Analysis
-
max time kernel
149s -
max time network
126s -
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 13:29
Static task
static1
Behavioral task
behavioral1
Sample
cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe
Resource
win7-20240221-en
General
-
Target
cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe
-
Size
4.1MB
-
MD5
09a5fbe77e89b211eda8cf4df226039d
-
SHA1
00a1f9efc0931ff5c04dd1f067699f91e464b321
-
SHA256
cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e
-
SHA512
630d17f9040ee3d79c3eaf5f3eede6b861961534f33dc78f58771b10be5b46ba96303e5907f1d9f5b868e3f65dc354811293eb87c8c81c4d70a832b94cf6abaf
-
SSDEEP
98304:MxfL9oyIkrku4AJMBJNRxIbk0RddEjk9Pc8cg301s2mGvK:6RrVrv4XbNRWhj2o9k8f3CspGvK
Malware Config
Signatures
-
Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/116-2-0x0000000004C10000-0x00000000054FB000-memory.dmp family_glupteba behavioral2/memory/116-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/116-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/116-57-0x0000000004C10000-0x00000000054FB000-memory.dmp family_glupteba behavioral2/memory/116-54-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4356-136-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4060-213-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4060-227-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4060-228-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4060-230-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4060-232-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4060-235-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4060-236-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4060-238-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4060-240-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4060-243-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4060-244-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4060-246-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4060-248-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1460 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4060 csrss.exe 4408 injector.exe 2432 windefender.exe 1800 windefender.exe -
resource yara_rule behavioral2/files/0x000900000002343f-221.dat upx behavioral2/memory/2432-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2432-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1800-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1800-233-0x0000000000400000-0x00000000008DF000-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\"" cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.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 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 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 -
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 cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe File created C:\Windows\rss\csrss.exe cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe File created 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 2652 sc.exe -
pid Process 2920 powershell.exe 2912 powershell.exe 1300 powershell.exe 4308 powershell.exe 3564 powershell.exe 508 powershell.exe 4936 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1844 4356 WerFault.exe 97 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4904 schtasks.exe 3904 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,-2792 = "Novosibirsk Standard Time" cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe 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,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.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\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-562 = "SE Asia Standard 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" cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 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,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2920 powershell.exe 2920 powershell.exe 116 cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe 116 cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe 2912 powershell.exe 2912 powershell.exe 2912 powershell.exe 4356 cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe 4356 cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe 4356 cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe 4356 cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe 4356 cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe 4356 cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe 4356 cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe 4356 cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe 4356 cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe 4356 cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe 1300 powershell.exe 1300 powershell.exe 4308 powershell.exe 4308 powershell.exe 3564 powershell.exe 3564 powershell.exe 508 powershell.exe 508 powershell.exe 4936 powershell.exe 4936 powershell.exe 4408 injector.exe 4408 injector.exe 4408 injector.exe 4408 injector.exe 4408 injector.exe 4408 injector.exe 4060 csrss.exe 4060 csrss.exe 4408 injector.exe 4408 injector.exe 4408 injector.exe 4408 injector.exe 4408 injector.exe 4408 injector.exe 4060 csrss.exe 4060 csrss.exe 4408 injector.exe 4408 injector.exe 4060 csrss.exe 4060 csrss.exe 4408 injector.exe 4408 injector.exe 4408 injector.exe 4408 injector.exe 4408 injector.exe 4408 injector.exe 4408 injector.exe 4408 injector.exe 4408 injector.exe 4408 injector.exe 4408 injector.exe 4408 injector.exe 4408 injector.exe 4408 injector.exe 4408 injector.exe 4408 injector.exe 4408 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2920 powershell.exe Token: SeDebugPrivilege 116 cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe Token: SeImpersonatePrivilege 116 cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe Token: SeDebugPrivilege 2912 powershell.exe Token: SeDebugPrivilege 1300 powershell.exe Token: SeDebugPrivilege 4308 powershell.exe Token: SeDebugPrivilege 3564 powershell.exe Token: SeDebugPrivilege 508 powershell.exe Token: SeDebugPrivilege 4936 powershell.exe Token: SeSystemEnvironmentPrivilege 4060 csrss.exe Token: SeSecurityPrivilege 2652 sc.exe Token: SeSecurityPrivilege 2652 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 116 wrote to memory of 2920 116 cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe 87 PID 116 wrote to memory of 2920 116 cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe 87 PID 116 wrote to memory of 2920 116 cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe 87 PID 4356 wrote to memory of 2912 4356 cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe 98 PID 4356 wrote to memory of 2912 4356 cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe 98 PID 4356 wrote to memory of 2912 4356 cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe 98 PID 4356 wrote to memory of 2716 4356 cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe 102 PID 4356 wrote to memory of 2716 4356 cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe 102 PID 2716 wrote to memory of 1460 2716 cmd.exe 104 PID 2716 wrote to memory of 1460 2716 cmd.exe 104 PID 4356 wrote to memory of 1300 4356 cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe 106 PID 4356 wrote to memory of 1300 4356 cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe 106 PID 4356 wrote to memory of 1300 4356 cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe 106 PID 4356 wrote to memory of 4308 4356 cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe 108 PID 4356 wrote to memory of 4308 4356 cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe 108 PID 4356 wrote to memory of 4308 4356 cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe 108 PID 4356 wrote to memory of 4060 4356 cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe 110 PID 4356 wrote to memory of 4060 4356 cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe 110 PID 4356 wrote to memory of 4060 4356 cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe 110 PID 4060 wrote to memory of 3564 4060 csrss.exe 114 PID 4060 wrote to memory of 3564 4060 csrss.exe 114 PID 4060 wrote to memory of 3564 4060 csrss.exe 114 PID 4060 wrote to memory of 508 4060 csrss.exe 119 PID 4060 wrote to memory of 508 4060 csrss.exe 119 PID 4060 wrote to memory of 508 4060 csrss.exe 119 PID 4060 wrote to memory of 4936 4060 csrss.exe 122 PID 4060 wrote to memory of 4936 4060 csrss.exe 122 PID 4060 wrote to memory of 4936 4060 csrss.exe 122 PID 4060 wrote to memory of 4408 4060 csrss.exe 124 PID 4060 wrote to memory of 4408 4060 csrss.exe 124 PID 2432 wrote to memory of 4480 2432 windefender.exe 132 PID 2432 wrote to memory of 4480 2432 windefender.exe 132 PID 2432 wrote to memory of 4480 2432 windefender.exe 132 PID 4480 wrote to memory of 2652 4480 cmd.exe 133 PID 4480 wrote to memory of 2652 4480 cmd.exe 133 PID 4480 wrote to memory of 2652 4480 cmd.exe 133 -
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\cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe"C:\Users\Admin\AppData\Local\Temp\cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:116 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2920
-
-
C:\Users\Admin\AppData\Local\Temp\cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.exe"C:\Users\Admin\AppData\Local\Temp\cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e.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:4356 -
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:2912
-
-
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:2716 -
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:1460
-
-
-
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:1300
-
-
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:4308
-
-
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:4060 -
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:3564
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4904
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4360
-
-
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:508
-
-
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:4936
-
-
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:4408
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3904
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2432 -
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:4480 -
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:2652
-
-
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4356 -s 6963⤵
- Program crash
PID:1844
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4356 -ip 43561⤵PID:4480
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1800
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
MD50b29bff95b0663ffaadadfbe75b6ad36
SHA1d4608759fcaf8ff909125a68f2e004fecacee38c
SHA256a1987b42a7c3358037e871361a538c1b95d075e0b4d0e2f8c1a3b26cb94a267e
SHA5120a2ec7c750146e7f0fc2be13afc3641f5bafa37652bc9b6d23e33ea6fbefecd2c9d1a47bbf69996970bb5ed3d4ac0ca35ee2c416aa523c24fa6d330d0fd1ce4f
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ee51eeab21144bfa9114ed1e65edad0a
SHA147029b85742b1874aa345cb3aecb82b3e2c7d6cf
SHA25624e0ebb62c31707118b864cc5a57df087418ea89008bd59b7617ded90a58ece0
SHA512bc9d56b9beea71140b1c12634082ab1524da522d19ce271cbd693dc04823b6ecec1fd86c7f6e5b67121692b967041a40a6048d684bafcc89e96bc58e46f44a96
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD587cd87f82ed8db333b4b912f67ec12be
SHA1c4b13141e84877ed353507a333553a710c626209
SHA25661c168c63d35281737e974a775dbbd68a1d82c72d89ee8787ad8255119ef870c
SHA5127987d88f3918cd74fd89511bb850ca7a394fdb5db03c77d624126ff6de477ca7cc9dba0fb9af6597d1110d788bc5be9016a78b651e7828d05078fb8658d63f92
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f6f162ef7809378c98cb22f5ca179971
SHA14549393d6868f13149e5184c927f1f1203603bf9
SHA2566591baaed02ece451a0b8bdc65fde62b2db1867c5cb2077433e013c0f3619978
SHA51240172ed5648ab7059aefe124ae895850c6344a94c940c1d9077ae282d45a2d800d9115f802bffb975bb93522f1defc8df7cb3bef485a0e29937595bba06a3fd1
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ac069c36b2386c3d7a40a69e6f1c2eb4
SHA1f99c8d2270244ea0e704d1b734efc527afa1a236
SHA2568c81c25133029f3a937d70232fcf4dd00146e86216b096993d39287b707c2f2b
SHA5126fb2ee854205246550e652589a948936b52d40f80eaffab1f6cf4e8ed3dd91939bf13dd0f0c61bce7bc8afaacbc03ea13693d707a26942a6592891a11a828ce4
-
Filesize
4.1MB
MD509a5fbe77e89b211eda8cf4df226039d
SHA100a1f9efc0931ff5c04dd1f067699f91e464b321
SHA256cdff012f7946988a791c8bf925d8eed8fb510e1dc8311b5b5a29c7189acd152e
SHA512630d17f9040ee3d79c3eaf5f3eede6b861961534f33dc78f58771b10be5b46ba96303e5907f1d9f5b868e3f65dc354811293eb87c8c81c4d70a832b94cf6abaf
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec