Analysis
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max time kernel
149s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 08:57
Static task
static1
Behavioral task
behavioral1
Sample
411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe
Resource
win10v2004-20240426-en
General
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Target
411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe
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Size
4.1MB
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MD5
6c483ee8a3efdf90eda75ef0f70ccc2b
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SHA1
18e628bef94b720ad0160d1f1f67cc48641bb60b
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SHA256
411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238
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SHA512
c45a4da2821ec04fe751d11f7c8a2926cf66a6db2fa30600a5d1e7ecc0ed62e0f0bf6c3811f13cecef0cc0568ccd909b068a28cf5bc0053fdef17ff2bb00fb5f
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SSDEEP
98304:AvCQaDBnSWO/B+XxjapSyZlG1PnsYHdaWgIg92gsnC3bzMZh6P1w:AvC3DFSWO/BjYGk1PnXHoWWZ1za6Nw
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/1152-2-0x0000000004390000-0x0000000004C7B000-memory.dmp family_glupteba behavioral1/memory/1152-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1152-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1152-57-0x0000000004390000-0x0000000004C7B000-memory.dmp family_glupteba behavioral1/memory/1152-55-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/5788-136-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/5504-219-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/5504-228-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/5504-230-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/5504-232-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/5504-234-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/5504-236-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/5504-238-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/5504-240-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/5504-242-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/5504-244-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/5504-246-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/5504-248-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/5504-250-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2644 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 5504 csrss.exe 440 injector.exe 2632 windefender.exe 2232 windefender.exe -
resource yara_rule behavioral1/files/0x00080000000233fb-222.dat upx behavioral1/memory/2632-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2232-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2632-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2232-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2232-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\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 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe File created C:\Windows\rss\csrss.exe 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.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 6100 sc.exe -
pid Process 4736 powershell.exe 2088 powershell.exe 1036 powershell.exe 5000 powershell.exe 628 powershell.exe 5636 powershell.exe 1496 powershell.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 5824 1152 WerFault.exe 81 4408 5788 WerFault.exe 91 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4028 schtasks.exe 2584 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.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\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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\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,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.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\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.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,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 628 powershell.exe 628 powershell.exe 1152 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 1152 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 5636 powershell.exe 5636 powershell.exe 5788 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 5788 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 5788 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 5788 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 5788 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 5788 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 5788 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 5788 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 5788 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 5788 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 1496 powershell.exe 1496 powershell.exe 4736 powershell.exe 4736 powershell.exe 2088 powershell.exe 2088 powershell.exe 1036 powershell.exe 1036 powershell.exe 1036 powershell.exe 5000 powershell.exe 5000 powershell.exe 5000 powershell.exe 440 injector.exe 440 injector.exe 440 injector.exe 440 injector.exe 440 injector.exe 440 injector.exe 5504 csrss.exe 5504 csrss.exe 440 injector.exe 440 injector.exe 440 injector.exe 440 injector.exe 440 injector.exe 440 injector.exe 5504 csrss.exe 5504 csrss.exe 440 injector.exe 440 injector.exe 440 injector.exe 440 injector.exe 5504 csrss.exe 5504 csrss.exe 440 injector.exe 440 injector.exe 440 injector.exe 440 injector.exe 440 injector.exe 440 injector.exe 440 injector.exe 440 injector.exe 440 injector.exe 440 injector.exe 440 injector.exe 440 injector.exe 440 injector.exe 440 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 628 powershell.exe Token: SeDebugPrivilege 1152 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe Token: SeImpersonatePrivilege 1152 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe Token: SeDebugPrivilege 5636 powershell.exe Token: SeDebugPrivilege 1496 powershell.exe Token: SeDebugPrivilege 4736 powershell.exe Token: SeDebugPrivilege 2088 powershell.exe Token: SeDebugPrivilege 1036 powershell.exe Token: SeDebugPrivilege 5000 powershell.exe Token: SeSystemEnvironmentPrivilege 5504 csrss.exe Token: SeSecurityPrivilege 6100 sc.exe Token: SeSecurityPrivilege 6100 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1152 wrote to memory of 628 1152 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 84 PID 1152 wrote to memory of 628 1152 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 84 PID 1152 wrote to memory of 628 1152 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 84 PID 5788 wrote to memory of 5636 5788 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 95 PID 5788 wrote to memory of 5636 5788 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 95 PID 5788 wrote to memory of 5636 5788 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 95 PID 5788 wrote to memory of 3056 5788 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 97 PID 5788 wrote to memory of 3056 5788 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 97 PID 3056 wrote to memory of 2644 3056 cmd.exe 99 PID 3056 wrote to memory of 2644 3056 cmd.exe 99 PID 5788 wrote to memory of 1496 5788 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 102 PID 5788 wrote to memory of 1496 5788 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 102 PID 5788 wrote to memory of 1496 5788 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 102 PID 5788 wrote to memory of 4736 5788 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 105 PID 5788 wrote to memory of 4736 5788 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 105 PID 5788 wrote to memory of 4736 5788 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 105 PID 5788 wrote to memory of 5504 5788 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 107 PID 5788 wrote to memory of 5504 5788 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 107 PID 5788 wrote to memory of 5504 5788 411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe 107 PID 5504 wrote to memory of 2088 5504 csrss.exe 110 PID 5504 wrote to memory of 2088 5504 csrss.exe 110 PID 5504 wrote to memory of 2088 5504 csrss.exe 110 PID 5504 wrote to memory of 1036 5504 csrss.exe 118 PID 5504 wrote to memory of 1036 5504 csrss.exe 118 PID 5504 wrote to memory of 1036 5504 csrss.exe 118 PID 5504 wrote to memory of 5000 5504 csrss.exe 120 PID 5504 wrote to memory of 5000 5504 csrss.exe 120 PID 5504 wrote to memory of 5000 5504 csrss.exe 120 PID 5504 wrote to memory of 440 5504 csrss.exe 122 PID 5504 wrote to memory of 440 5504 csrss.exe 122 PID 2632 wrote to memory of 3956 2632 windefender.exe 128 PID 2632 wrote to memory of 3956 2632 windefender.exe 128 PID 2632 wrote to memory of 3956 2632 windefender.exe 128 PID 3956 wrote to memory of 6100 3956 cmd.exe 129 PID 3956 wrote to memory of 6100 3956 cmd.exe 129 PID 3956 wrote to memory of 6100 3956 cmd.exe 129 -
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\411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe"C:\Users\Admin\AppData\Local\Temp\411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1152 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:628
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C:\Users\Admin\AppData\Local\Temp\411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.exe"C:\Users\Admin\AppData\Local\Temp\411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238.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:5788 -
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:5636
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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:3056 -
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:2644
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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:1496
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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:4736
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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:5504 -
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:2088
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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:4028
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4460
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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:1036
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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:5000
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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:440
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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:2584
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2632 -
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:3956 -
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:6100
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5788 -s 6723⤵
- Program crash
PID:4408
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1152 -s 8802⤵
- Program crash
PID:5824
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1152 -ip 11521⤵PID:5744
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 5788 -ip 57881⤵PID:2740
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2232
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
MD5e609c3ccdc62cc7df4fc37bb764779cd
SHA142978d5ed0e04b1ec869d65f63febf3245ea9593
SHA25662b505859a69ed78fc45f21f10e2fa12c58897c1eec12688c87165341a99b012
SHA512b2a6be94c18b175420bbfd82b3f503ce8e3f07ab159d4878fc6d7bcef9585d6f9d525f034b2e45546309d0750039e11a536d0f152b1fc25b15ac6acdc915a90e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52e839ba02e018ce3c76870f456b00e6f
SHA157c88578cc24ed48a87b09ab4112a37153d7950b
SHA2563fc6411dc1f2446480b15719f046a37ac012644a3f20f233be1b12b4d309e390
SHA51248b82d284ca45c7fa58dc26b25ab59e808aee6a1de6c5a9bc35ac208f9d5753a705ec0f94c973ecfd7fea3eb94e659fbd0bac75e1a61071adad235d65183279f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52a66a391e43e72164c05c8e815936478
SHA136e8ae2a11512eb1a88b3cd39af1d5e9437a3d4b
SHA256e388ebc6287b69f4bf191148fc9b3f2e48e1e5297b714c1bf5aeb3084a7bbf00
SHA512835572987af97a4daeabe4c79e89a0a13fc20b40e42f8e7b79623b52da3513b050d06e90fc6a7ea65ab487acf89bf67c711cc1bb14f6b0b7754e42288e3c5aac
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b0a2a83c0de12a13a16893911011a99b
SHA188bda33160d473cc75557b163451f04cffae6e74
SHA256ff2febcb21de5e711e3f4d2d950fbc21c2c6ec3625a8c5d6eb15e9907525504b
SHA512b65ee69227a9827561e7127087f487386b7ac0a3020f04c6602cf9c556d4902d91e38e88269172c2af84bb628857a9358fdb3f0ea2a6692d6be17ce8595df8a3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a790256d69d73492319ee30d46cfe796
SHA12e3f8f934aab72ccdab031e71020b0d96c34f9a4
SHA25624233653dbf3e558245fecdde95bff2fab29cd3129f176f948fc6ac22df1a873
SHA512a4bbe0c986c6be0592336dacc6f1a1a948cb1f0d7da0d38fd32178768bf8f07e5e0bff725d065c88956bbde958a932df66e91c631ac544c1ff21fa31bbb67c3b
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Filesize
4.1MB
MD56c483ee8a3efdf90eda75ef0f70ccc2b
SHA118e628bef94b720ad0160d1f1f67cc48641bb60b
SHA256411b3b01d42c95d1d726c603d15df14a0e1c7d2fe5b3d6876296620442621238
SHA512c45a4da2821ec04fe751d11f7c8a2926cf66a6db2fa30600a5d1e7ecc0ed62e0f0bf6c3811f13cecef0cc0568ccd909b068a28cf5bc0053fdef17ff2bb00fb5f
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec