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
09/05/2024, 19:39
Static task
static1
Behavioral task
behavioral1
Sample
335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe
Resource
win10v2004-20240508-en
General
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Target
335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe
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Size
4.1MB
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MD5
61f1436c6447d03f9eeea773221b2f4a
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SHA1
2999adf3d0415844a19cdc3985ae8395b2f01336
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SHA256
335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50
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SHA512
f1787790a07ba58a31fd988c1851d5207e02fdc2092c997107babe3dd3e073a39c0baf8780bce6d2a7258ed9ccc7adf78cbd30d76a891bdb7733ec64dcca3fb7
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SSDEEP
98304:VwBco1salv4p8AdbboIKOJLJ1nO5Zld79mTpo:VwqoWyv4yANjKQa7oy
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/4372-2-0x0000000004F70000-0x000000000585B000-memory.dmp family_glupteba behavioral1/memory/4372-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4372-28-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/4372-57-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/4372-58-0x0000000004F70000-0x000000000585B000-memory.dmp family_glupteba behavioral1/memory/4372-82-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1808-81-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/1808-137-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/4088-162-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/4088-219-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/4088-229-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/4088-231-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/4088-234-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/4088-237-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/4088-241-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/4088-243-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/4088-246-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/4088-249-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral1/memory/4088-253-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1424 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4088 csrss.exe 3144 injector.exe 3968 windefender.exe 2340 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023417-223.dat upx behavioral1/memory/3968-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2340-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3968-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2340-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2340-238-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2340-247-0x0000000000400000-0x00000000008DF000-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\"" 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.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 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe File created C:\Windows\rss\csrss.exe 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.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 2256 sc.exe -
pid Process 2668 powershell.exe 3972 powershell.exe 2580 powershell.exe 2532 powershell.exe 2320 powershell.exe 2340 powershell.exe 116 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 2260 schtasks.exe 2020 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,-512 = "Central Asia Standard Time" 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.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,-151 = "Central America Daylight Time" 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania 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" 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.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,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.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" 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-831 = "SA Eastern 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" 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-452 = "Caucasus Standard 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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,-1801 = "Line Islands Daylight Time" windefender.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\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2532 powershell.exe 2532 powershell.exe 4372 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe 4372 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe 2320 powershell.exe 2320 powershell.exe 1808 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe 1808 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe 1808 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe 1808 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe 1808 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe 1808 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe 1808 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe 1808 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe 1808 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe 1808 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe 2340 powershell.exe 2340 powershell.exe 116 powershell.exe 116 powershell.exe 2668 powershell.exe 2668 powershell.exe 3972 powershell.exe 3972 powershell.exe 2580 powershell.exe 2580 powershell.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 4088 csrss.exe 3144 injector.exe 4088 csrss.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 4088 csrss.exe 4088 csrss.exe 3144 injector.exe 3144 injector.exe 4088 csrss.exe 4088 csrss.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe 3144 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2532 powershell.exe Token: SeDebugPrivilege 4372 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe Token: SeImpersonatePrivilege 4372 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe Token: SeDebugPrivilege 2320 powershell.exe Token: SeDebugPrivilege 2340 powershell.exe Token: SeDebugPrivilege 116 powershell.exe Token: SeDebugPrivilege 2668 powershell.exe Token: SeDebugPrivilege 3972 powershell.exe Token: SeDebugPrivilege 2580 powershell.exe Token: SeSystemEnvironmentPrivilege 4088 csrss.exe Token: SeSecurityPrivilege 2256 sc.exe Token: SeSecurityPrivilege 2256 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4372 wrote to memory of 2532 4372 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe 88 PID 4372 wrote to memory of 2532 4372 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe 88 PID 4372 wrote to memory of 2532 4372 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe 88 PID 1808 wrote to memory of 2320 1808 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe 93 PID 1808 wrote to memory of 2320 1808 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe 93 PID 1808 wrote to memory of 2320 1808 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe 93 PID 1808 wrote to memory of 540 1808 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe 95 PID 1808 wrote to memory of 540 1808 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe 95 PID 540 wrote to memory of 1424 540 cmd.exe 97 PID 540 wrote to memory of 1424 540 cmd.exe 97 PID 1808 wrote to memory of 2340 1808 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe 99 PID 1808 wrote to memory of 2340 1808 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe 99 PID 1808 wrote to memory of 2340 1808 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe 99 PID 1808 wrote to memory of 116 1808 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe 101 PID 1808 wrote to memory of 116 1808 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe 101 PID 1808 wrote to memory of 116 1808 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe 101 PID 1808 wrote to memory of 4088 1808 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe 104 PID 1808 wrote to memory of 4088 1808 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe 104 PID 1808 wrote to memory of 4088 1808 335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe 104 PID 4088 wrote to memory of 2668 4088 csrss.exe 105 PID 4088 wrote to memory of 2668 4088 csrss.exe 105 PID 4088 wrote to memory of 2668 4088 csrss.exe 105 PID 4088 wrote to memory of 3972 4088 csrss.exe 111 PID 4088 wrote to memory of 3972 4088 csrss.exe 111 PID 4088 wrote to memory of 3972 4088 csrss.exe 111 PID 4088 wrote to memory of 2580 4088 csrss.exe 113 PID 4088 wrote to memory of 2580 4088 csrss.exe 113 PID 4088 wrote to memory of 2580 4088 csrss.exe 113 PID 4088 wrote to memory of 3144 4088 csrss.exe 115 PID 4088 wrote to memory of 3144 4088 csrss.exe 115 PID 3968 wrote to memory of 2248 3968 windefender.exe 121 PID 3968 wrote to memory of 2248 3968 windefender.exe 121 PID 3968 wrote to memory of 2248 3968 windefender.exe 121 PID 2248 wrote to memory of 2256 2248 cmd.exe 122 PID 2248 wrote to memory of 2256 2248 cmd.exe 122 PID 2248 wrote to memory of 2256 2248 cmd.exe 122 -
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\335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe"C:\Users\Admin\AppData\Local\Temp\335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4372 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2532
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C:\Users\Admin\AppData\Local\Temp\335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.exe"C:\Users\Admin\AppData\Local\Temp\335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50.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:1808 -
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:2320
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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:540 -
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:1424
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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:2340
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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:116
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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:4088 -
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:2668
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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:2260
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4352
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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:3972
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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:2580
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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:3144
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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:2020
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3968 -
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:2248 -
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:2256
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2340
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
MD5fc591456b4656cc22eaea719e91f620b
SHA1e81b1bf5d42659c44e9f684dff7a05ae77885e77
SHA25682541361248ca3de78bdf3fe3408051990ece692ee9052bc47600d8ffa0a15fe
SHA5121334c5b476c52c69c9bd104ef44e51f4b38eb42e637c0269e9a5b2ad93ee7cc722ba1d2334dd42a88ca75f81dc17464b99fc3b98c1a8e834bb2ec9a5b9f80227
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f5c3ea94d78cb80317a5ad7bd3251bda
SHA1cc800b9917894ea5f9b37a26c5c684a949c9f90a
SHA25648f063cd6b914e6f56ae632d48c8a4c8aa988ed94809614b5033093c0c8f3821
SHA512485cfaee81fcb53e30cac74b95ae06aafe6ca0d1bd12750d2deeb12bfc41f65d374880af6fd4cf5125ffb9b70596cbcc435e7b9f68963178ff15abc4cea69f8d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53eaa19154cdf1bbe86b76f6b320a2ec7
SHA138229f5884627cce6eba051227d8a732b60e2a13
SHA2569093a545a1bd01b094d8bb2e2a01b602f23d697b76ff9a74285155eaa9748b01
SHA51215b6bb8b953a14acb7e2900b84022878db0b81666fffda191c305c455f833f2ffeacef6a016a65ba8122fd1c264c8bafb9796d057ba9a83c4155e8a18b80f2f1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e7d5ec1b31f087810fade53da6ea1012
SHA19f9ee5ded14da087d81564831a6ce89f384348bb
SHA25629e7c41482851ee1aab4dbf46064517ada463b139153c75739ebed870bdb9990
SHA5120e8595306f77564da7644b6b17ea4f23afb5867738ed4e86de5b793353d69ff568be873ac9f16b5e197678a5d2698b8ee4ab2187cc298a951a62a3dfcf83a7d6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bca3e987e369893965a7d76c41f98e75
SHA1696bd4776cb85ed56958fe04923c7dacdc18ca2b
SHA2569a882e7adc21e342e22ea6b9517ebf7fc1283a40580eda16be9d918484960600
SHA512259615932ebb9bc2c1399148ae7d07fcba3e0ff440cf9d10be7b3b6d988ac0d232886a52376446f884cbcf9e5810aa07f10fa0d6a5508ec2e16f7fd04746d324
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Filesize
4.1MB
MD561f1436c6447d03f9eeea773221b2f4a
SHA12999adf3d0415844a19cdc3985ae8395b2f01336
SHA256335e3804c0837ee9ce9db5ef6fd041ff05015598a4e03b71de443425f6ba1c50
SHA512f1787790a07ba58a31fd988c1851d5207e02fdc2092c997107babe3dd3e073a39c0baf8780bce6d2a7258ed9ccc7adf78cbd30d76a891bdb7733ec64dcca3fb7
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec