Analysis
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max time kernel
149s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 21:46
Static task
static1
Behavioral task
behavioral1
Sample
4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe
Resource
win10v2004-20240426-en
General
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Target
4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe
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Size
4.1MB
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MD5
452b6c70c86f7ad78c84af5407d4c769
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SHA1
240f462eb3e7d06dfc3b7aef55684e3c48f47c65
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SHA256
4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788
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SHA512
7ac958df103493e28ed1411de2259b658ee07ece24ee3ddf0c754570a4d4d0466aeb2b92bfcb15180efe4a91d03ce8d4a85dfb1b367618eda1e10e6f9a43c25a
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SSDEEP
98304:UX33DbWGkLHuFK+TwQmBC6reQ4TTNXYvI8KgvjrB0r/:UXPWAwQyCdJYw8Kgg/
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/1288-2-0x0000000004930000-0x000000000521B000-memory.dmp family_glupteba behavioral1/memory/1288-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4108-130-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1288-144-0x0000000004930000-0x000000000521B000-memory.dmp family_glupteba behavioral1/memory/1288-133-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1288-208-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2932-215-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2932-225-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2932-228-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2932-231-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2932-234-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2932-237-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2932-240-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2932-243-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2932-246-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2932-249-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2932-252-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2932-255-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2932-258-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3148 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2932 csrss.exe 4504 injector.exe 1088 windefender.exe 856 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023454-218.dat upx behavioral1/memory/1088-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/856-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1088-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/856-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/856-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\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 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 -
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 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe File created C:\Windows\rss\csrss.exe 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.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 1492 sc.exe -
pid Process 428 powershell.exe 4232 powershell.exe 1828 powershell.exe 4616 powershell.exe 1644 powershell.exe 3904 powershell.exe 4696 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 1616 schtasks.exe 1948 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,-511 = "Central Asia Daylight Time" 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.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\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.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" 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 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\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\@tzres.dll,-342 = "Egypt Standard Time" windefender.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,-431 = "Iran Daylight Time" 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.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,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight 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,-301 = "Romance Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.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\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@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,-722 = "Central Pacific Standard Time" 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 428 powershell.exe 428 powershell.exe 1288 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe 1288 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe 4232 powershell.exe 4232 powershell.exe 4108 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe 4108 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe 4108 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe 4108 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe 4108 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe 4108 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe 4108 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe 4108 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe 4108 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe 4108 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe 1828 powershell.exe 1828 powershell.exe 4616 powershell.exe 4616 powershell.exe 4616 powershell.exe 1644 powershell.exe 1644 powershell.exe 1644 powershell.exe 3904 powershell.exe 3904 powershell.exe 4696 powershell.exe 4696 powershell.exe 4504 injector.exe 4504 injector.exe 4504 injector.exe 4504 injector.exe 4504 injector.exe 4504 injector.exe 2932 csrss.exe 2932 csrss.exe 4504 injector.exe 4504 injector.exe 4504 injector.exe 4504 injector.exe 4504 injector.exe 4504 injector.exe 2932 csrss.exe 2932 csrss.exe 4504 injector.exe 4504 injector.exe 4504 injector.exe 4504 injector.exe 2932 csrss.exe 2932 csrss.exe 4504 injector.exe 4504 injector.exe 4504 injector.exe 4504 injector.exe 4504 injector.exe 4504 injector.exe 4504 injector.exe 4504 injector.exe 4504 injector.exe 4504 injector.exe 4504 injector.exe 4504 injector.exe 4504 injector.exe 4504 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 428 powershell.exe Token: SeDebugPrivilege 1288 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe Token: SeImpersonatePrivilege 1288 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe Token: SeDebugPrivilege 4232 powershell.exe Token: SeDebugPrivilege 1828 powershell.exe Token: SeDebugPrivilege 4616 powershell.exe Token: SeDebugPrivilege 1644 powershell.exe Token: SeDebugPrivilege 3904 powershell.exe Token: SeDebugPrivilege 4696 powershell.exe Token: SeSystemEnvironmentPrivilege 2932 csrss.exe Token: SeSecurityPrivilege 1492 sc.exe Token: SeSecurityPrivilege 1492 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1288 wrote to memory of 428 1288 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe 88 PID 1288 wrote to memory of 428 1288 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe 88 PID 1288 wrote to memory of 428 1288 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe 88 PID 4108 wrote to memory of 4232 4108 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe 117 PID 4108 wrote to memory of 4232 4108 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe 117 PID 4108 wrote to memory of 4232 4108 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe 117 PID 4108 wrote to memory of 4208 4108 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe 103 PID 4108 wrote to memory of 4208 4108 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe 103 PID 4208 wrote to memory of 3148 4208 cmd.exe 105 PID 4208 wrote to memory of 3148 4208 cmd.exe 105 PID 4108 wrote to memory of 1828 4108 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe 106 PID 4108 wrote to memory of 1828 4108 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe 106 PID 4108 wrote to memory of 1828 4108 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe 106 PID 4108 wrote to memory of 4616 4108 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe 110 PID 4108 wrote to memory of 4616 4108 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe 110 PID 4108 wrote to memory of 4616 4108 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe 110 PID 4108 wrote to memory of 2932 4108 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe 112 PID 4108 wrote to memory of 2932 4108 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe 112 PID 4108 wrote to memory of 2932 4108 4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe 112 PID 2932 wrote to memory of 1644 2932 csrss.exe 113 PID 2932 wrote to memory of 1644 2932 csrss.exe 113 PID 2932 wrote to memory of 1644 2932 csrss.exe 113 PID 2932 wrote to memory of 3904 2932 csrss.exe 119 PID 2932 wrote to memory of 3904 2932 csrss.exe 119 PID 2932 wrote to memory of 3904 2932 csrss.exe 119 PID 2932 wrote to memory of 4696 2932 csrss.exe 121 PID 2932 wrote to memory of 4696 2932 csrss.exe 121 PID 2932 wrote to memory of 4696 2932 csrss.exe 121 PID 2932 wrote to memory of 4504 2932 csrss.exe 123 PID 2932 wrote to memory of 4504 2932 csrss.exe 123 PID 1088 wrote to memory of 4048 1088 windefender.exe 129 PID 1088 wrote to memory of 4048 1088 windefender.exe 129 PID 1088 wrote to memory of 4048 1088 windefender.exe 129 PID 4048 wrote to memory of 1492 4048 cmd.exe 130 PID 4048 wrote to memory of 1492 4048 cmd.exe 130 PID 4048 wrote to memory of 1492 4048 cmd.exe 130 -
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\4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe"C:\Users\Admin\AppData\Local\Temp\4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1288 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:428
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C:\Users\Admin\AppData\Local\Temp\4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.exe"C:\Users\Admin\AppData\Local\Temp\4c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788.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:4108 -
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:4232
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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:4208 -
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:3148
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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:1828
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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:4616
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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:2932 -
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:1644
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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:1616 -
C:\Windows\System32\Conhost.exe\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV15⤵PID:4232
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3232
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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:3904
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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:4696
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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:4504
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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:1948
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1088 -
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:4048 -
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:1492
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:856
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
MD5573229f32e5d0e5dc49501aff9af3412
SHA1f9721a85d650ad70c2ea96e4d078c01ad1d50d5a
SHA25663d955cdd3c00dc813b1b76ddb2c4c62c44f9ede9a337daa1e5aa4ba002c792f
SHA512ddad418677e07849d6bcc834e31e81fa739eb99d08dbb3a47768b70c56c7fed1d8827625159028d820fa5fbb95472c8e6ee4155187640bf04cfbc686f18bb874
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD505b309f11bd4ea66a8af82a76bd99954
SHA1cdeca2432e333fc3cfb122f439e43675fd5104e7
SHA256f01c6e336ca59d9516d7431d9ec936b66cc7ec0ea94094d1b1e1aa767c87625e
SHA512157419ec3cdfb4914506e79ba9cedf7c8d63f73895dd6ea5a4e8844dd9ef3af6750145b5785b5d62ef81496488ea17a320302568b6c6768302a28f155d809c4b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b3bce7afd390557a48199d2bd83e7612
SHA1f70ad1e3fa6b1ee8ba170c3cb6dea1c25cc2d03c
SHA256363596a74160d097dc497b4f9e4483da943ca3e4d0fc0dc7bcc43710f37bea66
SHA512f96f08f0153498d917ec918bee5eeb25c027421d4bf1749e7d98e7baa2e2d42adb5a3688feaa2df09d2d825b9bb4a42503469518bffe15416d4950114e8b3e62
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD574d613146fb97565175ef4dc39fb26fd
SHA1c7ae9659f8a1f80344ad09bb92855139086a0b52
SHA256140f3d13e50776031e4b7427dca61fa1dc3c4a14c4c5a08f08dc045de335f9a2
SHA51274d1589fd8c5e9ed865c0b0e9bab453bb5bbf24152e6f65c768aad25ffefdb8e38765386bf4e178daef2bb4e6d01c9171ce80a4e3b8016642fdb10cb8394fbb5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c5e80e451bbb866d169b7ce4a4e38bd6
SHA19cdc3179e31a6f98e2e8ae974b1981d09d8c1786
SHA25626422f690432a261078f5917551a1d4299b118f806190e6cac1bdeab4b1a27ba
SHA5126de93635f5d97eadc0f01bd8498532ab12dc44b8bc6984a088f41d29c34e1a47e3c396ef08dad2618df284a1575e440fb800f95b543c9411bb50c603c461668e
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Filesize
4.1MB
MD5452b6c70c86f7ad78c84af5407d4c769
SHA1240f462eb3e7d06dfc3b7aef55684e3c48f47c65
SHA2564c71ce019072db6763adc78098d30159743f6dd1a2672b4f743392352acde788
SHA5127ac958df103493e28ed1411de2259b658ee07ece24ee3ddf0c754570a4d4d0466aeb2b92bfcb15180efe4a91d03ce8d4a85dfb1b367618eda1e10e6f9a43c25a
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec