Analysis
-
max time kernel
149s -
max time network
129s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
20-05-2024 04:47
Static task
static1
Behavioral task
behavioral1
Sample
559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe
Resource
win10v2004-20240226-en
General
-
Target
559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe
-
Size
4.1MB
-
MD5
d225df0e3391b484b2378b457f21f1f9
-
SHA1
6f88d35359d7f89b3caf7771891260c814df19c0
-
SHA256
559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09
-
SHA512
15372a2fb7e88385aae7607667b977771c0642ab709eeb3a746996595020beb5df25dbede352546962bd58e5b06492cee79697345262c270f9a710110b8ba2eb
-
SSDEEP
98304:/quwTfmIkbquibhaubey8xw4weLmAcL8k4+6XNB3Rebmbqb0X:wLmIkbquibpii2yAk4+2fEKmbY
Malware Config
Signatures
-
Glupteba payload 18 IoCs
Processes:
resource yara_rule behavioral2/memory/4100-2-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral2/memory/4100-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4100-52-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4100-53-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral2/memory/4080-123-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4080-128-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4596-207-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4596-217-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4596-219-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4596-221-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4596-223-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4596-225-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4596-226-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4596-229-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4596-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4596-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4596-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4596-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 3220 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 4596 csrss.exe 4880 injector.exe 928 windefender.exe 3732 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x000200000002aa09-210.dat upx behavioral2/memory/928-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3732-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/928-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3732-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3732-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe Set value (str) \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\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.
-
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 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 File created 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:
559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe -
Drops file in Windows directory 4 IoCs
Processes:
559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.execsrss.exedescription ioc Process File created C:\Windows\rss\csrss.exe 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.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 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 3444 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 256 powershell.exe 2456 powershell.exe 4772 powershell.exe 4672 powershell.exe 4668 powershell.exe 3728 powershell.exe 704 powershell.exe -
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 4968 schtasks.exe 3116 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exepowershell.exe559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exedescription ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.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\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs 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,-1661 = "Bahia Daylight 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,-501 = "Nepal Daylight Time" 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba 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 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,-2392 = "Aleutian Standard Time" 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe 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,-541 = "Myanmar Daylight Time" 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.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,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight 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" 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exepowershell.exe559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 4772 powershell.exe 4772 powershell.exe 4100 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe 4100 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe 4672 powershell.exe 4672 powershell.exe 4080 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe 4080 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe 4080 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe 4080 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe 4080 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe 4080 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe 4080 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe 4080 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe 4080 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe 4080 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe 4668 powershell.exe 4668 powershell.exe 3728 powershell.exe 3728 powershell.exe 704 powershell.exe 704 powershell.exe 256 powershell.exe 256 powershell.exe 2456 powershell.exe 2456 powershell.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4596 csrss.exe 4596 csrss.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4596 csrss.exe 4596 csrss.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4596 csrss.exe 4596 csrss.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe 4880 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 4772 powershell.exe Token: SeDebugPrivilege 4100 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe Token: SeImpersonatePrivilege 4100 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe Token: SeDebugPrivilege 4672 powershell.exe Token: SeDebugPrivilege 4668 powershell.exe Token: SeDebugPrivilege 3728 powershell.exe Token: SeDebugPrivilege 704 powershell.exe Token: SeDebugPrivilege 256 powershell.exe Token: SeDebugPrivilege 2456 powershell.exe Token: SeSystemEnvironmentPrivilege 4596 csrss.exe Token: SeSecurityPrivilege 3444 sc.exe Token: SeSecurityPrivilege 3444 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 4100 wrote to memory of 4772 4100 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe 81 PID 4100 wrote to memory of 4772 4100 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe 81 PID 4100 wrote to memory of 4772 4100 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe 81 PID 4080 wrote to memory of 4672 4080 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe 87 PID 4080 wrote to memory of 4672 4080 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe 87 PID 4080 wrote to memory of 4672 4080 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe 87 PID 4080 wrote to memory of 2696 4080 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe 89 PID 4080 wrote to memory of 2696 4080 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe 89 PID 2696 wrote to memory of 3220 2696 cmd.exe 91 PID 2696 wrote to memory of 3220 2696 cmd.exe 91 PID 4080 wrote to memory of 4668 4080 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe 92 PID 4080 wrote to memory of 4668 4080 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe 92 PID 4080 wrote to memory of 4668 4080 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe 92 PID 4080 wrote to memory of 3728 4080 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe 94 PID 4080 wrote to memory of 3728 4080 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe 94 PID 4080 wrote to memory of 3728 4080 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe 94 PID 4080 wrote to memory of 4596 4080 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe 96 PID 4080 wrote to memory of 4596 4080 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe 96 PID 4080 wrote to memory of 4596 4080 559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe 96 PID 4596 wrote to memory of 704 4596 csrss.exe 97 PID 4596 wrote to memory of 704 4596 csrss.exe 97 PID 4596 wrote to memory of 704 4596 csrss.exe 97 PID 4596 wrote to memory of 256 4596 csrss.exe 102 PID 4596 wrote to memory of 256 4596 csrss.exe 102 PID 4596 wrote to memory of 256 4596 csrss.exe 102 PID 4596 wrote to memory of 2456 4596 csrss.exe 105 PID 4596 wrote to memory of 2456 4596 csrss.exe 105 PID 4596 wrote to memory of 2456 4596 csrss.exe 105 PID 4596 wrote to memory of 4880 4596 csrss.exe 107 PID 4596 wrote to memory of 4880 4596 csrss.exe 107 PID 928 wrote to memory of 1396 928 windefender.exe 113 PID 928 wrote to memory of 1396 928 windefender.exe 113 PID 928 wrote to memory of 1396 928 windefender.exe 113 PID 1396 wrote to memory of 3444 1396 cmd.exe 114 PID 1396 wrote to memory of 3444 1396 cmd.exe 114 PID 1396 wrote to memory of 3444 1396 cmd.exe 114 -
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
-
C:\Users\Admin\AppData\Local\Temp\559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe"C:\Users\Admin\AppData\Local\Temp\559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4100 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4772
-
-
C:\Users\Admin\AppData\Local\Temp\559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.exe"C:\Users\Admin\AppData\Local\Temp\559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09.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:4080 -
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:4672
-
-
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:2696 -
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:3220
-
-
-
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:4668
-
-
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:3728
-
-
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:4596 -
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:704
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4968
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3544
-
-
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:256
-
-
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:2456
-
-
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:4880
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3116
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:928 -
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:1396 -
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:3444
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3732
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
Loading Replay Monitor...
Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD585ec840da0257a2cb0e99d40e608a818
SHA19a94fc6576f74a0288a68a0b4e1327d6837f8a16
SHA256e7b87cead8c024354779b3744d505027da022ebd4a0b9b2187d87f8f7364b269
SHA512ec178147c28699302ae77f76e9ca69d101e59dff2a6c1be49a2873ba5a772c879f72fb7aaf172241388ea6235390820c98225cb0ccb844966b3f9162f4e983ef
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50a4eb45366cc24f6c3837f43f500372c
SHA168c1f04332632c4c9da62d3e51f345b30cfab271
SHA256efdb0582753e6192674800fa3ffc032e5204028cc6dc86b5606ca0e56b32cc38
SHA5124c35a3e0f5726e1bcf2044b3070427a979afb76e975fbf540624afc2d9bb3cf9a4260e0d7a3e1762711ab7f1bdde2bd46bdeb67e877847eea73cbb9b38e270a3
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55a53789e15d2d49bdeef170b234b1584
SHA1e2039cf53da7bfe9748cb6a3b92ecc5d43b5c18d
SHA256df310e514fa45a8bd283aeedd5c16b6be5b21aa50fc6b807fa0187d32dbb527f
SHA512bf928fe269de7e6ea328d0480867fab7e4f5286e66b5da8c04369b03a5a8ac84e174a32495ad692872592266bbdb5a66b873ac22034880f27ae32fc4f488fa67
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD523948dbb3b728260d646001cceff727d
SHA16a99e5479b40a20c8669054c33991fb649fe6852
SHA25652b725581c88e6d266e9de345e9cce16508b65a72c421d74d19052e015a5aa3e
SHA512366b5490d0bdb5f8f3d76dc7fb4715907d3e11edf4472b48cee888aeef518a06f194376e4eb80ea6460f9b460d604ef8fe14a062a3ac8d1417c4008749ab7b57
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52ab4ffe0e29449eca55ac56297027da0
SHA1038d7442741a9f521f17992713c744cd1565d5b3
SHA256052e4b3644ceed3575e2ae4f9b13f01c60ef1e0daac0f4cd62bcff7070ee1694
SHA512fc3c3c20d3863fd07bcf7bcf44e71b2288ac57e8128ff9ddb932458e045b6fd3e0b167a5aa7a9773112d103f66b4ff5485918c545c1b8fd950b4ce88b2d496c1
-
Filesize
4.1MB
MD5d225df0e3391b484b2378b457f21f1f9
SHA16f88d35359d7f89b3caf7771891260c814df19c0
SHA256559b15384e289885d1103a1a617cc70900b3a1967b2c3f497e5809685348fa09
SHA51215372a2fb7e88385aae7607667b977771c0642ab709eeb3a746996595020beb5df25dbede352546962bd58e5b06492cee79697345262c270f9a710110b8ba2eb
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec