Analysis
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max time kernel
150s -
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
29/03/2024, 17:05
Static task
static1
Behavioral task
behavioral1
Sample
0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe
Resource
win10v2004-20240226-en
General
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Target
0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe
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Size
4.1MB
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MD5
a4c938bbf5e5da7b71f97b1c114df017
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SHA1
75d845a08ca2d7891b7190587cb824f4c16b95ef
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SHA256
0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b
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SHA512
1711956765b35ec61cad1eacb44e710bda39ab0f487e0fa647c82e63280bac8df50f71535896f164947d9ed8a76b75620037c642a6b288eb0fe4c625c77fdb2d
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SSDEEP
98304:zJ1jvIQd/qIN5Ol0qW7hdN82mXZphd//waXm6hhAlNasE4O/DgRT:9lIQJHrOjWHN8XZpbwaXmW8Cd/Dgx
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/3932-2-0x00000000030B0000-0x000000000399B000-memory.dmp family_glupteba behavioral2/memory/3932-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1548-54-0x0000000003020000-0x000000000390B000-memory.dmp family_glupteba behavioral2/memory/1548-55-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3932-69-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1548-166-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1636-248-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1636-259-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1636-263-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1636-266-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1636-271-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1636-275-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1636-279-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1636-282-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1636-286-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1636-291-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1636-295-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1636-299-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1636-302-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3084 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1636 csrss.exe 2864 injector.exe 896 windefender.exe 5012 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a788-251.dat upx behavioral2/memory/896-255-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5012-261-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5012-269-0x0000000000400000-0x00000000008DF000-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\"" 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.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 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 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe File created C:\Windows\rss\csrss.exe 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2620 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 4372 schtasks.exe 3056 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process 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\22\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.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\22\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.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\Disallowed\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3248 powershell.exe 3248 powershell.exe 3932 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe 3932 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe 4856 powershell.exe 4856 powershell.exe 1548 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe 1548 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe 1548 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe 1548 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe 1548 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe 1548 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe 1548 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe 1548 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe 1548 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe 1548 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe 3436 powershell.exe 3436 powershell.exe 1404 powershell.exe 1404 powershell.exe 1688 powershell.exe 1688 powershell.exe 2032 powershell.exe 2032 powershell.exe 1160 powershell.exe 1160 powershell.exe 2864 injector.exe 2864 injector.exe 2864 injector.exe 2864 injector.exe 2864 injector.exe 2864 injector.exe 1636 csrss.exe 1636 csrss.exe 2864 injector.exe 2864 injector.exe 2864 injector.exe 2864 injector.exe 2864 injector.exe 2864 injector.exe 1636 csrss.exe 1636 csrss.exe 2864 injector.exe 2864 injector.exe 1636 csrss.exe 1636 csrss.exe 2864 injector.exe 2864 injector.exe 2864 injector.exe 2864 injector.exe 2864 injector.exe 2864 injector.exe 2864 injector.exe 2864 injector.exe 2864 injector.exe 2864 injector.exe 2864 injector.exe 2864 injector.exe 2864 injector.exe 2864 injector.exe 2864 injector.exe 2864 injector.exe 2864 injector.exe 2864 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3248 powershell.exe Token: SeDebugPrivilege 3932 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe Token: SeImpersonatePrivilege 3932 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe Token: SeDebugPrivilege 4856 powershell.exe Token: SeDebugPrivilege 3436 powershell.exe Token: SeDebugPrivilege 1404 powershell.exe Token: SeDebugPrivilege 1688 powershell.exe Token: SeDebugPrivilege 2032 powershell.exe Token: SeDebugPrivilege 1160 powershell.exe Token: SeSystemEnvironmentPrivilege 1636 csrss.exe Token: SeSecurityPrivilege 2620 sc.exe Token: SeSecurityPrivilege 2620 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3932 wrote to memory of 3248 3932 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe 77 PID 3932 wrote to memory of 3248 3932 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe 77 PID 3932 wrote to memory of 3248 3932 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe 77 PID 1548 wrote to memory of 4856 1548 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe 82 PID 1548 wrote to memory of 4856 1548 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe 82 PID 1548 wrote to memory of 4856 1548 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe 82 PID 1548 wrote to memory of 3864 1548 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe 84 PID 1548 wrote to memory of 3864 1548 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe 84 PID 3864 wrote to memory of 3084 3864 cmd.exe 86 PID 3864 wrote to memory of 3084 3864 cmd.exe 86 PID 1548 wrote to memory of 3436 1548 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe 87 PID 1548 wrote to memory of 3436 1548 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe 87 PID 1548 wrote to memory of 3436 1548 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe 87 PID 1548 wrote to memory of 1404 1548 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe 89 PID 1548 wrote to memory of 1404 1548 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe 89 PID 1548 wrote to memory of 1404 1548 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe 89 PID 1548 wrote to memory of 1636 1548 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe 91 PID 1548 wrote to memory of 1636 1548 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe 91 PID 1548 wrote to memory of 1636 1548 0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe 91 PID 1636 wrote to memory of 1688 1636 csrss.exe 92 PID 1636 wrote to memory of 1688 1636 csrss.exe 92 PID 1636 wrote to memory of 1688 1636 csrss.exe 92 PID 1636 wrote to memory of 2032 1636 csrss.exe 97 PID 1636 wrote to memory of 2032 1636 csrss.exe 97 PID 1636 wrote to memory of 2032 1636 csrss.exe 97 PID 1636 wrote to memory of 1160 1636 csrss.exe 100 PID 1636 wrote to memory of 1160 1636 csrss.exe 100 PID 1636 wrote to memory of 1160 1636 csrss.exe 100 PID 1636 wrote to memory of 2864 1636 csrss.exe 102 PID 1636 wrote to memory of 2864 1636 csrss.exe 102 PID 896 wrote to memory of 1388 896 windefender.exe 108 PID 896 wrote to memory of 1388 896 windefender.exe 108 PID 896 wrote to memory of 1388 896 windefender.exe 108 PID 1388 wrote to memory of 2620 1388 cmd.exe 109 PID 1388 wrote to memory of 2620 1388 cmd.exe 109 PID 1388 wrote to memory of 2620 1388 cmd.exe 109 -
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\0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe"C:\Users\Admin\AppData\Local\Temp\0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3932 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3248
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C:\Users\Admin\AppData\Local\Temp\0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.exe"C:\Users\Admin\AppData\Local\Temp\0a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b.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:1548 -
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:4856
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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:3864 -
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:3084
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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:3436
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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:1404
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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:1636 -
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:1688
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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:4372
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4068
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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:2032
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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:1160
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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:2864
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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:3056
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:896 -
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:1388 -
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:2620
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:5012
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
MD5933a4bd25c92af677b2418168af10272
SHA1c537a9b7371e14e395da685baf7c856de82abf13
SHA2562126159b86d930c121e41aedc9dd0b19b3f25509e1f94a3c5c358637eb7d138c
SHA512d3d859fe891698097aeb4113e9ff9c0e301343a76e7c7a681155a51b6a8945e26307c5bf3ec66141177bdaa702dd847d13b54cd0b32ddf0950281da7b15e801e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e8238f2034b339307c31e0eaed6a0f00
SHA143cf0f9a872418569a3085d24f79e661f9b7968d
SHA256c7f8be4918cb21e26d71c857c887c70cc69beddd9307174006cbd57a1c075aaa
SHA512514b4b33ca78e039d010a49d84a804a10dedcbc061e1361a1e915addaf950cd04f9b28676071c444506f854d0d620713dee1305c904c689699b02ffd0f5bd5ea
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b0d8d519b1f357b17610d3fda480bbf6
SHA10a4a92720965c2532183b9a2fc6d9e5daf179579
SHA2567c330dbf21a0d7c01e38e47607ce7148f10b3c60985f9741895dcd7cc0970c90
SHA51230793dc82d40cbace89d8d9acf2664e7b7d8b6582e2622a0e173dcdfd867cf47ef742aa831296ea222f0a5079c5999719fe790c18d2f91e4cad3554c887ef4d1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51a71bb59a405502a36aebf39634bceb4
SHA1ea1ec1913624a8d9eac612492d1af34c4efdd16d
SHA2565fea0039d6084d7c72089baf79b150660046b143a4e14753f929bbef6ffe1579
SHA5125a6d98c8bb7446a8ea2f039c3b6066d583712a29b79aef45da3383a62e1c3ddb53b6d19e78c768cf73d70c2443f3f217fda29b8917136a56c1662a6db8eb6043
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ca6ce7272a82aa7823edae80853c59a1
SHA19caf77bf84f20a662d4248832a967dffa9d847cb
SHA256decf657630ec8c6ba803bd4d615007345011ca04d6e19667ab5de09565ed0fef
SHA5123f0ccdc86fd71b3d818f2c55e8cf0799ba8eb8567fb15b741c09c880e7e13b62af95b30ccfa0958fb05fee2a87b1d087630ddcb746c637466a849869fc5521dd
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Filesize
4.1MB
MD5a4c938bbf5e5da7b71f97b1c114df017
SHA175d845a08ca2d7891b7190587cb824f4c16b95ef
SHA2560a009af38b1d7b5698e7b7c7e97dfef3632ee96c16a206198b07afa6ae51500b
SHA5121711956765b35ec61cad1eacb44e710bda39ab0f487e0fa647c82e63280bac8df50f71535896f164947d9ed8a76b75620037c642a6b288eb0fe4c625c77fdb2d
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec