Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 17:08
Static task
static1
Behavioral task
behavioral1
Sample
144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe
Resource
win7-20231129-en
General
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Target
144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe
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Size
4.1MB
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MD5
da57e4cfdacfc7c09fee333949a64997
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SHA1
14fe352185eb6fb12fb20a103c2a118230dab52d
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SHA256
144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028
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SHA512
aec750592d703509b7173b4660fe5d8f1c66a0f746d4c135f223cd4ad56ade3e52cece93b8d0532e6cb91945640c221bed935241bade05bd24cf49867cdd6a7b
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SSDEEP
98304:vQx32Mq02zAeaet/0/YHlEVnWsL/fnVsJseCa8CK6QwXNx08FP:4x32Mq02zAeLCVnWszfVfeCa8CLXv/1
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/4920-2-0x0000000004B50000-0x000000000543B000-memory.dmp family_glupteba behavioral2/memory/4920-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4920-4-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4920-58-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4920-57-0x0000000004B50000-0x000000000543B000-memory.dmp family_glupteba behavioral2/memory/4920-55-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2348-83-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2348-137-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3744-175-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3744-222-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3744-232-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3744-234-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3744-236-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3744-238-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3744-240-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3744-242-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3744-244-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3744-246-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3744-248-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1064 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3744 csrss.exe 4292 injector.exe 1076 windefender.exe 1436 windefender.exe -
resource yara_rule behavioral2/files/0x000800000002360b-225.dat upx behavioral2/memory/1076-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1436-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1076-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1436-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1436-237-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\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 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 -
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 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe File created C:\Windows\rss\csrss.exe 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.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 4180 sc.exe -
pid Process 1088 powershell.exe 964 powershell.exe 4472 powershell.exe 3804 powershell.exe 4628 powershell.exe 3904 powershell.exe 1500 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 4948 schtasks.exe 2188 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,-2751 = "Tomsk Daylight Time" 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\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,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 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\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs 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\2a\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.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\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4472 powershell.exe 4472 powershell.exe 4472 powershell.exe 4920 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 4920 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 3804 powershell.exe 3804 powershell.exe 3804 powershell.exe 2348 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 2348 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 2348 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 2348 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 2348 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 2348 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 2348 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 2348 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 2348 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 2348 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 4628 powershell.exe 4628 powershell.exe 4628 powershell.exe 3904 powershell.exe 3904 powershell.exe 3904 powershell.exe 1500 powershell.exe 1500 powershell.exe 1500 powershell.exe 1088 powershell.exe 1088 powershell.exe 1088 powershell.exe 964 powershell.exe 964 powershell.exe 964 powershell.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 3744 csrss.exe 3744 csrss.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 3744 csrss.exe 3744 csrss.exe 4292 injector.exe 4292 injector.exe 3744 csrss.exe 3744 csrss.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4472 powershell.exe Token: SeDebugPrivilege 4920 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe Token: SeImpersonatePrivilege 4920 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe Token: SeDebugPrivilege 3804 powershell.exe Token: SeDebugPrivilege 4628 powershell.exe Token: SeDebugPrivilege 3904 powershell.exe Token: SeDebugPrivilege 1500 powershell.exe Token: SeDebugPrivilege 1088 powershell.exe Token: SeDebugPrivilege 964 powershell.exe Token: SeSystemEnvironmentPrivilege 3744 csrss.exe Token: SeSecurityPrivilege 4180 sc.exe Token: SeSecurityPrivilege 4180 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4920 wrote to memory of 4472 4920 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 103 PID 4920 wrote to memory of 4472 4920 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 103 PID 4920 wrote to memory of 4472 4920 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 103 PID 2348 wrote to memory of 3804 2348 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 108 PID 2348 wrote to memory of 3804 2348 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 108 PID 2348 wrote to memory of 3804 2348 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 108 PID 2348 wrote to memory of 2740 2348 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 110 PID 2348 wrote to memory of 2740 2348 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 110 PID 2740 wrote to memory of 1064 2740 cmd.exe 112 PID 2740 wrote to memory of 1064 2740 cmd.exe 112 PID 2348 wrote to memory of 4628 2348 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 114 PID 2348 wrote to memory of 4628 2348 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 114 PID 2348 wrote to memory of 4628 2348 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 114 PID 2348 wrote to memory of 3904 2348 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 116 PID 2348 wrote to memory of 3904 2348 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 116 PID 2348 wrote to memory of 3904 2348 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 116 PID 2348 wrote to memory of 3744 2348 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 119 PID 2348 wrote to memory of 3744 2348 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 119 PID 2348 wrote to memory of 3744 2348 144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe 119 PID 3744 wrote to memory of 1500 3744 csrss.exe 120 PID 3744 wrote to memory of 1500 3744 csrss.exe 120 PID 3744 wrote to memory of 1500 3744 csrss.exe 120 PID 3744 wrote to memory of 1088 3744 csrss.exe 126 PID 3744 wrote to memory of 1088 3744 csrss.exe 126 PID 3744 wrote to memory of 1088 3744 csrss.exe 126 PID 3744 wrote to memory of 964 3744 csrss.exe 128 PID 3744 wrote to memory of 964 3744 csrss.exe 128 PID 3744 wrote to memory of 964 3744 csrss.exe 128 PID 3744 wrote to memory of 4292 3744 csrss.exe 130 PID 3744 wrote to memory of 4292 3744 csrss.exe 130 PID 1076 wrote to memory of 1360 1076 windefender.exe 136 PID 1076 wrote to memory of 1360 1076 windefender.exe 136 PID 1076 wrote to memory of 1360 1076 windefender.exe 136 PID 1360 wrote to memory of 4180 1360 cmd.exe 137 PID 1360 wrote to memory of 4180 1360 cmd.exe 137 PID 1360 wrote to memory of 4180 1360 cmd.exe 137 -
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\144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe"C:\Users\Admin\AppData\Local\Temp\144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4920 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4472
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C:\Users\Admin\AppData\Local\Temp\144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.exe"C:\Users\Admin\AppData\Local\Temp\144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028.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:2348 -
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:3804
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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:2740 -
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:1064
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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:4628
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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:3904
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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:3744 -
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:1500
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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:2188
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4824
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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:1088
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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:964
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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:4292
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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:4948
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1076 -
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:1360 -
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:4180
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4216,i,9746875443948590908,1444894342962555245,262144 --variations-seed-version --mojo-platform-channel-handle=4332 /prefetch:81⤵PID:1420
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1436
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD508c9749a2d738e5c69ec3469092c67a2
SHA17fcab76ac3e5e2a6502c00b6a698bef48d2b45a4
SHA2560f7e0b2446a8e57d1f91f0d115e24f267cca377ecbaf63edd803157686b62790
SHA512603ec17464d2b4d7fab6dcff5b7f1d6ad6cfa6c026f93fc3085518907957a9390ad90593f28e0cd4c819e224e47e98519d4ac55ae0a2307b82621f3e062d204c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD584920a278188d88404ce30b95f58d9fd
SHA1734ada89641ad7018b724f2a0a237a754b7e60e9
SHA25698818560b84725a3992f78dab78e4ede5f4b8f975e11c2ef901227db38f7f997
SHA5120d2dbf8dd70f1c2af90a5178bdd94060c72ff512feb5b5376f80d53a7f91b9946d3f914888d1d206ecd7ab0b772745b1f93838d7d2422ba58103abb277a61ada
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD539e770d28e527696e9a20d45899220aa
SHA1c516e6675c1522a45ea4fbf86e58769bfffb71d5
SHA256e642b9a10877a70ce5e717e24966a1f390e808e662456411686625fd97b90b8e
SHA51226223bcbf55ac2403764e1828ed31d25df5ef153ea09769eff7435ba80996ca809f8f8f9e61aad74af2286a2a8ec21aae54553fdcc7ebb8b6ac483b39365e7fb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dd3d55b0e7f2065aed3e7387a1a4cf9e
SHA10906dab5f658082940cdaef41aae8b8576c0bc67
SHA25615681ba60cd65616b8726fb6e9a81e214f4b511be87047d9a1e301da75025af4
SHA512dbfe7179f5200dbcb5f1163318d2afb49ae5f1a2b00ee87273ac1953923964baaca1bcae7cd0f9cbb7819addd61279962b63aec98f62336313b3b40075cb527d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a2e1c6095c5e3bae1b5ba275d50e9583
SHA1ed423764b2f8a6c9547a4997ed9497b0e78dbe40
SHA25635704ee3801ceb5ef319b972e1594395e93380670ecfd105862c36d435c27ced
SHA512c18596c9ddb06bbcc7853fa556b81cdedbca7942dd7926e192474c763437b0bccd53527118685f4f52ce3b6bdf484b304e32f7bd4f587e68b7e9066bc177676a
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Filesize
4.1MB
MD5da57e4cfdacfc7c09fee333949a64997
SHA114fe352185eb6fb12fb20a103c2a118230dab52d
SHA256144506f4b81d7f56225ac49ff447c49a56b48f943a3a880b0e83f96caae21028
SHA512aec750592d703509b7173b4660fe5d8f1c66a0f746d4c135f223cd4ad56ade3e52cece93b8d0532e6cb91945640c221bed935241bade05bd24cf49867cdd6a7b
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec