13f0edbbcde00b88fbc6ec3fbe60bac
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51409cd2a0ad5eeb32e131ad8a2800554
SHA1028c8fe7a089ece64d98f03a0322cbe295683f1a
SHA256561883c13888694a5e3833f27017e21079fe005e91ddf4f59022df1598a0475e
SHA51291129c3f1cd8cc359515d1f1d2c39be2283f47f10a499130c6c703e637aa0e7ec2c980a8d404a6dde26fd626a97ad189eddb12668ec383250f364e40f1822e86
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56fc5afe0e9c9d8b022aad7c0fdd20421
SHA178339c82d42911ddc9056937ad1403a5feb2d70a
SHA2567b5a3c8f7e18b1110dd839421683e6350e2a5675bd373ff9a7b559c3794a91de
SHA5120ef903412c7ec1118cf37b7354e5b9a5d1fdfe96b2d6ca8833b939c28d482da2988971171267f4c8c73f47dabecff90a9cf59ea8cd643f34bd93d62bbdb2586d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51ddab9a34cafeab118a3754f6241e167
SHA12fbad797305d1469b7dac37bee7350d5ca580ddd
SHA25601a895ae6d0119c05726fc2330aae586c1e0b143919974f9b56c3243d80e6e23
SHA5121fe257e21a4329d009379bdb3e665f22b67f5e9f3121af840a4f97f54779a3a36fe1510619b21bdddf52dca7709b9d5684832a76dd02c58892dc64dbc2f5443f
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Filesize
4.1MB
MD5b0ad905c9dc82ad025c9897ded2bc15b
SHA1bda3c29d8a8f45cfcee8ac258415d4e5f2ec8e19
SHA2562508c2951285a1739ce3f3bb51266ced8da3b38bf244cd5bc0d21a69280d36bb
SHA51256ee0c317280e69be311e8fd1fc944236b107005bbbb3c2481e6b67517fdbe94a51378e3a216b87063d61593c38e8334bad785a6fcfec13fe24b9904da516d15
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec