Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 13:42
Static task
static1
Behavioral task
behavioral1
Sample
cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe
Resource
win7-20240221-en
General
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Target
cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe
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Size
4.1MB
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MD5
27d8dc29c2a83a9ddffc9d2f9adc0ee7
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SHA1
c85fd10546791b19e8849f9e1c23a45b35474640
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SHA256
cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5
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SHA512
75690c5a129f2d9b640ac26a53636ea378275f98d39362d8e60beef63e7765873b2f6905c6ca59a913ebfe41e3a7d71ec20b309f382e847a455b55f8e08432da
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SSDEEP
98304:MxfL9oyIkrku4AJMBJNRxIbk0RddEjk9Pc8cg301s2mGvS:6RrVrv4XbNRWhj2o9k8f3CspGvS
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral2/memory/1804-2-0x0000000004B80000-0x000000000546B000-memory.dmp family_glupteba behavioral2/memory/1804-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1804-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1804-57-0x0000000004B80000-0x000000000546B000-memory.dmp family_glupteba behavioral2/memory/1804-54-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2360-136-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1776-219-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1776-229-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1776-230-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1776-232-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1776-234-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1776-236-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1776-238-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1776-240-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1776-242-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1776-244-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1776-246-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1776-248-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1776-250-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 1616 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 1776 csrss.exe 3892 injector.exe 2900 windefender.exe 4148 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x0008000000023409-222.dat upx behavioral2/memory/2900-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4148-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2900-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4148-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4148-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.execsrss.exedescription 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\"" cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.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.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process File 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 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.
Processes:
cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe -
Drops file in Windows directory 4 IoCs
Processes:
cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.execsrss.exedescription ioc Process File created C:\Windows\rss\csrss.exe cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 2224 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 3968 powershell.exe 636 powershell.exe 3428 powershell.exe 3384 powershell.exe 1592 powershell.exe 464 powershell.exe 2820 powershell.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target Process procid_target 1924 2360 WerFault.exe 95 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid Process 3548 schtasks.exe 2156 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exewindefender.execce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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 (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@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,-2372 = "Easter Island Standard Time" cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.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" cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-434 = "Georgian 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" cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.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,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-832 = "SA Eastern 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" cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.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,-2372 = "Easter Island Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.execce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exepowershell.execce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 2820 powershell.exe 2820 powershell.exe 1804 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 1804 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 3968 powershell.exe 3968 powershell.exe 2360 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 2360 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 2360 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 2360 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 2360 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 2360 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 2360 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 2360 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 2360 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 2360 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 636 powershell.exe 636 powershell.exe 3428 powershell.exe 3428 powershell.exe 3384 powershell.exe 3384 powershell.exe 1592 powershell.exe 1592 powershell.exe 464 powershell.exe 464 powershell.exe 3892 injector.exe 3892 injector.exe 3892 injector.exe 3892 injector.exe 3892 injector.exe 3892 injector.exe 1776 csrss.exe 1776 csrss.exe 3892 injector.exe 3892 injector.exe 3892 injector.exe 3892 injector.exe 3892 injector.exe 3892 injector.exe 1776 csrss.exe 1776 csrss.exe 3892 injector.exe 3892 injector.exe 1776 csrss.exe 1776 csrss.exe 3892 injector.exe 3892 injector.exe 3892 injector.exe 3892 injector.exe 3892 injector.exe 3892 injector.exe 3892 injector.exe 3892 injector.exe 3892 injector.exe 3892 injector.exe 3892 injector.exe 3892 injector.exe 3892 injector.exe 3892 injector.exe 3892 injector.exe 3892 injector.exe 3892 injector.exe 3892 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.execce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 2820 powershell.exe Token: SeDebugPrivilege 1804 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe Token: SeImpersonatePrivilege 1804 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe Token: SeDebugPrivilege 3968 powershell.exe Token: SeDebugPrivilege 636 powershell.exe Token: SeDebugPrivilege 3428 powershell.exe Token: SeDebugPrivilege 3384 powershell.exe Token: SeDebugPrivilege 1592 powershell.exe Token: SeDebugPrivilege 464 powershell.exe Token: SeSystemEnvironmentPrivilege 1776 csrss.exe Token: SeSecurityPrivilege 2224 sc.exe Token: SeSecurityPrivilege 2224 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.execce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 1804 wrote to memory of 2820 1804 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 85 PID 1804 wrote to memory of 2820 1804 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 85 PID 1804 wrote to memory of 2820 1804 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 85 PID 2360 wrote to memory of 3968 2360 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 97 PID 2360 wrote to memory of 3968 2360 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 97 PID 2360 wrote to memory of 3968 2360 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 97 PID 2360 wrote to memory of 4840 2360 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 100 PID 2360 wrote to memory of 4840 2360 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 100 PID 4840 wrote to memory of 1616 4840 cmd.exe 102 PID 4840 wrote to memory of 1616 4840 cmd.exe 102 PID 2360 wrote to memory of 636 2360 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 103 PID 2360 wrote to memory of 636 2360 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 103 PID 2360 wrote to memory of 636 2360 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 103 PID 2360 wrote to memory of 3428 2360 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 106 PID 2360 wrote to memory of 3428 2360 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 106 PID 2360 wrote to memory of 3428 2360 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 106 PID 2360 wrote to memory of 1776 2360 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 108 PID 2360 wrote to memory of 1776 2360 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 108 PID 2360 wrote to memory of 1776 2360 cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe 108 PID 1776 wrote to memory of 3384 1776 csrss.exe 111 PID 1776 wrote to memory of 3384 1776 csrss.exe 111 PID 1776 wrote to memory of 3384 1776 csrss.exe 111 PID 1776 wrote to memory of 1592 1776 csrss.exe 118 PID 1776 wrote to memory of 1592 1776 csrss.exe 118 PID 1776 wrote to memory of 1592 1776 csrss.exe 118 PID 1776 wrote to memory of 464 1776 csrss.exe 120 PID 1776 wrote to memory of 464 1776 csrss.exe 120 PID 1776 wrote to memory of 464 1776 csrss.exe 120 PID 1776 wrote to memory of 3892 1776 csrss.exe 122 PID 1776 wrote to memory of 3892 1776 csrss.exe 122 PID 2900 wrote to memory of 4516 2900 windefender.exe 131 PID 2900 wrote to memory of 4516 2900 windefender.exe 131 PID 2900 wrote to memory of 4516 2900 windefender.exe 131 PID 4516 wrote to memory of 2224 4516 cmd.exe 132 PID 4516 wrote to memory of 2224 4516 cmd.exe 132 PID 4516 wrote to memory of 2224 4516 cmd.exe 132 -
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\cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe"C:\Users\Admin\AppData\Local\Temp\cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1804 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2820
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C:\Users\Admin\AppData\Local\Temp\cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.exe"C:\Users\Admin\AppData\Local\Temp\cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5.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:2360 -
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:3968
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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:4840 -
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:1616
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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:636
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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:3428
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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:1776 -
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:3384
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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:3548
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4312
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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:1592
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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:464
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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:3892
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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:2156
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2900 -
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:4516 -
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:2224
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2360 -s 8883⤵
- Program crash
PID:1924
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2360 -ip 23601⤵PID:3636
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4148
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
MD51944d7b2da0732ab446977510919f6bb
SHA1d93c359841f857759cc7f304a3e6d3b1d2f65280
SHA2562b2532e1aa2741376c9621c6678bcbc1fda23496a3750633e3ba71705d6fa74c
SHA512505e80a6547f5be1f753035db09599630388a994c83230beafd002ab50da1f92dbf615e1fd474104dc36f3e89add8472b6bf5f51013d1d02031071e2dc09cb19
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD529da7e1e8b1c569ee961d4b5ee5a0adc
SHA188eba9255889ed1147e5f29d38220034e462bbad
SHA25678f24f27f97f68ab6e55999da51b0913ee8304c6e1486fe7772a1333aa1b36d2
SHA512770d6bda75ead3ace1b609d7c728ac5f427a8b2b3f4c46716670ad6ec57dd8b19be4299bb2b5aa2d6ec83553cbc349a2210ab1789a22a1a2a329b2e0b121e717
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5aa839045bf95c573258070ef55cc7496
SHA1850497ea68c2312b54d164192e816e8961fe9f84
SHA2567d67dbe66dfdd890817c5e550f07a5a3b20c2eed41bf0ad9223157a581dfe714
SHA512cba4663ff231f70d2c4b2c1a128b31bd51c65ca344c541afd49dd0a76520ec4616fb95911b872156f111d6db81359054cf94ec1406678e09afd406bea909fcbe
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5596e6ec5578585138291af2fb04d99fb
SHA17c5cce03c73c3fff353a9a54b48b30015afcd854
SHA256d69c54fd6655e7821d3814d17d86580c1cd25b140121ac1583183f41fc495520
SHA512a5e31ce7b75c973f2918145fa9534fa5681b67ee10570af2dfcd69f4c132a33cbe8bfb8ddc164ee765bc44ad1af80898ca7b7ec4370e8028fe8862081bb30c09
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5823586d09af588665e59c6fff8052102
SHA129fb3d6b086421730138cb88ad06103ab8d88c79
SHA256037e7f5bc995d697b1d2506c2b5ae6cfaf3ce24a79a548f7d0f211f47c159f2e
SHA5125b3de99aaa73b5d59548cf8f53db112d389831ac51308cff84910011ba37fc8b10fa5d8d1a6e5b28f319b24be733126da8ab3ba6be54e793d485decbf6b0c235
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Filesize
4.1MB
MD527d8dc29c2a83a9ddffc9d2f9adc0ee7
SHA1c85fd10546791b19e8849f9e1c23a45b35474640
SHA256cce0b838c88d03fbdd983d8bac95684b720851b47977bb887cfc795fd61c10e5
SHA51275690c5a129f2d9b640ac26a53636ea378275f98d39362d8e60beef63e7765873b2f6905c6ca59a913ebfe41e3a7d71ec20b309f382e847a455b55f8e08432da
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec