Analysis
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max time kernel
150s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
09/05/2024, 19:23
Static task
static1
Behavioral task
behavioral1
Sample
82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe
Resource
win10v2004-20240426-en
General
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Target
82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe
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Size
4.1MB
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MD5
a94bdea39ad931b2d20f3fb7b81fbb9d
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SHA1
3ae3bd6c1420a904f8101e903d5d65d410b716a0
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SHA256
82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645
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SHA512
81390d7163bf56511042e6db3c60a5b6173fc78266ed4623739981d52b3999c2f827970984c6f6ca94062053f328d4d09df8dac8c7226c629839e254693cfb2b
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SSDEEP
98304:/pLl5dh/cY//0ytMliSDJIrO0tWgVy355J08nZmlsCb:hLlNLHtGNcOLFp5JFwlsCb
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral2/memory/4088-2-0x0000000005050000-0x000000000593B000-memory.dmp family_glupteba behavioral2/memory/4088-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4088-50-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/4088-53-0x0000000005050000-0x000000000593B000-memory.dmp family_glupteba behavioral2/memory/3692-62-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/4088-89-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3692-125-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/5100-202-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/5100-213-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/5100-215-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/5100-218-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/5100-221-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/5100-224-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/5100-228-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/5100-230-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/5100-233-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/5100-236-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4056 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 5100 csrss.exe 1104 injector.exe 2512 windefender.exe 1860 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa15-205.dat upx behavioral2/memory/2512-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1860-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2512-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1860-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1860-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe Set value (str) \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.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 82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3316 sc.exe -
pid Process 4496 powershell.exe 3236 powershell.exe 1600 powershell.exe 1232 powershell.exe 4824 powershell.exe 244 powershell.exe 2084 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 4804 schtasks.exe 2344 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,-672 = "AUS Eastern Standard Time" 82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India Daylight 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\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates 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,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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,-2391 = "Aleutian Daylight 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,-961 = "Paraguay 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\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3236 powershell.exe 3236 powershell.exe 4088 82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe 4088 82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe 1600 powershell.exe 1600 powershell.exe 3692 82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe 3692 82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe 3692 82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe 3692 82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe 3692 82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe 3692 82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe 3692 82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe 3692 82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe 3692 82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe 3692 82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe 1232 powershell.exe 1232 powershell.exe 4824 powershell.exe 4824 powershell.exe 244 powershell.exe 244 powershell.exe 2084 powershell.exe 2084 powershell.exe 4496 powershell.exe 4496 powershell.exe 1104 injector.exe 1104 injector.exe 1104 injector.exe 1104 injector.exe 1104 injector.exe 1104 injector.exe 5100 csrss.exe 5100 csrss.exe 1104 injector.exe 1104 injector.exe 1104 injector.exe 1104 injector.exe 1104 injector.exe 1104 injector.exe 5100 csrss.exe 5100 csrss.exe 1104 injector.exe 1104 injector.exe 1104 injector.exe 1104 injector.exe 5100 csrss.exe 5100 csrss.exe 1104 injector.exe 1104 injector.exe 1104 injector.exe 1104 injector.exe 1104 injector.exe 1104 injector.exe 1104 injector.exe 1104 injector.exe 1104 injector.exe 1104 injector.exe 1104 injector.exe 1104 injector.exe 1104 injector.exe 1104 injector.exe 1104 injector.exe 1104 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3236 powershell.exe Token: SeDebugPrivilege 4088 82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe Token: SeImpersonatePrivilege 4088 82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe Token: SeDebugPrivilege 1600 powershell.exe Token: SeDebugPrivilege 1232 powershell.exe Token: SeDebugPrivilege 4824 powershell.exe Token: SeDebugPrivilege 244 powershell.exe Token: SeDebugPrivilege 2084 powershell.exe Token: SeDebugPrivilege 4496 powershell.exe Token: SeSystemEnvironmentPrivilege 5100 csrss.exe Token: SeSecurityPrivilege 3316 sc.exe Token: SeSecurityPrivilege 3316 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4088 wrote to memory of 3236 4088 82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe 79 PID 4088 wrote to memory of 3236 4088 82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe 79 PID 4088 wrote to memory of 3236 4088 82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe 79 PID 3692 wrote to memory of 1600 3692 82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe 84 PID 3692 wrote to memory of 1600 3692 82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe 84 PID 3692 wrote to memory of 1600 3692 82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe 84 PID 3692 wrote to memory of 448 3692 82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe 86 PID 3692 wrote to memory of 448 3692 82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe 86 PID 448 wrote to memory of 4056 448 cmd.exe 88 PID 448 wrote to memory of 4056 448 cmd.exe 88 PID 3692 wrote to memory of 1232 3692 82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe 89 PID 3692 wrote to memory of 1232 3692 82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe 89 PID 3692 wrote to memory of 1232 3692 82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe 89 PID 3692 wrote to memory of 4824 3692 82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe 91 PID 3692 wrote to memory of 4824 3692 82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe 91 PID 3692 wrote to memory of 4824 3692 82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe 91 PID 3692 wrote to memory of 5100 3692 82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe 93 PID 3692 wrote to memory of 5100 3692 82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe 93 PID 3692 wrote to memory of 5100 3692 82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe 93 PID 5100 wrote to memory of 244 5100 csrss.exe 94 PID 5100 wrote to memory of 244 5100 csrss.exe 94 PID 5100 wrote to memory of 244 5100 csrss.exe 94 PID 5100 wrote to memory of 2084 5100 csrss.exe 100 PID 5100 wrote to memory of 2084 5100 csrss.exe 100 PID 5100 wrote to memory of 2084 5100 csrss.exe 100 PID 5100 wrote to memory of 4496 5100 csrss.exe 102 PID 5100 wrote to memory of 4496 5100 csrss.exe 102 PID 5100 wrote to memory of 4496 5100 csrss.exe 102 PID 5100 wrote to memory of 1104 5100 csrss.exe 104 PID 5100 wrote to memory of 1104 5100 csrss.exe 104 PID 2512 wrote to memory of 1124 2512 windefender.exe 110 PID 2512 wrote to memory of 1124 2512 windefender.exe 110 PID 2512 wrote to memory of 1124 2512 windefender.exe 110 PID 1124 wrote to memory of 3316 1124 cmd.exe 111 PID 1124 wrote to memory of 3316 1124 cmd.exe 111 PID 1124 wrote to memory of 3316 1124 cmd.exe 111 -
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\82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe"C:\Users\Admin\AppData\Local\Temp\82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4088 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3236
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C:\Users\Admin\AppData\Local\Temp\82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.exe"C:\Users\Admin\AppData\Local\Temp\82ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645.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:3692 -
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:1600
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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:448 -
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:4056
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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:1232
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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:4824
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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:5100 -
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:244
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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:4804
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:5052
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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:2084
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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:4496
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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:1104
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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:2344
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2512 -
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:1124 -
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:3316
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1860
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d4b1725c88d6e314b931aaf0bc0fee88
SHA1ec33b188856a6dcdec4aa0bde36e3056428251c5
SHA256e998a8c623d41cd073c38ab3b358812d4d33b0a0c1df9d1333889c8b83878ab3
SHA51290f865e5219f6795cbddaf24292283f22bd864cb4fa25d56cd37b8fc42b4052f335318ad6103b218d349a394912b1c23631c5ef723b6613f58ce4aeb4a13b5e7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55213e72a7fbcf5206903ae02918cbd46
SHA1666566350785dc8ac3a54a9889fa4aa73d4e63ef
SHA256ca67d163fbe556202d4264f2c2f25bea086d2bfa582416575eaf8380cbc2cdc3
SHA51212084da3837a8a2cec8086f3d308789a6b4f4ee13b70ab9e9b5cbe13e46ecfa6271f474f60674897b114d910ed84346a0074737eed3b778f2120bdd162ce3eea
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a44a4656c45a59c4c061fca9a8f05d79
SHA13080ba9d5e7b695df5fea2b3e19ff99506c25c0a
SHA25604d4bd3199469e819d5315c02b1e13e0ee4c687a0c3d3ab857e664b5b0bd7731
SHA51223b17f9acaff0b0a02ed8d9dec4b71467b62aa076c0b3fc0cbb42ed05a566e5217de0d220a2cadb7f7e8019b82b3c75c77cd3616d2f74dd7f820ac32ea9baffa
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f3c9f88f3d242ce177a1adf7312d01d0
SHA18aedf9f3465a799e54f086db2061afd5bb8de965
SHA256ef9269c42ad81e7cdddf9157aa6af3e3ee56c3181eb8edf0564903cc12f8fdf6
SHA512c678ca47ad1c13f1adfd59a9f6a2ac90ce264bc30bd06daee70a7c447952f2a0c2db7f7b03111c88e647d970203484d34474045f6348051d6339b432ecea5402
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50f8faa145c30c3e6c58ab54f7714d418
SHA1d3325fe9ee1ba23d2251caadc58141152bdf38c0
SHA256c69debf2d8acb689397caa2ccc941ff88551e6feabd531f07ca76d77114c2567
SHA5124e946eb7d1465c6afba5ff3e4583f2182579fb10abb66c23891753c69cab3096b5ad4723706775662ec2b468364a1dc3a979c2cfb48603a9122d784273e5f675
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Filesize
4.1MB
MD5a94bdea39ad931b2d20f3fb7b81fbb9d
SHA13ae3bd6c1420a904f8101e903d5d65d410b716a0
SHA25682ec490209e440b75b8729df3f23ec13e5bf639fed95ef52d125f4def5c1d645
SHA51281390d7163bf56511042e6db3c60a5b6173fc78266ed4623739981d52b3999c2f827970984c6f6ca94062053f328d4d09df8dac8c7226c629839e254693cfb2b
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec