Analysis
-
max time kernel
150s -
max time network
136s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
20-05-2024 04:48
Static task
static1
Behavioral task
behavioral1
Sample
33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe
Resource
win10v2004-20240508-en
General
-
Target
33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe
-
Size
4.1MB
-
MD5
d01ac83e5a80038cd1e738536015a287
-
SHA1
a8a94746959507d3af3e2b3d84b6b5100d8535b2
-
SHA256
33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1
-
SHA512
99fa2dde23cd131fe5dac52b2f2eb8ec9405a621126715fd233155c136547fd21b260c74ca2dcaedb0c4e51152327abb6807e3de3894f9d21c6698bc941b0cac
-
SSDEEP
98304:HquwTfmIkbquibhaubey8xw4weLmAcL8k4+6XNB3Rebmbqb0O:YLmIkbquibpii2yAk4+2fEKmbZ
Malware Config
Signatures
-
Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/2012-2-0x0000000002E20000-0x000000000370B000-memory.dmp family_glupteba behavioral2/memory/2012-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2012-62-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2012-93-0x0000000002E20000-0x000000000370B000-memory.dmp family_glupteba behavioral2/memory/936-115-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/936-166-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2076-196-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2076-203-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2076-212-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2076-216-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2076-220-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2076-224-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2076-228-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2076-232-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2076-236-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2076-240-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2076-244-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2076-248-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 5048 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2076 csrss.exe 236 injector.exe 4016 windefender.exe 2856 windefender.exe -
resource yara_rule behavioral2/files/0x001b00000002ab26-202.dat upx behavioral2/memory/4016-204-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2856-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4016-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2856-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2856-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.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 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 -
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 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe File created C:\Windows\rss\csrss.exe 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.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 4724 sc.exe -
pid Process 3200 powershell.exe 1080 powershell.exe 1060 powershell.exe 3964 powershell.exe 3184 powershell.exe 3908 powershell.exe 4380 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1136 3200 WerFault.exe 82 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4956 schtasks.exe 1692 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight 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" 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.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,-462 = "Afghanistan Standard Time" 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs 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\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3200 powershell.exe 3200 powershell.exe 2012 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 2012 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 1080 powershell.exe 1080 powershell.exe 936 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 936 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 936 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 936 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 936 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 936 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 936 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 936 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 936 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 936 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 1060 powershell.exe 1060 powershell.exe 3964 powershell.exe 3964 powershell.exe 3184 powershell.exe 3184 powershell.exe 3908 powershell.exe 3908 powershell.exe 4380 powershell.exe 4380 powershell.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 2076 csrss.exe 236 injector.exe 2076 csrss.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 2076 csrss.exe 2076 csrss.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 2076 csrss.exe 2076 csrss.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3200 powershell.exe Token: SeDebugPrivilege 2012 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe Token: SeImpersonatePrivilege 2012 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe Token: SeDebugPrivilege 1080 powershell.exe Token: SeDebugPrivilege 1060 powershell.exe Token: SeDebugPrivilege 3964 powershell.exe Token: SeDebugPrivilege 3184 powershell.exe Token: SeDebugPrivilege 3908 powershell.exe Token: SeDebugPrivilege 4380 powershell.exe Token: SeSystemEnvironmentPrivilege 2076 csrss.exe Token: SeSecurityPrivilege 4724 sc.exe Token: SeSecurityPrivilege 4724 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2012 wrote to memory of 3200 2012 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 82 PID 2012 wrote to memory of 3200 2012 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 82 PID 2012 wrote to memory of 3200 2012 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 82 PID 936 wrote to memory of 1080 936 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 90 PID 936 wrote to memory of 1080 936 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 90 PID 936 wrote to memory of 1080 936 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 90 PID 936 wrote to memory of 1176 936 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 92 PID 936 wrote to memory of 1176 936 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 92 PID 1176 wrote to memory of 5048 1176 cmd.exe 94 PID 1176 wrote to memory of 5048 1176 cmd.exe 94 PID 936 wrote to memory of 1060 936 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 95 PID 936 wrote to memory of 1060 936 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 95 PID 936 wrote to memory of 1060 936 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 95 PID 936 wrote to memory of 3964 936 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 97 PID 936 wrote to memory of 3964 936 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 97 PID 936 wrote to memory of 3964 936 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 97 PID 936 wrote to memory of 2076 936 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 99 PID 936 wrote to memory of 2076 936 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 99 PID 936 wrote to memory of 2076 936 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 99 PID 2076 wrote to memory of 3184 2076 csrss.exe 100 PID 2076 wrote to memory of 3184 2076 csrss.exe 100 PID 2076 wrote to memory of 3184 2076 csrss.exe 100 PID 2076 wrote to memory of 3908 2076 csrss.exe 105 PID 2076 wrote to memory of 3908 2076 csrss.exe 105 PID 2076 wrote to memory of 3908 2076 csrss.exe 105 PID 2076 wrote to memory of 4380 2076 csrss.exe 108 PID 2076 wrote to memory of 4380 2076 csrss.exe 108 PID 2076 wrote to memory of 4380 2076 csrss.exe 108 PID 2076 wrote to memory of 236 2076 csrss.exe 110 PID 2076 wrote to memory of 236 2076 csrss.exe 110 PID 4016 wrote to memory of 1060 4016 windefender.exe 116 PID 4016 wrote to memory of 1060 4016 windefender.exe 116 PID 4016 wrote to memory of 1060 4016 windefender.exe 116 PID 1060 wrote to memory of 4724 1060 cmd.exe 117 PID 1060 wrote to memory of 4724 1060 cmd.exe 117 PID 1060 wrote to memory of 4724 1060 cmd.exe 117 -
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\33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe"C:\Users\Admin\AppData\Local\Temp\33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2012 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3200 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3200 -s 21523⤵
- Program crash
PID:1136
-
-
-
C:\Users\Admin\AppData\Local\Temp\33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe"C:\Users\Admin\AppData\Local\Temp\33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.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:936 -
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:1080
-
-
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:1176 -
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:5048
-
-
-
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:1060
-
-
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:3964
-
-
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:2076 -
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:3184
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4956
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3684
-
-
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:3908
-
-
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:4380
-
-
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:236
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1692
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4016 -
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:1060 -
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:4724
-
-
-
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3200 -ip 32001⤵PID:3908
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2856
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
MD57817919de0b92e9f83c5f3bff7448632
SHA12ad2949d3a2db39ff7c79a21da53f71a9c5b3b5f
SHA2569bbe4241eeda7253f0403683def98114b633d06e0d0d16288dcf4f54d86efdf7
SHA512e6039534492124fdaff55627c4a8ba80e5ca5d6a8f6f91b8d4a04d9a7a956e63f4359993b39e2eb3ccad3f103dcdbbf8864e2c0b953ea978633c5300550500e3
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5174838caba84465bbf5b560d610aa284
SHA166a54795b4e4c5bbb57f34cde181743143c3e4ea
SHA256e628c1525f5b46e8cee149a1c02b7232f877c292dbe866f96c0bc6dfe8991f6a
SHA51248cc8f847e59beb5780096537a142ee7861bdc1b4061d6c09b7718b958af4dd7a042a7c62533b95618ec05fd2d5cf59d9ca04269123704463aad912e474878ec
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5eecdf3aa24f91691351fd62df721cf0a
SHA16f71038a6d8b750c77a91de356935984824cf919
SHA256929d00f903c87b98cfc432c94937a6d3d909b299190f2980302483d1e7e2d74d
SHA5129b5cd816931a64a6136fb24c82a4be356b6e0847f102fb63c0f4c9e8a5f620a276f506ff3e98670f33ae09fd38d4d4a3250082d422ed24ff9607c0f791da963e
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53468f66e8a137d17ba048d3992ebb618
SHA1cced85537557bdc08545c3f2d34f258950d34731
SHA2566d1a28bea760964488feef31f83d0d7b80e4ab054205e15d68835e7265e759d3
SHA512e16dad3a2ba05eb449431d5dbcc212bd8350b308635acd8e0bb7d529075123e4f31cf077d976ad52cd38477eb2a727bc4fc1f099158c230ba318c3da89d90abf
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5933c907767797879e66eef3d9a1ccbf6
SHA192305a4a8e911bffec86adacb048c6de2242906c
SHA2561969b508e9f8e1ed9e2ef724570c82aef390b99cf254976b68e87d9488179a99
SHA5125573620439d80cf38d253bc717558a1736cc33546b27d5117266821ae48fa185ce8f7d8977ffd1257f46dcfd84057e7410d36da6b454a12640a9fd7f0034e822
-
Filesize
4.1MB
MD5d01ac83e5a80038cd1e738536015a287
SHA1a8a94746959507d3af3e2b3d84b6b5100d8535b2
SHA25633b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1
SHA51299fa2dde23cd131fe5dac52b2f2eb8ec9405a621126715fd233155c136547fd21b260c74ca2dcaedb0c4e51152327abb6807e3de3894f9d21c6698bc941b0cac
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec