Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 13:02
Static task
static1
Behavioral task
behavioral1
Sample
f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe
Resource
win10v2004-20240508-en
General
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Target
f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe
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Size
4.1MB
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MD5
336b26dbb475c88e8964545fe6c64741
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SHA1
95483451711e84e2942345d33af9d7d39f3ad6a5
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SHA256
f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65
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SHA512
4825af2c3249718a83cfd196862fe99a320429f67c3d3f8e6329face1132a0515ec196c8732adc868420ab4e2fea7fec7b5a396311a5e922794ccce0e6f5b682
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SSDEEP
98304:XhzlfCz+ccJ0CpUiRHjJlGcG1klIkRd3fLKEvV:xz9CiccJ0CpfGcGG1DfLX
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/3076-2-0x0000000004CD0000-0x00000000055BB000-memory.dmp family_glupteba behavioral1/memory/3076-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3076-4-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3076-59-0x0000000004CD0000-0x00000000055BB000-memory.dmp family_glupteba behavioral1/memory/3076-57-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3076-60-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4808-83-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4808-136-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4372-151-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4372-220-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4372-231-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4372-234-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4372-236-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4372-239-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4372-243-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4372-246-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4372-248-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4372-251-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4372-255-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1800 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4372 csrss.exe 60 injector.exe 2268 windefender.exe 4660 windefender.exe -
resource yara_rule behavioral1/files/0x000900000002341f-224.dat upx behavioral1/memory/2268-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4660-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2268-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4660-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4660-240-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4660-249-0x0000000000400000-0x00000000008DF000-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\"" f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe File created C:\Windows\rss\csrss.exe f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.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.
pid Process 3296 sc.exe -
pid Process 4728 powershell.exe 4180 powershell.exe 1152 powershell.exe 3140 powershell.exe 3344 powershell.exe 2852 powershell.exe 3600 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 492 schtasks.exe 5060 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,-1822 = "Russia TZ 1 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.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\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs 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,-1821 = "Russia TZ 1 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" f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.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,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern 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,-2871 = "Magallanes Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs 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,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.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,-2372 = "Easter Island Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.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,-541 = "Myanmar 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,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT 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\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight 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,-462 = "Afghanistan Standard Time" f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1152 powershell.exe 1152 powershell.exe 3076 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 3076 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 3140 powershell.exe 3140 powershell.exe 4808 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 4808 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 4808 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 4808 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 4808 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 4808 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 4808 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 4808 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 4808 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 4808 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 3344 powershell.exe 3344 powershell.exe 2852 powershell.exe 2852 powershell.exe 3600 powershell.exe 3600 powershell.exe 4728 powershell.exe 4728 powershell.exe 4180 powershell.exe 4180 powershell.exe 60 injector.exe 60 injector.exe 60 injector.exe 60 injector.exe 60 injector.exe 60 injector.exe 4372 csrss.exe 4372 csrss.exe 60 injector.exe 60 injector.exe 60 injector.exe 60 injector.exe 60 injector.exe 60 injector.exe 4372 csrss.exe 4372 csrss.exe 60 injector.exe 60 injector.exe 60 injector.exe 60 injector.exe 4372 csrss.exe 4372 csrss.exe 60 injector.exe 60 injector.exe 60 injector.exe 60 injector.exe 60 injector.exe 60 injector.exe 60 injector.exe 60 injector.exe 60 injector.exe 60 injector.exe 60 injector.exe 60 injector.exe 60 injector.exe 60 injector.exe 60 injector.exe 60 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1152 powershell.exe Token: SeDebugPrivilege 3076 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe Token: SeImpersonatePrivilege 3076 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe Token: SeDebugPrivilege 3140 powershell.exe Token: SeDebugPrivilege 3344 powershell.exe Token: SeDebugPrivilege 2852 powershell.exe Token: SeDebugPrivilege 3600 powershell.exe Token: SeDebugPrivilege 4728 powershell.exe Token: SeDebugPrivilege 4180 powershell.exe Token: SeSystemEnvironmentPrivilege 4372 csrss.exe Token: SeSecurityPrivilege 3296 sc.exe Token: SeSecurityPrivilege 3296 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3076 wrote to memory of 1152 3076 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 94 PID 3076 wrote to memory of 1152 3076 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 94 PID 3076 wrote to memory of 1152 3076 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 94 PID 4808 wrote to memory of 3140 4808 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 99 PID 4808 wrote to memory of 3140 4808 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 99 PID 4808 wrote to memory of 3140 4808 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 99 PID 4808 wrote to memory of 5020 4808 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 102 PID 4808 wrote to memory of 5020 4808 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 102 PID 5020 wrote to memory of 1800 5020 cmd.exe 104 PID 5020 wrote to memory of 1800 5020 cmd.exe 104 PID 4808 wrote to memory of 3344 4808 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 105 PID 4808 wrote to memory of 3344 4808 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 105 PID 4808 wrote to memory of 3344 4808 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 105 PID 4808 wrote to memory of 2852 4808 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 107 PID 4808 wrote to memory of 2852 4808 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 107 PID 4808 wrote to memory of 2852 4808 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 107 PID 4808 wrote to memory of 4372 4808 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 110 PID 4808 wrote to memory of 4372 4808 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 110 PID 4808 wrote to memory of 4372 4808 f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe 110 PID 4372 wrote to memory of 3600 4372 csrss.exe 112 PID 4372 wrote to memory of 3600 4372 csrss.exe 112 PID 4372 wrote to memory of 3600 4372 csrss.exe 112 PID 4372 wrote to memory of 4728 4372 csrss.exe 118 PID 4372 wrote to memory of 4728 4372 csrss.exe 118 PID 4372 wrote to memory of 4728 4372 csrss.exe 118 PID 4372 wrote to memory of 4180 4372 csrss.exe 120 PID 4372 wrote to memory of 4180 4372 csrss.exe 120 PID 4372 wrote to memory of 4180 4372 csrss.exe 120 PID 4372 wrote to memory of 60 4372 csrss.exe 122 PID 4372 wrote to memory of 60 4372 csrss.exe 122 PID 2268 wrote to memory of 3360 2268 windefender.exe 128 PID 2268 wrote to memory of 3360 2268 windefender.exe 128 PID 2268 wrote to memory of 3360 2268 windefender.exe 128 PID 3360 wrote to memory of 3296 3360 cmd.exe 129 PID 3360 wrote to memory of 3296 3360 cmd.exe 129 PID 3360 wrote to memory of 3296 3360 cmd.exe 129 -
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\f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe"C:\Users\Admin\AppData\Local\Temp\f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3076 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1152
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C:\Users\Admin\AppData\Local\Temp\f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.exe"C:\Users\Admin\AppData\Local\Temp\f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65.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:4808 -
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:3140
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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:5020 -
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:1800
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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:3344
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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:2852
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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:4372 -
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:3600
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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:492
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4516
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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:4728
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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:4180
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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:60
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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:5060
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2268 -
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:3360 -
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:3296
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4660
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
MD56d91a64d17b5eb220c80844133f3261d
SHA1d2771dbae5388ff1fe96525190828371d0632b66
SHA2565105f38c117786bfccf98e3161a663a69d236a6f2fbe80ca5f4a05c492cab03c
SHA512ebbbc4a43327f7b56347058d17ac3dd9264a88c061711f99d41a67c841d41c816b63a2bdba1f56993efed768b427afa313b31749ded71ab8896384cff4e74983
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5227af542058fb967eb6e2057d1170715
SHA15ee430eea4c103aa978d0e12666be6989cf4e7ed
SHA256751d5fd18bff49965c21f83fa9760c626d9c7416294b500aa5e1f7bcba4f24a3
SHA512916d95ac90caf2644744dfe0f9e91c6a5ae25745be7d1ceba5185a74a18135b4b4cfe9199d1d2f8bb7a091c3b26cfa08d406597265c46ef86eb026f4e6599dbe
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5def0f3a86478949f30c22da1d3e2a08b
SHA1f057ea09c164d3e46133cd96b3cd0febf1cce933
SHA256275faab2a5b1f68157180776ec614ff6fa9f9e022f3f6567c053bdb71a72a91f
SHA5129c9313bb80119e05a919945308821db261bc368a746e023bf6ac38fb8807157afe045a1850d09a650c6bee5fd5a4778f76c597c1ef770957ffad5365e4638ba6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51b8fd8f5356d02272b445690a1e6d7cd
SHA1a331c8a5ede7119ce22772d60adc37a9e77f064a
SHA2560aaf6929aa2995cacd961c28801da6e186cbf7c612f77b936b6af2ac8d9e575f
SHA5124ee0241b15b3c2901e1a7a5f4c0ed17011144a9f5540d9dfd8b9adec657e63fbd05cd5964fc48eedc6750e6d1b2fbdf3c47c05b274b76abef656756923f88f9c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5067832fc15fbe144c99a3f43dd207ae6
SHA10171fb811bb6fd47d8b9914fa13b6e243b75a56c
SHA256f7990ad2364b2b67ab6810bdf0e6175df257a2a9b4e15633a7b65b8f77d36bcd
SHA5123b627dfc60dc25afd7bb4f1db2d9ce25f05482654042e89a7453e72662826d256ab65f481c828e3c0a08aa1f4441fcc153db6d1061094fd6abadbc82d2e861d2
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Filesize
4.1MB
MD5336b26dbb475c88e8964545fe6c64741
SHA195483451711e84e2942345d33af9d7d39f3ad6a5
SHA256f17c9aa2998660936569c68b94dcd78cda813c36841cbe3a60ccc2a411a71e65
SHA5124825af2c3249718a83cfd196862fe99a320429f67c3d3f8e6329face1132a0515ec196c8732adc868420ab4e2fea7fec7b5a396311a5e922794ccce0e6f5b682
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec