Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 13:24
Static task
static1
Behavioral task
behavioral1
Sample
949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe
Resource
win10v2004-20240508-en
General
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Target
949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe
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Size
4.1MB
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MD5
1ff97a9a48a8a195b078710b6b737107
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SHA1
b313161f322790b09ccb1d847799df6c9535aadc
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SHA256
949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd
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SHA512
d6800c20afa86db257b2e60ebb044b2c27705e3063cb4e1a008265407e2ecc2aa0e14602163defc29ac3d61531fbc36bec04961d209e43472c0842731e17b7d9
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SSDEEP
98304:EQJMl/iXMhTmfDhNRe9xfYVEx7xkD10HZd3scl3XzHAtmo0F4:/b8hTmbBIxHPR3rn3oK4
Malware Config
Signatures
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Glupteba payload 15 IoCs
Processes:
resource yara_rule behavioral1/memory/3492-2-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/3492-51-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4380-79-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4380-131-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/5100-159-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/5100-217-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/5100-227-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/5100-229-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/5100-231-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/5100-233-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/5100-234-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/5100-237-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/5100-239-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/5100-241-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/5100-242-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 1116 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 5100 csrss.exe 3780 injector.exe 2244 windefender.exe 1776 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/2244-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1776-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2244-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1776-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1776-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1776-238-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\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.
Processes:
csrss.exedescription ioc process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe -
Drops file in Windows directory 4 IoCs
Processes:
949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.execsrss.exedescription ioc process File opened for modification C:\Windows\rss 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe File created C:\Windows\rss\csrss.exe 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.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.
Processes:
sc.exepid process 396 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 5032 powershell.exe 2824 powershell.exe 4596 powershell.exe 3968 powershell.exe 2020 powershell.exe 3784 powershell.exe 1200 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 2328 schtasks.exe 4556 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exepowershell.exewindefender.exe949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-232 = "Hawaiian 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,-982 = "Kamchatka Standard Time" 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.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,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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\2a\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard 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,-2001 = "Cabo Verde Daylight Time" 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe 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,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.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,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.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,-462 = "Afghanistan Standard Time" 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exepowershell.exe949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 2824 powershell.exe 2824 powershell.exe 2824 powershell.exe 3492 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe 3492 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe 4596 powershell.exe 4596 powershell.exe 4596 powershell.exe 4380 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe 4380 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe 4380 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe 4380 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe 4380 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe 4380 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe 4380 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe 4380 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe 4380 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe 4380 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe 3968 powershell.exe 3968 powershell.exe 3968 powershell.exe 2020 powershell.exe 2020 powershell.exe 2020 powershell.exe 3784 powershell.exe 3784 powershell.exe 3784 powershell.exe 1200 powershell.exe 1200 powershell.exe 1200 powershell.exe 5032 powershell.exe 5032 powershell.exe 5032 powershell.exe 3780 injector.exe 3780 injector.exe 3780 injector.exe 3780 injector.exe 3780 injector.exe 3780 injector.exe 5100 csrss.exe 5100 csrss.exe 3780 injector.exe 3780 injector.exe 3780 injector.exe 3780 injector.exe 3780 injector.exe 3780 injector.exe 5100 csrss.exe 5100 csrss.exe 3780 injector.exe 3780 injector.exe 3780 injector.exe 3780 injector.exe 3780 injector.exe 3780 injector.exe 5100 csrss.exe 5100 csrss.exe 3780 injector.exe 3780 injector.exe 3780 injector.exe 3780 injector.exe 3780 injector.exe 3780 injector.exe 3780 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 2824 powershell.exe Token: SeDebugPrivilege 3492 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe Token: SeImpersonatePrivilege 3492 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe Token: SeDebugPrivilege 4596 powershell.exe Token: SeDebugPrivilege 3968 powershell.exe Token: SeDebugPrivilege 2020 powershell.exe Token: SeDebugPrivilege 3784 powershell.exe Token: SeDebugPrivilege 1200 powershell.exe Token: SeDebugPrivilege 5032 powershell.exe Token: SeSystemEnvironmentPrivilege 5100 csrss.exe Token: SeSecurityPrivilege 396 sc.exe Token: SeSecurityPrivilege 396 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 3492 wrote to memory of 2824 3492 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe powershell.exe PID 3492 wrote to memory of 2824 3492 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe powershell.exe PID 3492 wrote to memory of 2824 3492 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe powershell.exe PID 4380 wrote to memory of 4596 4380 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe powershell.exe PID 4380 wrote to memory of 4596 4380 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe powershell.exe PID 4380 wrote to memory of 4596 4380 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe powershell.exe PID 4380 wrote to memory of 5096 4380 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe cmd.exe PID 4380 wrote to memory of 5096 4380 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe cmd.exe PID 5096 wrote to memory of 1116 5096 cmd.exe netsh.exe PID 5096 wrote to memory of 1116 5096 cmd.exe netsh.exe PID 4380 wrote to memory of 3968 4380 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe powershell.exe PID 4380 wrote to memory of 3968 4380 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe powershell.exe PID 4380 wrote to memory of 3968 4380 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe powershell.exe PID 4380 wrote to memory of 2020 4380 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe powershell.exe PID 4380 wrote to memory of 2020 4380 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe powershell.exe PID 4380 wrote to memory of 2020 4380 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe powershell.exe PID 4380 wrote to memory of 5100 4380 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe csrss.exe PID 4380 wrote to memory of 5100 4380 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe csrss.exe PID 4380 wrote to memory of 5100 4380 949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe csrss.exe PID 5100 wrote to memory of 3784 5100 csrss.exe powershell.exe PID 5100 wrote to memory of 3784 5100 csrss.exe powershell.exe PID 5100 wrote to memory of 3784 5100 csrss.exe powershell.exe PID 5100 wrote to memory of 1200 5100 csrss.exe powershell.exe PID 5100 wrote to memory of 1200 5100 csrss.exe powershell.exe PID 5100 wrote to memory of 1200 5100 csrss.exe powershell.exe PID 5100 wrote to memory of 5032 5100 csrss.exe powershell.exe PID 5100 wrote to memory of 5032 5100 csrss.exe powershell.exe PID 5100 wrote to memory of 5032 5100 csrss.exe powershell.exe PID 5100 wrote to memory of 3780 5100 csrss.exe injector.exe PID 5100 wrote to memory of 3780 5100 csrss.exe injector.exe PID 2244 wrote to memory of 4552 2244 windefender.exe cmd.exe PID 2244 wrote to memory of 4552 2244 windefender.exe cmd.exe PID 2244 wrote to memory of 4552 2244 windefender.exe cmd.exe PID 4552 wrote to memory of 396 4552 cmd.exe sc.exe PID 4552 wrote to memory of 396 4552 cmd.exe sc.exe PID 4552 wrote to memory of 396 4552 cmd.exe sc.exe -
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\949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe"C:\Users\Admin\AppData\Local\Temp\949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3492 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2824 -
C:\Users\Admin\AppData\Local\Temp\949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.exe"C:\Users\Admin\AppData\Local\Temp\949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd.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:4380 -
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:4596 -
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:5096 -
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:1116 -
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:3968 -
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:2020 -
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:5100 -
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:3784 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2328 -
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:1200 -
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:5032 -
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:3780 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4556 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2244 -
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:4552 -
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:396
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4256,i,18168883380598738769,14202261231630113808,262144 --variations-seed-version --mojo-platform-channel-handle=1036 /prefetch:81⤵PID:2484
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1776
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e1631c7b522942dd35904c726a97481a
SHA19e3e0c6cc488b829b5922db26bccf3c29f416436
SHA256a0aac8baab2cdc1dfd5862803ea124877412f554785b6d3fb904f1729dea2158
SHA5129fa631ae025ecd863c685db53c91f0f2c9a67bb24e71fa0163c539f6a489fc72ad6d68842ab34947bd33ea660e20f70862b1dd7390bd789f19c64bd1ba568754
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5120adbd09b0dbbb4e2ffd221923779a6
SHA1e8204d807d387d6c1daa317508fb3fe58ab36312
SHA2564215eea3908623911cd3e66ff3c31bf7bbc94fe207818521ee4ee8cacb3be93a
SHA512b1491b927ebaf93179126220bc6a391d4ac9d45c0c4e964155fdfc5887030402e9420ae1ee7253ffa75b01a889a90775f3f10346ddf897fa878ce05ad88f904d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD577d5ea301de78b8f189b85f9efa4387f
SHA1cf46caac75f3ecdc9b033113f4c1395cc8964a18
SHA2563ea02340fcae0cdb677f1bd91ad0f47eb1c54aab24fdd351afd65442f8d19994
SHA512d202b654abf8a9e62fb0f076fbd5d5c55d5433604de5803432748519a107d70b16eec5858e58690b137d583f1cc578e231a2d2c6884ba8019d65085e3a0cf927
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5378bab687ff2e7a47af70fdde9ad164e
SHA1e53b792bd023285a2712967506b6ad283f7b3641
SHA2565c929738002ba9275c18a6ab113c9233f390f00ad795f8ded24edd1a638909c4
SHA51226f9d9bfc55a596ca037bfac2efd8f4c71807c2b493660dce24cd96308678558a5399ebcd331def732a6121f866eee32161aa553b4bfb23ccf1f100fcb4476e4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD504a936b4b0016a75fd3b0270ad634b6c
SHA174e82422bdd76476690d196198c05dee0eaa13d6
SHA256604b82e060d352e85f0c4887bdcdff84ae523a93bb5a412b198789f257249e1e
SHA512b52b96ef8e60104b61ac01f1238fdc0467f8e41dab2fa292acd5e59125c6467d102dfdbad1e87e7925778ad5721fb4e48f08673b96ae394083cacc889750b399
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Filesize
4.1MB
MD51ff97a9a48a8a195b078710b6b737107
SHA1b313161f322790b09ccb1d847799df6c9535aadc
SHA256949d2aaf5120bdfffb4c74c0886a49f3d03689383af8f2aa54fef104ffc6e8dd
SHA512d6800c20afa86db257b2e60ebb044b2c27705e3063cb4e1a008265407e2ecc2aa0e14602163defc29ac3d61531fbc36bec04961d209e43472c0842731e17b7d9
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec