Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
17/04/2024, 16:00
Static task
static1
Behavioral task
behavioral1
Sample
39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe
Resource
win10v2004-20240412-en
General
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Target
39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe
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Size
4.2MB
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MD5
611bed5efb6f16974243d16714b8f5e7
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SHA1
983c358f76644e4832e4a358617d82cef9fe7442
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SHA256
39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890
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SHA512
e07e7e20fd7f8d5f59851408ebfd8bdfc024d1a2b8b034a7dbb4c98ef3913a32a3c933b5d20bef9a1c2d608c92c77632372730525f4f8a573072b9501cd06cf4
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SSDEEP
98304:uz7Cg0ld9bGpeFIidtQ9zICqBAsCsR7hN5aqRYTU71:k7NcfZtQ9LJEd3aOYT+1
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/408-2-0x0000000005260000-0x0000000005B4B000-memory.dmp family_glupteba behavioral1/memory/408-3-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/1688-57-0x0000000005140000-0x0000000005A2B000-memory.dmp family_glupteba behavioral1/memory/1688-58-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/408-84-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/1688-144-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/1688-184-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/3804-255-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/3804-266-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/3804-270-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/3804-274-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/3804-278-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/3804-282-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/3804-286-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/3804-290-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/3804-294-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/3804-298-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/3804-302-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/3804-306-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/3804-310-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1404 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3804 csrss.exe 3192 injector.exe 4832 windefender.exe 1928 windefender.exe -
resource yara_rule behavioral1/files/0x000700000002341e-259.dat upx behavioral1/memory/4832-265-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1928-269-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1928-277-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe Set value (str) \REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\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 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 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe File created C:\Windows\rss\csrss.exe 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.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 4084 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 3184 schtasks.exe 804 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard 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\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.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,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.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\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.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\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.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,-215 = "Pacific Standard Time (Mexico)" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.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\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.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\26\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1108 powershell.exe 1108 powershell.exe 408 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 408 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 5008 powershell.exe 5008 powershell.exe 1688 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 1688 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 1688 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 1688 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 1688 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 1688 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 1688 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 1688 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 1688 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 1688 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 3428 powershell.exe 3428 powershell.exe 3252 powershell.exe 3252 powershell.exe 3512 powershell.exe 3512 powershell.exe 2196 powershell.exe 2196 powershell.exe 4500 powershell.exe 4500 powershell.exe 3192 injector.exe 3192 injector.exe 3192 injector.exe 3192 injector.exe 3192 injector.exe 3192 injector.exe 3804 csrss.exe 3804 csrss.exe 3192 injector.exe 3192 injector.exe 3192 injector.exe 3192 injector.exe 3192 injector.exe 3192 injector.exe 3804 csrss.exe 3804 csrss.exe 3192 injector.exe 3192 injector.exe 3804 csrss.exe 3804 csrss.exe 3192 injector.exe 3192 injector.exe 3192 injector.exe 3192 injector.exe 3192 injector.exe 3192 injector.exe 3192 injector.exe 3192 injector.exe 3192 injector.exe 3192 injector.exe 3192 injector.exe 3192 injector.exe 3192 injector.exe 3192 injector.exe 3192 injector.exe 3192 injector.exe 3192 injector.exe 3192 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1108 powershell.exe Token: SeDebugPrivilege 408 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe Token: SeImpersonatePrivilege 408 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe Token: SeDebugPrivilege 5008 powershell.exe Token: SeDebugPrivilege 3428 powershell.exe Token: SeDebugPrivilege 3252 powershell.exe Token: SeDebugPrivilege 3512 powershell.exe Token: SeDebugPrivilege 2196 powershell.exe Token: SeDebugPrivilege 4500 powershell.exe Token: SeSystemEnvironmentPrivilege 3804 csrss.exe Token: SeSecurityPrivilege 4084 sc.exe Token: SeSecurityPrivilege 4084 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 408 wrote to memory of 1108 408 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 90 PID 408 wrote to memory of 1108 408 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 90 PID 408 wrote to memory of 1108 408 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 90 PID 1688 wrote to memory of 5008 1688 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 97 PID 1688 wrote to memory of 5008 1688 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 97 PID 1688 wrote to memory of 5008 1688 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 97 PID 1688 wrote to memory of 4900 1688 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 99 PID 1688 wrote to memory of 4900 1688 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 99 PID 4900 wrote to memory of 1404 4900 cmd.exe 101 PID 4900 wrote to memory of 1404 4900 cmd.exe 101 PID 1688 wrote to memory of 3428 1688 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 102 PID 1688 wrote to memory of 3428 1688 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 102 PID 1688 wrote to memory of 3428 1688 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 102 PID 1688 wrote to memory of 3252 1688 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 104 PID 1688 wrote to memory of 3252 1688 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 104 PID 1688 wrote to memory of 3252 1688 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 104 PID 1688 wrote to memory of 3804 1688 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 106 PID 1688 wrote to memory of 3804 1688 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 106 PID 1688 wrote to memory of 3804 1688 39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe 106 PID 3804 wrote to memory of 3512 3804 csrss.exe 107 PID 3804 wrote to memory of 3512 3804 csrss.exe 107 PID 3804 wrote to memory of 3512 3804 csrss.exe 107 PID 3804 wrote to memory of 2196 3804 csrss.exe 113 PID 3804 wrote to memory of 2196 3804 csrss.exe 113 PID 3804 wrote to memory of 2196 3804 csrss.exe 113 PID 3804 wrote to memory of 4500 3804 csrss.exe 115 PID 3804 wrote to memory of 4500 3804 csrss.exe 115 PID 3804 wrote to memory of 4500 3804 csrss.exe 115 PID 3804 wrote to memory of 3192 3804 csrss.exe 117 PID 3804 wrote to memory of 3192 3804 csrss.exe 117 PID 4832 wrote to memory of 3604 4832 windefender.exe 124 PID 4832 wrote to memory of 3604 4832 windefender.exe 124 PID 4832 wrote to memory of 3604 4832 windefender.exe 124 PID 3604 wrote to memory of 4084 3604 cmd.exe 125 PID 3604 wrote to memory of 4084 3604 cmd.exe 125 PID 3604 wrote to memory of 4084 3604 cmd.exe 125 -
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\39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe"C:\Users\Admin\AppData\Local\Temp\39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:408 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1108
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C:\Users\Admin\AppData\Local\Temp\39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.exe"C:\Users\Admin\AppData\Local\Temp\39e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890.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:1688 -
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:5008
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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:4900 -
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:1404
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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:3428
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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:3252
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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:3804 -
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:3512
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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:3184
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:436
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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:2196
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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:4500
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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:3192
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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:804
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4832 -
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:3604 -
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:4084
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1928
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD579e01fe12c6a073307f8abb597e99337
SHA1024531766227e15cfce2d1aa4851d5ed8147bf24
SHA25633238f6abc3473d70b7ba620c6998acb1738718e456e02fd3cfe8ceb08dae363
SHA512a6995bf9e02c3fab716ca629c2a9bee30500f7061eca767087ff31414db9e3a4bd03edd21ad6cc268880b4453ddeed8b34d036198a4777fb2ff258aea0acebbe
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53505e69ad53c1749c3079036f340026b
SHA191688f004aa29c328c39ace759a4a8d5caba449c
SHA2569c0b50f00ab921d66d0b2a857ef9a3b893b0d934084510a3a6120a5a276a015e
SHA51224b09a81f31144f8db90443c91d8fcebf7d7585f9edd6f27b299557be1a7a8106eec989f9394965b044c70c2b62c51853261fd87678002fe183696edda4aada7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5301fdd7886de75cbe8641932c9072bc3
SHA1a3853f5fc7da8262f7816f54860e8ecd5651cbd6
SHA25682d42603fed644f787f2824c55050acad13ec3f80376002ab7e11ea81b86dbd5
SHA512d3e5a3ff964954659eadb4a1e896f4f64ef8bba687e9ea8b8ce08db391d7f45c14c069dfcbc074401d369221f649b4caaa489aeb5458dc280161a600f0cd71d0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59643b67eacaa0d74292073d07b4ca9be
SHA112f2cbb4be4e878d159666c86aa5fe0eb2c5b4ed
SHA256a5f09f629ab259dadc5591753f71ca30bd84d95a129d75d909b52c0556cee04e
SHA51229e4540c772896e8caf6312b415cac0efa84795a9c8b4c0e447fd45b788ae1a3069ae7ee5577b147c23bc0043dbfb7944f9c3fc11cef1af889b01a3395f4c475
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50ad61e195819ff2e927f65ed0ef4db2b
SHA174d07f964eea15c8e1b1de47f8c7c33d22c0b5fb
SHA2562fd1f4fece1e6d6c26c11b5f551437bcc26a26457f38238a3ecde62b9a2be949
SHA512659e381021f54586faad40d4b4b8fc3d190fc8d946f70e0381360c39599f3cac3938bb6d01f99de0b54ff62d633fa3c9977e8b03a1d2a89d6aac0c184bd660a8
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Filesize
4.2MB
MD5611bed5efb6f16974243d16714b8f5e7
SHA1983c358f76644e4832e4a358617d82cef9fe7442
SHA25639e5f969c9d0913d31e2198f9b7926bfd44e7966a24743f43f98d8e6f34f5890
SHA512e07e7e20fd7f8d5f59851408ebfd8bdfc024d1a2b8b034a7dbb4c98ef3913a32a3c933b5d20bef9a1c2d608c92c77632372730525f4f8a573072b9501cd06cf4
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec