Analysis
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max time kernel
150s -
max time network
155s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
17/04/2024, 19:05
Static task
static1
Behavioral task
behavioral1
Sample
d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe
Resource
win10v2004-20240226-en
General
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Target
d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe
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Size
4.2MB
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MD5
1de3eaebddb8b0059fb279548dae5c5c
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SHA1
d87c6c276c28d515be6bea13f4b9afcb7421ff2e
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SHA256
d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e
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SHA512
19d9ee019cffa93ba2bc205bf3dabf0b1f7719ab533348e37927aee4db5fd951980eacd152c70171ec6fded885fdafb0cfc541473f667e25946c66a3fd593be2
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SSDEEP
98304:u+HT2dFOlkJa7jNZC2ePu9ILkthheCYlOaW:3zMKBrC2kuA8hntJ
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral2/memory/4088-2-0x0000000005390000-0x0000000005C7B000-memory.dmp family_glupteba behavioral2/memory/4088-3-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/4088-25-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/4088-52-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/4088-54-0x0000000005390000-0x0000000005C7B000-memory.dmp family_glupteba behavioral2/memory/1060-57-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/1060-71-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/1060-103-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/1060-104-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/1060-140-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/1060-146-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/5244-182-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/5244-240-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/5244-251-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/5244-256-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/5244-258-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/5244-260-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/5244-262-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/5244-264-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/5244-266-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/5244-268-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1332 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 5244 csrss.exe 6096 injector.exe 4032 windefender.exe 5732 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa01-249.dat upx behavioral2/memory/4032-255-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5732-257-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5732-263-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5732-267-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1734202354-1504186683-2192872036-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe Set value (str) \REGISTRY\USER\S-1-5-21-1734202354-1504186683-2192872036-1000\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 d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe File created C:\Windows\rss\csrss.exe d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.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 5428 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 1540 schtasks.exe 5872 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,-434 = "Georgian Daylight Time" d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.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\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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 Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs 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,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.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,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.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,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight 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\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.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,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.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,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4588 powershell.exe 4588 powershell.exe 4088 d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe 4088 d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe 2800 powershell.exe 2800 powershell.exe 1060 d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe 1060 d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe 1060 d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe 1060 d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe 1060 d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe 1060 d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe 1060 d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe 1060 d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe 1060 d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe 1060 d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe 844 powershell.exe 844 powershell.exe 508 powershell.exe 508 powershell.exe 1548 powershell.exe 1548 powershell.exe 2968 powershell.exe 2968 powershell.exe 4284 powershell.exe 4284 powershell.exe 6096 injector.exe 6096 injector.exe 6096 injector.exe 6096 injector.exe 6096 injector.exe 6096 injector.exe 5244 csrss.exe 5244 csrss.exe 6096 injector.exe 6096 injector.exe 6096 injector.exe 6096 injector.exe 6096 injector.exe 6096 injector.exe 5244 csrss.exe 5244 csrss.exe 6096 injector.exe 6096 injector.exe 5244 csrss.exe 5244 csrss.exe 6096 injector.exe 6096 injector.exe 6096 injector.exe 6096 injector.exe 6096 injector.exe 6096 injector.exe 6096 injector.exe 6096 injector.exe 6096 injector.exe 6096 injector.exe 6096 injector.exe 6096 injector.exe 6096 injector.exe 6096 injector.exe 6096 injector.exe 6096 injector.exe 6096 injector.exe 6096 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4588 powershell.exe Token: SeDebugPrivilege 4088 d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe Token: SeImpersonatePrivilege 4088 d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe Token: SeDebugPrivilege 2800 powershell.exe Token: SeDebugPrivilege 844 powershell.exe Token: SeDebugPrivilege 508 powershell.exe Token: SeDebugPrivilege 1548 powershell.exe Token: SeDebugPrivilege 2968 powershell.exe Token: SeDebugPrivilege 4284 powershell.exe Token: SeSystemEnvironmentPrivilege 5244 csrss.exe Token: SeSecurityPrivilege 5428 sc.exe Token: SeSecurityPrivilege 5428 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4088 wrote to memory of 4588 4088 d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe 82 PID 4088 wrote to memory of 4588 4088 d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe 82 PID 4088 wrote to memory of 4588 4088 d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe 82 PID 1060 wrote to memory of 2800 1060 d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe 87 PID 1060 wrote to memory of 2800 1060 d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe 87 PID 1060 wrote to memory of 2800 1060 d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe 87 PID 1060 wrote to memory of 5792 1060 d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe 90 PID 1060 wrote to memory of 5792 1060 d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe 90 PID 5792 wrote to memory of 1332 5792 cmd.exe 92 PID 5792 wrote to memory of 1332 5792 cmd.exe 92 PID 1060 wrote to memory of 844 1060 d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe 93 PID 1060 wrote to memory of 844 1060 d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe 93 PID 1060 wrote to memory of 844 1060 d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe 93 PID 1060 wrote to memory of 508 1060 d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe 95 PID 1060 wrote to memory of 508 1060 d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe 95 PID 1060 wrote to memory of 508 1060 d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe 95 PID 1060 wrote to memory of 5244 1060 d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe 97 PID 1060 wrote to memory of 5244 1060 d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe 97 PID 1060 wrote to memory of 5244 1060 d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe 97 PID 5244 wrote to memory of 1548 5244 csrss.exe 98 PID 5244 wrote to memory of 1548 5244 csrss.exe 98 PID 5244 wrote to memory of 1548 5244 csrss.exe 98 PID 5244 wrote to memory of 2968 5244 csrss.exe 104 PID 5244 wrote to memory of 2968 5244 csrss.exe 104 PID 5244 wrote to memory of 2968 5244 csrss.exe 104 PID 5244 wrote to memory of 4284 5244 csrss.exe 106 PID 5244 wrote to memory of 4284 5244 csrss.exe 106 PID 5244 wrote to memory of 4284 5244 csrss.exe 106 PID 5244 wrote to memory of 6096 5244 csrss.exe 108 PID 5244 wrote to memory of 6096 5244 csrss.exe 108 PID 4032 wrote to memory of 1068 4032 windefender.exe 114 PID 4032 wrote to memory of 1068 4032 windefender.exe 114 PID 4032 wrote to memory of 1068 4032 windefender.exe 114 PID 1068 wrote to memory of 5428 1068 cmd.exe 115 PID 1068 wrote to memory of 5428 1068 cmd.exe 115 PID 1068 wrote to memory of 5428 1068 cmd.exe 115 -
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\d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe"C:\Users\Admin\AppData\Local\Temp\d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4088 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4588
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C:\Users\Admin\AppData\Local\Temp\d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.exe"C:\Users\Admin\AppData\Local\Temp\d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e.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:1060 -
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:2800
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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:5792 -
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:1332
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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:844
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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:508
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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:5244 -
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:1548
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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:1540
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3284
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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:2968
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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:4284
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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:6096
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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:5872
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4032 -
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:1068 -
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:5428
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:5732
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
MD5ea7c344e7b4fb02223598c205aa0bc54
SHA1681d7255ba33b5289d01d9694fecaee5cfd8bf16
SHA256ad7f9f893add0f1e85f23b4940b038dfeb0690088a9c519a3a50b40873810bb8
SHA512ad23ba625eeb483b71843714183bfaf0ed06c3ae072e8601ea681bc02afd0a7ab45ca2c8ecc8e6bbf1a4040b3e79ddbc43c90edae58918ce126c600b6cf3574e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59bc1bb494549982fb8f0835e1425b7db
SHA1d74615402f97536c0688323433726f86dffad800
SHA2562f9d36411007dde46d483f16cba2cbc5d6b59c2433ed46877ea119e0acb45cff
SHA51298a2f92664c65d98513636214170f0043d3b47bc7a58d52c81416fbc6956df89c7efb3d8143d3c8aae32b320da8c0ef13f049071475a35ec8bdb701f4feaa45d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fcedf7e16db8eb03804c7ec2ca91591e
SHA12114832ab2b499945455784988f18ffa45e740cd
SHA256f19f062843bf744dbe1890b7985fec34b71c7a08770b32f1af7bee8f49dab367
SHA5128c90f619f31f1e38ae8c23782b91966e9fecc1b59d41492eb59bdd771a6cb703c4a5ff9a71cdccdb65410b61de24f63e6b23744e34c94957b0483333b89853ee
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD552e4c6cf3cec514d747d85ef59a1ce4e
SHA16ce88d6bda52c820043fc1da11ff1cca73c29f79
SHA25645febe4fbe16482447c6a666298d8608f6d3e4fde777f2f47c3c6555e77e8e3d
SHA51220f51a8d21a5b1c8b9aa800c001f0524cbd40261555b444fcd8091337bcfd960054c398a9772ff3a72afe675bb2e2b7499b154ea12da1a548f7ef6782d77b4d4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55808ea3043f354ae92e0d43a3b9562b3
SHA1f84483934e172a174074879cc4fd4f0049504274
SHA2567538798d56f9796ff0b4e8a4e5f8522cd8a492ea0133ca1982dc8aa5ce3d1ed2
SHA512b006050d699850f85b1369cdb3939566655c90c118b5593467f7865378c77a9f4b3c0d1ccc6b17c94c859160ce99f18b2deeccf49c24f0f2c4f7bdda0262454a
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Filesize
4.2MB
MD51de3eaebddb8b0059fb279548dae5c5c
SHA1d87c6c276c28d515be6bea13f4b9afcb7421ff2e
SHA256d45911b03039aececd390f2613049358f9f31e5a1a7f7c56ad9323f1643d222e
SHA51219d9ee019cffa93ba2bc205bf3dabf0b1f7719ab533348e37927aee4db5fd951980eacd152c70171ec6fded885fdafb0cfc541473f667e25946c66a3fd593be2
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec