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Analysis
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max time kernel
144s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
19/05/2024, 01:55
Static task
static1
Behavioral task
behavioral1
Sample
933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe
Resource
win10v2004-20240426-en
General
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Target
933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe
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Size
4.1MB
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MD5
057b3745ef1a3b5fb23528221b53fe76
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SHA1
7e3d63e83bb6dd1d0723cb4da937f86d92b62d3e
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SHA256
933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29
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SHA512
7c06dcd2c2688ffcdab61ef3697316d4b29527e2263c7f37e5a2c20d313b8311d6ef031215d90beae128c0d879166749fa4495b644c92b15264f76db21a9c89c
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SSDEEP
98304:UrbgSYZm0VZ47d2LjXdY+WeqK35WW/TEhU3Gu22D:UrcnZFqd2LRPP3hYhQZD
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/1260-2-0x00000000045F0000-0x0000000004EDB000-memory.dmp family_glupteba behavioral1/memory/1260-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1260-141-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/1260-143-0x00000000045F0000-0x0000000004EDB000-memory.dmp family_glupteba behavioral1/memory/1260-212-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4516-211-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/4348-214-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/4348-226-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/4348-230-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/4348-234-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/4348-238-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/4348-242-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/4348-246-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/4348-250-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/4348-254-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/4348-258-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/4348-262-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral1/memory/4348-266-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3636 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4348 csrss.exe 1020 injector.exe 3120 windefender.exe 392 windefender.exe -
resource yara_rule behavioral1/files/0x00070000000233ec-217.dat upx behavioral1/memory/3120-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3120-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/392-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/392-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/392-236-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\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 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 -
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 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.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 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe File created C:\Windows\rss\csrss.exe 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.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 5024 sc.exe -
pid Process 3060 powershell.exe 4196 powershell.exe 5076 powershell.exe 1532 powershell.exe 4004 powershell.exe 4404 powershell.exe 5004 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 712 schtasks.exe 1696 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,-451 = "Caucasus Daylight Time" 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.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,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\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,-141 = "Canada Central Daylight Time" windefender.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\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.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\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 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,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 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\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.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\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 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,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5004 powershell.exe 5004 powershell.exe 1260 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 1260 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 3060 powershell.exe 3060 powershell.exe 4516 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 4516 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 4516 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 4516 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 4516 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 4516 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 4516 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 4516 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 4516 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 4516 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 4196 powershell.exe 4196 powershell.exe 5076 powershell.exe 5076 powershell.exe 1532 powershell.exe 1532 powershell.exe 4004 powershell.exe 4004 powershell.exe 4404 powershell.exe 4404 powershell.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 4348 csrss.exe 4348 csrss.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 4348 csrss.exe 4348 csrss.exe 1020 injector.exe 1020 injector.exe 4348 csrss.exe 4348 csrss.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5004 powershell.exe Token: SeDebugPrivilege 1260 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe Token: SeImpersonatePrivilege 1260 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe Token: SeDebugPrivilege 3060 powershell.exe Token: SeDebugPrivilege 4196 powershell.exe Token: SeDebugPrivilege 5076 powershell.exe Token: SeDebugPrivilege 1532 powershell.exe Token: SeDebugPrivilege 4004 powershell.exe Token: SeDebugPrivilege 4404 powershell.exe Token: SeSystemEnvironmentPrivilege 4348 csrss.exe Token: SeSecurityPrivilege 5024 sc.exe Token: SeSecurityPrivilege 5024 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1260 wrote to memory of 5004 1260 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 85 PID 1260 wrote to memory of 5004 1260 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 85 PID 1260 wrote to memory of 5004 1260 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 85 PID 4516 wrote to memory of 3060 4516 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 94 PID 4516 wrote to memory of 3060 4516 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 94 PID 4516 wrote to memory of 3060 4516 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 94 PID 4516 wrote to memory of 4628 4516 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 98 PID 4516 wrote to memory of 4628 4516 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 98 PID 4628 wrote to memory of 3636 4628 cmd.exe 100 PID 4628 wrote to memory of 3636 4628 cmd.exe 100 PID 4516 wrote to memory of 4196 4516 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 101 PID 4516 wrote to memory of 4196 4516 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 101 PID 4516 wrote to memory of 4196 4516 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 101 PID 4516 wrote to memory of 5076 4516 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 103 PID 4516 wrote to memory of 5076 4516 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 103 PID 4516 wrote to memory of 5076 4516 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 103 PID 4516 wrote to memory of 4348 4516 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 105 PID 4516 wrote to memory of 4348 4516 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 105 PID 4516 wrote to memory of 4348 4516 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 105 PID 4348 wrote to memory of 1532 4348 csrss.exe 106 PID 4348 wrote to memory of 1532 4348 csrss.exe 106 PID 4348 wrote to memory of 1532 4348 csrss.exe 106 PID 4348 wrote to memory of 4004 4348 csrss.exe 111 PID 4348 wrote to memory of 4004 4348 csrss.exe 111 PID 4348 wrote to memory of 4004 4348 csrss.exe 111 PID 4348 wrote to memory of 4404 4348 csrss.exe 114 PID 4348 wrote to memory of 4404 4348 csrss.exe 114 PID 4348 wrote to memory of 4404 4348 csrss.exe 114 PID 4348 wrote to memory of 1020 4348 csrss.exe 116 PID 4348 wrote to memory of 1020 4348 csrss.exe 116 PID 3120 wrote to memory of 4568 3120 windefender.exe 122 PID 3120 wrote to memory of 4568 3120 windefender.exe 122 PID 3120 wrote to memory of 4568 3120 windefender.exe 122 PID 4568 wrote to memory of 5024 4568 cmd.exe 123 PID 4568 wrote to memory of 5024 4568 cmd.exe 123 PID 4568 wrote to memory of 5024 4568 cmd.exe 123 -
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\933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe"C:\Users\Admin\AppData\Local\Temp\933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1260 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5004
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C:\Users\Admin\AppData\Local\Temp\933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe"C:\Users\Admin\AppData\Local\Temp\933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.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:4516 -
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:3060
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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:4628 -
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:3636
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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:4196
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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:5076
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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:4348 -
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:1532
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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:712
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:692
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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:4004
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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:4404
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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:1020
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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:1696
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3120 -
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:4568 -
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:5024
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:392
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD594cff57fbd3bb26c17ba73896270cc2d
SHA153c686a56a4f53530fe23a02982a6c5e4700bc10
SHA2569811424bee28f06ea61134a5146da6649792e5e42a73069f08f9e8b48807e988
SHA512cfa63f836db47dc83763a823ea5b214c1243644444bf7f00b099142d89230b2fa4e888bcc66b3c2b386a64dc198ba6a377d6d9cc51d71a47ec06bb3989376fb1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d0379fc821c94b4d157a7bac38105a52
SHA1ceb4be7f5793385325c68b8484f3bad16670c083
SHA256fe38327a4cb4f233ce08d7ad039223ce622f017e1c57cf91692eedfba6f4ff0d
SHA51220a157a3a70d38587c01a1d541252a1220f067705c73896825a2b63c8d392cc7af0de52074e2fdf9c790b25a1f5965e3b32f11b7fdda653b12da6b728edb09e8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD565a71f05fdad131ac47b30b6fbca81c2
SHA1237bd30766408b16c5a4a04198e0ed13d782cff1
SHA2566b8c848469a3d3447d77b93480a014962da629e42487aa5179dee95c8e5ba3c2
SHA512928eff3c8b5262d6fdcc291e9dce73ac5ca0994cc113e18d6f69057e1988da1768f268f7d27118b0088155eddc865cd48835ff7aaf4d02ceade29f1e9098baa6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58cd59e14460d66d050fd8914797f93d0
SHA1472998d6d67ab035c37360f9b86c223c92fbce8a
SHA256175ad4f5afc28fdcece6d346730c5a9f067522d1939b5a9b433f88ec10f78d44
SHA512900de6ca9ec845817c6ccb7cff712497d0e8de3fb02de469e5ab1a0b7da0413e2804910cc37ba2d94e967fa913946ef7289625f6828d00540087e92afc4dea04
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50bbf75f10f4087f62bfff6699418e72b
SHA1d805ee3fb1fc22b014fa988d3dad50896c5852dd
SHA2566affb9a01aff996c27d71e37b0bf89d7f2632b1b6d486d1a7f551ad6e78bfb07
SHA512ad846ba2529ea7ff36204a80d7db82d00e8a997b870280a8bedf9dc04848c6108256eaf590b4c339c8bb8e8c1112f9449e6c0694ce0c7dbbe36f6662c514880b
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Filesize
4.1MB
MD5057b3745ef1a3b5fb23528221b53fe76
SHA17e3d63e83bb6dd1d0723cb4da937f86d92b62d3e
SHA256933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29
SHA5127c06dcd2c2688ffcdab61ef3697316d4b29527e2263c7f37e5a2c20d313b8311d6ef031215d90beae128c0d879166749fa4495b644c92b15264f76db21a9c89c
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec