Analysis
-
max time kernel
150s -
max time network
145s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
18-05-2024 21:49
Static task
static1
Behavioral task
behavioral1
Sample
14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe
Resource
win10v2004-20240508-en
General
-
Target
14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe
-
Size
4.1MB
-
MD5
4eef5a7cb768d5a7786b60b305bb91e6
-
SHA1
393eec391d84058b675088391fb00da4c403f429
-
SHA256
14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da
-
SHA512
8d6dc1b0b50581f5ffb54eddaba6f033d5c96e815144ca26d83b64aa38066a020ef9760bb0805d2596bbe4df9277fcae09075717162f74a50a8214ccead4cb49
-
SSDEEP
98304:JsVQ+hudF4keJeyEqK0evsENr9r54Wa5Cc1nHXiv9:Js5hioeyE6OsERj43n+
Malware Config
Signatures
-
Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/2228-2-0x00000000049D0000-0x00000000052BB000-memory.dmp family_glupteba behavioral2/memory/2228-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2228-145-0x00000000049D0000-0x00000000052BB000-memory.dmp family_glupteba behavioral2/memory/2228-143-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/2228-197-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4644-199-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4644-209-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4644-212-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4644-214-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4644-217-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4644-221-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4644-224-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4644-227-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4644-229-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4644-233-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4644-236-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4644-239-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4644-241-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2664 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4644 csrss.exe 3212 injector.exe 3124 windefender.exe 3956 windefender.exe -
resource yara_rule behavioral2/memory/3124-204-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/files/0x000200000002aa41-203.dat upx behavioral2/memory/3124-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3956-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3956-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3956-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe Set value (str) \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe File created C:\Windows\rss\csrss.exe 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.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 1056 sc.exe -
pid Process 4672 powershell.exe 252 powershell.exe 1708 powershell.exe 1616 powershell.exe 1276 powershell.exe 3376 powershell.exe 824 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 3828 schtasks.exe 1948 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.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\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.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,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard 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,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 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,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.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\2a\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 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\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1616 powershell.exe 1616 powershell.exe 2228 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 2228 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 1276 powershell.exe 1276 powershell.exe 912 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 912 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 912 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 912 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 912 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 912 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 912 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 912 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 912 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 912 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 3376 powershell.exe 3376 powershell.exe 824 powershell.exe 824 powershell.exe 4672 powershell.exe 4672 powershell.exe 252 powershell.exe 252 powershell.exe 1708 powershell.exe 1708 powershell.exe 3212 injector.exe 3212 injector.exe 3212 injector.exe 3212 injector.exe 3212 injector.exe 3212 injector.exe 4644 csrss.exe 4644 csrss.exe 3212 injector.exe 3212 injector.exe 3212 injector.exe 3212 injector.exe 3212 injector.exe 3212 injector.exe 4644 csrss.exe 4644 csrss.exe 3212 injector.exe 3212 injector.exe 3212 injector.exe 3212 injector.exe 3212 injector.exe 3212 injector.exe 4644 csrss.exe 4644 csrss.exe 3212 injector.exe 3212 injector.exe 3212 injector.exe 3212 injector.exe 3212 injector.exe 3212 injector.exe 3212 injector.exe 3212 injector.exe 3212 injector.exe 3212 injector.exe 3212 injector.exe 3212 injector.exe 3212 injector.exe 3212 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1616 powershell.exe Token: SeDebugPrivilege 2228 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe Token: SeImpersonatePrivilege 2228 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe Token: SeDebugPrivilege 1276 powershell.exe Token: SeDebugPrivilege 3376 powershell.exe Token: SeDebugPrivilege 824 powershell.exe Token: SeDebugPrivilege 4672 powershell.exe Token: SeDebugPrivilege 252 powershell.exe Token: SeDebugPrivilege 1708 powershell.exe Token: SeSystemEnvironmentPrivilege 4644 csrss.exe Token: SeSecurityPrivilege 1056 sc.exe Token: SeSecurityPrivilege 1056 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2228 wrote to memory of 1616 2228 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 81 PID 2228 wrote to memory of 1616 2228 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 81 PID 2228 wrote to memory of 1616 2228 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 81 PID 912 wrote to memory of 1276 912 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 87 PID 912 wrote to memory of 1276 912 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 87 PID 912 wrote to memory of 1276 912 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 87 PID 912 wrote to memory of 388 912 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 89 PID 912 wrote to memory of 388 912 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 89 PID 388 wrote to memory of 2664 388 cmd.exe 91 PID 388 wrote to memory of 2664 388 cmd.exe 91 PID 912 wrote to memory of 3376 912 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 92 PID 912 wrote to memory of 3376 912 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 92 PID 912 wrote to memory of 3376 912 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 92 PID 912 wrote to memory of 824 912 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 94 PID 912 wrote to memory of 824 912 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 94 PID 912 wrote to memory of 824 912 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 94 PID 912 wrote to memory of 4644 912 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 96 PID 912 wrote to memory of 4644 912 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 96 PID 912 wrote to memory of 4644 912 14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe 96 PID 4644 wrote to memory of 4672 4644 csrss.exe 97 PID 4644 wrote to memory of 4672 4644 csrss.exe 97 PID 4644 wrote to memory of 4672 4644 csrss.exe 97 PID 4644 wrote to memory of 252 4644 csrss.exe 103 PID 4644 wrote to memory of 252 4644 csrss.exe 103 PID 4644 wrote to memory of 252 4644 csrss.exe 103 PID 4644 wrote to memory of 1708 4644 csrss.exe 105 PID 4644 wrote to memory of 1708 4644 csrss.exe 105 PID 4644 wrote to memory of 1708 4644 csrss.exe 105 PID 4644 wrote to memory of 3212 4644 csrss.exe 107 PID 4644 wrote to memory of 3212 4644 csrss.exe 107 PID 3124 wrote to memory of 2284 3124 windefender.exe 113 PID 3124 wrote to memory of 2284 3124 windefender.exe 113 PID 3124 wrote to memory of 2284 3124 windefender.exe 113 PID 2284 wrote to memory of 1056 2284 cmd.exe 114 PID 2284 wrote to memory of 1056 2284 cmd.exe 114 PID 2284 wrote to memory of 1056 2284 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\14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe"C:\Users\Admin\AppData\Local\Temp\14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2228 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1616
-
-
C:\Users\Admin\AppData\Local\Temp\14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.exe"C:\Users\Admin\AppData\Local\Temp\14f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da.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:912 -
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:1276
-
-
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:388 -
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:2664
-
-
-
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:3376
-
-
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:824
-
-
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:4644 -
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:4672
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1948
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3176
-
-
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:252
-
-
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:1708
-
-
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:3212
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3828
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3124 -
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:2284 -
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:1056
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3956
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
MD5a77bcfc4a334abe2bfb864d2766b2869
SHA1fc59d75063738445f2b6242c0b16930ebce33cc3
SHA25675b3b8ecf8c1d8a49a950057dfd1ab54c410fe6040d716048336b27ccf61f613
SHA5122c1ae0b2f8c704a031d90a8a2d4569ab88057d347126d9c90750818967d4ce0f7928eba138990877f30ad35404bb4ffb146da151897bfcadfdf1455398b3a66a
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c8e5b97f2e51ec02423c30b60ba09231
SHA1acc89bd83bba3ce3baa75c9bc61e70838265601c
SHA2566b9fcc5e443203b5e399f5980643a1d99f3a0a359cbbd2265228fd76b1b0d8ea
SHA512aa34e57742ffe8f0333651d244aeafcfc1e0a35e891fcb47d420a79382b6f7cdb022c2f779f82b9b9fff21f3c8856d34f8013b648b56a3661a52eb08923d61b2
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e07be7d69ced29aaea990b195c041d14
SHA14dc08ff45956f72aefe62bf0ddde51506ff291f2
SHA2567ed7a5f4b8c8ba1a7ac826c117b120acbf27815401e4516ce97af2a5ad3bc36f
SHA51244d2f739bc21e5b1299f1e89f584f7393484a64c37bc999f6edf0557c1cdbc55911f9969eaed7490691370a1d5bbc1733d9f0ecd7fa8e05fa644ae117466afb3
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD572a05ab3a2c536ea681bc614106c462f
SHA1553d3e86ec94a67b374dd7bdbd90c8a391edd077
SHA256e45658d487ac7349bcba0e0e9c6c80efadc0047608e89208866a9c82720f671c
SHA512bee51fb1c00aa6c18e35f4c31f0dcbe0b22dabb21ece8b1aad82785e4bf1bf3366dedc31e3c025b98a4132557205c9b48832ee0074c70ec42876827ea06ae792
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f50694227c28f4a588aa46dfed6cba3a
SHA18b5d86bf47bab27545d8ab46bb797d605bb55289
SHA25682cb586fb01cec584acebebc90f0fefe1adffa15c46de6aa0f976d5abb0f43d2
SHA512e4eb943b077d893a5deb3d3b5c1106a21d106d80a7a6ce3ec74c013d0c619509b97307db76103da2c1ca5120c91cbf108adb48bf49f399e78fa31dae0d1cec55
-
Filesize
4.1MB
MD54eef5a7cb768d5a7786b60b305bb91e6
SHA1393eec391d84058b675088391fb00da4c403f429
SHA25614f9df3a38ecbfb1b684666b05acf1b25b6fe55b72c2cfa9c5f92e40ae5bd5da
SHA5128d6dc1b0b50581f5ffb54eddaba6f033d5c96e815144ca26d83b64aa38066a020ef9760bb0805d2596bbe4df9277fcae09075717162f74a50a8214ccead4cb49
-
Filesize
1.1MB
MD5ba746e845c81d3d80793e95ac167ad21
SHA1d7d76545fe02c0d774147c357467d40f4f577e16
SHA2562426ef3c7109a129e4233cec21d76619fe4f148cae1baa07d468ff253d66ec3d
SHA51238ea559f460f8bf3d6f5a1b7339ed06666bb1bbc7473c1bf165fb19357f999a18d5231c1d027fb864632d601a389eb4ff1ca50bf08b450f9f93de59a9aa2021d
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec