Analysis
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max time kernel
149s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
26-03-2024 13:44
Static task
static1
Behavioral task
behavioral1
Sample
a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe
Resource
win10v2004-20240226-en
General
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Target
a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe
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Size
4.2MB
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MD5
a3929426f6905faa5f4acb7953cc92ca
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SHA1
24e48ebb800b5b5b7a93c357f5da4aaf54a46ebb
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SHA256
a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1
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SHA512
94d7fd056d52f4667ffbe4dbab0673b0ca21d12022f2dd317c67358ce788dae4b9bd1b764015454dcd2efa0a5d649c4a6c38e27ba84d63c271ede3517270da89
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SSDEEP
98304:hcc1VimWaGwQyR5Ub10pmF8uf1WAu/wu8XRZ5MLcu:6gqwQyDUbupZwu/38XH5MLh
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral2/memory/4908-2-0x0000000003300000-0x0000000003BEB000-memory.dmp family_glupteba behavioral2/memory/4908-3-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral2/memory/4908-51-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral2/memory/4908-53-0x0000000003300000-0x0000000003BEB000-memory.dmp family_glupteba behavioral2/memory/4444-54-0x0000000002B00000-0x0000000002EFC000-memory.dmp family_glupteba behavioral2/memory/4444-55-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral2/memory/4444-119-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral2/memory/4444-146-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral2/memory/1696-244-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral2/memory/1696-253-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral2/memory/1696-255-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral2/memory/1696-257-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral2/memory/1696-259-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral2/memory/1696-261-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral2/memory/1696-263-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral2/memory/1696-265-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral2/memory/1696-267-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral2/memory/1696-269-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral2/memory/1696-271-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral2/memory/1696-273-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral2/memory/1696-275-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3076 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1696 csrss.exe 3736 injector.exe 3540 windefender.exe 4844 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a79b-247.dat upx behavioral2/memory/3540-252-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4844-254-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4844-258-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1637591879-962683004-3585269084-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe Set value (str) \REGISTRY\USER\S-1-5-21-1637591879-962683004-3585269084-1000\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 a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe File created C:\Windows\rss\csrss.exe a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4532 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 5020 schtasks.exe 3120 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates 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\22\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates 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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates 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\22\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.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\22\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2600 powershell.exe 2600 powershell.exe 4908 a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe 4908 a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe 3844 powershell.exe 3844 powershell.exe 4444 a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe 4444 a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe 4444 a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe 4444 a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe 4444 a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe 4444 a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe 4444 a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe 4444 a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe 4444 a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe 4444 a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe 3888 powershell.exe 3888 powershell.exe 1060 powershell.exe 1060 powershell.exe 808 powershell.exe 808 powershell.exe 4636 powershell.exe 4636 powershell.exe 1176 powershell.exe 1176 powershell.exe 3736 injector.exe 3736 injector.exe 3736 injector.exe 3736 injector.exe 3736 injector.exe 3736 injector.exe 1696 csrss.exe 1696 csrss.exe 3736 injector.exe 3736 injector.exe 3736 injector.exe 3736 injector.exe 3736 injector.exe 3736 injector.exe 1696 csrss.exe 1696 csrss.exe 3736 injector.exe 3736 injector.exe 3736 injector.exe 3736 injector.exe 3736 injector.exe 3736 injector.exe 1696 csrss.exe 1696 csrss.exe 3736 injector.exe 3736 injector.exe 3736 injector.exe 3736 injector.exe 3736 injector.exe 3736 injector.exe 3736 injector.exe 3736 injector.exe 3736 injector.exe 3736 injector.exe 3736 injector.exe 3736 injector.exe 3736 injector.exe 3736 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2600 powershell.exe Token: SeDebugPrivilege 4908 a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe Token: SeImpersonatePrivilege 4908 a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe Token: SeDebugPrivilege 3844 powershell.exe Token: SeDebugPrivilege 3888 powershell.exe Token: SeDebugPrivilege 1060 powershell.exe Token: SeDebugPrivilege 808 powershell.exe Token: SeDebugPrivilege 4636 powershell.exe Token: SeDebugPrivilege 1176 powershell.exe Token: SeSystemEnvironmentPrivilege 1696 csrss.exe Token: SeSecurityPrivilege 4532 sc.exe Token: SeSecurityPrivilege 4532 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4908 wrote to memory of 2600 4908 a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe 78 PID 4908 wrote to memory of 2600 4908 a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe 78 PID 4908 wrote to memory of 2600 4908 a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe 78 PID 4444 wrote to memory of 3844 4444 a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe 83 PID 4444 wrote to memory of 3844 4444 a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe 83 PID 4444 wrote to memory of 3844 4444 a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe 83 PID 4444 wrote to memory of 4944 4444 a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe 85 PID 4444 wrote to memory of 4944 4444 a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe 85 PID 4944 wrote to memory of 3076 4944 cmd.exe 87 PID 4944 wrote to memory of 3076 4944 cmd.exe 87 PID 4444 wrote to memory of 3888 4444 a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe 88 PID 4444 wrote to memory of 3888 4444 a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe 88 PID 4444 wrote to memory of 3888 4444 a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe 88 PID 4444 wrote to memory of 1060 4444 a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe 90 PID 4444 wrote to memory of 1060 4444 a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe 90 PID 4444 wrote to memory of 1060 4444 a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe 90 PID 4444 wrote to memory of 1696 4444 a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe 92 PID 4444 wrote to memory of 1696 4444 a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe 92 PID 4444 wrote to memory of 1696 4444 a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe 92 PID 1696 wrote to memory of 808 1696 csrss.exe 93 PID 1696 wrote to memory of 808 1696 csrss.exe 93 PID 1696 wrote to memory of 808 1696 csrss.exe 93 PID 1696 wrote to memory of 4636 1696 csrss.exe 98 PID 1696 wrote to memory of 4636 1696 csrss.exe 98 PID 1696 wrote to memory of 4636 1696 csrss.exe 98 PID 1696 wrote to memory of 1176 1696 csrss.exe 101 PID 1696 wrote to memory of 1176 1696 csrss.exe 101 PID 1696 wrote to memory of 1176 1696 csrss.exe 101 PID 1696 wrote to memory of 3736 1696 csrss.exe 103 PID 1696 wrote to memory of 3736 1696 csrss.exe 103 PID 3540 wrote to memory of 3904 3540 windefender.exe 109 PID 3540 wrote to memory of 3904 3540 windefender.exe 109 PID 3540 wrote to memory of 3904 3540 windefender.exe 109 PID 3904 wrote to memory of 4532 3904 cmd.exe 110 PID 3904 wrote to memory of 4532 3904 cmd.exe 110 PID 3904 wrote to memory of 4532 3904 cmd.exe 110 -
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\a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe"C:\Users\Admin\AppData\Local\Temp\a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4908 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2600
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C:\Users\Admin\AppData\Local\Temp\a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.exe"C:\Users\Admin\AppData\Local\Temp\a8fd268f71cf14f567150d24036a970b430f2394b2e59f3934f3ddc247c8bbf1.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:4444 -
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:3844
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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:4944 -
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:3076
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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:3888
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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:1060
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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:1696 -
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:808
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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:5020
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2884
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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:4636
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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:1176
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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:3736
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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:3120
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3540 -
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:3904 -
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:4532
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4844
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
MD5de76e12f9b5a37e4b3029856c745d0bc
SHA114749c61c326387c71e20213089b8cf839ce3179
SHA2566289d5e4440c40bee994d13672dd6e43272a8d70389518038831ee15dad8d9be
SHA512650a119da05a968247eea5e1eccff10b3793d9a808b324f183002d49327f13c474a6e2bc09fa8db3348cb39022f7251833cf2235265a5e8d6d84e4456cc30278
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5725236243d5f9a7d0b1cd4554480f000
SHA1e789955c1f2d06792257c06c5446b3192b6d358b
SHA25625bf6a0539bbf210c44fbaf7cac16d9f1eeebe6385eb608c2c75a810c197b972
SHA5128017cdd49c2e3778f6f8619708318e90fe476bd5e06032b4a77742794fbc39cb60b0af69cbf6bd59861672c73cc9f02acf42003eb4976490d8237f2f88992d4d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ede34db9b94b13010cdb7b07f092e801
SHA16de078c8129a86b66684e10e5892a00e21586513
SHA2564090b28dfa27d5e9f9a8c938fdb13ce228b1a3fdd23cde5a4780fe865e195e11
SHA5123cbb923adf88d51b826c5433654417b59e7b85b1d104facf1e4185d12fa674348678b194d4ce8d3044c7031bd4a22b8a32a217cb1a26c82b5046f5d2703474c3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f7ba66acbe3f729d0bdce764bad930c9
SHA10be5c4d4e0068c2dcaed9747c8a140d468da66a3
SHA25603cee0e5436ce0629c11332d4ea79ede43d122537d840f79f0caa13adb80af4b
SHA51266cd63b3363e9aa49af47a652ed170a7ec33e7a9d6f201c1b943118588a9b2712c2fa4a638eac8fff02ac8ce57643de21dd5bda78587ff5fe67160f06e5e7c6d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD565576250491e842df37c4d109a5a0dbc
SHA18650d6ce953678de2d91c3ed7ab5e7d98ed35d4e
SHA256136dbf6f4884737d0de07c277fd14ed5a8ea9854911465d54e3fcafee471f34a
SHA5120aaa20fdcd2855a6f0d1e9997b066b3b25dc6532587eaf27d9784cbc5ca54c5be3a9e12ed1e5b67301af7dd3c6fa3b71c2cb82d5fcab819d07185535d01963ab
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Filesize
1.9MB
MD57f6d8ca952cc4947931bbc2a5b887e64
SHA123f50a5dde1a1a7e0e9bb144641663f050853a07
SHA2564b9a1b79f3f847b48b5b00745f1d89eba6a75842918a036bb89baa9c91194cf0
SHA512061aa32b927e006e466810501fb64898ca44c555658e8af21a3df80b9c4a1ae8d3130beb6814c0b3e876301c41dc46a88e30e31a5f4065d40f3434a687afda81
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Filesize
1.4MB
MD50c42110f643a6d055d3eced3416b01c3
SHA1bcdca635d18351a4899c46be737481a5db8be436
SHA256a956ac5dca0464bdf0306b428c98088271bff23c32c50be6a5b1941395ee1fe3
SHA51239b3839596962fb497d59dbbca1b674bdb81b415773d6d60bfe48b51f3479458b7c3807e299dce8034a1adb14ebdc7734aff7e3e869ef3b32acc1a5c5d133234
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec