Analysis
-
max time kernel
149s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
18-05-2024 15:21
Static task
static1
Behavioral task
behavioral1
Sample
493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe
Resource
win10v2004-20240508-en
General
-
Target
493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe
-
Size
4.1MB
-
MD5
ac233c7c3f8ae883227a86303784b263
-
SHA1
5ea4bfbee38f8457bda16b350dd12b47a22dbbf5
-
SHA256
493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e
-
SHA512
ebc113f38a85d933a6fea5e86043ec1099bb3964169e31656419f6645bf279efa846f96d9bb47a0d20af0b9bd42250ecbba7337069747b444f733d678d1e7162
-
SSDEEP
98304:L3/aXnuKq8lIi6YuYM5DOP1Yy/qFVYXqnggvBm2Aw6XSjras4uEiZDLpDRiiTm:L3/aer8lIiPc9ySnggpxAJiIuBVpFiiy
Malware Config
Signatures
-
Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/2108-2-0x0000000004980000-0x000000000526B000-memory.dmp family_glupteba behavioral1/memory/2108-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2108-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2108-54-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2108-57-0x0000000004980000-0x000000000526B000-memory.dmp family_glupteba behavioral1/memory/644-134-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3584-218-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3584-229-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3584-230-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3584-232-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3584-234-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3584-236-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3584-239-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3584-240-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3584-242-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3584-244-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3584-247-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3584-248-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3584-250-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4764 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3584 csrss.exe 4628 injector.exe 2068 windefender.exe 3204 windefender.exe -
resource yara_rule behavioral1/files/0x0009000000023413-222.dat upx behavioral1/memory/2068-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3204-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2068-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3204-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3204-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\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 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe File created C:\Windows\rss\csrss.exe 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.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 3604 sc.exe -
pid Process 2124 powershell.exe 3280 powershell.exe 1236 powershell.exe 3864 powershell.exe 4900 powershell.exe 4688 powershell.exe 4700 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 2492 schtasks.exe 2836 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,-221 = "Alaskan Daylight Time" 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs 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,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs 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,-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,-332 = "E. Europe Standard Time" 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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" 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe 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,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-732 = "Fiji Standard 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" 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe 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,-721 = "Central Pacific 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-452 = "Caucasus 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,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.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\@tzres.dll,-364 = "Middle East Daylight Time" windefender.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" 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4688 powershell.exe 4688 powershell.exe 2108 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe 2108 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe 4700 powershell.exe 4700 powershell.exe 4700 powershell.exe 644 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe 644 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe 644 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe 644 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe 644 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe 644 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe 644 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe 644 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe 644 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe 644 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe 2124 powershell.exe 2124 powershell.exe 3280 powershell.exe 3280 powershell.exe 1236 powershell.exe 1236 powershell.exe 3864 powershell.exe 3864 powershell.exe 4900 powershell.exe 4900 powershell.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 3584 csrss.exe 3584 csrss.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 3584 csrss.exe 3584 csrss.exe 4628 injector.exe 4628 injector.exe 3584 csrss.exe 3584 csrss.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe 4628 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4688 powershell.exe Token: SeDebugPrivilege 2108 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe Token: SeImpersonatePrivilege 2108 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe Token: SeDebugPrivilege 4700 powershell.exe Token: SeDebugPrivilege 2124 powershell.exe Token: SeDebugPrivilege 3280 powershell.exe Token: SeDebugPrivilege 1236 powershell.exe Token: SeDebugPrivilege 3864 powershell.exe Token: SeDebugPrivilege 4900 powershell.exe Token: SeSystemEnvironmentPrivilege 3584 csrss.exe Token: SeSecurityPrivilege 3604 sc.exe Token: SeSecurityPrivilege 3604 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2108 wrote to memory of 4688 2108 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe 86 PID 2108 wrote to memory of 4688 2108 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe 86 PID 2108 wrote to memory of 4688 2108 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe 86 PID 644 wrote to memory of 4700 644 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe 97 PID 644 wrote to memory of 4700 644 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe 97 PID 644 wrote to memory of 4700 644 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe 97 PID 644 wrote to memory of 4872 644 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe 100 PID 644 wrote to memory of 4872 644 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe 100 PID 4872 wrote to memory of 4764 4872 cmd.exe 103 PID 4872 wrote to memory of 4764 4872 cmd.exe 103 PID 644 wrote to memory of 2124 644 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe 104 PID 644 wrote to memory of 2124 644 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe 104 PID 644 wrote to memory of 2124 644 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe 104 PID 644 wrote to memory of 3280 644 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe 106 PID 644 wrote to memory of 3280 644 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe 106 PID 644 wrote to memory of 3280 644 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe 106 PID 644 wrote to memory of 3584 644 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe 108 PID 644 wrote to memory of 3584 644 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe 108 PID 644 wrote to memory of 3584 644 493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe 108 PID 3584 wrote to memory of 1236 3584 csrss.exe 109 PID 3584 wrote to memory of 1236 3584 csrss.exe 109 PID 3584 wrote to memory of 1236 3584 csrss.exe 109 PID 3584 wrote to memory of 3864 3584 csrss.exe 115 PID 3584 wrote to memory of 3864 3584 csrss.exe 115 PID 3584 wrote to memory of 3864 3584 csrss.exe 115 PID 3584 wrote to memory of 4900 3584 csrss.exe 117 PID 3584 wrote to memory of 4900 3584 csrss.exe 117 PID 3584 wrote to memory of 4900 3584 csrss.exe 117 PID 3584 wrote to memory of 4628 3584 csrss.exe 119 PID 3584 wrote to memory of 4628 3584 csrss.exe 119 PID 2068 wrote to memory of 4716 2068 windefender.exe 127 PID 2068 wrote to memory of 4716 2068 windefender.exe 127 PID 2068 wrote to memory of 4716 2068 windefender.exe 127 PID 4716 wrote to memory of 3604 4716 cmd.exe 128 PID 4716 wrote to memory of 3604 4716 cmd.exe 128 PID 4716 wrote to memory of 3604 4716 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\493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe"C:\Users\Admin\AppData\Local\Temp\493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2108 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4688
-
-
C:\Users\Admin\AppData\Local\Temp\493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.exe"C:\Users\Admin\AppData\Local\Temp\493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e.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:644 -
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:4700
-
-
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:4872 -
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:4764
-
-
-
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:2124
-
-
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:3280
-
-
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:3584 -
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:1236
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2836
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3268
-
-
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:3864
-
-
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:4900
-
-
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:4628
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2492
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2068 -
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:4716 -
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:3604
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3204
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
MD554783b75f30d0518164a2ed0ff750c62
SHA167532d6f80043aa3d6e846ee08e0dbb69444ddeb
SHA25682eaade758404d48ba8e8f935a4c1457d3796c3ae5689baad9de6c83c0b84e34
SHA512558c52755c8340d446add3f92833c05b2f32b35db2b9871e9f3f0fb3006fe8abfcd75f480fa62f5da84c4658fedceb040631b281706efab03ac5a69657dc6036
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53e7c52107722b8f75c0d9ccc7af81101
SHA12ecfdcd91a6aa57d114dee986c7c4a33baf68f19
SHA25615a027958bc521f1ed729064da3580e65511d54a14ed25487ab422d249d7f176
SHA5121184cd11ec6117ac63759f2dcaf7e1e83d1980550a9074d0b93f5eb75d42c39a0cc116d8c59d3c148fd6ddde39ab724fcf6105d907a8887ce507f362e8005f58
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54684d7ba827b66c80e710f9b3c71b0ef
SHA1859e837aa140dd9d4661f4fbf21946bac535f6b3
SHA256f41a784014acc6f14caa0095e33ef0df128f41043f7760e53740c5a5e9b1d1d5
SHA512bcce9996d8a1a4f03e75e97cfa43e4bbb12964167afb4f7831d61c5f21edeae8102ab82648e357860c9e4e504bbb44c0f4e9215609e91eb9650802384eb5a370
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD538f36328486e8e65863b21504e862d22
SHA195029c7047218990626a7499ced8f8d4e1aab369
SHA2565f54b6fbffd3cfa618c92c7313ca0b3b2ad4901c9756d1212eabc4e5b76e33a3
SHA51214e89497bd7ece8611d6d16d09582e0b5ec6a39a058ca1c8fd91c2676cd22255ddd252ce38f1f21ec3efc93a7cea8e20ce46cd49e4da6f5a7295e7c93a7e344b
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55ce07ec69e19a7bb2b8a67357a6cfb29
SHA174e6b665e660a07972e96fe591b0a3e09b90bb95
SHA256049fdc62c0bfaa1403af678fbc372d8b9b4f06b8da5575984f97add02a9ce5bf
SHA512566c627d60f76308d05b3db8b6a6fc7123045b835fb69b37e79cd85ea7f7ed9cc50156d9597b252443d938891296834fe51d5eabd04b4ce862332f93ba8653ab
-
Filesize
4.1MB
MD5ac233c7c3f8ae883227a86303784b263
SHA15ea4bfbee38f8457bda16b350dd12b47a22dbbf5
SHA256493955342edd82e18422e74302a8d8ec1599628ae07e64f6e19625c16d08f27e
SHA512ebc113f38a85d933a6fea5e86043ec1099bb3964169e31656419f6645bf279efa846f96d9bb47a0d20af0b9bd42250ecbba7337069747b444f733d678d1e7162
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec