Analysis
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max time kernel
150s -
max time network
133s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
18-05-2024 08:21
Static task
static1
Behavioral task
behavioral1
Sample
6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe
Resource
win10v2004-20240508-en
General
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Target
6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe
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Size
4.1MB
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MD5
f7524bfc0cb6ae1e7c4e24771c1b13a4
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SHA1
00d67592cdfc99ce332239a4d009bf32345cf421
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SHA256
6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599
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SHA512
137e032e6e078d66408ec6ccaf52d2d3040e22fed264861dc1a703a0f17abaf20767b000ae15097512657deca8eef571558c699e20d1c3f72c738be3dc5f7a55
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SSDEEP
98304:gcO3d23DP4WvcTQUVFyLidGODnX7vlp0fAiBu1UOo5GU75c1WMsx3:gcO3d2wQ4Q8FyLwnXJ+AxvtU75c1jsZ
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/2320-2-0x0000000004CD0000-0x00000000055BB000-memory.dmp family_glupteba behavioral2/memory/2320-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2320-98-0x0000000004CD0000-0x00000000055BB000-memory.dmp family_glupteba behavioral2/memory/2320-96-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2320-146-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4844-137-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4168-200-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4168-212-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4168-215-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4168-220-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4168-224-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4168-228-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4168-231-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4168-236-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4168-240-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4168-244-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4168-247-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4168-252-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4168-256-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 908 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4168 csrss.exe 236 injector.exe 2600 windefender.exe 4596 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9f5-204.dat upx behavioral2/memory/2600-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4596-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2600-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4596-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4596-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\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.
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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 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe 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 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3240 sc.exe -
pid Process 1380 powershell.exe 2356 powershell.exe 4572 powershell.exe 3972 powershell.exe 3976 powershell.exe 3120 powershell.exe 708 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 1732 schtasks.exe 112 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.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\UNCAsIntranet = "1" powershell.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\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs 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\@tzres.dll,-621 = "Korea 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" 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.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\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.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\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\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\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.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,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.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\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard 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" 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3120 powershell.exe 3120 powershell.exe 2320 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe 2320 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe 708 powershell.exe 708 powershell.exe 4844 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe 4844 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe 4844 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe 4844 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe 4844 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe 4844 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe 4844 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe 4844 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe 4844 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe 4844 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe 1380 powershell.exe 1380 powershell.exe 2356 powershell.exe 2356 powershell.exe 4572 powershell.exe 4572 powershell.exe 3972 powershell.exe 3972 powershell.exe 3976 powershell.exe 3976 powershell.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 4168 csrss.exe 4168 csrss.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 4168 csrss.exe 4168 csrss.exe 236 injector.exe 236 injector.exe 4168 csrss.exe 4168 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 236 injector.exe 236 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3120 powershell.exe Token: SeDebugPrivilege 2320 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe Token: SeImpersonatePrivilege 2320 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe Token: SeDebugPrivilege 708 powershell.exe Token: SeDebugPrivilege 1380 powershell.exe Token: SeDebugPrivilege 2356 powershell.exe Token: SeDebugPrivilege 4572 powershell.exe Token: SeDebugPrivilege 3972 powershell.exe Token: SeDebugPrivilege 3976 powershell.exe Token: SeSystemEnvironmentPrivilege 4168 csrss.exe Token: SeSecurityPrivilege 3240 sc.exe Token: SeSecurityPrivilege 3240 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2320 wrote to memory of 3120 2320 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe 81 PID 2320 wrote to memory of 3120 2320 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe 81 PID 2320 wrote to memory of 3120 2320 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe 81 PID 4844 wrote to memory of 708 4844 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe 86 PID 4844 wrote to memory of 708 4844 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe 86 PID 4844 wrote to memory of 708 4844 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe 86 PID 4844 wrote to memory of 2224 4844 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe 88 PID 4844 wrote to memory of 2224 4844 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe 88 PID 2224 wrote to memory of 908 2224 cmd.exe 90 PID 2224 wrote to memory of 908 2224 cmd.exe 90 PID 4844 wrote to memory of 1380 4844 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe 91 PID 4844 wrote to memory of 1380 4844 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe 91 PID 4844 wrote to memory of 1380 4844 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe 91 PID 4844 wrote to memory of 2356 4844 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe 93 PID 4844 wrote to memory of 2356 4844 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe 93 PID 4844 wrote to memory of 2356 4844 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe 93 PID 4844 wrote to memory of 4168 4844 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe 95 PID 4844 wrote to memory of 4168 4844 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe 95 PID 4844 wrote to memory of 4168 4844 6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe 95 PID 4168 wrote to memory of 4572 4168 csrss.exe 96 PID 4168 wrote to memory of 4572 4168 csrss.exe 96 PID 4168 wrote to memory of 4572 4168 csrss.exe 96 PID 4168 wrote to memory of 3972 4168 csrss.exe 102 PID 4168 wrote to memory of 3972 4168 csrss.exe 102 PID 4168 wrote to memory of 3972 4168 csrss.exe 102 PID 4168 wrote to memory of 3976 4168 csrss.exe 104 PID 4168 wrote to memory of 3976 4168 csrss.exe 104 PID 4168 wrote to memory of 3976 4168 csrss.exe 104 PID 4168 wrote to memory of 236 4168 csrss.exe 106 PID 4168 wrote to memory of 236 4168 csrss.exe 106 PID 2600 wrote to memory of 1920 2600 windefender.exe 112 PID 2600 wrote to memory of 1920 2600 windefender.exe 112 PID 2600 wrote to memory of 1920 2600 windefender.exe 112 PID 1920 wrote to memory of 3240 1920 cmd.exe 113 PID 1920 wrote to memory of 3240 1920 cmd.exe 113 PID 1920 wrote to memory of 3240 1920 cmd.exe 113 -
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
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C:\Users\Admin\AppData\Local\Temp\6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe"C:\Users\Admin\AppData\Local\Temp\6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2320 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3120
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C:\Users\Admin\AppData\Local\Temp\6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.exe"C:\Users\Admin\AppData\Local\Temp\6cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599.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:4844 -
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:708
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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:2224 -
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:908
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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:1380
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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:2356
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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:4168 -
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:4572
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1732
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1900
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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:3972
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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:3976
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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
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:112
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2600 -
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:1920 -
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:3240
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4596
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
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50f083192883418030e93ebdd0052685c
SHA128a11a6398dbe93ab6560a98653fce56ccd15990
SHA25632d6560701065d88774b69db8c56fd8534ce711e5e9e6698a3a5d69314460f17
SHA512eb648a7e3d21d29dd5f52dedfdb8d293cf8f614cf7d3f6bc63a7b103d450fd0cd1e47d27a3491790f8a38bcd4d6361571e0ee2913fe4f6775e5c94503ae1a6c3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c3598a30259622365722a4d2a1c95646
SHA10c75115fa406dbddda5f55723fad20e1eed665b2
SHA256dca54e507564e9f66a1a7114921fc62c293ce47b1a90c68961b39ce15a0433b9
SHA512e8ca42ee59393521cae78aff385515dc8534aab9b33aaaa8c8178e677c8cb96ad8309dd3a24b16ccd17212490d6fce1cacc91347a9b96aa7a81739745c6b62a6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58da99ab16e2b93763521a08fcb639d4d
SHA1f4d017d784ef34aafc771b2773f5b411ad562098
SHA256ee844713b23d84dac2cf26e7e37779e26cdfae33804562838ada8e646f9502ba
SHA512e514adb451fce2ec7c7692214185389369ef7c9b9f6d0409c93c3bbd186b8dd8a4304ccb20d8511757495af161b15465d1f9d0d82158e3623b15c6fd7d9a9603
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ce095128f6c473eee12cc3cda0e8b4d7
SHA10be42a0c667a60c434423c0958691442878fb32c
SHA25640eb762876489c5ee037104f58b5a9b184b4e2926a97860553b12bef367b3980
SHA5124a3dc2c95fabc55c15ad61f3b346865aeda491f952e749dcaad12620e29b281c2f6dcc74f91871d333e557a717ad4332fc6c81d64bebe8dc07e6f5ead9ee979c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52f837574e50c150a135fd3eb0a461f48
SHA1fe9ef7bf8f260e3b656fb66a536d4b28ac0971c1
SHA2569a692e6e053b8963290dea95ea17b6c51931a175fdb69502d87420528995d622
SHA512920a249c479d6b3dea2fa34bc040016bf9fee6aa870346be788d6e28da1780e8167f17812855cd7c6e0edbb91e0fc87629f5f08ec106928dfa87cc81047a7764
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Filesize
4.1MB
MD5f7524bfc0cb6ae1e7c4e24771c1b13a4
SHA100d67592cdfc99ce332239a4d009bf32345cf421
SHA2566cf6beb55b8f77860c68e39293fe07f97c1a64778ee718f9c7bfc04a910ad599
SHA512137e032e6e078d66408ec6ccaf52d2d3040e22fed264861dc1a703a0f17abaf20767b000ae15097512657deca8eef571558c699e20d1c3f72c738be3dc5f7a55
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec