Analysis
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max time kernel
150s -
max time network
144s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
09/05/2024, 19:37
Static task
static1
Behavioral task
behavioral1
Sample
dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe
Resource
win10v2004-20240426-en
General
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Target
dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe
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Size
4.1MB
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MD5
5bc632336f927d43a3941ed6fef39239
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SHA1
8579a041b5550d17694e892e17aaee7aa960cd77
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SHA256
dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c
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SHA512
b4c0c1ed46591d14f373ca6b3b8f421da9427e92315a11539ee8eac6667c4dabea2bbde88a8d940de157ee54864cd7b495a7ea2e4cee937b4ff5c5a0d725aa0e
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SSDEEP
98304:FwBco1salv4p8AdbboIKOJLJ1nO5Zld79mTpd:FwqoWyv4yANjKQa7ob
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/3584-2-0x0000000005030000-0x000000000591B000-memory.dmp family_glupteba behavioral2/memory/3584-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3584-50-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/3584-76-0x0000000005030000-0x000000000591B000-memory.dmp family_glupteba behavioral2/memory/2608-75-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/3584-99-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2608-124-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/828-161-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/828-201-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/828-212-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/828-215-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/828-218-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/828-221-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/828-224-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/828-227-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/828-230-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/828-233-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/828-236-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/828-239-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2752 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 828 csrss.exe 3856 injector.exe 1556 windefender.exe 4916 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9e9-205.dat upx behavioral2/memory/1556-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4916-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1556-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4916-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4916-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe File created C:\Windows\rss\csrss.exe dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.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 1332 sc.exe -
pid Process 2076 powershell.exe 4640 powershell.exe 1748 powershell.exe 2460 powershell.exe 2396 powershell.exe 4284 powershell.exe 4556 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 964 schtasks.exe 3380 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,-342 = "Egypt Standard Time" dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.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\2a\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard 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,-631 = "Tokyo Daylight Time" dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates 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,-1472 = "Magadan Standard Time" windefender.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,-2001 = "Cabo Verde Daylight Time" dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.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" dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2076 powershell.exe 2076 powershell.exe 3584 dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe 3584 dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe 4640 powershell.exe 4640 powershell.exe 2608 dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe 2608 dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe 2608 dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe 2608 dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe 2608 dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe 2608 dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe 2608 dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe 2608 dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe 2608 dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe 2608 dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe 1748 powershell.exe 1748 powershell.exe 2460 powershell.exe 2460 powershell.exe 2396 powershell.exe 2396 powershell.exe 4284 powershell.exe 4284 powershell.exe 4556 powershell.exe 4556 powershell.exe 3856 injector.exe 3856 injector.exe 3856 injector.exe 3856 injector.exe 3856 injector.exe 3856 injector.exe 828 csrss.exe 3856 injector.exe 828 csrss.exe 3856 injector.exe 3856 injector.exe 3856 injector.exe 3856 injector.exe 3856 injector.exe 828 csrss.exe 828 csrss.exe 3856 injector.exe 3856 injector.exe 3856 injector.exe 3856 injector.exe 828 csrss.exe 828 csrss.exe 3856 injector.exe 3856 injector.exe 3856 injector.exe 3856 injector.exe 3856 injector.exe 3856 injector.exe 3856 injector.exe 3856 injector.exe 3856 injector.exe 3856 injector.exe 3856 injector.exe 3856 injector.exe 3856 injector.exe 3856 injector.exe 3856 injector.exe 3856 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2076 powershell.exe Token: SeDebugPrivilege 3584 dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe Token: SeImpersonatePrivilege 3584 dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe Token: SeDebugPrivilege 4640 powershell.exe Token: SeDebugPrivilege 1748 powershell.exe Token: SeDebugPrivilege 2460 powershell.exe Token: SeDebugPrivilege 2396 powershell.exe Token: SeDebugPrivilege 4284 powershell.exe Token: SeDebugPrivilege 4556 powershell.exe Token: SeSystemEnvironmentPrivilege 828 csrss.exe Token: SeSecurityPrivilege 1332 sc.exe Token: SeSecurityPrivilege 1332 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3584 wrote to memory of 2076 3584 dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe 82 PID 3584 wrote to memory of 2076 3584 dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe 82 PID 3584 wrote to memory of 2076 3584 dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe 82 PID 2608 wrote to memory of 4640 2608 dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe 87 PID 2608 wrote to memory of 4640 2608 dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe 87 PID 2608 wrote to memory of 4640 2608 dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe 87 PID 2608 wrote to memory of 1092 2608 dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe 89 PID 2608 wrote to memory of 1092 2608 dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe 89 PID 1092 wrote to memory of 2752 1092 cmd.exe 91 PID 1092 wrote to memory of 2752 1092 cmd.exe 91 PID 2608 wrote to memory of 1748 2608 dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe 92 PID 2608 wrote to memory of 1748 2608 dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe 92 PID 2608 wrote to memory of 1748 2608 dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe 92 PID 2608 wrote to memory of 2460 2608 dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe 94 PID 2608 wrote to memory of 2460 2608 dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe 94 PID 2608 wrote to memory of 2460 2608 dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe 94 PID 2608 wrote to memory of 828 2608 dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe 96 PID 2608 wrote to memory of 828 2608 dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe 96 PID 2608 wrote to memory of 828 2608 dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe 96 PID 828 wrote to memory of 2396 828 csrss.exe 97 PID 828 wrote to memory of 2396 828 csrss.exe 97 PID 828 wrote to memory of 2396 828 csrss.exe 97 PID 828 wrote to memory of 4284 828 csrss.exe 103 PID 828 wrote to memory of 4284 828 csrss.exe 103 PID 828 wrote to memory of 4284 828 csrss.exe 103 PID 828 wrote to memory of 4556 828 csrss.exe 105 PID 828 wrote to memory of 4556 828 csrss.exe 105 PID 828 wrote to memory of 4556 828 csrss.exe 105 PID 828 wrote to memory of 3856 828 csrss.exe 107 PID 828 wrote to memory of 3856 828 csrss.exe 107 PID 1556 wrote to memory of 640 1556 windefender.exe 113 PID 1556 wrote to memory of 640 1556 windefender.exe 113 PID 1556 wrote to memory of 640 1556 windefender.exe 113 PID 640 wrote to memory of 1332 640 cmd.exe 114 PID 640 wrote to memory of 1332 640 cmd.exe 114 PID 640 wrote to memory of 1332 640 cmd.exe 114 -
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\dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe"C:\Users\Admin\AppData\Local\Temp\dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3584 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2076
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C:\Users\Admin\AppData\Local\Temp\dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.exe"C:\Users\Admin\AppData\Local\Temp\dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c.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:2608 -
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:4640
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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:1092 -
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:2752
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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:1748
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2460
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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:828 -
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:2396
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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:3380
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1980
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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:4284
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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:4556
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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:3856
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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:964
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1556 -
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:640 -
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:1332
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4916
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e911cd315add4c027a8fe72df99ed807
SHA18b2fd51603627312e17db00e59636a9054884caf
SHA25689fc31421ac7d2949e6d5ef2304a3915021a3bd1c41dccf731567d192d9de316
SHA512c07c6ddeb2b09cc965aaa6ee368c6a8d2fa37f074ff73a2f1c93f08a8d5dcfd2961cdd2277e0dfc3906b1defd420c23cf374bfbe23194e4711899f1fc3995c63
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d24824d08421ff57d5c885ca470a4259
SHA10ecfda263a5ae71c6806b873fd0c127c01e0ee72
SHA2566e70508de4ccccd843ec7761d9e1a88fa8a00df5a4e8f3b47a2cecc1d4f95dfb
SHA51285200e5beb73c46b8bd884a661e77df59da0e4ff32ccbd540cbded3eb12073f2029a2043a05ba60db2bb685c20cec6bd01e5ce46781e09c8d1d828d95350b2d7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD551d9ce9c2f1f44e88f866b5587912384
SHA1d3a84a28c8ee6ef90609670e3d98d2dc6f507ba5
SHA256f5f2d152283beac485594985d474c03733e06258432b510e12370917ebb7b71d
SHA512068962f73bd6ed55f1849c2de8873eb2ffc2e23142ac60d8934b146762c865a48e1439ca9e6c213fe3ade27c5881c21b455f7382b5ead2c1b45f4f51104c6fba
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5aa83558dedc7acece9c00b1728e1d4b7
SHA173728c0e941eb83f13d352b64931c5d84f7d6a75
SHA2561764818befdd71d4718d367970dc474259704dac4caecd51075bcefeb9ce85d6
SHA512eba53415150b417281b88289b8c99303b8e1d33b94e27f77435ad859f3893135e17a5462fc9e48bf0c8929fd2a7d19b5a89a3cb133c9cfa9c797e6c5b7adbba8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bf78c138339d05cc1955b4dcea3895dc
SHA141ded54a1328e39a62f07a284061ce27813a8892
SHA256ecbec28abb4956792b052fb69c45a947d44fe78f96baa1d62f3ee5bd3f81beaa
SHA512d4d3f73b276bcd4a1877d845f45fec3f338be6c3248390e71fedce035f286a2f1af5dec32f8e880de18bf93975da426b8295d5ef00bf828770128b1adaeae78a
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Filesize
4.1MB
MD55bc632336f927d43a3941ed6fef39239
SHA18579a041b5550d17694e892e17aaee7aa960cd77
SHA256dcbf1f165a1a28cd390a12b5161ac6f08306072e4e30afe3141e85d628b1066c
SHA512b4c0c1ed46591d14f373ca6b3b8f421da9427e92315a11539ee8eac6667c4dabea2bbde88a8d940de157ee54864cd7b495a7ea2e4cee937b4ff5c5a0d725aa0e
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec