Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 13:58
Static task
static1
Behavioral task
behavioral1
Sample
611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe
Resource
win10v2004-20240426-en
General
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Target
611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe
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Size
4.1MB
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MD5
fe15efaa69e82c58a1b87b13d6e63e74
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SHA1
9edf9ffe99b3714762f427126cc3dde316ed4dbf
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SHA256
611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490
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SHA512
4fc73bf39aac7dca98483238913663932bf3c3026d7e6d026d80570329d3afd6d1197beee95a1e042d20b2888a0a0ac0f79bc04125d06ff2ad654e636c8614c6
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SSDEEP
98304:kNaXJU8AJvaro5mDbVFqT6QhicqJuM7BOvJODhfBAiYJAl59WP:kqU8A9EamDpImBOY9f2NP
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/512-2-0x0000000004800000-0x00000000050EB000-memory.dmp family_glupteba behavioral1/memory/512-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4728-132-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/512-157-0x0000000004800000-0x00000000050EB000-memory.dmp family_glupteba behavioral1/memory/512-156-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/512-214-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/864-216-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/864-226-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/864-229-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/864-232-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/864-235-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/864-238-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/864-241-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/864-244-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/864-247-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/864-250-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/864-253-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/864-256-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/864-259-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 4236 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 864 csrss.exe 4292 injector.exe 4824 windefender.exe 2828 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x000a00000002338f-219.dat upx behavioral1/memory/4824-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2828-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4824-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2828-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2828-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\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:
611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe -
Drops file in Windows directory 4 IoCs
Processes:
611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe File created C:\Windows\rss\csrss.exe 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.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 968 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 4376 powershell.exe 3644 powershell.exe 4572 powershell.exe 1068 powershell.exe 3580 powershell.exe 5096 powershell.exe 1568 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 4792 schtasks.exe 4120 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.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" 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.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,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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,-302 = "Romance Standard Time" 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 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\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.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,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.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,-212 = "Pacific Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.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\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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,-202 = "US Mountain Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exepowershell.exe611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 4376 powershell.exe 4376 powershell.exe 512 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 512 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 3644 powershell.exe 3644 powershell.exe 4728 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 4728 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 4728 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 4728 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 4728 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 4728 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 4728 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 4728 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 4728 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 4728 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 4572 powershell.exe 4572 powershell.exe 4572 powershell.exe 1068 powershell.exe 1068 powershell.exe 1068 powershell.exe 3580 powershell.exe 3580 powershell.exe 3580 powershell.exe 5096 powershell.exe 5096 powershell.exe 1568 powershell.exe 1568 powershell.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 864 csrss.exe 864 csrss.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 864 csrss.exe 864 csrss.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 864 csrss.exe 864 csrss.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe 4292 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 4376 powershell.exe Token: SeDebugPrivilege 512 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe Token: SeImpersonatePrivilege 512 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe Token: SeDebugPrivilege 3644 powershell.exe Token: SeDebugPrivilege 4572 powershell.exe Token: SeDebugPrivilege 1068 powershell.exe Token: SeDebugPrivilege 3580 powershell.exe Token: SeDebugPrivilege 5096 powershell.exe Token: SeDebugPrivilege 1568 powershell.exe Token: SeSystemEnvironmentPrivilege 864 csrss.exe Token: SeSecurityPrivilege 968 sc.exe Token: SeSecurityPrivilege 968 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 512 wrote to memory of 4376 512 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 83 PID 512 wrote to memory of 4376 512 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 83 PID 512 wrote to memory of 4376 512 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 83 PID 4728 wrote to memory of 3644 4728 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 94 PID 4728 wrote to memory of 3644 4728 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 94 PID 4728 wrote to memory of 3644 4728 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 94 PID 4728 wrote to memory of 3048 4728 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 96 PID 4728 wrote to memory of 3048 4728 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 96 PID 3048 wrote to memory of 4236 3048 cmd.exe 98 PID 3048 wrote to memory of 4236 3048 cmd.exe 98 PID 4728 wrote to memory of 4572 4728 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 100 PID 4728 wrote to memory of 4572 4728 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 100 PID 4728 wrote to memory of 4572 4728 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 100 PID 4728 wrote to memory of 1068 4728 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 104 PID 4728 wrote to memory of 1068 4728 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 104 PID 4728 wrote to memory of 1068 4728 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 104 PID 4728 wrote to memory of 864 4728 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 107 PID 4728 wrote to memory of 864 4728 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 107 PID 4728 wrote to memory of 864 4728 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 107 PID 864 wrote to memory of 3580 864 csrss.exe 108 PID 864 wrote to memory of 3580 864 csrss.exe 108 PID 864 wrote to memory of 3580 864 csrss.exe 108 PID 864 wrote to memory of 5096 864 csrss.exe 114 PID 864 wrote to memory of 5096 864 csrss.exe 114 PID 864 wrote to memory of 5096 864 csrss.exe 114 PID 864 wrote to memory of 1568 864 csrss.exe 117 PID 864 wrote to memory of 1568 864 csrss.exe 117 PID 864 wrote to memory of 1568 864 csrss.exe 117 PID 864 wrote to memory of 4292 864 csrss.exe 119 PID 864 wrote to memory of 4292 864 csrss.exe 119 PID 4824 wrote to memory of 2972 4824 windefender.exe 125 PID 4824 wrote to memory of 2972 4824 windefender.exe 125 PID 4824 wrote to memory of 2972 4824 windefender.exe 125 PID 2972 wrote to memory of 968 2972 cmd.exe 126 PID 2972 wrote to memory of 968 2972 cmd.exe 126 PID 2972 wrote to memory of 968 2972 cmd.exe 126 -
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\611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe"C:\Users\Admin\AppData\Local\Temp\611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:512 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4376
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C:\Users\Admin\AppData\Local\Temp\611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe"C:\Users\Admin\AppData\Local\Temp\611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.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:4728 -
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:3644
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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:3048 -
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:4236
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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:4572
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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:1068
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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:864 -
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:3580
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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:4792
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4928
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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:5096
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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:1568
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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:4292
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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:4120
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4824 -
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:2972 -
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:968
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2828
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
MD5f171735793b46b2aa2a4eb0cd3a0db4f
SHA13d9358ffdfd7584fb35f1fc8f01d7478d6585dcd
SHA256ced7383223ddef1bf27ee0319e2d8626eb2b33f4be45b1c23286ad33f88cb293
SHA5127fa8dce3be126b0083b419ea029192df93ef59b424c5a08c111dc0e50ab103429570826761d1c323e41bb0c20a370559ade3c8f042089a350686ccdc8cd35145
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD594d021e49f5127173e077b0e8d3ba352
SHA12adfb28af31f871fd9b989f93c7dd9e223775cd4
SHA2561ff06db9d37a2bd410c3a38f5d172e64840bb7eadccdb38ae77b0d0e22ed0552
SHA5123d701d110662a70238ec358cbd6018bf821289d354360e763f5fc44b741138339bcce1e67e85dc623798eb18dc2f8d6522a93c584d017c78a9a67a7c6b545629
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD558e8991c8bf026b9d3472e1eb1164e9f
SHA1df21a32f467e57b8c1d4441829c3c73f4b88e933
SHA25647d7250451c8569318280602ecc145463c33129f52098dba531e4deb3051417f
SHA51294568735030c796c2167578653c9fcfae091e85883b9588f11257bb7c9f849bdaeb8e3b8d161d28332d759814f688ddb30d0d2cabec5dccd47e3840a440bd28d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54132792ebd0c0b06e4d6b1bc3f438a60
SHA121a6015310dc3b05c8a9f9e5afbde3207c7022b5
SHA256eda6c75ae4736cae4c62cfffa617e210f1ab30707eee86c8da908d46e65300b4
SHA512762789603d270b46293f9953c830cf46a7513c4338daf5759287b47e49cf18448358731cc5699bb1d1f62708463f1d2b91f00767d4462979b955a726e195e4d6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52869c8e21eb263631e74cbf2ddfdde43
SHA17fa63f5e25e2a15395e5368691e5be3b49d3a810
SHA25631e82595ef632edf68b3a3effb33b21d5d54467288397649494973e4af3e15b3
SHA512829dee1316dad1073087c7c91660ca875643c716540b25f811c689ae049fbf629026ed0314bcd33b06bb97a88d51546fc51aba5d4e7fef1f39bc9affa7cdadcc
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Filesize
4.1MB
MD5fe15efaa69e82c58a1b87b13d6e63e74
SHA19edf9ffe99b3714762f427126cc3dde316ed4dbf
SHA256611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490
SHA5124fc73bf39aac7dca98483238913663932bf3c3026d7e6d026d80570329d3afd6d1197beee95a1e042d20b2888a0a0ac0f79bc04125d06ff2ad654e636c8614c6
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec