Analysis
-
max time kernel
149s -
max time network
155s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
15-05-2024 18:13
Static task
static1
Behavioral task
behavioral1
Sample
f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe
Resource
win10v2004-20240426-en
General
-
Target
f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe
-
Size
4.1MB
-
MD5
a646cf4fdf1a86d57800cc180e8ba799
-
SHA1
fb0df008ae51a38af0a7d7d16f9b49f1ea6d5ffa
-
SHA256
f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871
-
SHA512
21edb7123a8618546484bd6d91041ae5ef8f814dd25217b1cbadb2aa10461c8780b7c57a2b99b3ab15d420643f3c454921c395cc86e5a185b6dcbaf333477719
-
SSDEEP
98304:QoKALZtLSnhBaG13jSGzI9y04m/Xf7c/d7YDSGfJg5NEka2Q+gz:QC1IraEjIw04m/Xfo4a5yka2Q+gz
Malware Config
Signatures
-
Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/2836-2-0x0000000004E10000-0x00000000056FB000-memory.dmp family_glupteba behavioral2/memory/2836-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2836-24-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2836-54-0x0000000004E10000-0x00000000056FB000-memory.dmp family_glupteba behavioral2/memory/2836-55-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2836-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2944-66-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2944-124-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/2944-130-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1528-179-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1528-206-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1528-217-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1528-220-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1528-223-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1528-226-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1528-229-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1528-232-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1528-235-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1528-238-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2984 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1528 csrss.exe 4084 injector.exe 4936 windefender.exe 4200 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9c1-209.dat upx behavioral2/memory/4936-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4200-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4936-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4200-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4200-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\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.
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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
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 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe File created C:\Windows\rss\csrss.exe f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.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 1576 sc.exe -
pid Process 2236 powershell.exe 4508 powershell.exe 1660 powershell.exe 1404 powershell.exe 2864 powershell.exe 2280 powershell.exe 1544 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 3316 schtasks.exe 1672 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.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,-571 = "China Daylight Time" windefender.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,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.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\2a\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.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,-2492 = "Aus Central W. Standard 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\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.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,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.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,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard 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 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,-104 = "Central Brazilian Daylight Time" windefender.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\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.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\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,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1660 powershell.exe 1660 powershell.exe 2836 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 2836 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 1404 powershell.exe 1404 powershell.exe 2944 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 2944 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 2944 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 2944 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 2944 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 2944 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 2944 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 2944 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 2944 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 2944 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 2864 powershell.exe 2864 powershell.exe 2280 powershell.exe 2280 powershell.exe 1544 powershell.exe 1544 powershell.exe 2236 powershell.exe 2236 powershell.exe 4508 powershell.exe 4508 powershell.exe 4084 injector.exe 4084 injector.exe 4084 injector.exe 4084 injector.exe 4084 injector.exe 4084 injector.exe 1528 csrss.exe 1528 csrss.exe 4084 injector.exe 4084 injector.exe 4084 injector.exe 4084 injector.exe 4084 injector.exe 4084 injector.exe 1528 csrss.exe 1528 csrss.exe 4084 injector.exe 4084 injector.exe 1528 csrss.exe 1528 csrss.exe 4084 injector.exe 4084 injector.exe 4084 injector.exe 4084 injector.exe 4084 injector.exe 4084 injector.exe 4084 injector.exe 4084 injector.exe 4084 injector.exe 4084 injector.exe 4084 injector.exe 4084 injector.exe 4084 injector.exe 4084 injector.exe 4084 injector.exe 4084 injector.exe 4084 injector.exe 4084 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1660 powershell.exe Token: SeDebugPrivilege 2836 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe Token: SeImpersonatePrivilege 2836 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe Token: SeDebugPrivilege 1404 powershell.exe Token: SeDebugPrivilege 2864 powershell.exe Token: SeDebugPrivilege 2280 powershell.exe Token: SeDebugPrivilege 1544 powershell.exe Token: SeDebugPrivilege 2236 powershell.exe Token: SeDebugPrivilege 4508 powershell.exe Token: SeSystemEnvironmentPrivilege 1528 csrss.exe Token: SeSecurityPrivilege 1576 sc.exe Token: SeSecurityPrivilege 1576 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2836 wrote to memory of 1660 2836 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 82 PID 2836 wrote to memory of 1660 2836 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 82 PID 2836 wrote to memory of 1660 2836 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 82 PID 2944 wrote to memory of 1404 2944 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 87 PID 2944 wrote to memory of 1404 2944 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 87 PID 2944 wrote to memory of 1404 2944 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 87 PID 2944 wrote to memory of 5104 2944 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 89 PID 2944 wrote to memory of 5104 2944 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 89 PID 5104 wrote to memory of 2984 5104 cmd.exe 91 PID 5104 wrote to memory of 2984 5104 cmd.exe 91 PID 2944 wrote to memory of 2864 2944 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 92 PID 2944 wrote to memory of 2864 2944 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 92 PID 2944 wrote to memory of 2864 2944 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 92 PID 2944 wrote to memory of 2280 2944 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 94 PID 2944 wrote to memory of 2280 2944 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 94 PID 2944 wrote to memory of 2280 2944 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 94 PID 2944 wrote to memory of 1528 2944 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 96 PID 2944 wrote to memory of 1528 2944 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 96 PID 2944 wrote to memory of 1528 2944 f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe 96 PID 1528 wrote to memory of 1544 1528 csrss.exe 97 PID 1528 wrote to memory of 1544 1528 csrss.exe 97 PID 1528 wrote to memory of 1544 1528 csrss.exe 97 PID 1528 wrote to memory of 2236 1528 csrss.exe 102 PID 1528 wrote to memory of 2236 1528 csrss.exe 102 PID 1528 wrote to memory of 2236 1528 csrss.exe 102 PID 1528 wrote to memory of 4508 1528 csrss.exe 105 PID 1528 wrote to memory of 4508 1528 csrss.exe 105 PID 1528 wrote to memory of 4508 1528 csrss.exe 105 PID 1528 wrote to memory of 4084 1528 csrss.exe 107 PID 1528 wrote to memory of 4084 1528 csrss.exe 107 PID 4936 wrote to memory of 4536 4936 windefender.exe 113 PID 4936 wrote to memory of 4536 4936 windefender.exe 113 PID 4936 wrote to memory of 4536 4936 windefender.exe 113 PID 4536 wrote to memory of 1576 4536 cmd.exe 114 PID 4536 wrote to memory of 1576 4536 cmd.exe 114 PID 4536 wrote to memory of 1576 4536 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\f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe"C:\Users\Admin\AppData\Local\Temp\f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2836 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1660
-
-
C:\Users\Admin\AppData\Local\Temp\f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.exe"C:\Users\Admin\AppData\Local\Temp\f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871.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:2944 -
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:1404
-
-
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:5104 -
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:2984
-
-
-
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:2864
-
-
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:2280
-
-
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:1528 -
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:1544
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3316
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2136
-
-
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:2236
-
-
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:4508
-
-
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:4084
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1672
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4936 -
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:4536 -
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:1576
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4200
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
MD502b85771131f3b060ad0c5601b64fada
SHA13a9f4bfaf2243e448daa1bdeb5722cb51213a94f
SHA2569142813cca1bc5bacf6065df3fe2ca70d8051cdf957f431f91d091524da7bc77
SHA512e34dbbb08e3ae33a69809300c933ac5ff563c9d66e1a9261c3361ff1880d54e80104ad1ddfb6b8d21ea67992dc206c0b74f343efcd8f4f267cae13ed6a6d202f
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f36a5ec8c03a545170d557fe76c53d4c
SHA1f8920ad2dafb759b226591a241a40a00b925e28b
SHA25676b8182c14a21abdfdb6e1cb55df66ef291eef8c55303ae8749f8da700378288
SHA512c8f27ff333fbe09d09accccad9642d5732015f2608918ca8e703207c85b0260eecd805879e48ac82e9c60d538b96e2417c1b7e64d374dc7b1e3083bb9402e816
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5eb4f033131e54a4fd5f8d85a8e5c1023
SHA1b5424045543e03d0d3320f65959b03f679bec6e0
SHA256d4558fcec38049f6fc8d595a6da37f3cc76347368f0c7068a63052031ad846fd
SHA512d9d498785ba2290075a0bfdf3e1935148c326f10473622603fa194f48149f4dedfaf50400f974408f830fba1fba0534cfd7e77b78767386eb26cf79eda95cccf
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a7cfc93000b86c1df642532eec16acc3
SHA14103780462d52945c8cbcc5cb1354fefcb45d0cd
SHA2563d7fb35a29453762cdd41f976e5f058d3c39fb0141c95bc4129c6cd099dab868
SHA512fb2c3c04a957ad54f086ffe272f92d371c7b64c8f61ed2e62acc76005986a00fe550589adcd9febbd4c1b13edc3598ba48045fd47bf32ceb06c2b05b573c6bdc
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD516cd5ee951b380b76728604748a838a2
SHA13d02313fa2729a11200f4ca1c273bc72a4e2cd26
SHA25687e14a59ebf4f225ee2ebfae425dd3701e00a18139162b69fe0b6769fe3ed6e1
SHA512d09fc7d9e80de63599edc6f0153287f8168f6285e01ae02f6b1c76d353f94086a1e19484e9725fe1af4306be2db78d4f0002a34872a87d68f3e38243c3be8f19
-
Filesize
4.1MB
MD5a646cf4fdf1a86d57800cc180e8ba799
SHA1fb0df008ae51a38af0a7d7d16f9b49f1ea6d5ffa
SHA256f7383cb3252a6d7671d4523da3359b99213765d18245e511e60ebb5ba853f871
SHA51221edb7123a8618546484bd6d91041ae5ef8f814dd25217b1cbadb2aa10461c8780b7c57a2b99b3ab15d420643f3c454921c395cc86e5a185b6dcbaf333477719
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec