Analysis
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max time kernel
149s -
max time network
145s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
16/05/2024, 23:41
Static task
static1
Behavioral task
behavioral1
Sample
553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe
Resource
win10v2004-20240508-en
General
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Target
553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe
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Size
4.1MB
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MD5
fa6737ca1a0116675d3ff690c956fa00
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SHA1
445e979c6bcfaeb98d3e3829b618719d621faf77
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SHA256
553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e
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SHA512
c31f8b3690992c5001824e5f571f00b7dc5fd6d0e4c9b9e8e388cfabb30bc297efb28c94d7315829b68242f568047195c780aec7b996c5506351fd1af41b3355
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SSDEEP
98304:yeUiHluf0rQLB7qDC2cDnv7XkMmFoNL2AuFwfBpDq4kblyNxxbhOzhGK:ygHncLBP5HkIsFwf3u4kByfxbhOl
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/3408-2-0x0000000002E20000-0x000000000370B000-memory.dmp family_glupteba behavioral2/memory/3408-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3408-119-0x0000000002E20000-0x000000000370B000-memory.dmp family_glupteba behavioral2/memory/3408-146-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1380-192-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1204-200-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1204-213-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1204-217-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1204-221-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1204-225-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1204-229-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1204-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1204-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1204-241-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1204-245-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1204-249-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1204-253-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1204-257-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1972 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1204 csrss.exe 4580 injector.exe 2132 windefender.exe 4448 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa15-205.dat upx behavioral2/memory/2132-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2132-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4448-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4448-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4448-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3062789476-783164490-2318012559-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe Set value (str) \REGISTRY\USER\S-1-5-21-3062789476-783164490-2318012559-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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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 opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.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 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe File created C:\Windows\rss\csrss.exe 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.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 3296 sc.exe -
pid Process 2192 powershell.exe 2392 powershell.exe 3476 powershell.exe 4404 powershell.exe 1364 powershell.exe 1812 powershell.exe 240 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 868 schtasks.exe 2976 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,-652 = "AUS Central Standard Time" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\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,-105 = "Central Brazilian Standard Time" windefender.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\@tzres.dll,-2412 = "Marquesas 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\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2492 = "Aus Central W. 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" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.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,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT 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,-2002 = "Cabo Verde Standard Time" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.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\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates 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\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.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,-361 = "GTB Daylight Time" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3476 powershell.exe 3476 powershell.exe 3408 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 3408 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 4404 powershell.exe 4404 powershell.exe 1380 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 1380 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 1380 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 1380 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 1380 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 1380 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 1380 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 1380 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 1380 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 1380 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 1364 powershell.exe 1364 powershell.exe 1812 powershell.exe 1812 powershell.exe 240 powershell.exe 240 powershell.exe 2192 powershell.exe 2192 powershell.exe 2392 powershell.exe 2392 powershell.exe 4580 injector.exe 4580 injector.exe 4580 injector.exe 4580 injector.exe 4580 injector.exe 4580 injector.exe 1204 csrss.exe 1204 csrss.exe 4580 injector.exe 4580 injector.exe 4580 injector.exe 4580 injector.exe 4580 injector.exe 4580 injector.exe 1204 csrss.exe 1204 csrss.exe 4580 injector.exe 4580 injector.exe 4580 injector.exe 4580 injector.exe 1204 csrss.exe 1204 csrss.exe 4580 injector.exe 4580 injector.exe 4580 injector.exe 4580 injector.exe 4580 injector.exe 4580 injector.exe 4580 injector.exe 4580 injector.exe 4580 injector.exe 4580 injector.exe 4580 injector.exe 4580 injector.exe 4580 injector.exe 4580 injector.exe 4580 injector.exe 4580 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3476 powershell.exe Token: SeDebugPrivilege 3408 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe Token: SeImpersonatePrivilege 3408 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe Token: SeDebugPrivilege 4404 powershell.exe Token: SeDebugPrivilege 1364 powershell.exe Token: SeDebugPrivilege 1812 powershell.exe Token: SeDebugPrivilege 240 powershell.exe Token: SeDebugPrivilege 2192 powershell.exe Token: SeDebugPrivilege 2392 powershell.exe Token: SeSystemEnvironmentPrivilege 1204 csrss.exe Token: SeSecurityPrivilege 3296 sc.exe Token: SeSecurityPrivilege 3296 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3408 wrote to memory of 3476 3408 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 78 PID 3408 wrote to memory of 3476 3408 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 78 PID 3408 wrote to memory of 3476 3408 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 78 PID 1380 wrote to memory of 4404 1380 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 83 PID 1380 wrote to memory of 4404 1380 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 83 PID 1380 wrote to memory of 4404 1380 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 83 PID 1380 wrote to memory of 4448 1380 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 111 PID 1380 wrote to memory of 4448 1380 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 111 PID 4448 wrote to memory of 1972 4448 cmd.exe 87 PID 4448 wrote to memory of 1972 4448 cmd.exe 87 PID 1380 wrote to memory of 1364 1380 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 88 PID 1380 wrote to memory of 1364 1380 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 88 PID 1380 wrote to memory of 1364 1380 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 88 PID 1380 wrote to memory of 1812 1380 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 90 PID 1380 wrote to memory of 1812 1380 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 90 PID 1380 wrote to memory of 1812 1380 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 90 PID 1380 wrote to memory of 1204 1380 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 92 PID 1380 wrote to memory of 1204 1380 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 92 PID 1380 wrote to memory of 1204 1380 553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe 92 PID 1204 wrote to memory of 240 1204 csrss.exe 93 PID 1204 wrote to memory of 240 1204 csrss.exe 93 PID 1204 wrote to memory of 240 1204 csrss.exe 93 PID 1204 wrote to memory of 2192 1204 csrss.exe 99 PID 1204 wrote to memory of 2192 1204 csrss.exe 99 PID 1204 wrote to memory of 2192 1204 csrss.exe 99 PID 1204 wrote to memory of 2392 1204 csrss.exe 101 PID 1204 wrote to memory of 2392 1204 csrss.exe 101 PID 1204 wrote to memory of 2392 1204 csrss.exe 101 PID 1204 wrote to memory of 4580 1204 csrss.exe 103 PID 1204 wrote to memory of 4580 1204 csrss.exe 103 PID 2132 wrote to memory of 2188 2132 windefender.exe 109 PID 2132 wrote to memory of 2188 2132 windefender.exe 109 PID 2132 wrote to memory of 2188 2132 windefender.exe 109 PID 2188 wrote to memory of 3296 2188 cmd.exe 110 PID 2188 wrote to memory of 3296 2188 cmd.exe 110 PID 2188 wrote to memory of 3296 2188 cmd.exe 110 -
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\553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe"C:\Users\Admin\AppData\Local\Temp\553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3408 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3476
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C:\Users\Admin\AppData\Local\Temp\553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.exe"C:\Users\Admin\AppData\Local\Temp\553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e.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:1380 -
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:4404
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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:4448 -
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:1972
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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:1364
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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:1812
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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:1204 -
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:240
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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:868
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4488
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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:2192
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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:2392
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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:4580
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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:2976
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2132 -
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:2188 -
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:3296
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4448
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
MD56356cf6d793caf4d9f753704d184ca16
SHA1414127a8b78cb38310996b5e22ca600d62083611
SHA2569a9a491b2ec7cb9899698ee8c13da9d06190cfb890d2717554dc1afbc582afef
SHA512ac9bb2a619aa87868c6c1c8d22e2c4ef2557aac60ab94e4122690b948f7fe6af543c091a56058dea89cff3c8f092e1df33921c4e643658c0170c27cfd4d1e8c0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bc563da747c2c61760798f85e2553b31
SHA1f91f89af9afc799b35842212de74560346a3bd81
SHA2566e06f221e726485efcb1f57edc1758e09bd69abe82bc903647c1e79417f1b73d
SHA5126017c911b30ec32c4b7f3a7d218957f42325373eadd8fe0e45b729f97f27806852726718f62e2ab588abd9e9af98ed62db6fa2d8f0334187c24da7a3cdf83bc5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5772216bc587104698be2156760a25e4b
SHA1a70023db03fe4ceeb87e6efe621eef45ff38dbf8
SHA256ce6d8390e3136688a6f464233ff25552625e7027075948538504aec37ed9288b
SHA5120d2f8bcf1903fa8fbcaab95a70e7db32482b0a4efa0ffd75d3a49fdf0f9788b6099cd4c377dd55714402c15fbe91360994c1ad3b13a8774d4c3e580f4083be1a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e871488787e8e1a6f42c1047e7060330
SHA1d9588e2841c5baf7ab95749731af0cb46aca64e3
SHA25630cf68992263cfdaafa8c0ad34f2c030c04753d26dd7a6be4b03a9700ce89168
SHA512738490ce125eca5f85be3446ac178157be3d1bab46fa0a6b9f6a84a45c6aaa7980e0eaf66a3cce385d9bc426f73dacb892cde3c6df705be5a540e17310c3a943
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59b53bba792ac46c487efcc2b47933db6
SHA113c4fbb7ec99f486642fa87bfe9e17c1ba7537ee
SHA256682ad2889467809d2b0f7a0e9bb1ca7d5500934ed7bc2b544a384e0b93150521
SHA512e1667fbea32570dbbfbe9c723989e4c226dab6baafd1a1fa138bf4dae7ef6b74c82cd1619b05253f7c9e3b6cdc459ee001986071d3812049d7eeca280cf69278
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Filesize
4.1MB
MD5fa6737ca1a0116675d3ff690c956fa00
SHA1445e979c6bcfaeb98d3e3829b618719d621faf77
SHA256553d692b4c298f8291a23a86d92042a08a1e7136c192d285842d4aabad2ee08e
SHA512c31f8b3690992c5001824e5f571f00b7dc5fd6d0e4c9b9e8e388cfabb30bc297efb28c94d7315829b68242f568047195c780aec7b996c5506351fd1af41b3355
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec