Analysis
-
max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
20-04-2024 21:20
Static task
static1
Behavioral task
behavioral1
Sample
899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe
Resource
win10v2004-20240412-en
General
-
Target
899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe
-
Size
4.2MB
-
MD5
e8160e626c010d9c05ea5bba50aecc76
-
SHA1
0689da97941cfe93e95dcab2541599e6f65c6586
-
SHA256
899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359
-
SHA512
3d5ba225b610a831f5a56bb929e018bd8c6f1ec44c5237af6986bc881bf4d45256015de4aa58412b7cabe9d05c86eb5df2bbb1450af5473d5fa63063b745a3d0
-
SSDEEP
98304:SB6TE4JDSTIitXqfSjBwF+v4rSSNjcdSqGUwT7RQU7O1:PTFmTI8qKjKFA4r+dAh7RQUc
Malware Config
Signatures
-
Glupteba payload 20 IoCs
Processes:
resource yara_rule behavioral1/memory/2476-2-0x0000000003F00000-0x00000000047EB000-memory.dmp family_glupteba behavioral1/memory/2476-3-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/4740-55-0x0000000003E80000-0x000000000476B000-memory.dmp family_glupteba behavioral1/memory/4740-57-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/2476-58-0x0000000003F00000-0x00000000047EB000-memory.dmp family_glupteba behavioral1/memory/2476-72-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/4740-312-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/1476-334-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/1476-345-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/1476-349-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/1476-353-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/1476-357-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/1476-361-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/1476-365-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/1476-369-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/1476-373-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/1476-377-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/1476-381-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/1476-385-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/1476-389-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 3200 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 1476 csrss.exe 2456 injector.exe 4304 windefender.exe 2860 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/4304-343-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2860-347-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2860-355-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe Set value (str) \REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\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:
899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe -
Drops file in Windows directory 4 IoCs
Processes:
csrss.exe899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exedescription ioc process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe File created C:\Windows\rss\csrss.exe 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe File created C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid process 4656 sc.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 3616 schtasks.exe 4752 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exepowershell.exewindefender.exe899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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\26\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates 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\26\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exepowershell.exe899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 4692 powershell.exe 4692 powershell.exe 2476 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe 2476 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe 456 powershell.exe 456 powershell.exe 456 powershell.exe 4740 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe 4740 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe 4740 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe 4740 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe 4740 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe 4740 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe 4740 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe 4740 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe 4740 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe 4740 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe 3996 powershell.exe 3996 powershell.exe 3996 powershell.exe 4932 powershell.exe 4932 powershell.exe 4932 powershell.exe 1216 powershell.exe 1216 powershell.exe 1216 powershell.exe 3260 powershell.exe 3260 powershell.exe 3260 powershell.exe 4924 powershell.exe 4924 powershell.exe 4924 powershell.exe 2456 injector.exe 2456 injector.exe 2456 injector.exe 2456 injector.exe 2456 injector.exe 2456 injector.exe 1476 csrss.exe 1476 csrss.exe 2456 injector.exe 2456 injector.exe 2456 injector.exe 2456 injector.exe 2456 injector.exe 2456 injector.exe 1476 csrss.exe 1476 csrss.exe 2456 injector.exe 2456 injector.exe 2456 injector.exe 2456 injector.exe 2456 injector.exe 2456 injector.exe 2456 injector.exe 2456 injector.exe 1476 csrss.exe 1476 csrss.exe 2456 injector.exe 2456 injector.exe 2456 injector.exe 2456 injector.exe 2456 injector.exe 2456 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 4692 powershell.exe Token: SeDebugPrivilege 2476 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe Token: SeImpersonatePrivilege 2476 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe Token: SeDebugPrivilege 456 powershell.exe Token: SeDebugPrivilege 3996 powershell.exe Token: SeDebugPrivilege 4932 powershell.exe Token: SeDebugPrivilege 1216 powershell.exe Token: SeDebugPrivilege 3260 powershell.exe Token: SeDebugPrivilege 4924 powershell.exe Token: SeSystemEnvironmentPrivilege 1476 csrss.exe Token: SeSecurityPrivilege 4656 sc.exe Token: SeSecurityPrivilege 4656 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 2476 wrote to memory of 4692 2476 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe powershell.exe PID 2476 wrote to memory of 4692 2476 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe powershell.exe PID 2476 wrote to memory of 4692 2476 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe powershell.exe PID 4740 wrote to memory of 456 4740 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe powershell.exe PID 4740 wrote to memory of 456 4740 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe powershell.exe PID 4740 wrote to memory of 456 4740 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe powershell.exe PID 4740 wrote to memory of 1020 4740 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe cmd.exe PID 4740 wrote to memory of 1020 4740 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe cmd.exe PID 1020 wrote to memory of 3200 1020 cmd.exe netsh.exe PID 1020 wrote to memory of 3200 1020 cmd.exe netsh.exe PID 4740 wrote to memory of 3996 4740 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe powershell.exe PID 4740 wrote to memory of 3996 4740 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe powershell.exe PID 4740 wrote to memory of 3996 4740 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe powershell.exe PID 4740 wrote to memory of 4932 4740 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe powershell.exe PID 4740 wrote to memory of 4932 4740 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe powershell.exe PID 4740 wrote to memory of 4932 4740 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe powershell.exe PID 4740 wrote to memory of 1476 4740 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe csrss.exe PID 4740 wrote to memory of 1476 4740 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe csrss.exe PID 4740 wrote to memory of 1476 4740 899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe csrss.exe PID 1476 wrote to memory of 1216 1476 csrss.exe powershell.exe PID 1476 wrote to memory of 1216 1476 csrss.exe powershell.exe PID 1476 wrote to memory of 1216 1476 csrss.exe powershell.exe PID 1476 wrote to memory of 3260 1476 csrss.exe powershell.exe PID 1476 wrote to memory of 3260 1476 csrss.exe powershell.exe PID 1476 wrote to memory of 3260 1476 csrss.exe powershell.exe PID 1476 wrote to memory of 4924 1476 csrss.exe powershell.exe PID 1476 wrote to memory of 4924 1476 csrss.exe powershell.exe PID 1476 wrote to memory of 4924 1476 csrss.exe powershell.exe PID 1476 wrote to memory of 2456 1476 csrss.exe injector.exe PID 1476 wrote to memory of 2456 1476 csrss.exe injector.exe PID 4304 wrote to memory of 1996 4304 windefender.exe cmd.exe PID 4304 wrote to memory of 1996 4304 windefender.exe cmd.exe PID 4304 wrote to memory of 1996 4304 windefender.exe cmd.exe PID 1996 wrote to memory of 4656 1996 cmd.exe sc.exe PID 1996 wrote to memory of 4656 1996 cmd.exe sc.exe PID 1996 wrote to memory of 4656 1996 cmd.exe sc.exe -
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\899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe"C:\Users\Admin\AppData\Local\Temp\899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2476 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4692
-
-
C:\Users\Admin\AppData\Local\Temp\899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.exe"C:\Users\Admin\AppData\Local\Temp\899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359.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:4740 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:456
-
-
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:1020 -
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:3200
-
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3996
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4932
-
-
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:1476 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1216
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3616
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:5104
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3260
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4924
-
-
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:2456
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4752
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4304 -
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:1996 -
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:4656
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2860
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a45babf02c9682cb3c148defd62644f7
SHA1d89312603b5dc4635a5ea77c312b11f7de81ce21
SHA2561a2dd0a660856a1a3caee287cb7ed9209ccb050eccb4c1ec21b986091a1e248a
SHA512bddd39dbf05273dad5b2762455ae050e00facf9e701f499a693d6fd0c6da1c6183b540e9d1debd67d6cbf9b291f580a3c5eb3e02d5409e744d6eae8824f2e2d5
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD510520aa1a27889f8d6d11866414aa647
SHA1e70447f14d995a15eaad8558ba6ae6d527e21755
SHA25608f3baecdc1039dfe7428dc50837bd51c4feb6442b442b904465c6b54ab940fa
SHA512d58c85ef57ecdb2064532079fd26ca1d472ea8d43fc35cbf524e71f9677304c737c16a0e22c3a3de53920b096b91cb8cba0058bb759458878e5d4dc1dfbd1d41
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51b4ace824657e09d7a3616e16b136f97
SHA16f136842cd59803da908844c0a4a881c8067bf0e
SHA256a5537c2740e81b7479da4bca2df154c638d4eb171027ff0645520f3202d80918
SHA5122f799ded1048da9fdc621dbe0610b455f19b78949a45e906ffa43521363c7078fb367f2132d013566f5584f517a7f9bdedab62b0953e89ec6236dd3ecc80ae78
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fb42466fdc701f5ed95075476ce68182
SHA1f7409fa68601e95722c6e71d3634e66fe3442cfa
SHA256896dbac29f121f85d79402773c1c66515185bccdb64318381f56711c754c56ea
SHA512c31e6682a9f772e845487a0b0498156999e02c6c53282fe188eb0c3e40a9645a75d2e96e0ac5933530d419d8296155dfbd96dc760aa1acb7070f2178c02404a2
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e9b56c8852c9eced4684f9034b62889c
SHA1924af2d850e0aa8d6cf097956c58b728ba45882e
SHA256a08f7e124dfb346b6d6211e19e5b12283ede5c37738189c328cf70bcffa7473f
SHA512ba3179c6bfa687a12e5b0297daa485f058a85b855e1079e79c4ef73e1bfed23cf98bd234b311fd44c182349b4c6e9d74a4962c6a6eba1f70e99a49113526ad50
-
Filesize
4.2MB
MD5e8160e626c010d9c05ea5bba50aecc76
SHA10689da97941cfe93e95dcab2541599e6f65c6586
SHA256899f2b1a75cbad3935108ea72175ada73340410cbb54f5bb0653b9a765a23359
SHA5123d5ba225b610a831f5a56bb929e018bd8c6f1ec44c5237af6986bc881bf4d45256015de4aa58412b7cabe9d05c86eb5df2bbb1450af5473d5fa63063b745a3d0
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec