Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
27/03/2024, 13:30
Static task
static1
Behavioral task
behavioral1
Sample
9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.exe
Resource
win10v2004-20240226-en
General
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Target
9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.exe
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Size
4.1MB
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MD5
7fa855e37bcf22c8f45cd53d1f481335
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SHA1
1c42d12884f7da933d195fc9301fb88e6c466bf2
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SHA256
9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f
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SHA512
d6516d51c284e55f8c6850d0bbe1ace40c18d537e391dd2d5db6bd3899ae96a113d8afe2837878158f28684c1b73451d9178b4cb1bfee97eef54ee242eefeaae
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SSDEEP
98304:2h2hMV7pU+F/PCp1TA/SQA1RMM6LFeS7mJmya:UVF1l01TAfA1kLFeSKJmya
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/1664-2-0x0000000002DC0000-0x00000000036AB000-memory.dmp family_glupteba behavioral1/memory/1664-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1788-56-0x0000000002F20000-0x000000000380B000-memory.dmp family_glupteba behavioral1/memory/1664-58-0x0000000002DC0000-0x00000000036AB000-memory.dmp family_glupteba behavioral1/memory/1788-59-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1664-73-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1788-163-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2364-263-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2364-265-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2364-276-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2364-281-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2364-285-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2364-289-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2364-292-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2364-296-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2364-301-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2364-305-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2364-309-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2364-313-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2364-316-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4576 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2364 csrss.exe 548 injector.exe 4916 windefender.exe 3352 windefender.exe -
resource yara_rule behavioral1/files/0x001100000002310d-268.dat upx behavioral1/memory/4916-274-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3352-278-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3352-286-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\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 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.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.exe File created C:\Windows\rss\csrss.exe 9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.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 4980 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 1752 schtasks.exe 1068 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.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\22\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1661 = "Bahia 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,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.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\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2344 powershell.exe 2344 powershell.exe 1664 9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.exe 1664 9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.exe 3324 powershell.exe 3324 powershell.exe 3324 powershell.exe 1788 9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.exe 1788 9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.exe 1788 9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.exe 1788 9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.exe 1788 9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.exe 1788 9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.exe 1788 9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.exe 1788 9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.exe 1788 9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.exe 1788 9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.exe 4848 powershell.exe 4848 powershell.exe 4848 powershell.exe 808 powershell.exe 808 powershell.exe 808 powershell.exe 2752 powershell.exe 2752 powershell.exe 2752 powershell.exe 4592 powershell.exe 4592 powershell.exe 4592 powershell.exe 4504 powershell.exe 4504 powershell.exe 4504 powershell.exe 548 injector.exe 548 injector.exe 548 injector.exe 548 injector.exe 548 injector.exe 548 injector.exe 2364 csrss.exe 2364 csrss.exe 548 injector.exe 548 injector.exe 548 injector.exe 548 injector.exe 548 injector.exe 548 injector.exe 2364 csrss.exe 2364 csrss.exe 548 injector.exe 548 injector.exe 548 injector.exe 548 injector.exe 548 injector.exe 548 injector.exe 548 injector.exe 548 injector.exe 548 injector.exe 548 injector.exe 548 injector.exe 548 injector.exe 548 injector.exe 548 injector.exe 548 injector.exe 548 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2344 powershell.exe Token: SeDebugPrivilege 1664 9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.exe Token: SeImpersonatePrivilege 1664 9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.exe Token: SeDebugPrivilege 3324 powershell.exe Token: SeDebugPrivilege 4848 powershell.exe Token: SeDebugPrivilege 808 powershell.exe Token: SeDebugPrivilege 2752 powershell.exe Token: SeDebugPrivilege 4592 powershell.exe Token: SeDebugPrivilege 4504 powershell.exe Token: SeSystemEnvironmentPrivilege 2364 csrss.exe Token: SeSecurityPrivilege 4980 sc.exe Token: SeSecurityPrivilege 4980 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1664 wrote to memory of 2344 1664 9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.exe 94 PID 1664 wrote to memory of 2344 1664 9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.exe 94 PID 1664 wrote to memory of 2344 1664 9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.exe 94 PID 1788 wrote to memory of 3324 1788 9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.exe 100 PID 1788 wrote to memory of 3324 1788 9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.exe 100 PID 1788 wrote to memory of 3324 1788 9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.exe 100 PID 1788 wrote to memory of 1560 1788 9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.exe 102 PID 1788 wrote to memory of 1560 1788 9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.exe 102 PID 1560 wrote to memory of 4576 1560 cmd.exe 104 PID 1560 wrote to memory of 4576 1560 cmd.exe 104 PID 1788 wrote to memory of 4848 1788 9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.exe 105 PID 1788 wrote to memory of 4848 1788 9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.exe 105 PID 1788 wrote to memory of 4848 1788 9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.exe 105 PID 1788 wrote to memory of 808 1788 9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.exe 107 PID 1788 wrote to memory of 808 1788 9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.exe 107 PID 1788 wrote to memory of 808 1788 9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.exe 107 PID 1788 wrote to memory of 2364 1788 9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.exe 111 PID 1788 wrote to memory of 2364 1788 9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.exe 111 PID 1788 wrote to memory of 2364 1788 9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.exe 111 PID 2364 wrote to memory of 2752 2364 csrss.exe 112 PID 2364 wrote to memory of 2752 2364 csrss.exe 112 PID 2364 wrote to memory of 2752 2364 csrss.exe 112 PID 2364 wrote to memory of 4592 2364 csrss.exe 118 PID 2364 wrote to memory of 4592 2364 csrss.exe 118 PID 2364 wrote to memory of 4592 2364 csrss.exe 118 PID 2364 wrote to memory of 4504 2364 csrss.exe 123 PID 2364 wrote to memory of 4504 2364 csrss.exe 123 PID 2364 wrote to memory of 4504 2364 csrss.exe 123 PID 2364 wrote to memory of 548 2364 csrss.exe 125 PID 2364 wrote to memory of 548 2364 csrss.exe 125 PID 4916 wrote to memory of 3704 4916 windefender.exe 135 PID 4916 wrote to memory of 3704 4916 windefender.exe 135 PID 4916 wrote to memory of 3704 4916 windefender.exe 135 PID 3704 wrote to memory of 4980 3704 cmd.exe 136 PID 3704 wrote to memory of 4980 3704 cmd.exe 136 PID 3704 wrote to memory of 4980 3704 cmd.exe 136 -
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\9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.exe"C:\Users\Admin\AppData\Local\Temp\9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1664 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2344
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C:\Users\Admin\AppData\Local\Temp\9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.exe"C:\Users\Admin\AppData\Local\Temp\9a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f.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:1788 -
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:3324
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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:1560 -
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:4576
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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:4848
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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:808
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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:2364 -
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:2752
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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:1752
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1416
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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:4592
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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:\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:548
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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:1068
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4916 -
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:3704 -
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:4980
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3352
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e8e7fc4f9d46a30bdd969db49cfb75d6
SHA13e650476d6e82c6e613567f3542c5c2c608c4b63
SHA2567b0f2a5861a340d2cf595841dc18ded102188ebe3dd09647677839bca7ecbf42
SHA51262024ed1e20194eab7c0bdc0d25476a8148ac5dce5e8716a7914bb51862163cac536ed06c86d61010816251c6cc12d8680574eea83e1cf9da26daf36ae4cf046
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD599f7ca3ae91c788e47375253d9131034
SHA12618b39eaa07ba6c64b5a3947eb27f1e7d5935bf
SHA25628ba66f16da2e720fa54809724556e0f3e60cdcc98931e2300ae18c72546a7ef
SHA5123f9fc20ef296008bc624d8e1e72472540630fbb1ec7720344621779546787d67891407f88305fb1f4de1f665fcceb59d1277ff17a42c8488b7672b51518a6ae5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58fea7cfcbd9c6e5526b7b3e267131164
SHA1e72314d900bcbf474071d6221e34229c69c8a694
SHA2563921f38c1466f8c51010af215f870595da0d48393881a24b3c67564d6238b422
SHA512e59d6547fbcf99c003773677fd767e01329ec2a39e6a08816f0c1b1601722dd623874bc2e02d3cd32aafebb9a12872d92dd94b60b0127b547b9e236f831b1d16
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD542c923c895d6bf5e5f3924b96a303aa6
SHA13dedcbbdd91dde4bb310d483b2bbd4f2e5349123
SHA256de418001cc0b942db8653793b4439f45562a85e3c5c25f3f3c0443cc0f1e8a61
SHA51250096b9437f02f650574d73f360f202dacac95e8b61da2736fec2ed8b9973d7852de2e14d28d93c0c2acbc0a7eef4acaa9992de4105b9ff27dd6c6cdc3223162
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5791aa3ebe692bfe7877f4239904b4cae
SHA175896eb5baa8209fd57a3dbab386c42c08634a4c
SHA256cb6fc3d49f09613c080883b35e594602910c5714195386912781e4246e812259
SHA512d4c3418f58dbbcb1bb450919c9950416d99b2273926085d5c68f1e5d165082b9da44af75905b88869aacfbc2cb3daecd364f778022146e8fd8e8168572f2847c
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Filesize
4.1MB
MD57fa855e37bcf22c8f45cd53d1f481335
SHA11c42d12884f7da933d195fc9301fb88e6c466bf2
SHA2569a09f99a1868c30cbe62c302310c64f90a7210c7f2bd60dc2064951d3921d16f
SHA512d6516d51c284e55f8c6850d0bbe1ace40c18d537e391dd2d5db6bd3899ae96a113d8afe2837878158f28684c1b73451d9178b4cb1bfee97eef54ee242eefeaae
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec