Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
28/03/2024, 07:46
Static task
static1
Behavioral task
behavioral1
Sample
3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe
Resource
win10v2004-20240226-en
General
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Target
3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe
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Size
4.2MB
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MD5
0cf89b056c66bef40dedb8afc4f57eb6
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SHA1
d73ac89a4da0b120f296e9b0cb591aaa75d811e4
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SHA256
3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64
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SHA512
c11018a73ad05029644a4d43839e3e65a7692202e719c40db5d9af67f0111a4252f17de36fa4a3315ed89ed5a34df99c6fdd7666b8c06f19c9b72b6244744915
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SSDEEP
98304:Jak2rBgQfQBO+kzrSFtHCULP6tfKPz4QF3r9WIw5oNx+N:Uz5TBz4iULCtkz4QV5Wt5ofc
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/1868-2-0x0000000003170000-0x0000000003A5B000-memory.dmp family_glupteba behavioral1/memory/1868-3-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral1/memory/3108-57-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral1/memory/1868-58-0x0000000003170000-0x0000000003A5B000-memory.dmp family_glupteba behavioral1/memory/1868-72-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral1/memory/3108-137-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral1/memory/3108-156-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral1/memory/1712-259-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral1/memory/1712-268-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral1/memory/1712-271-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral1/memory/1712-274-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral1/memory/1712-277-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral1/memory/1712-280-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral1/memory/1712-282-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral1/memory/1712-285-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral1/memory/1712-289-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral1/memory/1712-292-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral1/memory/1712-295-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral1/memory/1712-298-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba behavioral1/memory/1712-300-0x0000000000400000-0x0000000000ED4000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4528 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1712 csrss.exe 4728 injector.exe 32 windefender.exe 1052 windefender.exe -
resource yara_rule behavioral1/files/0x0009000000023256-262.dat upx behavioral1/memory/32-267-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1052-272-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1052-278-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\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 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 -
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 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe File created C:\Windows\rss\csrss.exe 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.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 2464 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 4864 schtasks.exe 2400 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\22\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-334 = "Jordan 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\22\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs 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\22\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\22\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3704 powershell.exe 3704 powershell.exe 1868 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 1868 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 888 powershell.exe 888 powershell.exe 3108 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 3108 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 3108 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 3108 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 3108 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 3108 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 3108 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 3108 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 3108 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 3108 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 4160 powershell.exe 4160 powershell.exe 4880 powershell.exe 4880 powershell.exe 1832 powershell.exe 1832 powershell.exe 2056 powershell.exe 2056 powershell.exe 4456 powershell.exe 4456 powershell.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 1712 csrss.exe 1712 csrss.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 1712 csrss.exe 1712 csrss.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 1712 csrss.exe 1712 csrss.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe 4728 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3704 powershell.exe Token: SeDebugPrivilege 1868 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe Token: SeImpersonatePrivilege 1868 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe Token: SeDebugPrivilege 888 powershell.exe Token: SeDebugPrivilege 4160 powershell.exe Token: SeDebugPrivilege 4880 powershell.exe Token: SeDebugPrivilege 1832 powershell.exe Token: SeDebugPrivilege 2056 powershell.exe Token: SeDebugPrivilege 4456 powershell.exe Token: SeSystemEnvironmentPrivilege 1712 csrss.exe Token: SeSecurityPrivilege 2464 sc.exe Token: SeSecurityPrivilege 2464 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1868 wrote to memory of 3704 1868 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 89 PID 1868 wrote to memory of 3704 1868 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 89 PID 1868 wrote to memory of 3704 1868 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 89 PID 3108 wrote to memory of 888 3108 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 99 PID 3108 wrote to memory of 888 3108 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 99 PID 3108 wrote to memory of 888 3108 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 99 PID 3108 wrote to memory of 1888 3108 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 101 PID 3108 wrote to memory of 1888 3108 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 101 PID 1888 wrote to memory of 4528 1888 cmd.exe 103 PID 1888 wrote to memory of 4528 1888 cmd.exe 103 PID 3108 wrote to memory of 4160 3108 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 104 PID 3108 wrote to memory of 4160 3108 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 104 PID 3108 wrote to memory of 4160 3108 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 104 PID 3108 wrote to memory of 4880 3108 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 106 PID 3108 wrote to memory of 4880 3108 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 106 PID 3108 wrote to memory of 4880 3108 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 106 PID 3108 wrote to memory of 1712 3108 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 108 PID 3108 wrote to memory of 1712 3108 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 108 PID 3108 wrote to memory of 1712 3108 3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe 108 PID 1712 wrote to memory of 1832 1712 csrss.exe 109 PID 1712 wrote to memory of 1832 1712 csrss.exe 109 PID 1712 wrote to memory of 1832 1712 csrss.exe 109 PID 1712 wrote to memory of 2056 1712 csrss.exe 115 PID 1712 wrote to memory of 2056 1712 csrss.exe 115 PID 1712 wrote to memory of 2056 1712 csrss.exe 115 PID 1712 wrote to memory of 4456 1712 csrss.exe 117 PID 1712 wrote to memory of 4456 1712 csrss.exe 117 PID 1712 wrote to memory of 4456 1712 csrss.exe 117 PID 1712 wrote to memory of 4728 1712 csrss.exe 119 PID 1712 wrote to memory of 4728 1712 csrss.exe 119 PID 32 wrote to memory of 2504 32 windefender.exe 126 PID 32 wrote to memory of 2504 32 windefender.exe 126 PID 32 wrote to memory of 2504 32 windefender.exe 126 PID 2504 wrote to memory of 2464 2504 cmd.exe 127 PID 2504 wrote to memory of 2464 2504 cmd.exe 127 PID 2504 wrote to memory of 2464 2504 cmd.exe 127 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe"C:\Users\Admin\AppData\Local\Temp\3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1868 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3704
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C:\Users\Admin\AppData\Local\Temp\3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.exe"C:\Users\Admin\AppData\Local\Temp\3949c37bb29511d9d08a8967b10a007b6775aa6ae5ffcd8bf2f939c0614e0d64.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:3108 -
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:888
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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:1888 -
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:4528
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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:4160
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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:4880
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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:1712 -
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:1832
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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:4864
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1536
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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:2056
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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:4456
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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:4728
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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:2400
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:32 -
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:2504 -
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:2464
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1052
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
MD51e00aa529ddcf2a77822645e94497075
SHA1d68fe6a4b7ffa64f79c568f9cda27844fa921dff
SHA256a77e3286effe73cef5bbba307b85d2f150009fc6c5c155c72c7633cf9a6ac247
SHA512c55afb1574872679e5a6422a09aa7255762308baab9234e2d34df2fedf8609aa13c0e3576b178bf78d5e58ab56a3503361a12847b2041cbec15a44ee702d4548
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59591611fb5c95ec42f5a25bd1fc656a7
SHA1d5d06af1e9cb7d57e8f8da9d1090de49cb64349b
SHA25653770ac0d9a5931413357f6f6c3af7b7339d9536e490b970e78535384f95d61f
SHA512825a73ce367218a0b24d30bf2aa97eec2cdc78617a06eca04d5538173a2c420644d7fed34378ce26a1845be72fc5a77d78026db48ca5ef9e0895586d962b2598
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c8909e182ca2670e47f5b756eee3e09c
SHA127771f5040505f85514570ca5bff45f743154eaa
SHA25639d402aa1e72fe77dcbee16b31b9f67658144f7456a38784b380406c9171707a
SHA512684a48eb809054f6ea105c0ab5b11169d1ba39fb03b9ca9c2ad6def1755502cecdc98eae2e3d54dc2be77b7cb7b185e98f590d33e6910ea8df3ba81eab856041
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5580fac87d1163dbc8a71f85b0acf0476
SHA168285deb726dbcfbd567e0bb5277db86b54e9368
SHA25641740cb69e63630d8627c957c627625a25bd5a8709082cc3eab2a1b2149767d9
SHA51272233ec760ffb22919bb0f5d954bf6ba981cf4186a78f18f191100f69ba99ea75c2f3ce6133e2b567484d27f112cef1058f878d7952f30f336bcf161ea12014b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ea6aa9fb160c1cd5730986d8e4838ca3
SHA1ee999455554a9d6cb15469b0d71099c8b470a341
SHA256065492107a6f99373d5c907d0de8e9133b21f55cdc2d820629c16a028bee3a99
SHA512ad8b1bc9bd3ea7fe55e5163fc73b974dddcad3cb749b069c2f676bfa745fdb7bcaed102f43202c69c394feca97086902f0a6d1b67b9a63e022c964546a916bdf
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Filesize
4.0MB
MD5dc3b6fab604ae31568eebd5a4bc2ca1d
SHA13faee9e0a9e29a629e379bf703d3d965fa00667e
SHA256655c5437d778f43cd4f3887e43acb089b214b487e6b051efa2c2fc1b40a7de7b
SHA5126a4cad618563feb21351e493b5099eea8d3a698cb6e1c00b6fbad665a74e144f5f71cfcb6c326e63318ae01efaea4ab3713ba9f431b3e8f287c5ba072c0b8c45
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Filesize
4.1MB
MD545c61c83eba2550cc0e2c66695c0d9cd
SHA146fc10bc2c7149665883e85f52befce22540ec1f
SHA25633ee51caa7faa0c5634be191e3a555e289d152e3f214a1b4e58e5322d3cde44e
SHA512ced7c42652b8309177f086fc8e148b5859c00b0fc24d03276595085971c8730fc866c40a9b846bac7a060081850670351d587ae5f36e5db160bb3c067acdcfcb
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec