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Analysis
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max time kernel
150s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
13/05/2024, 08:15
Static task
static1
Behavioral task
behavioral1
Sample
e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe
Resource
win10v2004-20240508-en
General
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Target
e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe
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Size
4.1MB
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MD5
7541538ddfa3ad0a8a06510f21d09af6
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SHA1
efdb3d389a6195cef384c6f6302970b5dd2da0c4
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SHA256
e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0
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SHA512
1dc5cb34b6cf789a9bbb3a914e3b573c8c03cbe77dbdc69ad12dc0dfebc5bb934188c3842294262b6f4e77560f935aab016622bd3a635a57df04e0a4e5668f90
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SSDEEP
98304:GgM/blCAdFSJmt0OsliBYyKZy/tSUiaeQ3u9:GgICAdFSJmyOr9bdiaeQ3K
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/2724-2-0x0000000005120000-0x0000000005A0B000-memory.dmp family_glupteba behavioral1/memory/2724-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2724-4-0x0000000000400000-0x0000000002EDC000-memory.dmp family_glupteba behavioral1/memory/2724-58-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2724-59-0x0000000005120000-0x0000000005A0B000-memory.dmp family_glupteba behavioral1/memory/2724-56-0x0000000000400000-0x0000000002EDC000-memory.dmp family_glupteba behavioral1/memory/3804-83-0x0000000000400000-0x0000000002EDC000-memory.dmp family_glupteba behavioral1/memory/3804-138-0x0000000000400000-0x0000000002EDC000-memory.dmp family_glupteba behavioral1/memory/3880-166-0x0000000000400000-0x0000000002EDC000-memory.dmp family_glupteba behavioral1/memory/3880-224-0x0000000000400000-0x0000000002EDC000-memory.dmp family_glupteba behavioral1/memory/3880-233-0x0000000000400000-0x0000000002EDC000-memory.dmp family_glupteba behavioral1/memory/3880-234-0x0000000000400000-0x0000000002EDC000-memory.dmp family_glupteba behavioral1/memory/3880-236-0x0000000000400000-0x0000000002EDC000-memory.dmp family_glupteba behavioral1/memory/3880-238-0x0000000000400000-0x0000000002EDC000-memory.dmp family_glupteba behavioral1/memory/3880-241-0x0000000000400000-0x0000000002EDC000-memory.dmp family_glupteba behavioral1/memory/3880-243-0x0000000000400000-0x0000000002EDC000-memory.dmp family_glupteba behavioral1/memory/3880-244-0x0000000000400000-0x0000000002EDC000-memory.dmp family_glupteba behavioral1/memory/3880-246-0x0000000000400000-0x0000000002EDC000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3456 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3880 csrss.exe 4740 injector.exe 2272 windefender.exe 3692 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023415-227.dat upx behavioral1/memory/2272-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3692-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2272-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3692-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3692-239-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\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 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 -
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 e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe File created C:\Windows\rss\csrss.exe e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.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 4688 sc.exe -
pid Process 3008 powershell.exe 3144 powershell.exe 4716 powershell.exe 2400 powershell.exe 4840 powershell.exe 2404 powershell.exe 5096 powershell.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 3212 schtasks.exe 1148 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.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\2a\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.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\2a\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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\2a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2400 powershell.exe 2400 powershell.exe 2724 e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe 2724 e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe 4840 powershell.exe 4840 powershell.exe 3804 e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe 3804 e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe 3804 e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe 3804 e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe 3804 e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe 3804 e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe 3804 e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe 3804 e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe 3804 e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe 3804 e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe 2404 powershell.exe 2404 powershell.exe 5096 powershell.exe 5096 powershell.exe 3008 powershell.exe 3008 powershell.exe 3144 powershell.exe 3144 powershell.exe 4716 powershell.exe 4716 powershell.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 3880 csrss.exe 3880 csrss.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 3880 csrss.exe 3880 csrss.exe 4740 injector.exe 4740 injector.exe 3880 csrss.exe 3880 csrss.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe 4740 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2400 powershell.exe Token: SeDebugPrivilege 2724 e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe Token: SeImpersonatePrivilege 2724 e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe Token: SeDebugPrivilege 4840 powershell.exe Token: SeDebugPrivilege 2404 powershell.exe Token: SeDebugPrivilege 5096 powershell.exe Token: SeDebugPrivilege 3008 powershell.exe Token: SeDebugPrivilege 3144 powershell.exe Token: SeDebugPrivilege 4716 powershell.exe Token: SeSystemEnvironmentPrivilege 3880 csrss.exe Token: SeSecurityPrivilege 4688 sc.exe Token: SeSecurityPrivilege 4688 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2724 wrote to memory of 2400 2724 e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe 90 PID 2724 wrote to memory of 2400 2724 e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe 90 PID 2724 wrote to memory of 2400 2724 e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe 90 PID 3804 wrote to memory of 4840 3804 e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe 95 PID 3804 wrote to memory of 4840 3804 e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe 95 PID 3804 wrote to memory of 4840 3804 e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe 95 PID 3804 wrote to memory of 2836 3804 e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe 98 PID 3804 wrote to memory of 2836 3804 e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe 98 PID 2836 wrote to memory of 3456 2836 cmd.exe 100 PID 2836 wrote to memory of 3456 2836 cmd.exe 100 PID 3804 wrote to memory of 2404 3804 e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe 101 PID 3804 wrote to memory of 2404 3804 e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe 101 PID 3804 wrote to memory of 2404 3804 e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe 101 PID 3804 wrote to memory of 5096 3804 e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe 103 PID 3804 wrote to memory of 5096 3804 e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe 103 PID 3804 wrote to memory of 5096 3804 e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe 103 PID 3804 wrote to memory of 3880 3804 e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe 105 PID 3804 wrote to memory of 3880 3804 e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe 105 PID 3804 wrote to memory of 3880 3804 e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe 105 PID 3880 wrote to memory of 3008 3880 csrss.exe 107 PID 3880 wrote to memory of 3008 3880 csrss.exe 107 PID 3880 wrote to memory of 3008 3880 csrss.exe 107 PID 3880 wrote to memory of 3144 3880 csrss.exe 113 PID 3880 wrote to memory of 3144 3880 csrss.exe 113 PID 3880 wrote to memory of 3144 3880 csrss.exe 113 PID 3880 wrote to memory of 4716 3880 csrss.exe 115 PID 3880 wrote to memory of 4716 3880 csrss.exe 115 PID 3880 wrote to memory of 4716 3880 csrss.exe 115 PID 3880 wrote to memory of 4740 3880 csrss.exe 117 PID 3880 wrote to memory of 4740 3880 csrss.exe 117 PID 2272 wrote to memory of 3196 2272 windefender.exe 123 PID 2272 wrote to memory of 3196 2272 windefender.exe 123 PID 2272 wrote to memory of 3196 2272 windefender.exe 123 PID 3196 wrote to memory of 4688 3196 cmd.exe 124 PID 3196 wrote to memory of 4688 3196 cmd.exe 124 PID 3196 wrote to memory of 4688 3196 cmd.exe 124 -
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\e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe"C:\Users\Admin\AppData\Local\Temp\e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2724 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2400
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C:\Users\Admin\AppData\Local\Temp\e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.exe"C:\Users\Admin\AppData\Local\Temp\e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0.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:3804 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4840
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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:2836 -
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:3456
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2404
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5096
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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:3880 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3008
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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:3212
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:844
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3144
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4716
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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:4740
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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:1148
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2272 -
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:3196 -
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:4688
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3692
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
MD5c3848e7892c96bf8ac4bb3e8fa2ddc1a
SHA1e0cf410d1a4d69ff71748580927cb526733d69d2
SHA256edd77aa96fdf2a8108792526c7045d4a00e95ce905ddb96219a9e8e39abbc3f5
SHA5126f671aca173868ff6ba604b7c7aaec11b9e36f2a07f94d5ac64a79db4ab341ccae18f7887e7dc7708e7d63cfa2d8c6e9301a9966d4d9a02b63281610f512ff61
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56ae98ae5a747723a208aeee652f95b68
SHA1d21f6aaef88f52e759e86ee836a33e10fe10eef2
SHA2569543a7ed067e7c1cba17b9ac1c8e452c748a78a6256577c2683cdb9ef33e1bf6
SHA5124a66082e4677d3f3514ae5432b7febac20717795dd043774c9f4c3765005c2c9dcbbb5ec1c75028f18318d605b54a30528b6fb3f48aca706f7b2f66f80779353
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57247ded9e2d2d6bca958bb9874cee8e7
SHA1ff5a2dcede4bcb14fa911242c0be4d8a26c83b2c
SHA2567b2c78cc2c3c7de466cf056092148246805d26ff56f00b723a83d966b42f8bb3
SHA512530efd590ebb387f1ae182b738e58adf76ada34e30653cbca12d46ac7d2b23e0b00afe9ca888e7ed95d215e5a589c9d08143625ffd8c37a087443b3496d959cc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54b19f9a3bbb693b3aff726c16931fefe
SHA1430fc1128b927466f8d3f5fb6047d868f51bbe09
SHA2564082cc835ff7969e6b108ea0f38a7d82ce2ef2b8b010e862d88d7c1ae644e3c1
SHA512f50493df01aa45d74e879a28a253bebdcb018d06df8a287cd4a82908e496672966b2e26bfd482764092e4225fce53c557ea411ecc91abb8aa4be9e2cbe98a25a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD558e155404e43480d34f952a3e88585ad
SHA1dfbf3071a3807702cdae98b97eab2a701ee79cc4
SHA2568a8ef8f3e96af3547e241617215f923155dd82597d40c4f9bd7e5529beafb5f6
SHA51230c443f3cf1eaf886152d437973d20517641e47f1aec06a28ae9052f41de26e3edad2ff304cc095bf95cd3304535c0346350d1e62b998255c1091af39c508b7f
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Filesize
4.1MB
MD57541538ddfa3ad0a8a06510f21d09af6
SHA1efdb3d389a6195cef384c6f6302970b5dd2da0c4
SHA256e142ab935165fc7e1a147005f34736b29747f42aeb3fb295a0087f2d11ec78d0
SHA5121dc5cb34b6cf789a9bbb3a914e3b573c8c03cbe77dbdc69ad12dc0dfebc5bb934188c3842294262b6f4e77560f935aab016622bd3a635a57df04e0a4e5668f90
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec