Analysis
-
max time kernel
150s -
max time network
139s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
09/05/2024, 16:48
Static task
static1
Behavioral task
behavioral1
Sample
b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe
Resource
win10v2004-20240426-en
General
-
Target
b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe
-
Size
4.1MB
-
MD5
be50588fe75fa25a087e5f7d8d4b850f
-
SHA1
651769862a2d2737ae1fc7944607f13480ef7f51
-
SHA256
b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5
-
SHA512
f73a2f366bb28fadb4353a27dd7e513459c151440b85d7b5737d2c5f26927fdbf9eb625efd0a49abd2fc095d71c3f573a185f491ec1f4c3b4cd11806985798d5
-
SSDEEP
98304:LlDK2ogLLeo95J5ZPcfTDKdk17ZCPQ0/B9CeuvJXiZ9xD4RskEV31KmzZ:R7B3j0rWdEQQ059Cfd4xbkE91Km1
Malware Config
Signatures
-
Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/5016-2-0x0000000005000000-0x00000000058EB000-memory.dmp family_glupteba behavioral2/memory/5016-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5016-50-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/5016-78-0x0000000005000000-0x00000000058EB000-memory.dmp family_glupteba behavioral2/memory/2604-77-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/5016-112-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2604-137-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/4940-195-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/4940-206-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/4940-215-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/4940-219-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/4940-223-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/4940-227-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/4940-231-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/4940-235-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/4940-239-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/4940-243-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/4940-247-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral2/memory/4940-251-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3628 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4940 csrss.exe 4468 injector.exe 4956 windefender.exe 4888 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9d5-205.dat upx behavioral2/memory/4956-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4956-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4888-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4888-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4888-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3062789476-783164490-2318012559-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe Set value (str) \REGISTRY\USER\S-1-5-21-3062789476-783164490-2318012559-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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 -
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 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe File created C:\Windows\rss\csrss.exe b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 400 sc.exe -
pid Process 1028 powershell.exe 3416 powershell.exe 2808 powershell.exe 5020 powershell.exe 2264 powershell.exe 1968 powershell.exe 2480 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 1304 schtasks.exe 4700 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,-132 = "US Eastern Standard Time" b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.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,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.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,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.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\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.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\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-252 = "Dateline Standard 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" b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.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,-2532 = "Chatham Islands Standard Time" windefender.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\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs 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,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.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,-2592 = "Tocantins Standard Time" b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3416 powershell.exe 3416 powershell.exe 5016 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 5016 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 2808 powershell.exe 2808 powershell.exe 2604 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 2604 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 2604 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 2604 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 2604 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 2604 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 2604 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 2604 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 2604 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 2604 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 5020 powershell.exe 5020 powershell.exe 2264 powershell.exe 2264 powershell.exe 1968 powershell.exe 1968 powershell.exe 2480 powershell.exe 2480 powershell.exe 1028 powershell.exe 1028 powershell.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4940 csrss.exe 4940 csrss.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4940 csrss.exe 4940 csrss.exe 4468 injector.exe 4468 injector.exe 4940 csrss.exe 4940 csrss.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3416 powershell.exe Token: SeDebugPrivilege 5016 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe Token: SeImpersonatePrivilege 5016 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe Token: SeDebugPrivilege 2808 powershell.exe Token: SeDebugPrivilege 5020 powershell.exe Token: SeDebugPrivilege 2264 powershell.exe Token: SeDebugPrivilege 1968 powershell.exe Token: SeDebugPrivilege 2480 powershell.exe Token: SeDebugPrivilege 1028 powershell.exe Token: SeSystemEnvironmentPrivilege 4940 csrss.exe Token: SeSecurityPrivilege 400 sc.exe Token: SeSecurityPrivilege 400 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 5016 wrote to memory of 3416 5016 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 82 PID 5016 wrote to memory of 3416 5016 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 82 PID 5016 wrote to memory of 3416 5016 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 82 PID 2604 wrote to memory of 2808 2604 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 87 PID 2604 wrote to memory of 2808 2604 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 87 PID 2604 wrote to memory of 2808 2604 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 87 PID 2604 wrote to memory of 4900 2604 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 89 PID 2604 wrote to memory of 4900 2604 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 89 PID 4900 wrote to memory of 3628 4900 cmd.exe 91 PID 4900 wrote to memory of 3628 4900 cmd.exe 91 PID 2604 wrote to memory of 5020 2604 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 92 PID 2604 wrote to memory of 5020 2604 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 92 PID 2604 wrote to memory of 5020 2604 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 92 PID 2604 wrote to memory of 2264 2604 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 94 PID 2604 wrote to memory of 2264 2604 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 94 PID 2604 wrote to memory of 2264 2604 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 94 PID 2604 wrote to memory of 4940 2604 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 96 PID 2604 wrote to memory of 4940 2604 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 96 PID 2604 wrote to memory of 4940 2604 b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe 96 PID 4940 wrote to memory of 1968 4940 csrss.exe 97 PID 4940 wrote to memory of 1968 4940 csrss.exe 97 PID 4940 wrote to memory of 1968 4940 csrss.exe 97 PID 4940 wrote to memory of 2480 4940 csrss.exe 103 PID 4940 wrote to memory of 2480 4940 csrss.exe 103 PID 4940 wrote to memory of 2480 4940 csrss.exe 103 PID 4940 wrote to memory of 1028 4940 csrss.exe 105 PID 4940 wrote to memory of 1028 4940 csrss.exe 105 PID 4940 wrote to memory of 1028 4940 csrss.exe 105 PID 4940 wrote to memory of 4468 4940 csrss.exe 107 PID 4940 wrote to memory of 4468 4940 csrss.exe 107 PID 4956 wrote to memory of 2828 4956 windefender.exe 113 PID 4956 wrote to memory of 2828 4956 windefender.exe 113 PID 4956 wrote to memory of 2828 4956 windefender.exe 113 PID 2828 wrote to memory of 400 2828 cmd.exe 114 PID 2828 wrote to memory of 400 2828 cmd.exe 114 PID 2828 wrote to memory of 400 2828 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\b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe"C:\Users\Admin\AppData\Local\Temp\b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5016 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3416
-
-
C:\Users\Admin\AppData\Local\Temp\b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.exe"C:\Users\Admin\AppData\Local\Temp\b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5.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:2604 -
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:2808
-
-
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:4900 -
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:3628
-
-
-
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:5020
-
-
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:2264
-
-
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:4940 -
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:1968
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1304
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4592
-
-
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:2480
-
-
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:1028
-
-
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:4468
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4700
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4956 -
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:2828 -
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:400
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4888
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5794995af937d4ed6840140379190e948
SHA15266af7b1f850e3d8e878644fcb89731bc2b8b91
SHA2566432a9ce16ca6a062664c2979cef113c0895889a703b5c428ac08c34b3c02997
SHA5120f396e992d632d257406f9ef1d50de94f2745a6ce95186a6fd3355997613c9300a66f8a716742f019cb7b863d917de08d19a47769746b2e67d92aa244bc4a73c
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5330273ac1d4f0c62ccd58c40249245fb
SHA16b94caf6257beb767011b88221d1f2a0b2a19ed3
SHA25618e0ecfe38b36e21a590840c15b5bb434e57d77555fd8cbb4372c056fe1c3dae
SHA512e1cff240b9fefe2b1553de14ef9446587cf0e012b7b01835c3624121373665c70b6771d53de14254cdfb0c4daebf1443602e1132bedbd8be2ed59988a51a9641
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51cd80bdb6e76e30e6b6bdd89afcd0969
SHA1e6e6fc49b7890b6e13070a2519cc559305b01b4d
SHA256586cce95d2d20d785fa0f0190b8da9e47c9c0f870de0e7c18ba68c7a3c07086c
SHA51236cd60e74c9d704a01428223a92a560150bb4a312d75204ee0c4337dadda0e307d5394188a693cd9e9182e33188ff220aa9b5d52dd2493bc4af2dfee022eb5ac
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59c0d195eefa7e64fd02dbf842cc2b49c
SHA1074f418657734f9866de29d7f9ec032b81f2e82b
SHA256522549328ad68b40c5c73837151731fde335ffc0120dfaa8178cd4fbd9851b57
SHA5124d972f911c1a5691535cc93eb7c2d3915e5f08a3e3681d9df7edec37ca12b3027f067dc7961b4aefabad12a6d11c82bcc53bd4824d8dbc97e7f44114712386a3
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5307de14ebbcae6226dbbfdf1e0c05aa6
SHA17ac2e241c5b13c2e2406e1a3b62f1c0d9b6467e1
SHA256ebb5713392bf666ea36973a0b6a09b60237d39d8bf3648970d6b51129a53a775
SHA5126771807e21c92a4a4f046d69aa953ac0a0c4881448c31f5e24bdf47def628f5812d19c806867d435c285bcfc7d839d0b878d375e745f0c90639a9e377b2e5851
-
Filesize
4.1MB
MD5be50588fe75fa25a087e5f7d8d4b850f
SHA1651769862a2d2737ae1fc7944607f13480ef7f51
SHA256b2980657354727e95937606abd57db0dcbdebe630c9291d540d6cec61e67ada5
SHA512f73a2f366bb28fadb4353a27dd7e513459c151440b85d7b5737d2c5f26927fdbf9eb625efd0a49abd2fc095d71c3f573a185f491ec1f4c3b4cd11806985798d5
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec