Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
18-05-2024 21:49
Static task
static1
Behavioral task
behavioral1
Sample
14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe
Resource
win10v2004-20240508-en
General
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Target
14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe
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Size
4.1MB
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MD5
4eef5a7cb768d5a7786b60b305bb91e6
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SHA1
393eec391d84058b675088391fb00da4c403f429
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SHA256
14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da
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SHA512
8d6dc1b0b50581f5ffb54eddaba6f033d5c96e815144ca26d83b64aa38066a020ef9760bb0805d2596bbe4df9277fcae09075717162f74a50a8214ccead4cb49
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SSDEEP
98304:JsVQ+hudF4keJeyEqK0evsENr9r54Wa5Cc1nHXiv9:Js5hioeyE6OsERj43n+
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/932-2-0x0000000004830000-0x000000000511B000-memory.dmp family_glupteba behavioral1/memory/932-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/932-85-0x0000000004830000-0x000000000511B000-memory.dmp family_glupteba behavioral1/memory/932-83-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2276-133-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/932-170-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3344-215-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/3344-226-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/3344-229-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/3344-232-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/3344-235-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/3344-238-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/3344-241-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/3344-244-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/3344-247-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/3344-250-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/3344-253-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/3344-256-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/3344-259-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 824 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3344 csrss.exe 1800 injector.exe 4576 windefender.exe 4236 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023413-218.dat upx behavioral1/memory/4576-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4236-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4576-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4236-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4236-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe File created C:\Windows\rss\csrss.exe 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4992 sc.exe -
pid Process 4476 powershell.exe 3508 powershell.exe 756 powershell.exe 3152 powershell.exe 1064 powershell.exe 4352 powershell.exe 4168 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 4496 schtasks.exe 4160 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\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 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\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.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,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-961 = "Paraguay 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\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.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,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.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,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3152 powershell.exe 3152 powershell.exe 932 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 932 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 1064 powershell.exe 1064 powershell.exe 2276 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 2276 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 2276 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 2276 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 2276 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 2276 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 2276 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 2276 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 2276 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 2276 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 4352 powershell.exe 4352 powershell.exe 4168 powershell.exe 4168 powershell.exe 4476 powershell.exe 4476 powershell.exe 3508 powershell.exe 3508 powershell.exe 756 powershell.exe 756 powershell.exe 1800 injector.exe 1800 injector.exe 1800 injector.exe 1800 injector.exe 1800 injector.exe 1800 injector.exe 3344 csrss.exe 3344 csrss.exe 1800 injector.exe 1800 injector.exe 1800 injector.exe 1800 injector.exe 1800 injector.exe 1800 injector.exe 3344 csrss.exe 3344 csrss.exe 1800 injector.exe 1800 injector.exe 3344 csrss.exe 3344 csrss.exe 1800 injector.exe 1800 injector.exe 1800 injector.exe 1800 injector.exe 1800 injector.exe 1800 injector.exe 1800 injector.exe 1800 injector.exe 1800 injector.exe 1800 injector.exe 1800 injector.exe 1800 injector.exe 1800 injector.exe 1800 injector.exe 1800 injector.exe 1800 injector.exe 1800 injector.exe 1800 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3152 powershell.exe Token: SeDebugPrivilege 932 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe Token: SeImpersonatePrivilege 932 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe Token: SeDebugPrivilege 1064 powershell.exe Token: SeDebugPrivilege 4352 powershell.exe Token: SeDebugPrivilege 4168 powershell.exe Token: SeDebugPrivilege 4476 powershell.exe Token: SeDebugPrivilege 3508 powershell.exe Token: SeDebugPrivilege 756 powershell.exe Token: SeSystemEnvironmentPrivilege 3344 csrss.exe Token: SeSecurityPrivilege 4992 sc.exe Token: SeSecurityPrivilege 4992 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 932 wrote to memory of 3152 932 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 83 PID 932 wrote to memory of 3152 932 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 83 PID 932 wrote to memory of 3152 932 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 83 PID 2276 wrote to memory of 1064 2276 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 96 PID 2276 wrote to memory of 1064 2276 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 96 PID 2276 wrote to memory of 1064 2276 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 96 PID 2276 wrote to memory of 432 2276 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 100 PID 2276 wrote to memory of 432 2276 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 100 PID 432 wrote to memory of 824 432 cmd.exe 102 PID 432 wrote to memory of 824 432 cmd.exe 102 PID 2276 wrote to memory of 4352 2276 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 103 PID 2276 wrote to memory of 4352 2276 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 103 PID 2276 wrote to memory of 4352 2276 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 103 PID 2276 wrote to memory of 4168 2276 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 106 PID 2276 wrote to memory of 4168 2276 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 106 PID 2276 wrote to memory of 4168 2276 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 106 PID 2276 wrote to memory of 3344 2276 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 108 PID 2276 wrote to memory of 3344 2276 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 108 PID 2276 wrote to memory of 3344 2276 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 108 PID 3344 wrote to memory of 4476 3344 csrss.exe 109 PID 3344 wrote to memory of 4476 3344 csrss.exe 109 PID 3344 wrote to memory of 4476 3344 csrss.exe 109 PID 3344 wrote to memory of 3508 3344 csrss.exe 115 PID 3344 wrote to memory of 3508 3344 csrss.exe 115 PID 3344 wrote to memory of 3508 3344 csrss.exe 115 PID 3344 wrote to memory of 756 3344 csrss.exe 117 PID 3344 wrote to memory of 756 3344 csrss.exe 117 PID 3344 wrote to memory of 756 3344 csrss.exe 117 PID 3344 wrote to memory of 1800 3344 csrss.exe 119 PID 3344 wrote to memory of 1800 3344 csrss.exe 119 PID 4576 wrote to memory of 2488 4576 windefender.exe 125 PID 4576 wrote to memory of 2488 4576 windefender.exe 125 PID 4576 wrote to memory of 2488 4576 windefender.exe 125 PID 2488 wrote to memory of 4992 2488 cmd.exe 126 PID 2488 wrote to memory of 4992 2488 cmd.exe 126 PID 2488 wrote to memory of 4992 2488 cmd.exe 126 -
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\14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe"C:\Users\Admin\AppData\Local\Temp\14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:932 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3152
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C:\Users\Admin\AppData\Local\Temp\14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe"C:\Users\Admin\AppData\Local\Temp\14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.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:2276 -
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:1064
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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:432 -
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:824
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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:4352
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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:4168
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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:3344 -
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:4476
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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:4496
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2720
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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:3508
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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:756
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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:1800
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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:4160
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4576 -
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:2488 -
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:4992
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4236
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD500b5756d7492e9440ccda15ebb96c322
SHA1fce8b8661ec912ef4f75fbe4768a14369ee51a5f
SHA25680499298c7d519050ecc1d47429a281e74046b95889c45dffa06caf9dc83ab64
SHA5120678923d1d47d8e70fa6566a9db692ddb324b363cdf9c61fead1c4bdd1069bf40584e95d1457bbebe3e34ce6c4d4b9d001cda37e1e83980ad514c72f084f72bb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD516015294ad6446e8f560a258ac3843f8
SHA1172462af2950fd73361174ca3c946b3f412cf76a
SHA256a4a35be4f0cea839567568c038509421519edd09604c5b5b3a3be259b11d5211
SHA51259318365053b673b05a76f5157f3e0ee1f8da0975fe1c443657a9bfb28677965b56908c1477e34a32bd896c80efb69c05e7b4f55362d26b500b32cedc090e531
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bdaab9b6d31237ca8afa42de70581097
SHA1717d6ea6b44e8ad57fd9be4597c99e54017d5dd3
SHA256b4793eed2cea101ce5430f5fbaaa03c4f5c8c4eaaad7839665302f07b55bc9fc
SHA512f9de0776ef8ff699b29fec8e9cff2e4eb10e7aced61c649ae8f75d69e24178b07a9ceb83f2a6cf816df7041e967f38a89415fb24a2d0272014674aeaee310620
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58171d4c71fffaaa6a507017da3650392
SHA10f905c233ea7de12317a6288cf5f57b579e931f6
SHA2561af5d011e3d7495e56c836be861fa78b387235750acfd63e374ecea8042b3892
SHA5126705d87d0da992412448d64b6bf91a68ce47627fc599e968904ade491446aab6212c3ade9aa6b760580b4029196178f16faf3e94de0f900cb8731bce76003045
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51d5eda9c65b011d95377b5c4f3414d60
SHA1d769f37da6e8c3eeeca969e76774efa54d9bf725
SHA256e341c550e0d7e0997eb1cba06a7d30b91509a288efab2384bd09e78ddb65aa40
SHA51234282654e74b65c182997cfce54bba52f2d573ff4c4e04b45e82eae0a609b955c2f8c5f016e353195294f38fa10b60ee9d16c421e45c93c258116dbbaf1e1eee
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Filesize
4.1MB
MD54eef5a7cb768d5a7786b60b305bb91e6
SHA1393eec391d84058b675088391fb00da4c403f429
SHA25614f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da
SHA5128d6dc1b0b50581f5ffb54eddaba6f033d5c96e815144ca26d83b64aa38066a020ef9760bb0805d2596bbe4df9277fcae09075717162f74a50a8214ccead4cb49
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec