Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
15-05-2024 15:14
Static task
static1
Behavioral task
behavioral1
Sample
3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe
Resource
win10v2004-20240508-en
General
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Target
3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe
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Size
4.1MB
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MD5
4dd8f8e0b2a6bdb5f1d02988b7c63b3f
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SHA1
aa1d5ed80aff5bfe054fee72f5fdd393ba1b9ba6
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SHA256
3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8
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SHA512
c744269aeb665f35be15b081120b9566e8acf5f4a1cdfd6a3285f0a83344cb97355be64c5fc36275597b1132381cfd19e251cb3cf5b3fc047a3340e5763ff96c
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SSDEEP
98304:KoJ/zNpfNOjfVFQ/nccBDV6mYf0gdQtHi3wo8k3cC1G76/iJ:KgrNPOj9FQvccBDkmyddxD3VFiJ
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/1588-2-0x0000000004C90000-0x000000000557B000-memory.dmp family_glupteba behavioral1/memory/1588-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1588-28-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/1588-57-0x0000000004C90000-0x000000000557B000-memory.dmp family_glupteba behavioral1/memory/1588-58-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/1588-59-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1420-70-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/1420-116-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2552-118-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2552-194-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2552-208-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2552-214-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2552-218-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2552-223-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2552-226-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2552-230-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2552-234-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2552-238-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2552-243-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4664 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2552 csrss.exe 4472 injector.exe 544 windefender.exe 636 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023410-203.dat upx behavioral1/memory/544-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/636-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/544-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/636-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/636-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\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 6 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
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 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.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 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2224 sc.exe -
pid Process 4496 powershell.exe 2304 powershell.exe 60 powershell.exe 3480 powershell.exe 3536 powershell.exe 5000 powershell.exe 4656 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 1692 schtasks.exe 4400 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.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" 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.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,-721 = "Central Pacific Daylight Time" 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe 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,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.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\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.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,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe 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,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4496 powershell.exe 4496 powershell.exe 1588 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 1588 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 2304 powershell.exe 2304 powershell.exe 1420 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 1420 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 1420 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 1420 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 1420 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 1420 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 1420 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 1420 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 1420 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 1420 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 60 powershell.exe 60 powershell.exe 3536 powershell.exe 3536 powershell.exe 5000 powershell.exe 5000 powershell.exe 4656 powershell.exe 4656 powershell.exe 4472 injector.exe 4472 injector.exe 4472 injector.exe 4472 injector.exe 4472 injector.exe 4472 injector.exe 2552 csrss.exe 2552 csrss.exe 4472 injector.exe 4472 injector.exe 4472 injector.exe 4472 injector.exe 4472 injector.exe 4472 injector.exe 2552 csrss.exe 2552 csrss.exe 4472 injector.exe 4472 injector.exe 4472 injector.exe 4472 injector.exe 2552 csrss.exe 2552 csrss.exe 4472 injector.exe 4472 injector.exe 4472 injector.exe 4472 injector.exe 4472 injector.exe 4472 injector.exe 4472 injector.exe 4472 injector.exe 4472 injector.exe 4472 injector.exe 4472 injector.exe 4472 injector.exe 4472 injector.exe 4472 injector.exe 4472 injector.exe 4472 injector.exe 4472 injector.exe 4472 injector.exe -
Suspicious use of AdjustPrivilegeToken 11 IoCs
description pid Process Token: SeDebugPrivilege 4496 powershell.exe Token: SeDebugPrivilege 1588 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe Token: SeImpersonatePrivilege 1588 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe Token: SeDebugPrivilege 2304 powershell.exe Token: SeDebugPrivilege 60 powershell.exe Token: SeDebugPrivilege 3536 powershell.exe Token: SeDebugPrivilege 5000 powershell.exe Token: SeDebugPrivilege 4656 powershell.exe Token: SeSystemEnvironmentPrivilege 2552 csrss.exe Token: SeSecurityPrivilege 2224 sc.exe Token: SeSecurityPrivilege 2224 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1588 wrote to memory of 4496 1588 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 89 PID 1588 wrote to memory of 4496 1588 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 89 PID 1588 wrote to memory of 4496 1588 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 89 PID 1420 wrote to memory of 2304 1420 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 94 PID 1420 wrote to memory of 2304 1420 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 94 PID 1420 wrote to memory of 2304 1420 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 94 PID 1420 wrote to memory of 2476 1420 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 96 PID 1420 wrote to memory of 2476 1420 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 96 PID 2476 wrote to memory of 4664 2476 cmd.exe 98 PID 2476 wrote to memory of 4664 2476 cmd.exe 98 PID 1420 wrote to memory of 60 1420 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 99 PID 1420 wrote to memory of 60 1420 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 99 PID 1420 wrote to memory of 60 1420 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 99 PID 1420 wrote to memory of 3480 1420 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 101 PID 1420 wrote to memory of 3480 1420 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 101 PID 1420 wrote to memory of 3480 1420 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 101 PID 1420 wrote to memory of 2552 1420 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 104 PID 1420 wrote to memory of 2552 1420 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 104 PID 1420 wrote to memory of 2552 1420 3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe 104 PID 2552 wrote to memory of 3536 2552 csrss.exe 106 PID 2552 wrote to memory of 3536 2552 csrss.exe 106 PID 2552 wrote to memory of 3536 2552 csrss.exe 106 PID 2552 wrote to memory of 5000 2552 csrss.exe 112 PID 2552 wrote to memory of 5000 2552 csrss.exe 112 PID 2552 wrote to memory of 5000 2552 csrss.exe 112 PID 2552 wrote to memory of 4656 2552 csrss.exe 114 PID 2552 wrote to memory of 4656 2552 csrss.exe 114 PID 2552 wrote to memory of 4656 2552 csrss.exe 114 PID 2552 wrote to memory of 4472 2552 csrss.exe 116 PID 2552 wrote to memory of 4472 2552 csrss.exe 116 PID 544 wrote to memory of 1476 544 windefender.exe 122 PID 544 wrote to memory of 1476 544 windefender.exe 122 PID 544 wrote to memory of 1476 544 windefender.exe 122 PID 1476 wrote to memory of 2224 1476 cmd.exe 123 PID 1476 wrote to memory of 2224 1476 cmd.exe 123 PID 1476 wrote to memory of 2224 1476 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\3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe"C:\Users\Admin\AppData\Local\Temp\3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1588 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4496
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C:\Users\Admin\AppData\Local\Temp\3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.exe"C:\Users\Admin\AppData\Local\Temp\3ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8.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:1420 -
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:2304
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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:2476 -
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:4664
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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:60
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
PID:3480
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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:2552 -
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:3536
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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:4400
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4056
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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:5000
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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:4656
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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:4472
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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:1692
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:544 -
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:1476 -
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:2224
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:636
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f751a95873dc400b89eebc82a1dd0600
SHA18487c62d627d57f8057026b178740df58ef8ee37
SHA256caab31fe5ed080aed0205b71bb513eb600af593353145f030c27f9efedc40eee
SHA5121d0d34cbbe890a7e4a87839ca243979a58176a2b9f0ec854e60f3204e6b94650dbadab6417b55c089197eead38738571b01e30562a263dd486a588349605c8ea
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fd0820129e162d3272e39581fce3c8bf
SHA18e233e82c63136e7f7d4d292f4201ccfccf5bca9
SHA2567aef33318edf9bd39a11b2ae722cd603604ed30942662d7eef3eb849e2959d5c
SHA51275fceac16d837b6eea6570f05800ea0a0c604eb188c20c6c4b2a66757f9f7cb22cf5563d0e55cbf5ac244f5fa74ff16e600008f1ea791689177df2d787394fe5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a2d025a2c2be07dbe4f011d7b649f9dc
SHA1e3285081a358773a41bffec44d47a9a0c75c3807
SHA256375a0524a3d1b57a5c0796d87b2abc7619d9079f3052f5b15423c08b44da05b5
SHA51290e3490f3d5474d4d9298ec87aea893e86609d8fbb74fab381b4de90135c479e7dac55b44d3e926c63830b41f3fa3b28ca31607879b49ffc26ec87b362516c6d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD549cf8c32f2699436ebb9e55b17154b22
SHA10c2f7fd5db72586e85669ef3cc47589e8e1ae183
SHA2569b362fd8e62b878dcb885535bec5271668fe49936cc4a920ef285916230cc5cc
SHA5123ee6a325d8b27651725b90f9fc5f3a53372a862b382a029f9034a4ae4829dd6c0ce1faeb77fd6b42931289d73092a326cac4581e11088f67dba3405d6007d5fd
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Filesize
4.1MB
MD54dd8f8e0b2a6bdb5f1d02988b7c63b3f
SHA1aa1d5ed80aff5bfe054fee72f5fdd393ba1b9ba6
SHA2563ad663cab74552139102de98c9de686bfa6a151095bbc79be01ec9348b6759e8
SHA512c744269aeb665f35be15b081120b9566e8acf5f4a1cdfd6a3285f0a83344cb97355be64c5fc36275597b1132381cfd19e251cb3cf5b3fc047a3340e5763ff96c
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec