Analysis
-
max time kernel
150s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
14/05/2024, 04:45
Static task
static1
Behavioral task
behavioral1
Sample
d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe
Resource
win10v2004-20240508-en
General
-
Target
d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe
-
Size
4.1MB
-
MD5
d27dccaecb4152d8d8c27e16a477fbc5
-
SHA1
7b7d3a329ea15623248d853064d919b0dd27b73f
-
SHA256
d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a
-
SHA512
92e95360dedbca30150ac21197c8fff6e2ef4598669ff53774c15dca56066ce0893eda35a61e471694aa303e5beb4ac61aba5ca98919769733c843209a70ec18
-
SSDEEP
49152:lusMcn8CcimaK+RGz/zlt4bISp3DCHxBfUEIk/TW2I851K9FoR0Q4A8QpOl6wIkh:XMhq0P/4bNpqfeTcPxPwIZSKEVtlBQ6l
Malware Config
Signatures
-
Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/2920-2-0x0000000002E50000-0x000000000373B000-memory.dmp family_glupteba behavioral2/memory/2920-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2920-51-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2920-54-0x0000000002E50000-0x000000000373B000-memory.dmp family_glupteba behavioral2/memory/2500-122-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2500-128-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2012-186-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2012-207-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2012-215-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2012-218-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2012-221-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2012-224-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2012-227-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2012-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2012-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2012-236-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2012-239-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2012-242-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4964 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2012 csrss.exe 2396 injector.exe 4964 windefender.exe 3748 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa06-206.dat upx behavioral2/memory/4964-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3748-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4964-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3748-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3748-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe File created C:\Windows\rss\csrss.exe d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.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 5008 sc.exe -
pid Process 4924 powershell.exe 3028 powershell.exe 3148 powershell.exe 4324 powershell.exe 2240 powershell.exe 1696 powershell.exe 1628 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 2860 schtasks.exe 1572 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process 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,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.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" d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.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\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 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,-2572 = "Turks and Caicos Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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,-982 = "Kamchatka Standard 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\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.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,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4924 powershell.exe 4924 powershell.exe 2920 d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe 2920 d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe 3028 powershell.exe 3028 powershell.exe 2500 d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe 2500 d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe 2500 d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe 2500 d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe 2500 d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe 2500 d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe 2500 d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe 2500 d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe 2500 d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe 2500 d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe 3148 powershell.exe 3148 powershell.exe 4324 powershell.exe 4324 powershell.exe 2240 powershell.exe 2240 powershell.exe 1696 powershell.exe 1696 powershell.exe 1628 powershell.exe 1628 powershell.exe 2396 injector.exe 2396 injector.exe 2396 injector.exe 2396 injector.exe 2396 injector.exe 2396 injector.exe 2012 csrss.exe 2012 csrss.exe 2396 injector.exe 2396 injector.exe 2396 injector.exe 2396 injector.exe 2396 injector.exe 2396 injector.exe 2012 csrss.exe 2012 csrss.exe 2396 injector.exe 2396 injector.exe 2012 csrss.exe 2012 csrss.exe 2396 injector.exe 2396 injector.exe 2396 injector.exe 2396 injector.exe 2396 injector.exe 2396 injector.exe 2396 injector.exe 2396 injector.exe 2396 injector.exe 2396 injector.exe 2396 injector.exe 2396 injector.exe 2396 injector.exe 2396 injector.exe 2396 injector.exe 2396 injector.exe 2396 injector.exe 2396 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4924 powershell.exe Token: SeDebugPrivilege 2920 d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe Token: SeImpersonatePrivilege 2920 d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe Token: SeDebugPrivilege 3028 powershell.exe Token: SeDebugPrivilege 3148 powershell.exe Token: SeDebugPrivilege 4324 powershell.exe Token: SeDebugPrivilege 2240 powershell.exe Token: SeDebugPrivilege 1696 powershell.exe Token: SeDebugPrivilege 1628 powershell.exe Token: SeSystemEnvironmentPrivilege 2012 csrss.exe Token: SeSecurityPrivilege 5008 sc.exe Token: SeSecurityPrivilege 5008 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2920 wrote to memory of 4924 2920 d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe 82 PID 2920 wrote to memory of 4924 2920 d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe 82 PID 2920 wrote to memory of 4924 2920 d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe 82 PID 2500 wrote to memory of 3028 2500 d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe 87 PID 2500 wrote to memory of 3028 2500 d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe 87 PID 2500 wrote to memory of 3028 2500 d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe 87 PID 2500 wrote to memory of 72 2500 d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe 89 PID 2500 wrote to memory of 72 2500 d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe 89 PID 72 wrote to memory of 4964 72 cmd.exe 91 PID 72 wrote to memory of 4964 72 cmd.exe 91 PID 2500 wrote to memory of 3148 2500 d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe 92 PID 2500 wrote to memory of 3148 2500 d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe 92 PID 2500 wrote to memory of 3148 2500 d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe 92 PID 2500 wrote to memory of 4324 2500 d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe 94 PID 2500 wrote to memory of 4324 2500 d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe 94 PID 2500 wrote to memory of 4324 2500 d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe 94 PID 2500 wrote to memory of 2012 2500 d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe 96 PID 2500 wrote to memory of 2012 2500 d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe 96 PID 2500 wrote to memory of 2012 2500 d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe 96 PID 2012 wrote to memory of 2240 2012 csrss.exe 97 PID 2012 wrote to memory of 2240 2012 csrss.exe 97 PID 2012 wrote to memory of 2240 2012 csrss.exe 97 PID 2012 wrote to memory of 1696 2012 csrss.exe 102 PID 2012 wrote to memory of 1696 2012 csrss.exe 102 PID 2012 wrote to memory of 1696 2012 csrss.exe 102 PID 2012 wrote to memory of 1628 2012 csrss.exe 105 PID 2012 wrote to memory of 1628 2012 csrss.exe 105 PID 2012 wrote to memory of 1628 2012 csrss.exe 105 PID 2012 wrote to memory of 2396 2012 csrss.exe 107 PID 2012 wrote to memory of 2396 2012 csrss.exe 107 PID 4964 wrote to memory of 4284 4964 windefender.exe 113 PID 4964 wrote to memory of 4284 4964 windefender.exe 113 PID 4964 wrote to memory of 4284 4964 windefender.exe 113 PID 4284 wrote to memory of 5008 4284 cmd.exe 114 PID 4284 wrote to memory of 5008 4284 cmd.exe 114 PID 4284 wrote to memory of 5008 4284 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\d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe"C:\Users\Admin\AppData\Local\Temp\d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2920 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4924
-
-
C:\Users\Admin\AppData\Local\Temp\d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.exe"C:\Users\Admin\AppData\Local\Temp\d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a.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:2500 -
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:3028
-
-
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:72 -
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:4964
-
-
-
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:3148
-
-
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:4324
-
-
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:2012 -
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:2240
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2860
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2232
-
-
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:1696
-
-
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:1628
-
-
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:2396
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1572
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4964 -
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:4284 -
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:5008
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3748
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD541b1e1467cabb34150bd4918ea5a33f3
SHA1721d0a0041a4dd13b0f810432669d4b8e36a8cfd
SHA2563868addc73026dd5fc29faddfe30643916d42630ff932ac39d5b647479249b45
SHA51247904dac63baceec2a64f8e5e8e4ebc878d64d2858106abf812e184d067450002fba6d67b99b7ca8e08cbfc024cdaa81ec6701a0ca5fa6041064c0fb1e37de8a
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55b36f5794fa7a29bd877839f67a34447
SHA155d2a33e36f83df3914633f19c3b2302f8529944
SHA25681602d051b31e24850643551a2c008272c46d8d14923fc2676e9d8b52047c433
SHA512f7caa892731c9e2febfb3562d438e7b978df380d1aef595e59a0a3e2b5b6b9e7c363b40f2bc93a02ea63c623ae8546b946bc2676333ca194a3ae6f5dfb90a9ba
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD540bd281e763d7fe1785c6353ccbfbe0e
SHA14e33454d63e6e1fcc2a857b5956c671363d96348
SHA25647a5263fd7369a356f53a46833c8a4fec0100ca9ca31c733d9213ca2a006ed1d
SHA51235314e7b2ef8cdddb7059bd75e502fa8f68cadd315942501fbfe6a31e94991485ffa788295d8d315db41691a9d635de66f27f8e4975dcd6915ce21e678050664
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d9ae315911d384cf8cb746e546bec2d3
SHA15197c1802bc1051d5b20366edbc3f6d07cc0f48e
SHA2562c3fd6a2ea81aab55932dc4f6e50ecbf71d3d080395aa8bcb2cc7c99cff629ec
SHA512bb44fe1a965c5660be06ad333e00f3000f45ee2a8199bf8051e60b984dfa679600a8a9677af3964ddef40eaf4ed8e99cf88ac8d4900b74779ea3b1be50a68765
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51059c1c6c5e9e709c209119c8c577cd8
SHA179287d1279e40f3b1e59f6fc54771bc7c17b54ad
SHA25696df1e6c745b21a84cbc0ce8d168e4dfa9a34780b114a4b6b9085f21796a020c
SHA51224eabac0a7a2d411f2463c2cca81b0793e4a2f5355d973836592a55b1165906195fe7aee9e7c3d95a7c7a3baa04652f5c223bde3bed123e8bd9d802f3fa322d0
-
Filesize
4.1MB
MD5d27dccaecb4152d8d8c27e16a477fbc5
SHA17b7d3a329ea15623248d853064d919b0dd27b73f
SHA256d6dc5e6be7cf4ec31b08268bfafdc3f7290a59fd7d19f29168dda806a99f599a
SHA51292e95360dedbca30150ac21197c8fff6e2ef4598669ff53774c15dca56066ce0893eda35a61e471694aa303e5beb4ac61aba5ca98919769733c843209a70ec18
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec