Analysis
-
max time kernel
150s -
max time network
123s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
16-05-2024 04:28
Static task
static1
Behavioral task
behavioral1
Sample
8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe
Resource
win10v2004-20240426-en
General
-
Target
8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe
-
Size
4.1MB
-
MD5
c99d47cc28fd0b0551b8be3165ca6e86
-
SHA1
d59c2d1046e7086afd9ee9dceba8630668e6d317
-
SHA256
8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1
-
SHA512
c7c46507ad23b2262b222fab91d88d56c63b82dc754d87bc42a93170e7b2809f1bf751b580d18fbf448d0639a74c270bb76712abb2fdec640279696191eb06f2
-
SSDEEP
98304:p96GAmuNBigEkoqfZTwC6uGlBZNljS4jcu:pI9hoq9wC6uGlB/xgu
Malware Config
Signatures
-
Glupteba payload 18 IoCs
Processes:
resource yara_rule behavioral1/memory/460-2-0x0000000002D50000-0x000000000363B000-memory.dmp family_glupteba behavioral1/memory/460-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/460-129-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/460-130-0x0000000002D50000-0x000000000363B000-memory.dmp family_glupteba behavioral1/memory/3892-184-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3360-211-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3360-226-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3360-232-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3360-236-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3360-240-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3360-244-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3360-248-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3360-252-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3360-256-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3360-260-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3360-264-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3360-268-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3360-272-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 4684 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 3360 csrss.exe 3444 injector.exe 2316 windefender.exe 388 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x00080000000234a9-222.dat upx behavioral1/memory/2316-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/388-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2316-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/388-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/388-241-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process File 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.
Processes:
8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe -
Drops file in Windows directory 4 IoCs
Processes:
8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss 8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe File created C:\Windows\rss\csrss.exe 8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.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.
Processes:
sc.exepid Process 1340 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 1804 powershell.exe 1400 powershell.exe 1604 powershell.exe 1892 powershell.exe 1428 powershell.exe 3776 powershell.exe 1616 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid Process 2728 schtasks.exe 4308 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exewindefender.exe8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.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\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.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\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.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,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 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,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exepowershell.exe8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 1616 powershell.exe 1616 powershell.exe 460 8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe 460 8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe 1804 powershell.exe 1804 powershell.exe 3892 8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe 3892 8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe 3892 8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe 3892 8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe 3892 8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe 3892 8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe 3892 8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe 3892 8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe 3892 8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe 3892 8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe 1400 powershell.exe 1400 powershell.exe 1604 powershell.exe 1604 powershell.exe 1892 powershell.exe 1892 powershell.exe 1428 powershell.exe 1428 powershell.exe 3776 powershell.exe 3776 powershell.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3360 csrss.exe 3360 csrss.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3360 csrss.exe 3360 csrss.exe 3444 injector.exe 3444 injector.exe 3360 csrss.exe 3360 csrss.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 1616 powershell.exe Token: SeDebugPrivilege 460 8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe Token: SeImpersonatePrivilege 460 8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe Token: SeDebugPrivilege 1804 powershell.exe Token: SeDebugPrivilege 1400 powershell.exe Token: SeDebugPrivilege 1604 powershell.exe Token: SeDebugPrivilege 1892 powershell.exe Token: SeDebugPrivilege 1428 powershell.exe Token: SeDebugPrivilege 3776 powershell.exe Token: SeSystemEnvironmentPrivilege 3360 csrss.exe Token: SeSecurityPrivilege 1340 sc.exe Token: SeSecurityPrivilege 1340 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 460 wrote to memory of 1616 460 8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe 88 PID 460 wrote to memory of 1616 460 8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe 88 PID 460 wrote to memory of 1616 460 8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe 88 PID 3892 wrote to memory of 1804 3892 8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe 98 PID 3892 wrote to memory of 1804 3892 8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe 98 PID 3892 wrote to memory of 1804 3892 8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe 98 PID 3892 wrote to memory of 4840 3892 8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe 102 PID 3892 wrote to memory of 4840 3892 8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe 102 PID 4840 wrote to memory of 4684 4840 cmd.exe 104 PID 4840 wrote to memory of 4684 4840 cmd.exe 104 PID 3892 wrote to memory of 1400 3892 8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe 105 PID 3892 wrote to memory of 1400 3892 8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe 105 PID 3892 wrote to memory of 1400 3892 8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe 105 PID 3892 wrote to memory of 1604 3892 8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe 107 PID 3892 wrote to memory of 1604 3892 8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe 107 PID 3892 wrote to memory of 1604 3892 8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe 107 PID 3892 wrote to memory of 3360 3892 8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe 109 PID 3892 wrote to memory of 3360 3892 8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe 109 PID 3892 wrote to memory of 3360 3892 8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe 109 PID 3360 wrote to memory of 1892 3360 csrss.exe 110 PID 3360 wrote to memory of 1892 3360 csrss.exe 110 PID 3360 wrote to memory of 1892 3360 csrss.exe 110 PID 3360 wrote to memory of 1428 3360 csrss.exe 115 PID 3360 wrote to memory of 1428 3360 csrss.exe 115 PID 3360 wrote to memory of 1428 3360 csrss.exe 115 PID 3360 wrote to memory of 3776 3360 csrss.exe 118 PID 3360 wrote to memory of 3776 3360 csrss.exe 118 PID 3360 wrote to memory of 3776 3360 csrss.exe 118 PID 3360 wrote to memory of 3444 3360 csrss.exe 120 PID 3360 wrote to memory of 3444 3360 csrss.exe 120 PID 2316 wrote to memory of 1972 2316 windefender.exe 127 PID 2316 wrote to memory of 1972 2316 windefender.exe 127 PID 2316 wrote to memory of 1972 2316 windefender.exe 127 PID 1972 wrote to memory of 1340 1972 cmd.exe 128 PID 1972 wrote to memory of 1340 1972 cmd.exe 128 PID 1972 wrote to memory of 1340 1972 cmd.exe 128 -
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\8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe"C:\Users\Admin\AppData\Local\Temp\8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:460 -
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\8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.exe"C:\Users\Admin\AppData\Local\Temp\8f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1.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:3892 -
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:1804
-
-
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:4840 -
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:4684
-
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1400
-
-
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:1604
-
-
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:3360 -
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:1892
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2728
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4036
-
-
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:1428
-
-
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:3776
-
-
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:3444
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4308
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2316 -
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:1972 -
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:1340
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:388
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f94ee6542981c76713970540a2588549
SHA182860585571667100ce1e587d081fcd1b3e70c56
SHA2567ff6c4ab1342084f42eb1f4f8223458025c70596b09f645e7fc213371421a8e6
SHA5125299d52dc6f742d6596ca5c1108ec6597bc5d0639801c8641c1e7c5464e023a07eea10a7fccc7d8ab3c4a6dc1a6bf7435df6df64e5e92e65c6fc3fa6669e4e6a
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50bc563596028fd1b9339c3e02e328638
SHA14f2a8cb6fbf9e1e1d77346883d410102f9a999e7
SHA256c63271a329410976faa2f6c91eff9b11c195fc9a33ea01f288b45655b3468007
SHA5129b24ac2bde82facfe9e1ec250fc9e82e333d4750fc8f9c4cb264d7c6e9481b004ee5f64e6ccec37c54c54dc5cecba4cb82835fa8e40c0b35e026657cde3a2cb7
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bd2e273ef4301c28ddf1d0b8de7e373b
SHA183d8467eedf77ce3ab397bf654aec4a3761a91bc
SHA2567db570ba781f32839ca427d9f28eaa878102be6e277c2a754c8016b5232507ab
SHA5123ba50fb139da73a77a2ef51cca6389703209fb569a5a317570d95cf3d6810ce7e376646a06bc44f0ffc5acb42dc6bdfd56a07f46dbdf7b9315661f9053967acb
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bd4602f1b5dd7e4a3024c72aeeadb8af
SHA18956bb044ab1f5cd69775dfe9797a3ed169b6279
SHA256476e16917b5dfded9ab0bf6903cef3316e42ff147f5d9c7de69f819511536df9
SHA51247459cd8003c6e9329ec426328e9a0776ff9b7d984d28d7b656da7c3c0892b457ef87bef1f15442aa7cf8f363efb5369b5b6cb0c89862b029854eed0aba013c8
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b91ad1eaa5dc0913b22ff0c92f75444d
SHA19ac9ad387ff037fc107625ad5cd66f7cabdbbe57
SHA25636bc42ffe37dd971d22c993974a9dcf11eb37ddb558389ceaa244192058f251c
SHA51221edf11b9477d1b48d324995b2a83a595cad855cab9b515f1cb5cbd8b734b23a45d6c78d652c5cd87fda69ca1693754dc6e12280e2a350ed987822dd2eafea6a
-
Filesize
4.1MB
MD5c99d47cc28fd0b0551b8be3165ca6e86
SHA1d59c2d1046e7086afd9ee9dceba8630668e6d317
SHA2568f33621dd9de316295b7d7bde8c334aa0f513d844f2ab5fb2ce86b44297ec5b1
SHA512c7c46507ad23b2262b222fab91d88d56c63b82dc754d87bc42a93170e7b2809f1bf751b580d18fbf448d0639a74c270bb76712abb2fdec640279696191eb06f2
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec