Analysis
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max time kernel
150s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
18-05-2024 00:49
Static task
static1
Behavioral task
behavioral1
Sample
633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe
Resource
win7-20240221-en
General
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Target
633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe
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Size
4.1MB
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MD5
962d8c7ab97116587b4a62b2875a82a2
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SHA1
9a81753d7011bea1832203b4b86734d61f96ccd8
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SHA256
633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038
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SHA512
3079f46d5f07d2046aa459a059bb7dbe2151a4ba0ce25a13a2a0abefc6e0b30180aaa819609a072adbcaedb88909f011042720587b36752643cd99bf6516ab99
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SSDEEP
98304:nQx32Mq02zAeaet/0/YHlEVnWsL/fnVsJseCa8CK6QwXNx08F+:Qx32Mq02zAeLCVnWszfVfeCa8CLXv/U
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/208-2-0x0000000004DC0000-0x00000000056AB000-memory.dmp family_glupteba behavioral2/memory/208-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/208-8-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/208-57-0x0000000004DC0000-0x00000000056AB000-memory.dmp family_glupteba behavioral2/memory/208-58-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/208-55-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2008-98-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/2008-136-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4508-166-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4508-222-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4508-231-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4508-232-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4508-235-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4508-237-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4508-239-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4508-240-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4508-243-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4508-245-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4508-247-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4972 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4508 csrss.exe 3180 injector.exe 1460 windefender.exe 1360 windefender.exe -
resource yara_rule behavioral2/files/0x0008000000023416-225.dat upx behavioral2/memory/1460-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1460-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1360-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1360-236-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe File created C:\Windows\rss\csrss.exe 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4420 sc.exe -
pid Process 4588 powershell.exe 2148 powershell.exe 4200 powershell.exe 4604 powershell.exe 2876 powershell.exe 2104 powershell.exe 324 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 756 schtasks.exe 2452 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs 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,-12 = "Azores Standard Time" windefender.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,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs 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,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.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\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.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,-215 = "Pacific Standard Time (Mexico)" windefender.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,-1932 = "Russia TZ 11 Standard Time" 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4200 powershell.exe 4200 powershell.exe 208 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 208 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 4604 powershell.exe 4604 powershell.exe 2008 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 2008 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 2008 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 2008 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 2008 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 2008 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 2008 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 2008 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 2008 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 2008 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 2876 powershell.exe 2876 powershell.exe 2104 powershell.exe 2104 powershell.exe 324 powershell.exe 324 powershell.exe 4588 powershell.exe 4588 powershell.exe 2148 powershell.exe 2148 powershell.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 4508 csrss.exe 4508 csrss.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 4508 csrss.exe 4508 csrss.exe 3180 injector.exe 3180 injector.exe 4508 csrss.exe 4508 csrss.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe 3180 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4200 powershell.exe Token: SeDebugPrivilege 208 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe Token: SeImpersonatePrivilege 208 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe Token: SeDebugPrivilege 4604 powershell.exe Token: SeDebugPrivilege 2876 powershell.exe Token: SeDebugPrivilege 2104 powershell.exe Token: SeDebugPrivilege 324 powershell.exe Token: SeDebugPrivilege 4588 powershell.exe Token: SeDebugPrivilege 2148 powershell.exe Token: SeSystemEnvironmentPrivilege 4508 csrss.exe Token: SeSecurityPrivilege 4420 sc.exe Token: SeSecurityPrivilege 4420 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 208 wrote to memory of 4200 208 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 95 PID 208 wrote to memory of 4200 208 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 95 PID 208 wrote to memory of 4200 208 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 95 PID 2008 wrote to memory of 4604 2008 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 100 PID 2008 wrote to memory of 4604 2008 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 100 PID 2008 wrote to memory of 4604 2008 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 100 PID 2008 wrote to memory of 764 2008 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 102 PID 2008 wrote to memory of 764 2008 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 102 PID 764 wrote to memory of 4972 764 cmd.exe 104 PID 764 wrote to memory of 4972 764 cmd.exe 104 PID 2008 wrote to memory of 2876 2008 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 105 PID 2008 wrote to memory of 2876 2008 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 105 PID 2008 wrote to memory of 2876 2008 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 105 PID 2008 wrote to memory of 2104 2008 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 108 PID 2008 wrote to memory of 2104 2008 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 108 PID 2008 wrote to memory of 2104 2008 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 108 PID 2008 wrote to memory of 4508 2008 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 110 PID 2008 wrote to memory of 4508 2008 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 110 PID 2008 wrote to memory of 4508 2008 633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe 110 PID 4508 wrote to memory of 324 4508 csrss.exe 112 PID 4508 wrote to memory of 324 4508 csrss.exe 112 PID 4508 wrote to memory of 324 4508 csrss.exe 112 PID 4508 wrote to memory of 4588 4508 csrss.exe 118 PID 4508 wrote to memory of 4588 4508 csrss.exe 118 PID 4508 wrote to memory of 4588 4508 csrss.exe 118 PID 4508 wrote to memory of 2148 4508 csrss.exe 120 PID 4508 wrote to memory of 2148 4508 csrss.exe 120 PID 4508 wrote to memory of 2148 4508 csrss.exe 120 PID 4508 wrote to memory of 3180 4508 csrss.exe 122 PID 4508 wrote to memory of 3180 4508 csrss.exe 122 PID 1460 wrote to memory of 2376 1460 windefender.exe 128 PID 1460 wrote to memory of 2376 1460 windefender.exe 128 PID 1460 wrote to memory of 2376 1460 windefender.exe 128 PID 2376 wrote to memory of 4420 2376 cmd.exe 129 PID 2376 wrote to memory of 4420 2376 cmd.exe 129 PID 2376 wrote to memory of 4420 2376 cmd.exe 129 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe"C:\Users\Admin\AppData\Local\Temp\633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:208 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4200
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C:\Users\Admin\AppData\Local\Temp\633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.exe"C:\Users\Admin\AppData\Local\Temp\633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038.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:2008 -
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:4604
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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:764 -
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:4972
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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:2876
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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:2104
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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:4508 -
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:324
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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:756
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3812
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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:4588
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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:2148
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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:3180
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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:2452
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1460 -
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:2376 -
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:4420
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1360
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d693fc09e2a258bd91a03b80f1acf9ab
SHA1aaba4923cf9f241b8fc149ada3a67a103b3e98f1
SHA256a9812ba9f6ebae46aace22d769e288a10a6602dd74de50266cfb3d518e2aee70
SHA5123aed39101b71f7799295af6a2fcda6f72f595de0e527f6845f2ee2510448e77f59792e7f1b08c1df4e4077e9f5842f1c26ad5b98b6fdfcff7d322df488968fae
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57d79728ab299bd7b16f3a5cd32a6c3d4
SHA18b522067b1816e0118023fc6655c5bedac179d1b
SHA256bd052ffd0b203bafc4e685855a1f287c14e67e8569bb078c3a2d72fbb81c67ff
SHA5122d975c767d783310673b93f2da943431b6825456158efbf1cf72b7e4eddfd0af961f85a30bb4cb4ef5a1f5a91b9ea160f6777d76574cf0d27274ce6f9f39dfba
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD544153a8b6039b20545b818bc17d3323d
SHA140b8734b0f5fc40316c63ac4e3c0483d98c9354a
SHA256aee8dc8aaf5ed74b8c97b721704da5b253dfea40829b9fdd644a65a47f8137ae
SHA5120c4b8054722b7120151c3313342a7a90fe9212c60372e18544c7c83870677f208367e6626c17d9d5145f36a14af48f76bd23546c0265c8a7886e2534e8c944db
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5addec95b9c11416ab9a355b7ad8fbe4c
SHA1f1417945ae4265b4163466c9105ef0af15af297c
SHA2563f46c85061df74ec3dd904ba28930a25aaf01bcdc9e75a079d82574c9f35d033
SHA51234f0571bea83fa213b6cd31a750b64316df5e9fa7ea7cb147971700505f9fffbff221c6a7700ddf74f39af7d7854334470ee597ecadd4b0d0b144b4a2a684936
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53b3cc38c4d65b3b580de903f52249d13
SHA1bc2a83cadf3c83a8a10c29826ca86966daa4fd67
SHA256c7a6f3ba4f3968023b6cd3666822e89be2d800b619b5f2e1258328e249c98775
SHA512a33bc8725e2be86ce58c658938baacf14e2a8286bc22049b92127fd0b613c45ba0525d9935b3bfb8867ea6ca68828bf3229d488da5fa4eff4a86c984b0e0d8f4
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Filesize
4.1MB
MD5962d8c7ab97116587b4a62b2875a82a2
SHA19a81753d7011bea1832203b4b86734d61f96ccd8
SHA256633376bf8f1168c35ec18cf30485307d2640fe11ac5b0967e5080c58c4e00038
SHA5123079f46d5f07d2046aa459a059bb7dbe2151a4ba0ce25a13a2a0abefc6e0b30180aaa819609a072adbcaedb88909f011042720587b36752643cd99bf6516ab99
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec