Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
11-05-2024 09:09
Static task
static1
Behavioral task
behavioral1
Sample
288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe
Resource
win10v2004-20240508-en
General
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Target
288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe
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Size
4.1MB
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MD5
ff1bdf87819ce90f7973cdd40a3c8453
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SHA1
b798343f812189cfa88d335c56ad221983e5807e
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SHA256
288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b
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SHA512
48867edc7e114b75c951a0f5020ff819c9bf6d83965cdcfb851cf3986df74734a84ac1d660982fbe029d30cf28c3acf30adb78155206b620fea14efe037b5ac5
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SSDEEP
98304:gErTbmYqgZ1XudKeC70JrifsEkbyxLCxltfr4Ppsv6xaCIT:TD1Z1UwAUfrk2xOxPr4PpsvyaCIT
Malware Config
Signatures
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Glupteba payload 18 IoCs
Processes:
resource yara_rule behavioral1/memory/1976-2-0x0000000004A20000-0x000000000530B000-memory.dmp family_glupteba behavioral1/memory/1976-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1976-55-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/1976-57-0x0000000004A20000-0x000000000530B000-memory.dmp family_glupteba behavioral1/memory/1976-82-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2116-135-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/4872-199-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/4872-219-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/4872-230-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/4872-234-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/4872-238-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/4872-242-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/4872-246-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/4872-250-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/4872-254-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/4872-258-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/4872-262-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba behavioral1/memory/4872-266-0x0000000000400000-0x000000000295D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 4824 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 4872 csrss.exe 2912 injector.exe 2492 windefender.exe 3920 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/2492-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3920-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2492-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3920-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3920-239-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\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.
Processes:
csrss.exedescription ioc process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription 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.
Processes:
288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe -
Drops file in Windows directory 4 IoCs
Processes:
csrss.exe288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exedescription ioc process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe File created C:\Windows\rss\csrss.exe 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe File created C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid process 3740 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 1672 powershell.exe 4532 powershell.exe 2936 powershell.exe 3124 powershell.exe 1732 powershell.exe 3288 powershell.exe 4280 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 4336 schtasks.exe 1684 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.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\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs 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,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.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" 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" 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,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.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,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates 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,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.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,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exepowershell.exe288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 3124 powershell.exe 3124 powershell.exe 1976 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe 1976 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe 1732 powershell.exe 1732 powershell.exe 2116 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe 2116 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe 2116 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe 2116 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe 2116 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe 2116 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe 2116 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe 2116 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe 2116 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe 2116 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe 3288 powershell.exe 3288 powershell.exe 4280 powershell.exe 4280 powershell.exe 1672 powershell.exe 1672 powershell.exe 4532 powershell.exe 4532 powershell.exe 2936 powershell.exe 2936 powershell.exe 2912 injector.exe 2912 injector.exe 2912 injector.exe 2912 injector.exe 2912 injector.exe 2912 injector.exe 4872 csrss.exe 4872 csrss.exe 2912 injector.exe 2912 injector.exe 2912 injector.exe 2912 injector.exe 2912 injector.exe 2912 injector.exe 4872 csrss.exe 4872 csrss.exe 2912 injector.exe 2912 injector.exe 2912 injector.exe 2912 injector.exe 4872 csrss.exe 4872 csrss.exe 2912 injector.exe 2912 injector.exe 2912 injector.exe 2912 injector.exe 2912 injector.exe 2912 injector.exe 2912 injector.exe 2912 injector.exe 2912 injector.exe 2912 injector.exe 2912 injector.exe 2912 injector.exe 2912 injector.exe 2912 injector.exe 2912 injector.exe 2912 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 3124 powershell.exe Token: SeDebugPrivilege 1976 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe Token: SeImpersonatePrivilege 1976 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe Token: SeDebugPrivilege 1732 powershell.exe Token: SeDebugPrivilege 3288 powershell.exe Token: SeDebugPrivilege 4280 powershell.exe Token: SeDebugPrivilege 1672 powershell.exe Token: SeDebugPrivilege 4532 powershell.exe Token: SeDebugPrivilege 2936 powershell.exe Token: SeSystemEnvironmentPrivilege 4872 csrss.exe Token: SeSecurityPrivilege 3740 sc.exe Token: SeSecurityPrivilege 3740 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 1976 wrote to memory of 3124 1976 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe powershell.exe PID 1976 wrote to memory of 3124 1976 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe powershell.exe PID 1976 wrote to memory of 3124 1976 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe powershell.exe PID 2116 wrote to memory of 1732 2116 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe powershell.exe PID 2116 wrote to memory of 1732 2116 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe powershell.exe PID 2116 wrote to memory of 1732 2116 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe powershell.exe PID 2116 wrote to memory of 4068 2116 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe cmd.exe PID 2116 wrote to memory of 4068 2116 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe cmd.exe PID 4068 wrote to memory of 4824 4068 cmd.exe netsh.exe PID 4068 wrote to memory of 4824 4068 cmd.exe netsh.exe PID 2116 wrote to memory of 3288 2116 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe powershell.exe PID 2116 wrote to memory of 3288 2116 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe powershell.exe PID 2116 wrote to memory of 3288 2116 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe powershell.exe PID 2116 wrote to memory of 4280 2116 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe powershell.exe PID 2116 wrote to memory of 4280 2116 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe powershell.exe PID 2116 wrote to memory of 4280 2116 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe powershell.exe PID 2116 wrote to memory of 4872 2116 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe csrss.exe PID 2116 wrote to memory of 4872 2116 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe csrss.exe PID 2116 wrote to memory of 4872 2116 288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe csrss.exe PID 4872 wrote to memory of 1672 4872 csrss.exe powershell.exe PID 4872 wrote to memory of 1672 4872 csrss.exe powershell.exe PID 4872 wrote to memory of 1672 4872 csrss.exe powershell.exe PID 4872 wrote to memory of 4532 4872 csrss.exe powershell.exe PID 4872 wrote to memory of 4532 4872 csrss.exe powershell.exe PID 4872 wrote to memory of 4532 4872 csrss.exe powershell.exe PID 4872 wrote to memory of 2936 4872 csrss.exe powershell.exe PID 4872 wrote to memory of 2936 4872 csrss.exe powershell.exe PID 4872 wrote to memory of 2936 4872 csrss.exe powershell.exe PID 4872 wrote to memory of 2912 4872 csrss.exe injector.exe PID 4872 wrote to memory of 2912 4872 csrss.exe injector.exe PID 2492 wrote to memory of 4892 2492 windefender.exe cmd.exe PID 2492 wrote to memory of 4892 2492 windefender.exe cmd.exe PID 2492 wrote to memory of 4892 2492 windefender.exe cmd.exe PID 4892 wrote to memory of 3740 4892 cmd.exe sc.exe PID 4892 wrote to memory of 3740 4892 cmd.exe sc.exe PID 4892 wrote to memory of 3740 4892 cmd.exe sc.exe -
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\288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe"C:\Users\Admin\AppData\Local\Temp\288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1976 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3124 -
C:\Users\Admin\AppData\Local\Temp\288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.exe"C:\Users\Admin\AppData\Local\Temp\288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b.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:2116 -
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:1732 -
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:4068 -
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:4824 -
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:3288 -
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:4280 -
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:4872 -
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:1672 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4336 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4368
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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:4532 -
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:2936 -
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:2912 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1684 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2492 -
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:4892 -
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:3740
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3920
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
MD56c2610e4594ebcbbe41f7465704425e8
SHA14b1eb35a07315acaf7bf43460de5f69591a9532b
SHA25665fa454e36e9b618f12a238b30500dad40f7f8a207de707c89bffaceb7bb2586
SHA512ac1eb801bc010001679bc945ca878b186ccf8ae9b961bfe44c7c82766f67f8dbfe77535d1af6885eec49b0e31733cbf37a35702e9607f1e2edc75298d38744bb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD506109029c984bfe479b95962a58a63cf
SHA187b7e7a061c0b6f94e21038489c0157bc2b7370a
SHA256684d34e409cbb14eee1c00bca4a5bf32f30fa38fc8173d391fc20e1be244508f
SHA51219b6e483bb076e0414d18720bc20463164aa3c55d90e70d64caaf465af44c71dc6fb4f7b5f78de601e5745eda478cf49d32c4c4d5bf78224a5c86a5f191e00a9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50aa539483ce00c812d8bb86678e6f4a0
SHA1b6a9d99dfdadd39274e7db0e6937107e16359bdd
SHA2568513335d86a768c2bba54c34a9724a84e3cb4da81c7f224d68f1ea405bc20f77
SHA512e66c5660eb2092f67ea5040af1add0d5159219a6cd9ae7c872b9edaa713cf9c5e966b0554bbba8cbc9b80557ce22b13b9545033c2a7ac10734f4df8f5cbfcb04
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54a12ad48fdc59443eac62c3537efaa1c
SHA185f042e2e96a2dd43e5b70915d4dd3d5660ec92b
SHA256612f78180bf37c52a5de61be853c834a92bf67fe5680aa68f55c264f1a99dfe5
SHA512a177a8cda26c419923601562c790d64ae5e686424b7ad1557cdda6c7636b06a37dd9e04e8f1d858ece36b5d4b7359f9c8f52bfa48babd4fefd2cf92f5f8e7817
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a0f6e397f1affd60e6b96151db7fe385
SHA1ccc539fc0c22e8620bbc8ce13c3e07633e993239
SHA25699c97075c2171391690df8a184165b60a605f538079fc90d411ed810c875cd1e
SHA512829f5d1e07da2cbe89b535a792814d74d8b01f455dbc0bf92f5137cf8070de96b4f30d45dd14aa606a9bfaa76d5a95bb843ed44d054ff889bfcb9f7ab85adf2b
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Filesize
4.1MB
MD5ff1bdf87819ce90f7973cdd40a3c8453
SHA1b798343f812189cfa88d335c56ad221983e5807e
SHA256288544afc36b1a32f390b00cffeb14cb68bac4cb567780ca6f2564596ac8e62b
SHA51248867edc7e114b75c951a0f5020ff819c9bf6d83965cdcfb851cf3986df74734a84ac1d660982fbe029d30cf28c3acf30adb78155206b620fea14efe037b5ac5
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec