Analysis
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max time kernel
149s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19/04/2024, 16:04
Static task
static1
Behavioral task
behavioral1
Sample
73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe
Resource
win10v2004-20240412-en
General
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Target
73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe
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Size
4.2MB
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MD5
e95ec308bcb51cbda0e87cf175527699
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SHA1
e7e2cb7995de5a9d8ffb4e6dbe608ffad20fbe7a
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SHA256
73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203
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SHA512
72fa0284dcd8578912fffdecacb2074b67c6ad77c6f90292099fbd1e54795aba14901a9ad099928b190b1ba060258662357458b28655a522b9d812a74ce4d41d
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SSDEEP
98304:noZCtMNcIJm/Wi5iI7vKblq/qDx6472PxO1xv/KiJe5:n3OuIEug7vwUGt7S+nKr
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/1588-2-0x0000000003F50000-0x000000000483B000-memory.dmp family_glupteba behavioral1/memory/1588-3-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/3644-56-0x0000000003E00000-0x00000000046EB000-memory.dmp family_glupteba behavioral1/memory/3644-57-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1588-73-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/3644-137-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/3644-200-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/812-255-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/812-266-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/812-270-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/812-274-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/812-278-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/812-282-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/812-286-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/812-290-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/812-294-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/812-298-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/812-302-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/812-306-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/812-310-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3976 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 812 csrss.exe 4664 injector.exe 1036 windefender.exe 464 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023431-259.dat upx behavioral1/memory/1036-264-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/464-269-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/464-277-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/464-288-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe Set value (str) \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\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 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 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 -
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 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.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 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1308 sc.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 3528 schtasks.exe 2908 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\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\26\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 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\26\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 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\26\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5048 powershell.exe 5048 powershell.exe 1588 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 1588 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 1744 powershell.exe 1744 powershell.exe 3644 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 3644 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 3644 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 3644 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 3644 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 3644 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 3644 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 3644 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 3644 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 3644 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 1436 powershell.exe 1436 powershell.exe 468 powershell.exe 468 powershell.exe 1912 powershell.exe 1912 powershell.exe 3972 powershell.exe 3972 powershell.exe 264 powershell.exe 264 powershell.exe 4664 injector.exe 4664 injector.exe 4664 injector.exe 4664 injector.exe 4664 injector.exe 4664 injector.exe 812 csrss.exe 812 csrss.exe 4664 injector.exe 4664 injector.exe 4664 injector.exe 4664 injector.exe 4664 injector.exe 4664 injector.exe 812 csrss.exe 812 csrss.exe 4664 injector.exe 4664 injector.exe 4664 injector.exe 4664 injector.exe 812 csrss.exe 812 csrss.exe 4664 injector.exe 4664 injector.exe 4664 injector.exe 4664 injector.exe 4664 injector.exe 4664 injector.exe 4664 injector.exe 4664 injector.exe 4664 injector.exe 4664 injector.exe 4664 injector.exe 4664 injector.exe 4664 injector.exe 4664 injector.exe 4664 injector.exe 4664 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5048 powershell.exe Token: SeDebugPrivilege 1588 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe Token: SeImpersonatePrivilege 1588 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe Token: SeDebugPrivilege 1744 powershell.exe Token: SeDebugPrivilege 1436 powershell.exe Token: SeDebugPrivilege 468 powershell.exe Token: SeDebugPrivilege 1912 powershell.exe Token: SeDebugPrivilege 3972 powershell.exe Token: SeDebugPrivilege 264 powershell.exe Token: SeSystemEnvironmentPrivilege 812 csrss.exe Token: SeSecurityPrivilege 1308 sc.exe Token: SeSecurityPrivilege 1308 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1588 wrote to memory of 5048 1588 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 88 PID 1588 wrote to memory of 5048 1588 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 88 PID 1588 wrote to memory of 5048 1588 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 88 PID 3644 wrote to memory of 1744 3644 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 97 PID 3644 wrote to memory of 1744 3644 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 97 PID 3644 wrote to memory of 1744 3644 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 97 PID 3644 wrote to memory of 3900 3644 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 99 PID 3644 wrote to memory of 3900 3644 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 99 PID 3900 wrote to memory of 3976 3900 cmd.exe 101 PID 3900 wrote to memory of 3976 3900 cmd.exe 101 PID 3644 wrote to memory of 1436 3644 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 102 PID 3644 wrote to memory of 1436 3644 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 102 PID 3644 wrote to memory of 1436 3644 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 102 PID 3644 wrote to memory of 468 3644 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 122 PID 3644 wrote to memory of 468 3644 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 122 PID 3644 wrote to memory of 468 3644 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 122 PID 3644 wrote to memory of 812 3644 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 106 PID 3644 wrote to memory of 812 3644 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 106 PID 3644 wrote to memory of 812 3644 73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe 106 PID 812 wrote to memory of 1912 812 csrss.exe 107 PID 812 wrote to memory of 1912 812 csrss.exe 107 PID 812 wrote to memory of 1912 812 csrss.exe 107 PID 812 wrote to memory of 3972 812 csrss.exe 113 PID 812 wrote to memory of 3972 812 csrss.exe 113 PID 812 wrote to memory of 3972 812 csrss.exe 113 PID 812 wrote to memory of 264 812 csrss.exe 115 PID 812 wrote to memory of 264 812 csrss.exe 115 PID 812 wrote to memory of 264 812 csrss.exe 115 PID 812 wrote to memory of 4664 812 csrss.exe 117 PID 812 wrote to memory of 4664 812 csrss.exe 117 PID 1036 wrote to memory of 5008 1036 windefender.exe 123 PID 1036 wrote to memory of 5008 1036 windefender.exe 123 PID 1036 wrote to memory of 5008 1036 windefender.exe 123 PID 5008 wrote to memory of 1308 5008 cmd.exe 124 PID 5008 wrote to memory of 1308 5008 cmd.exe 124 PID 5008 wrote to memory of 1308 5008 cmd.exe 124 -
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\73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe"C:\Users\Admin\AppData\Local\Temp\73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.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⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5048
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C:\Users\Admin\AppData\Local\Temp\73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.exe"C:\Users\Admin\AppData\Local\Temp\73ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203.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:3644 -
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:1744
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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:3900 -
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:3976
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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:1436
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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:468
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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:812 -
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:1912
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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:3528
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4524
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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:3972
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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:264
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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:4664
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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:2908
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1036 -
C:\Windows\System32\Conhost.exe\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV15⤵PID:468
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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:5008 -
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:1308
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:464
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
MD584009cb6686655225a97393ebf5fc2ff
SHA18772dd0594f1694f65132f0a5ea118ac03714b91
SHA2561ea9a1a2b862770c48dfe8ce2ef506ec69e1bd6a39291566dfb26ed8f59e07f5
SHA51207729e12f24148172dd1e99bf9792e849bf4c782bdb933b51c96bb3875e29aef70729abd7dd4cc231d4847c42dc12569b298b6878e9eed429ff397f17adba95b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f502bb4ac30479e81009189920ded994
SHA1e7134eb3312fbf959e9e83bf4473665216131fdd
SHA2560a30b96a267465ad7e3277544a7ba9cb2d200f6eb666bde08ac1deda02b2476b
SHA51206585aa9ab35a5daf09e251d08b74b300b4f37ea2f779b2e5b5ad4df6eb7321e3a8c7e45d54705f95fdcf460c00095150d2da3d2d8f7dfd4f30a43bbbc4662b2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a5df6e72008f895b8fa8a3e34dbf43c6
SHA12aafebbe31bfc0d5ef4a194fa1e67e4b1731e74f
SHA256fedde1e008f9df560939a72cd85411f285a388432ec6d1c682f7ec675c65d1ff
SHA5127911239b3d8e1681ef1e6c690ae95cea34dde91af2f644ea2d48fb51f623b4213ea6cc714db3b069dde81f05925f8ec1a2252e623c1ff2029773b9bfce44a788
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53808d0a74e0dbe11d529a116db97a446
SHA124ece194d5f596c6069a66a5c2a24091fbce3169
SHA25607ca881c6a3b6e4565316489f9d4f824812de948d0faffe662200d57ccbe1c0e
SHA51209f07704401aa8b822f5383d7c27282ecef7eb85880b04fd0d4c38650d16ad2bd1319e563c6a1a2dfe7e8937fce783a835190f7f7836c2e5473f3b90058ea21b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59e934cf2961aa3fec97500b3cb61015d
SHA1ec216ee70be076ab766bc6aa80764a21413fc3d8
SHA256b2de50aec47859c0a774c06ed62afbdf9cf7384f5693a1e69fcf129e7d9f924f
SHA5124d3bb25b7a1985df21b063f6536d1644b76efdb2cde52ed9a3d7ee02d38520aede2a45cd658480a545a0a5e9c2b01844a7ac5548820a66087ad0bf4becfadf3a
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Filesize
4.2MB
MD5e95ec308bcb51cbda0e87cf175527699
SHA1e7e2cb7995de5a9d8ffb4e6dbe608ffad20fbe7a
SHA25673ee4f78bed340cb95dcbf9380c15d44838fa85fbd770b1e30090706aadbb203
SHA51272fa0284dcd8578912fffdecacb2074b67c6ad77c6f90292099fbd1e54795aba14901a9ad099928b190b1ba060258662357458b28655a522b9d812a74ce4d41d
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec