Analysis
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max time kernel
150s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
27/04/2024, 12:17
Static task
static1
Behavioral task
behavioral1
Sample
112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe
Resource
win10v2004-20240419-en
General
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Target
112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe
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Size
4.1MB
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MD5
6987835c461a63dae16bc3f17bae8289
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SHA1
efa9d995a09403a3e9d4573a40d79bce63da99a4
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SHA256
112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa
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SHA512
5f1ea74e0d888e63f224bdf146390c65d2bacc9518b9abd62e7d4760d767b3ce9aa6a2d7355520b1f5ce84461b88b4f81776429faae1f7880168018d9c9295c2
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SSDEEP
98304:LxCWG3Td/212A9tSPb8vctuIp2ZHNoZVPX5Ut6lNIHcaW+cG6qPFkDdt:LxCr3TdeRtEuctuInVWCNIHlW+Uq6
Malware Config
Signatures
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Glupteba payload 16 IoCs
resource yara_rule behavioral2/memory/416-2-0x00000000050D0000-0x00000000059BB000-memory.dmp family_glupteba behavioral2/memory/416-3-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/416-49-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/416-51-0x00000000050D0000-0x00000000059BB000-memory.dmp family_glupteba behavioral2/memory/2844-87-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2844-123-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2312-147-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2312-149-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2312-202-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2312-204-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2312-206-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2312-208-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2312-210-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2312-212-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2312-214-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/2312-216-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3856 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 2312 csrss.exe 1896 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-293923083-2364846840-4256557006-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-293923083-2364846840-4256557006-1000\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 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe File created C:\Windows\rss\csrss.exe 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.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 2228 schtasks.exe 4940 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,-2342 = "Haiti Standard Time" 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates 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\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.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\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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,-272 = "Greenwich Standard Time" 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4900 powershell.exe 4900 powershell.exe 416 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe 416 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe 4184 powershell.exe 4184 powershell.exe 2844 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe 2844 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe 2844 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe 2844 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe 2844 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe 2844 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe 2844 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe 2844 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe 2844 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe 2844 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe 3572 powershell.exe 3572 powershell.exe 1088 powershell.exe 1088 powershell.exe 1788 powershell.exe 1788 powershell.exe 1740 powershell.exe 1740 powershell.exe 1380 powershell.exe 1380 powershell.exe 1896 injector.exe 1896 injector.exe 1896 injector.exe 1896 injector.exe 1896 injector.exe 1896 injector.exe 2312 csrss.exe 2312 csrss.exe 1896 injector.exe 1896 injector.exe 1896 injector.exe 1896 injector.exe 1896 injector.exe 1896 injector.exe 2312 csrss.exe 2312 csrss.exe 1896 injector.exe 1896 injector.exe 1896 injector.exe 1896 injector.exe 1896 injector.exe 1896 injector.exe 1896 injector.exe 1896 injector.exe 1896 injector.exe 1896 injector.exe 1896 injector.exe 1896 injector.exe 1896 injector.exe 1896 injector.exe 1896 injector.exe 1896 injector.exe 1896 injector.exe 1896 injector.exe 1896 injector.exe 1896 injector.exe 1896 injector.exe 1896 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 4900 powershell.exe Token: SeDebugPrivilege 416 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe Token: SeImpersonatePrivilege 416 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe Token: SeDebugPrivilege 4184 powershell.exe Token: SeDebugPrivilege 3572 powershell.exe Token: SeDebugPrivilege 1088 powershell.exe Token: SeDebugPrivilege 1788 powershell.exe Token: SeDebugPrivilege 1740 powershell.exe Token: SeDebugPrivilege 1380 powershell.exe Token: SeSystemEnvironmentPrivilege 2312 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 416 wrote to memory of 4900 416 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe 83 PID 416 wrote to memory of 4900 416 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe 83 PID 416 wrote to memory of 4900 416 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe 83 PID 2844 wrote to memory of 4184 2844 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe 88 PID 2844 wrote to memory of 4184 2844 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe 88 PID 2844 wrote to memory of 4184 2844 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe 88 PID 2844 wrote to memory of 4540 2844 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe 90 PID 2844 wrote to memory of 4540 2844 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe 90 PID 4540 wrote to memory of 3856 4540 cmd.exe 92 PID 4540 wrote to memory of 3856 4540 cmd.exe 92 PID 2844 wrote to memory of 3572 2844 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe 93 PID 2844 wrote to memory of 3572 2844 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe 93 PID 2844 wrote to memory of 3572 2844 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe 93 PID 2844 wrote to memory of 1088 2844 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe 95 PID 2844 wrote to memory of 1088 2844 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe 95 PID 2844 wrote to memory of 1088 2844 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe 95 PID 2844 wrote to memory of 2312 2844 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe 97 PID 2844 wrote to memory of 2312 2844 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe 97 PID 2844 wrote to memory of 2312 2844 112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe 97 PID 2312 wrote to memory of 1788 2312 csrss.exe 98 PID 2312 wrote to memory of 1788 2312 csrss.exe 98 PID 2312 wrote to memory of 1788 2312 csrss.exe 98 PID 2312 wrote to memory of 1740 2312 csrss.exe 103 PID 2312 wrote to memory of 1740 2312 csrss.exe 103 PID 2312 wrote to memory of 1740 2312 csrss.exe 103 PID 2312 wrote to memory of 1380 2312 csrss.exe 106 PID 2312 wrote to memory of 1380 2312 csrss.exe 106 PID 2312 wrote to memory of 1380 2312 csrss.exe 106 PID 2312 wrote to memory of 1896 2312 csrss.exe 108 PID 2312 wrote to memory of 1896 2312 csrss.exe 108 -
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\112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe"C:\Users\Admin\AppData\Local\Temp\112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:416 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4900
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C:\Users\Admin\AppData\Local\Temp\112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.exe"C:\Users\Admin\AppData\Local\Temp\112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa.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:2844 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4184
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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:4540 -
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:3856
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3572
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1088
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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.
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2312 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1788
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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:2228
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2360
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1740
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1380
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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:1896
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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:4940
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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
MD5b8c22711d5114f707680ebddb11aae3e
SHA1f473ffeff666610935c2c1fcec941651503373dc
SHA25659455fe5ab76ee91eae281e90498cabcf4f6a8bb385a7e9e51f79f4ab3dfbcf0
SHA5121b72be898ec0bceecc145027a39442704492e71b98c5fc4011b6dfc4c2fc65800a2cab4b38c815e5d6f26e2ef0eebda86e084bffc3ba7fd7fe7dbcd83ad6b889
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59fd3b299053d198bb143601044e0bb3b
SHA1fb5561ef6e0bd93cdce357d80719d4f43d3b1dd2
SHA2562a0ce19b4160559a8d39cdbb3015a14d46a20e60546d1d72a000610c1e2ea882
SHA5128bd8f7cd7b22f6735f4fc2b74a560ab490a641a0cb5bf0a243ac90d9db6e661670c6c53551353c7b41b3158321f3f1c90480b8bae1718aca61bdce6df71c951c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD504d678f8c3d96c874e7b438a600952c7
SHA13a78620bf182ff16dccf4019a66ec190d0000b83
SHA25603b5317d63696b9b03881ca9aae6e511406b67f88be0af4e35a3eba1259aee43
SHA512e4fb243e549d3ee0e5a8b8c144416fe4009a82c48b45f55e0aa8b653950b2d1fbde4fd3fae43d2910f63c15a659423f8c583e2fad39c8e12ddef1b7171957a41
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5298d1fa8b5b9e7311e15589fd02c2973
SHA10e41e65a7640987c533d6b06f28ce7600d775b1e
SHA256366bf85d35a3fa363be942628b42efb3eeda6996d6e09078e2d35182cc3b9b84
SHA512b8382248cf9c625b0729a5c314dcf4328a8d81017297580595f36a19c360b721a8780432f7eeeefdcc85cbaa2abc9a61f98179a996c9e48017676c035849de8a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5109aca4b252072e886356ee19952dddd
SHA171ebd80fcf9fad13988e37c93f55cfd11dd05dd0
SHA256cec86b91e4a19e5a210f41a5f01090824a39a07c2a0a27aee0906c43fea279f6
SHA51251ccadfbd8da5f3f474037e793375573ec91e1ff04f58b24d022fa2dfe7a2a99c469fddc08ba4108cff6c6719e84a865695aef5f5fcf8b611c6d97547b479d7d
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Filesize
4.1MB
MD56987835c461a63dae16bc3f17bae8289
SHA1efa9d995a09403a3e9d4573a40d79bce63da99a4
SHA256112516b1612a7850cf8136b0ad28613bf5e46acb4e84c3467397d5f1635babaa
SHA5125f1ea74e0d888e63f224bdf146390c65d2bacc9518b9abd62e7d4760d767b3ce9aa6a2d7355520b1f5ce84461b88b4f81776429faae1f7880168018d9c9295c2