Analysis
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max time kernel
150s -
max time network
152s -
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, 17:52
Static task
static1
Behavioral task
behavioral1
Sample
c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe
Resource
win10v2004-20240412-en
General
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Target
c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe
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Size
4.2MB
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MD5
d8816ed8b56dae3d982af42125a864cb
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SHA1
14f694bde2c90ab8ba9f3e5ad715ce17ded0fe3e
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SHA256
c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab
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SHA512
fe265eff381f7cba0827497e7ccb8a224c1229f2a73fd6324eca8bcc9a5e1fdec898406afe74ded666fa7dbbc38c74348c245a86db762a699fc9c060a1e85654
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SSDEEP
98304:lBy5JAu+Hk0Et5Mgg8VWlfA2+5+VVv7Fm6fCG:eAu+ENnjVyYiVNw4T
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/3196-2-0x0000000004000000-0x00000000048EB000-memory.dmp family_glupteba behavioral1/memory/3196-3-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4580-56-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4580-57-0x0000000003F10000-0x00000000047FB000-memory.dmp family_glupteba behavioral1/memory/3196-83-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4580-222-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4008-258-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4008-269-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4008-273-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4008-277-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4008-281-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4008-285-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4008-289-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4008-293-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4008-297-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4008-301-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4008-305-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4008-309-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/4008-313-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3844 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4008 csrss.exe 648 injector.exe 2168 windefender.exe 4576 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023496-262.dat upx behavioral1/memory/2168-266-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4576-271-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4576-279-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe Set value (str) \REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe File created C:\Windows\rss\csrss.exe c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.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 2092 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 4156 schtasks.exe 4440 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\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.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\26\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\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\26\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.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,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-622 = "Korea Standard 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,-561 = "SE Asia Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2236 powershell.exe 2236 powershell.exe 3196 c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe 3196 c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe 4048 powershell.exe 4048 powershell.exe 4580 c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe 4580 c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe 4580 c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe 4580 c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe 4580 c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe 4580 c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe 4580 c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe 4580 c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe 4580 c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe 4580 c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe 3564 powershell.exe 3564 powershell.exe 3564 powershell.exe 1440 powershell.exe 1440 powershell.exe 2896 powershell.exe 2896 powershell.exe 4888 powershell.exe 4888 powershell.exe 4292 powershell.exe 4292 powershell.exe 648 injector.exe 648 injector.exe 648 injector.exe 648 injector.exe 648 injector.exe 648 injector.exe 4008 csrss.exe 4008 csrss.exe 648 injector.exe 648 injector.exe 648 injector.exe 648 injector.exe 648 injector.exe 648 injector.exe 4008 csrss.exe 4008 csrss.exe 648 injector.exe 648 injector.exe 648 injector.exe 648 injector.exe 4008 csrss.exe 4008 csrss.exe 648 injector.exe 648 injector.exe 648 injector.exe 648 injector.exe 648 injector.exe 648 injector.exe 648 injector.exe 648 injector.exe 648 injector.exe 648 injector.exe 648 injector.exe 648 injector.exe 648 injector.exe 648 injector.exe 648 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2236 powershell.exe Token: SeDebugPrivilege 3196 c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe Token: SeImpersonatePrivilege 3196 c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe Token: SeDebugPrivilege 4048 powershell.exe Token: SeDebugPrivilege 3564 powershell.exe Token: SeDebugPrivilege 1440 powershell.exe Token: SeDebugPrivilege 2896 powershell.exe Token: SeDebugPrivilege 4888 powershell.exe Token: SeDebugPrivilege 4292 powershell.exe Token: SeSystemEnvironmentPrivilege 4008 csrss.exe Token: SeSecurityPrivilege 2092 sc.exe Token: SeSecurityPrivilege 2092 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3196 wrote to memory of 2236 3196 c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe 91 PID 3196 wrote to memory of 2236 3196 c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe 91 PID 3196 wrote to memory of 2236 3196 c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe 91 PID 4580 wrote to memory of 4048 4580 c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe 98 PID 4580 wrote to memory of 4048 4580 c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe 98 PID 4580 wrote to memory of 4048 4580 c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe 98 PID 4580 wrote to memory of 2000 4580 c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe 101 PID 4580 wrote to memory of 2000 4580 c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe 101 PID 2000 wrote to memory of 3844 2000 cmd.exe 103 PID 2000 wrote to memory of 3844 2000 cmd.exe 103 PID 4580 wrote to memory of 3564 4580 c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe 105 PID 4580 wrote to memory of 3564 4580 c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe 105 PID 4580 wrote to memory of 3564 4580 c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe 105 PID 4580 wrote to memory of 1440 4580 c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe 107 PID 4580 wrote to memory of 1440 4580 c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe 107 PID 4580 wrote to memory of 1440 4580 c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe 107 PID 4580 wrote to memory of 4008 4580 c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe 109 PID 4580 wrote to memory of 4008 4580 c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe 109 PID 4580 wrote to memory of 4008 4580 c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe 109 PID 4008 wrote to memory of 2896 4008 csrss.exe 110 PID 4008 wrote to memory of 2896 4008 csrss.exe 110 PID 4008 wrote to memory of 2896 4008 csrss.exe 110 PID 4008 wrote to memory of 4888 4008 csrss.exe 115 PID 4008 wrote to memory of 4888 4008 csrss.exe 115 PID 4008 wrote to memory of 4888 4008 csrss.exe 115 PID 4008 wrote to memory of 4292 4008 csrss.exe 118 PID 4008 wrote to memory of 4292 4008 csrss.exe 118 PID 4008 wrote to memory of 4292 4008 csrss.exe 118 PID 4008 wrote to memory of 648 4008 csrss.exe 120 PID 4008 wrote to memory of 648 4008 csrss.exe 120 PID 2168 wrote to memory of 628 2168 windefender.exe 126 PID 2168 wrote to memory of 628 2168 windefender.exe 126 PID 2168 wrote to memory of 628 2168 windefender.exe 126 PID 628 wrote to memory of 2092 628 cmd.exe 127 PID 628 wrote to memory of 2092 628 cmd.exe 127 PID 628 wrote to memory of 2092 628 cmd.exe 127 -
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\c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe"C:\Users\Admin\AppData\Local\Temp\c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3196 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2236
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C:\Users\Admin\AppData\Local\Temp\c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.exe"C:\Users\Admin\AppData\Local\Temp\c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab.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:4580 -
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:4048
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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:2000 -
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:3844
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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:3564
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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:1440
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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:4008 -
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:2896
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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:4156
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2544
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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:4888
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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:4292
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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:648
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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:4440
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2168 -
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:628 -
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:2092
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4576
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
MD59d126dd32cb6efd2134eea312b9eddee
SHA1816033d56c5131b6d77544c7790cffefc083e15c
SHA256ff32b53e3ad1559d22fb07ee032191ea4aca0ab6a60329450082eeabd2b765f2
SHA512852fd15312a341cf8c7d63967513dcc4456357b3853a775d59cab8b7119450ca715ffe84356087d0ed037290a0ddfa4f845d34828d9ac8a5b46fa05b50c58bba
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5218c2330045feb8b3f02b3d557727f3e
SHA1f98f3ef5a7f603516431c86d8a7b7ba71e600cd9
SHA25604ec6c76794fe46fdc9786a3c6f4c9135344ce7364cb7c1af553802e63dba23c
SHA512cd38e8d1b2fb9a7df353018bbeeee53ac94a3814b980061364dced494be8bc851b58c0fbd440c1d5c5d1a3b8b6144b6efc468430264e6d4dbec4fc17ef558c74
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53d69b3c070212236fd387fe9a0f5eaf0
SHA10b74d621400a5bc6416a8de336d9f407ffd827f4
SHA256d2b0fc77a58c020430aa745856422c21d59292e51bf43636d8aa442090b17208
SHA512fba3f1189f8a18c495daafec000a7057994eef7792048e1f6c45b405f110a484f6a491390e9e2864f5bd537ed1b14eac1c98b07395f8dcf13167f3d6a8bb0c80
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD526dc375fcada8491cc2c12b79220ef5f
SHA1e895bb14e0a3ed46af30652f72a967073089f557
SHA256dc4a6448e86ff5d32b959f361cd1a5d3fddaeab90619a5c86605d05ec175fd4d
SHA51288a8fef14aecbb9f12075e69a8b491646bad7ab94359e65279ef05afe36e7ac736b50fca106bae9f177052eea3e3a472f740bbc5def494e07dd5c4ba6f8e19aa
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a870dbe54882bcc8fcbe35e96d81c47b
SHA1be0d2862326fbad1deac4dd5b79b4d3467cf2a0f
SHA256ce7d8dfe37ae8fbc1b686ee60c57916f8b242c420938fb28e2754643461b01af
SHA512d9bb542e0072a0f5d0c2d0f42e89268de958920fa4c5d505d26f1cb3396fee0618df0b36605ef4a9e0e993347f7b1db24f764f818378ca17e536e6cea5adfcf1
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Filesize
4.2MB
MD5d8816ed8b56dae3d982af42125a864cb
SHA114f694bde2c90ab8ba9f3e5ad715ce17ded0fe3e
SHA256c16f62239a06fbbbf00415264823de4c8d11543f765e1b53ea08976e49a340ab
SHA512fe265eff381f7cba0827497e7ccb8a224c1229f2a73fd6324eca8bcc9a5e1fdec898406afe74ded666fa7dbbc38c74348c245a86db762a699fc9c060a1e85654
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec