Analysis
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max time kernel
150s -
max time network
147s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
26/03/2024, 11:03
Static task
static1
Behavioral task
behavioral1
Sample
011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe
Resource
win10v2004-20231215-en
General
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Target
011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe
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Size
4.2MB
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MD5
66f2a2bafa346e56a1b141fc9e5157d2
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SHA1
156f8a87ee1e4a8d2ebc2686b948dc911305d3ce
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SHA256
011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e
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SHA512
0734de3caca695a4384212229a35d368569c0759c5642c955166eafa8d32d400f4b4c3d3b082c42f3c0039148466bc6285115148e3020e6b2c47f2f682b71282
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SSDEEP
98304:8MSccRZbwdaLDyqlRrnBa55GfcKfbAy7UIdSgZmIqVGNoVmyBozRcSo:wQgLDyAcOFoDnIE8Z2
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/4248-2-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral2/memory/4248-3-0x00000000032C0000-0x0000000003BAB000-memory.dmp family_glupteba behavioral2/memory/1984-52-0x0000000003250000-0x0000000003B3B000-memory.dmp family_glupteba behavioral2/memory/1984-54-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral2/memory/4248-55-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral2/memory/1984-129-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral2/memory/1984-220-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral2/memory/2496-242-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral2/memory/2496-253-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral2/memory/2496-256-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral2/memory/2496-261-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral2/memory/2496-265-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral2/memory/2496-269-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral2/memory/2496-273-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral2/memory/2496-276-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral2/memory/2496-280-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral2/memory/2496-285-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral2/memory/2496-289-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral2/memory/2496-293-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral2/memory/2496-296-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 992 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2496 csrss.exe 2916 injector.exe 3892 windefender.exe 4600 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a75d-246.dat upx behavioral2/memory/3892-252-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4600-257-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4600-264-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3594324687-1993884830-4019639329-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe Set value (str) \REGISTRY\USER\S-1-5-21-3594324687-1993884830-4019639329-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe File created C:\Windows\rss\csrss.exe 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.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 2944 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4664 schtasks.exe 4228 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs 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\22\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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\22\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1452 powershell.exe 1452 powershell.exe 4248 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe 4248 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe 3776 powershell.exe 3776 powershell.exe 1984 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe 1984 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe 1984 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe 1984 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe 1984 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe 1984 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe 1984 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe 1984 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe 1984 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe 1984 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe 2744 powershell.exe 2744 powershell.exe 1480 powershell.exe 1480 powershell.exe 1892 powershell.exe 1892 powershell.exe 4504 powershell.exe 4504 powershell.exe 4060 powershell.exe 4060 powershell.exe 2916 injector.exe 2916 injector.exe 2916 injector.exe 2916 injector.exe 2916 injector.exe 2916 injector.exe 2496 csrss.exe 2496 csrss.exe 2916 injector.exe 2916 injector.exe 2916 injector.exe 2916 injector.exe 2916 injector.exe 2916 injector.exe 2496 csrss.exe 2496 csrss.exe 2916 injector.exe 2916 injector.exe 2916 injector.exe 2916 injector.exe 2916 injector.exe 2916 injector.exe 2916 injector.exe 2916 injector.exe 2916 injector.exe 2916 injector.exe 2496 csrss.exe 2496 csrss.exe 2916 injector.exe 2916 injector.exe 2916 injector.exe 2916 injector.exe 2916 injector.exe 2916 injector.exe 2916 injector.exe 2916 injector.exe 2916 injector.exe 2916 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1452 powershell.exe Token: SeDebugPrivilege 4248 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe Token: SeImpersonatePrivilege 4248 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe Token: SeDebugPrivilege 3776 powershell.exe Token: SeDebugPrivilege 2744 powershell.exe Token: SeDebugPrivilege 1480 powershell.exe Token: SeDebugPrivilege 1892 powershell.exe Token: SeDebugPrivilege 4504 powershell.exe Token: SeDebugPrivilege 4060 powershell.exe Token: SeSystemEnvironmentPrivilege 2496 csrss.exe Token: SeSecurityPrivilege 2944 sc.exe Token: SeSecurityPrivilege 2944 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4248 wrote to memory of 1452 4248 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe 77 PID 4248 wrote to memory of 1452 4248 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe 77 PID 4248 wrote to memory of 1452 4248 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe 77 PID 1984 wrote to memory of 3776 1984 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe 82 PID 1984 wrote to memory of 3776 1984 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe 82 PID 1984 wrote to memory of 3776 1984 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe 82 PID 1984 wrote to memory of 4852 1984 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe 84 PID 1984 wrote to memory of 4852 1984 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe 84 PID 4852 wrote to memory of 992 4852 cmd.exe 86 PID 4852 wrote to memory of 992 4852 cmd.exe 86 PID 1984 wrote to memory of 2744 1984 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe 87 PID 1984 wrote to memory of 2744 1984 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe 87 PID 1984 wrote to memory of 2744 1984 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe 87 PID 1984 wrote to memory of 1480 1984 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe 89 PID 1984 wrote to memory of 1480 1984 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe 89 PID 1984 wrote to memory of 1480 1984 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe 89 PID 1984 wrote to memory of 2496 1984 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe 91 PID 1984 wrote to memory of 2496 1984 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe 91 PID 1984 wrote to memory of 2496 1984 011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe 91 PID 2496 wrote to memory of 1892 2496 csrss.exe 92 PID 2496 wrote to memory of 1892 2496 csrss.exe 92 PID 2496 wrote to memory of 1892 2496 csrss.exe 92 PID 2496 wrote to memory of 4504 2496 csrss.exe 98 PID 2496 wrote to memory of 4504 2496 csrss.exe 98 PID 2496 wrote to memory of 4504 2496 csrss.exe 98 PID 2496 wrote to memory of 4060 2496 csrss.exe 100 PID 2496 wrote to memory of 4060 2496 csrss.exe 100 PID 2496 wrote to memory of 4060 2496 csrss.exe 100 PID 2496 wrote to memory of 2916 2496 csrss.exe 102 PID 2496 wrote to memory of 2916 2496 csrss.exe 102 PID 3892 wrote to memory of 2304 3892 windefender.exe 108 PID 3892 wrote to memory of 2304 3892 windefender.exe 108 PID 3892 wrote to memory of 2304 3892 windefender.exe 108 PID 2304 wrote to memory of 2944 2304 cmd.exe 109 PID 2304 wrote to memory of 2944 2304 cmd.exe 109 PID 2304 wrote to memory of 2944 2304 cmd.exe 109 -
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\011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe"C:\Users\Admin\AppData\Local\Temp\011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4248 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1452
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C:\Users\Admin\AppData\Local\Temp\011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.exe"C:\Users\Admin\AppData\Local\Temp\011e59eb9ae4142c03808566233152d94e6537fa56a8933df6e6f0e01f21c14e.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:1984 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3776
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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:4852 -
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:992
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2744
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1480
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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:2496 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1892
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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:4664
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1216
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4504
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4060
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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:2916
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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:4228
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3892 -
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:2304 -
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:2944
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4600
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58aab0f6799be340dcc0ba4aeadc8a30d
SHA13650fb17f638aef53ef5d43a1b5bad4de9a50463
SHA2560188ae6c3acc116a2a04d28b03abf5d65ad0dc3ba5b82f9ce025c834c3307b4c
SHA512eb20fd75f56738c98fbb554ceced31be3716f14e31d46d733b94482b365209ec86424abecfcd49d3457b4043be1ab5b2c566982e31c8acdab53d7377975a8da8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b6cc5544dc030241644f9e6140235b17
SHA14144237fa2c8274187f8c942e6d472bf7fdc1890
SHA2564caafa5f70f966880d0cb97cbf92200d2ccc7eaf2eefa93777961012edbd6af6
SHA5124ed44fe81d0e2f30e00ba168bace8a027beee0aac0d5ca780864e53212a9b29911bc003083d5c5b3a42ea53693a2c38b3cf4d383380cdd2e37ecf1bd94585273
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD592401fd9926adfe8d5f129cfbefc20fa
SHA1a42c0b9f63149b91ddd706e5b4485ccc1f39aa94
SHA256ac490f6943183013d05799e06e1beea4f4d8692b89036679d9b5287895fe86cc
SHA512b817d8cf4b0a01d6e2e1fc2c6b7f5a86e087960133ed06ad9e05450f6e6aaa875f088c13dcaef8aa51a3f245bcaffb0ea6013d1a0b36b48befc0fa6c2d74990c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD592a95b4385e9c788ecb6927f420f5c4b
SHA13f5850ab21f6574f63cbd97237bf0de2b7af21fd
SHA25617c6769b5ddaa4e8b3a056962844b28c527f58a66fe631b327fbaa192b8ee8f9
SHA512548f054aa86141556a965e890fa6b11e8adfdfb3e0e7407abb8ba926a91f7132d2355c8f43a1fc81e0ac191b76e36e664ceb8bc6b9d1234ebc2352be9b6f5a2b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5005406d4f8c959c1d969b1e387a8882f
SHA138868b931f8791a613ed8b041b8e63b11ae88c8a
SHA25659184517ab4d9067e80f7626527ac6e7629eff3a015754125aaac06c15e7eed9
SHA512cdeaf2244865c55d05ee707705a9e545b8347ca1d253006a2eda53526f142bd3696025d8ff5b27ec86a0f5774f30cc1daaa1ed9ad857be1dcf49eb91b9e8bb9d
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Filesize
1.9MB
MD5a8386361542bfa5115227a6e0e2ff683
SHA18e9e248362cd335362138a8e90da03fc6e8405ee
SHA2560b779053d5d18fceeed6e12ec03cc24433a80583175ba62167d38a67e30e79e2
SHA5120820fab0ea120a6f02651e4691c8987098bb03a2baf3210e3f12bda98cf9d821d71b345563c341e1b08e423fa751dfe6d63069bc24a1dc602b5d5cf68d73b02e
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Filesize
1.9MB
MD59a8ff073667c20d9feaed0ea0a485f4f
SHA1fa4e8c5f00cbe0a645470e6a643ebfeb0425d107
SHA2563aa99418e803429639389d51b8a4b1eb53389b631a1786cb23ce853ec29f405e
SHA512baa5a073830142d73bf3a3cb1286254b5cc9cc8eccb8621c1cfbf823b9561b4ab649145b922cc76ce7f8f6b5204ee6077150a94d9116b8cb3a52b7385ebfa167
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec