Analysis
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max time kernel
149s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 14:06
Static task
static1
Behavioral task
behavioral1
Sample
611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe
Resource
win7-20231129-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 behavioral2/memory/1608-2-0x00000000048B0000-0x000000000519B000-memory.dmp family_glupteba behavioral2/memory/1608-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1608-103-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/1608-155-0x00000000048B0000-0x000000000519B000-memory.dmp family_glupteba behavioral2/memory/392-154-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/1608-194-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3432-209-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/3432-220-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/3432-229-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/3432-233-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/3432-237-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/3432-242-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/3432-246-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/3432-249-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/3432-253-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/3432-258-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/3432-262-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/3432-265-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/3432-269-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 4696 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 3432 csrss.exe 3732 injector.exe 2612 windefender.exe 4392 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x000700000002340f-219.dat upx behavioral2/memory/2612-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4392-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2612-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4392-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4392-239-0x0000000000400000-0x00000000008DF000-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-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
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:
csrss.exe611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exedescription ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe 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 -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 2896 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 3772 powershell.exe 4836 powershell.exe 5104 powershell.exe 2244 powershell.exe 2980 powershell.exe 3204 powershell.exe 4364 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 3756 schtasks.exe 5052 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exepowershell.exepowershell.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.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,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba 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\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,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight 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,-741 = "New Zealand Daylight Time" 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.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,-434 = "Georgian Daylight Time" 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.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" 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.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,-2431 = "Cuba Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.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\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exepowershell.exe611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 3772 powershell.exe 3772 powershell.exe 1608 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 1608 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 4836 powershell.exe 4836 powershell.exe 392 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 392 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 392 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 392 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 392 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 392 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 392 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 392 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 392 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 392 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 5104 powershell.exe 5104 powershell.exe 2244 powershell.exe 2244 powershell.exe 2980 powershell.exe 2980 powershell.exe 3204 powershell.exe 3204 powershell.exe 4364 powershell.exe 4364 powershell.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3432 csrss.exe 3432 csrss.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3432 csrss.exe 3432 csrss.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3432 csrss.exe 3432 csrss.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 3772 powershell.exe Token: SeDebugPrivilege 1608 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe Token: SeImpersonatePrivilege 1608 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe Token: SeDebugPrivilege 4836 powershell.exe Token: SeDebugPrivilege 5104 powershell.exe Token: SeDebugPrivilege 2244 powershell.exe Token: SeDebugPrivilege 2980 powershell.exe Token: SeDebugPrivilege 3204 powershell.exe Token: SeDebugPrivilege 4364 powershell.exe Token: SeSystemEnvironmentPrivilege 3432 csrss.exe Token: SeSecurityPrivilege 2896 sc.exe Token: SeSecurityPrivilege 2896 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 1608 wrote to memory of 3772 1608 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 85 PID 1608 wrote to memory of 3772 1608 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 85 PID 1608 wrote to memory of 3772 1608 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 85 PID 392 wrote to memory of 4836 392 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 95 PID 392 wrote to memory of 4836 392 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 95 PID 392 wrote to memory of 4836 392 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 95 PID 392 wrote to memory of 2164 392 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 99 PID 392 wrote to memory of 2164 392 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 99 PID 2164 wrote to memory of 4696 2164 cmd.exe 101 PID 2164 wrote to memory of 4696 2164 cmd.exe 101 PID 392 wrote to memory of 5104 392 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 102 PID 392 wrote to memory of 5104 392 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 102 PID 392 wrote to memory of 5104 392 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 102 PID 392 wrote to memory of 2244 392 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 105 PID 392 wrote to memory of 2244 392 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 105 PID 392 wrote to memory of 2244 392 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 105 PID 392 wrote to memory of 3432 392 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 107 PID 392 wrote to memory of 3432 392 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 107 PID 392 wrote to memory of 3432 392 611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490.exe 107 PID 3432 wrote to memory of 2980 3432 csrss.exe 108 PID 3432 wrote to memory of 2980 3432 csrss.exe 108 PID 3432 wrote to memory of 2980 3432 csrss.exe 108 PID 3432 wrote to memory of 3204 3432 csrss.exe 114 PID 3432 wrote to memory of 3204 3432 csrss.exe 114 PID 3432 wrote to memory of 3204 3432 csrss.exe 114 PID 3432 wrote to memory of 4364 3432 csrss.exe 116 PID 3432 wrote to memory of 4364 3432 csrss.exe 116 PID 3432 wrote to memory of 4364 3432 csrss.exe 116 PID 3432 wrote to memory of 3732 3432 csrss.exe 118 PID 3432 wrote to memory of 3732 3432 csrss.exe 118 PID 2612 wrote to memory of 2888 2612 windefender.exe 125 PID 2612 wrote to memory of 2888 2612 windefender.exe 125 PID 2612 wrote to memory of 2888 2612 windefender.exe 125 PID 2888 wrote to memory of 2896 2888 cmd.exe 126 PID 2888 wrote to memory of 2896 2888 cmd.exe 126 PID 2888 wrote to memory of 2896 2888 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:1608 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3772
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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:392 -
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:4836
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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:2164 -
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:4696
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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:5104
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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:2244
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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:3432 -
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:2980
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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:3756
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3580
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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:3204
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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:4364
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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:3732
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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:5052
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2612 -
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:2888 -
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:2896
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4392
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
MD503e3208156593537b4304684ee974ad1
SHA1ba0d1a9f49c9bc1ffe09baefb46e5b6e12a76cad
SHA25671c9b8280a90cc01db4a754f1bd6a90eb2ac4d7ae9e414f2e39e402469df4a3e
SHA512c26ab3bc907ebb1dc5948c7a9668c671282df3f74ff321ab3eaf4ee454eaceaaff7eff866e6a5d54a8323293c049830e46c1b8ecce31aedfba714afa0cbf7b83
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ddd5fa198202058c197dcceabec5a82d
SHA1788b428f4de90e5abc38ca77d0ae5844822b1102
SHA2560dc5ee54f688e85fab52afb248b5441bd4d09e5c973f9ade2c8c55ce774035b7
SHA51254b8f2c83a5ad24ed4aaede4fc1bab211d871223959cab9a4d0f29f0fc4e63dd9af2595f3090bac59946e791184b45ff7c551f24cad2b93e984e8bc61cbbf7a8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5250ab74945236afd20a986719c36c273
SHA10cb096bba69069eeb8b10b1be7c721b054ceeed5
SHA256107e58e997f8486c9270fc439102b65913c01e94beaac4b46e7908497a24a075
SHA5125c2b1fdc545e12e46f7346dc45eb84ba0a3e6990da688e86521429779688ac0486d87a3fdd63992130c5f547ef4a2e35a0a2250d09ff627fc65ff7f88dc9176e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD506b8754be5148a0f4a5ac33748f5e9c0
SHA1c3bd806849d8e129520affd3ccca62df7351a411
SHA2565f88bb5523e26a65068e8faa64b5b429cc3523e9da6dc35b49d51b50ae645281
SHA5125af6c5f8cdf0c0c99804abc6366203ef9a1a386ec8d3ffc30a419c70f3f72fd1200215a985b510be0d939f8059080b956a092de3d8016c1325243d8d8bbd36d3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ed2457da5007eb841945d5fc41893838
SHA118ceff5053a9288686fe4a7947687d32cb1418e1
SHA25626c87e20d8fd1b9c5c5131276a14af6eae7c8f07f1b0046f4d6e06765d406426
SHA512d7bfac943511b3b20693c5dbedc20c29d3c20bc0cc38276e73e6ffb5c6667a321d2e80ef616f255169f3191ed8408ccf471f471783904460a73286916eddf825
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Filesize
4.1MB
MD5fe15efaa69e82c58a1b87b13d6e63e74
SHA19edf9ffe99b3714762f427126cc3dde316ed4dbf
SHA256611b530f795f70fcc99928eee9caa0b38501c1f0742f77cf6c7aedc250375490
SHA5124fc73bf39aac7dca98483238913663932bf3c3026d7e6d026d80570329d3afd6d1197beee95a1e042d20b2888a0a0ac0f79bc04125d06ff2ad654e636c8614c6
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec