Analysis
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max time kernel
149s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
18-05-2024 21:13
Static task
static1
Behavioral task
behavioral1
Sample
4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe
Resource
win10v2004-20240508-en
General
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Target
4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe
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Size
4.1MB
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MD5
7b76e415605a4de7d208a5ee1af2d836
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SHA1
822bce5cc1bdd6d71e04c3a30e129887e7ce4ebc
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SHA256
4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960
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SHA512
ecdaab84ef5076551e5eeccab60aa23efc72e1d964b70c148cbc7c3c9c6adc173f26c00a70a5cbaa444eed46894b8a459ff1314fff6db32a714c149f7296ecca
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SSDEEP
98304:jmSOHuT7egJLhRTCVEkOCdqjiWtSbuAFmh92Z:j0ObLh9WfG/tSdeO
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/2328-2-0x0000000004A10000-0x00000000052FB000-memory.dmp family_glupteba behavioral1/memory/2328-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2328-43-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2328-44-0x0000000004A10000-0x00000000052FB000-memory.dmp family_glupteba behavioral1/memory/2328-41-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1840-125-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/4080-210-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/4080-220-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/4080-221-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/4080-224-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/4080-226-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/4080-228-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/4080-229-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/4080-232-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/4080-234-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/4080-236-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/4080-237-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/4080-240-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/4080-242-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4328 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4080 csrss.exe 5100 injector.exe 3844 windefender.exe 1988 windefender.exe -
resource yara_rule behavioral1/files/0x0007000000023406-213.dat upx behavioral1/memory/3844-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1988-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3844-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1988-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1988-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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 -
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 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.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 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe File created C:\Windows\rss\csrss.exe 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4652 sc.exe -
pid Process 1744 powershell.exe 4176 powershell.exe 552 powershell.exe 4528 powershell.exe 1092 powershell.exe 3348 powershell.exe 4372 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2928 3348 WerFault.exe 85 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4380 schtasks.exe 1612 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\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs 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,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.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,-442 = "Arabian Standard Time" windefender.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\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3348 powershell.exe 3348 powershell.exe 2328 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 2328 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 4372 powershell.exe 4372 powershell.exe 1840 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 1840 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 1840 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 1840 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 1840 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 1840 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 1840 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 1840 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 1840 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 1840 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 1744 powershell.exe 1744 powershell.exe 1744 powershell.exe 4176 powershell.exe 4176 powershell.exe 4176 powershell.exe 552 powershell.exe 552 powershell.exe 4528 powershell.exe 4528 powershell.exe 1092 powershell.exe 1092 powershell.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 4080 csrss.exe 4080 csrss.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 4080 csrss.exe 4080 csrss.exe 5100 injector.exe 5100 injector.exe 4080 csrss.exe 4080 csrss.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe 5100 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3348 powershell.exe Token: SeDebugPrivilege 2328 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe Token: SeImpersonatePrivilege 2328 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe Token: SeDebugPrivilege 4372 powershell.exe Token: SeDebugPrivilege 1744 powershell.exe Token: SeDebugPrivilege 4176 powershell.exe Token: SeDebugPrivilege 552 powershell.exe Token: SeDebugPrivilege 4528 powershell.exe Token: SeDebugPrivilege 1092 powershell.exe Token: SeSystemEnvironmentPrivilege 4080 csrss.exe Token: SeSecurityPrivilege 4652 sc.exe Token: SeSecurityPrivilege 4652 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2328 wrote to memory of 3348 2328 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 85 PID 2328 wrote to memory of 3348 2328 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 85 PID 2328 wrote to memory of 3348 2328 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 85 PID 1840 wrote to memory of 4372 1840 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 98 PID 1840 wrote to memory of 4372 1840 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 98 PID 1840 wrote to memory of 4372 1840 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 98 PID 1840 wrote to memory of 2792 1840 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 103 PID 1840 wrote to memory of 2792 1840 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 103 PID 2792 wrote to memory of 4328 2792 cmd.exe 106 PID 2792 wrote to memory of 4328 2792 cmd.exe 106 PID 1840 wrote to memory of 1744 1840 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 107 PID 1840 wrote to memory of 1744 1840 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 107 PID 1840 wrote to memory of 1744 1840 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 107 PID 1840 wrote to memory of 4176 1840 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 110 PID 1840 wrote to memory of 4176 1840 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 110 PID 1840 wrote to memory of 4176 1840 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 110 PID 1840 wrote to memory of 4080 1840 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 112 PID 1840 wrote to memory of 4080 1840 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 112 PID 1840 wrote to memory of 4080 1840 4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe 112 PID 4080 wrote to memory of 552 4080 csrss.exe 113 PID 4080 wrote to memory of 552 4080 csrss.exe 113 PID 4080 wrote to memory of 552 4080 csrss.exe 113 PID 4080 wrote to memory of 4528 4080 csrss.exe 119 PID 4080 wrote to memory of 4528 4080 csrss.exe 119 PID 4080 wrote to memory of 4528 4080 csrss.exe 119 PID 4080 wrote to memory of 1092 4080 csrss.exe 121 PID 4080 wrote to memory of 1092 4080 csrss.exe 121 PID 4080 wrote to memory of 1092 4080 csrss.exe 121 PID 4080 wrote to memory of 5100 4080 csrss.exe 123 PID 4080 wrote to memory of 5100 4080 csrss.exe 123 PID 3844 wrote to memory of 3640 3844 windefender.exe 130 PID 3844 wrote to memory of 3640 3844 windefender.exe 130 PID 3844 wrote to memory of 3640 3844 windefender.exe 130 PID 3640 wrote to memory of 4652 3640 cmd.exe 131 PID 3640 wrote to memory of 4652 3640 cmd.exe 131 PID 3640 wrote to memory of 4652 3640 cmd.exe 131 -
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\4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe"C:\Users\Admin\AppData\Local\Temp\4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2328 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3348 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3348 -s 26523⤵
- Program crash
PID:2928
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C:\Users\Admin\AppData\Local\Temp\4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.exe"C:\Users\Admin\AppData\Local\Temp\4647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960.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:1840 -
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:4372
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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:2792 -
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:4328
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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:1744
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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:4176
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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:4080 -
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:552
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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:4380
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4432
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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:4528
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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:1092
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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:5100
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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:1612
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3844 -
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:3640 -
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:4652
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3348 -ip 33481⤵PID:1736
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1988
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
MD5da11f5e1eb46765c14bf60141a3ae412
SHA1343548f12c7e022957a3e1869dc90cc35aa89383
SHA256bcf48ff9004413d1ec9096f2a04e80cf4acf4afe1b5ff3c7dcd1a40d82a51898
SHA5123336e7c23ce04a6669bbc75e472ad894de0635038338f4fc85c9bd8cba6a9d0257d384f26c1a3a8fc85cc3d64cfa46efc94241682bbd18b91916dd28296e3ba8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b8dea31fd946b1937089f10ecc3159f4
SHA1439a8b8845d478e293cc3cd36c902b6db1ac85f0
SHA25694ad3915bbd0c31c5140326ac1ecb1b96351b1866333e231657a5742f5ad73f4
SHA512ef67fc4e4e5a490bf5cbce608036f69c6814bae6bb57751de59fbab2865adfc0b740dcc9734376f8344544c7106aef54809612877666a53a3a5926afa250c712
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD598e73db77d1521ab488ccdc589cd342a
SHA1229029b595a975330d7f04bbfceeb1f7d96af3dd
SHA256618ae29a43a78fd977610896841da4a9a8848460744dde31a5e8b3a77fa78de2
SHA512ca5c2fc201828cb9808118ed181bf08d294dc8c7ce4d27e5e40807126b02a3ff4414c79f75764fd423147a717462846168486201d9b6eb87262e1a5ced1bf976
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5029b6ef47803afb49288653d7ffdcda0
SHA15f1a0fa8961e92d718926dcf08439e7179d2d87e
SHA2563001f1a2eedab0c036e400c9d6c2526feca82993c670e54870ed60cabd07e372
SHA51230a6128998ef2a8b622aa0dcd62d7833af50d97f267299c9fa5c87bfd5deb5da6a8bf213143dd7b4b917b9e083d59f18292b4b6eeebf95d55922241ccc1e7796
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5edd0326a34299b0984db33e9a2f231a3
SHA10cd0f99c6e4ea14ab4f3648b8dbc402c309ac8ac
SHA2567927954ae4a00fd0ae0a5245795d529494296f16b63d04867c8599930b772d41
SHA5127c147309a09d73a9bf8d0bad285d58ad338cd8d222df896bb39da5b20b60fdb1edd0f8a13874c94835b77d18bb6e8fe5abed407f35fc8e720edf0392d118e9b1
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Filesize
4.1MB
MD57b76e415605a4de7d208a5ee1af2d836
SHA1822bce5cc1bdd6d71e04c3a30e129887e7ce4ebc
SHA2564647c955762b58ae97a5b4535f98dae47c24af27d354d1bf135b3c3cf6469960
SHA512ecdaab84ef5076551e5eeccab60aa23efc72e1d964b70c148cbc7c3c9c6adc173f26c00a70a5cbaa444eed46894b8a459ff1314fff6db32a714c149f7296ecca
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec