Analysis
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max time kernel
150s -
max time network
131s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
20-05-2024 04:48
Static task
static1
Behavioral task
behavioral1
Sample
33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe
Resource
win10v2004-20240508-en
General
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Target
33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe
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Size
4.1MB
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MD5
d01ac83e5a80038cd1e738536015a287
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SHA1
a8a94746959507d3af3e2b3d84b6b5100d8535b2
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SHA256
33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1
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SHA512
99fa2dde23cd131fe5dac52b2f2eb8ec9405a621126715fd233155c136547fd21b260c74ca2dcaedb0c4e51152327abb6807e3de3894f9d21c6698bc941b0cac
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SSDEEP
98304:HquwTfmIkbquibhaubey8xw4weLmAcL8k4+6XNB3Rebmbqb0O:YLmIkbquibpii2yAk4+2fEKmbZ
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/1176-2-0x0000000002E00000-0x00000000036EB000-memory.dmp family_glupteba behavioral1/memory/1176-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1176-78-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1176-95-0x0000000002E00000-0x00000000036EB000-memory.dmp family_glupteba behavioral1/memory/4280-130-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4280-136-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5104-217-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5104-224-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5104-228-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5104-232-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5104-235-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5104-238-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5104-240-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5104-244-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5104-247-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5104-250-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5104-252-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5104-256-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2160 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 5104 csrss.exe 4116 injector.exe 1780 windefender.exe 4424 windefender.exe -
resource yara_rule behavioral1/files/0x0009000000023429-220.dat upx behavioral1/memory/1780-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1780-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4424-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4424-236-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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 -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe File created C:\Windows\rss\csrss.exe 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 780 sc.exe -
pid Process 3684 powershell.exe 1780 powershell.exe 2052 powershell.exe 3932 powershell.exe 5020 powershell.exe 3668 powershell.exe 3040 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4836 schtasks.exe 3584 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.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,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.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" 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic 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 Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3668 powershell.exe 3668 powershell.exe 1176 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 1176 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 3040 powershell.exe 3040 powershell.exe 4280 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 4280 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 4280 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 4280 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 4280 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 4280 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 4280 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 4280 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 4280 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 4280 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 3684 powershell.exe 3684 powershell.exe 1780 powershell.exe 1780 powershell.exe 2052 powershell.exe 2052 powershell.exe 3932 powershell.exe 3932 powershell.exe 5020 powershell.exe 5020 powershell.exe 4116 injector.exe 4116 injector.exe 4116 injector.exe 4116 injector.exe 4116 injector.exe 4116 injector.exe 4116 injector.exe 5104 csrss.exe 4116 injector.exe 5104 csrss.exe 4116 injector.exe 4116 injector.exe 4116 injector.exe 4116 injector.exe 5104 csrss.exe 5104 csrss.exe 4116 injector.exe 4116 injector.exe 5104 csrss.exe 5104 csrss.exe 4116 injector.exe 4116 injector.exe 4116 injector.exe 4116 injector.exe 4116 injector.exe 4116 injector.exe 4116 injector.exe 4116 injector.exe 4116 injector.exe 4116 injector.exe 4116 injector.exe 4116 injector.exe 4116 injector.exe 4116 injector.exe 4116 injector.exe 4116 injector.exe 4116 injector.exe 4116 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3668 powershell.exe Token: SeDebugPrivilege 1176 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe Token: SeImpersonatePrivilege 1176 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe Token: SeDebugPrivilege 3040 powershell.exe Token: SeDebugPrivilege 3684 powershell.exe Token: SeDebugPrivilege 1780 powershell.exe Token: SeDebugPrivilege 2052 powershell.exe Token: SeDebugPrivilege 3932 powershell.exe Token: SeDebugPrivilege 5020 powershell.exe Token: SeSystemEnvironmentPrivilege 5104 csrss.exe Token: SeSecurityPrivilege 780 sc.exe Token: SeSecurityPrivilege 780 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1176 wrote to memory of 3668 1176 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 87 PID 1176 wrote to memory of 3668 1176 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 87 PID 1176 wrote to memory of 3668 1176 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 87 PID 4280 wrote to memory of 3040 4280 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 98 PID 4280 wrote to memory of 3040 4280 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 98 PID 4280 wrote to memory of 3040 4280 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 98 PID 4280 wrote to memory of 2712 4280 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 101 PID 4280 wrote to memory of 2712 4280 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 101 PID 2712 wrote to memory of 2160 2712 cmd.exe 103 PID 2712 wrote to memory of 2160 2712 cmd.exe 103 PID 4280 wrote to memory of 3684 4280 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 104 PID 4280 wrote to memory of 3684 4280 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 104 PID 4280 wrote to memory of 3684 4280 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 104 PID 4280 wrote to memory of 1780 4280 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 106 PID 4280 wrote to memory of 1780 4280 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 106 PID 4280 wrote to memory of 1780 4280 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 106 PID 4280 wrote to memory of 5104 4280 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 108 PID 4280 wrote to memory of 5104 4280 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 108 PID 4280 wrote to memory of 5104 4280 33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe 108 PID 5104 wrote to memory of 2052 5104 csrss.exe 109 PID 5104 wrote to memory of 2052 5104 csrss.exe 109 PID 5104 wrote to memory of 2052 5104 csrss.exe 109 PID 5104 wrote to memory of 3932 5104 csrss.exe 115 PID 5104 wrote to memory of 3932 5104 csrss.exe 115 PID 5104 wrote to memory of 3932 5104 csrss.exe 115 PID 5104 wrote to memory of 5020 5104 csrss.exe 117 PID 5104 wrote to memory of 5020 5104 csrss.exe 117 PID 5104 wrote to memory of 5020 5104 csrss.exe 117 PID 5104 wrote to memory of 4116 5104 csrss.exe 120 PID 5104 wrote to memory of 4116 5104 csrss.exe 120 PID 1780 wrote to memory of 3204 1780 windefender.exe 127 PID 1780 wrote to memory of 3204 1780 windefender.exe 127 PID 1780 wrote to memory of 3204 1780 windefender.exe 127 PID 3204 wrote to memory of 780 3204 cmd.exe 128 PID 3204 wrote to memory of 780 3204 cmd.exe 128 PID 3204 wrote to memory of 780 3204 cmd.exe 128 -
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\33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe"C:\Users\Admin\AppData\Local\Temp\33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1176 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3668
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C:\Users\Admin\AppData\Local\Temp\33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.exe"C:\Users\Admin\AppData\Local\Temp\33b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1.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:4280 -
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:3040
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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:2712 -
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:2160
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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:3684
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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:1780
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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:5104 -
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:2052
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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:3584
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1904
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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:3932
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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:5020
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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:4116
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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:4836
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1780 -
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:3204 -
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:780
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4424
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
MD59a69e7ac27b3dc61ed99a2ed67d171d6
SHA180ef99506e74a3c4dd23fcaa5302edeb26ae863f
SHA25637e6377958396a655d1c22bcfc5bbab46e4897a755c96701b312721e7f4b37cc
SHA5122efac2838cb26db01b9e642abc8dab270f5fec05140691f9d9e78dbd1a136e26c094a503eaf5422c91cd545ee26dae7bb4b74aa1e62f6268e7a0c65f76eebe3f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e7be1c4eb33fcf2e6bed0848a654efc5
SHA17b296d166dc068c074244f585165f733a27f3403
SHA25657420adc6cee2287003f24754c2e16f017d6a9e17edd1413671533b40ad5be31
SHA5121d8ba3203cd4dd83b9096b67fdb850fbd8d4d531904346183362dc8b5a13e004705fcc299e511f68ece0cc13dc1b98ac5f3b57b6788d5bb913d3d4d66452eeef
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD501f3479396b633be122c65ceeeffeab7
SHA1f728171501ac821f09ae55d2fa780d34a8fd9bbc
SHA256f0ce428c1ea1a1322d95012b8516995f3d54cac45cce14251c410c3c878fe7d2
SHA5121f76c9379c66d4bf75ddf542a12c32e3523bc56855f3ce8dd5b262d6f885fe545cd02f07791939e4fe101f0e166eebf51a508a9cc037b984cc7c1c552fcb5439
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59a0a756733d019262f8f30751289026f
SHA1604fcc59219a4fdaba79d4ea869435de0132dcec
SHA25612fbe0b216b2448f89f06ad57fbf8f4f7dafa3c957407963721071c0088b233c
SHA5121da65eaee97f4536d94e0485dfea4184c4377748c86f5bbb9613b58e6dc3272490c598cd67d812b74680b9bd03e26932d4ef19b401b6d4da33fd7b55e19f94b9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ddd406e2c3287680c72052820e3c1a4a
SHA1f98cc95e594d794ff0d62b2ca0cfaef62b0cdbdf
SHA256a642ef3daf10c25adcefe11cbb5ff069423197b0c3f486e3da9bb5a578c4b5aa
SHA5129cb196c4dd244d138674d77d0f153999fc66762dd0e4d94ab700ce36c47f25f0db09b783c5f85a873a477e0cd62771580e4a2901750fdd838ae2b298d9704e06
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Filesize
4.1MB
MD5d01ac83e5a80038cd1e738536015a287
SHA1a8a94746959507d3af3e2b3d84b6b5100d8535b2
SHA25633b4f45512d31595f4f6518d71e95bda1410392132775fdd9a6b7986c3205fd1
SHA51299fa2dde23cd131fe5dac52b2f2eb8ec9405a621126715fd233155c136547fd21b260c74ca2dcaedb0c4e51152327abb6807e3de3894f9d21c6698bc941b0cac
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec