Analysis
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max time kernel
149s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
15-05-2024 18:17
Static task
static1
Behavioral task
behavioral1
Sample
9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe
Resource
win10v2004-20240508-en
General
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Target
9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe
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Size
4.1MB
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MD5
367e32369722564739386c9489aaf3e8
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SHA1
69a082d73fec207ebb7aa7126ed9f00445203a77
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SHA256
9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c
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SHA512
63aeff0e724534d79e2a86a970e0f2dfd7f92095a82dc4a3374890616fbd02cffe0ab080267b1da3cad28a0ba5a12e64a571da6d1b47b149ef756fd58ac62b94
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SSDEEP
98304:YoKALZtLSnhBaG13jSGzI9y04m/Xf7c/d7YDSGfJg5NEka2Q+gGy:YC1IraEjIw04m/Xfo4a5yka2Q+gN
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/1604-2-0x0000000004BE0000-0x00000000054CB000-memory.dmp family_glupteba behavioral1/memory/1604-4-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1604-3-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/1604-56-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/1604-58-0x0000000004BE0000-0x00000000054CB000-memory.dmp family_glupteba behavioral1/memory/1604-59-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2564-71-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2564-134-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2564-138-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2488-216-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2488-224-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2488-235-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2488-238-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2488-241-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2488-244-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2488-247-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2488-250-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2488-253-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4768 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2488 csrss.exe 1688 injector.exe 5092 windefender.exe 3328 windefender.exe -
resource yara_rule behavioral1/files/0x000a00000002343a-227.dat upx behavioral1/memory/5092-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3328-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5092-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3328-236-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3328-242-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\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\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 File created 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 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe File created C:\Windows\rss\csrss.exe 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.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 2116 sc.exe -
pid Process 5020 powershell.exe 2324 powershell.exe 2052 powershell.exe 4140 powershell.exe 2548 powershell.exe 4468 powershell.exe 2488 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4896 schtasks.exe 2236 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-448 = "Azerbaijan 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\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.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,-442 = "Arabian Standard Time" windefender.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,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.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\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2842 = "Saratov 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" 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.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\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.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,-1841 = "Russia TZ 4 Daylight Time" 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2488 powershell.exe 2488 powershell.exe 1604 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 1604 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 5020 powershell.exe 5020 powershell.exe 2564 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 2564 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 2564 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 2564 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 2564 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 2564 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 2564 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 2564 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 2564 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 2564 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 2324 powershell.exe 2324 powershell.exe 2052 powershell.exe 2052 powershell.exe 4140 powershell.exe 4140 powershell.exe 2548 powershell.exe 2548 powershell.exe 4468 powershell.exe 4468 powershell.exe 1688 injector.exe 1688 injector.exe 1688 injector.exe 1688 injector.exe 1688 injector.exe 1688 injector.exe 2488 csrss.exe 2488 csrss.exe 1688 injector.exe 1688 injector.exe 1688 injector.exe 1688 injector.exe 1688 injector.exe 1688 injector.exe 2488 csrss.exe 2488 csrss.exe 1688 injector.exe 1688 injector.exe 1688 injector.exe 1688 injector.exe 2488 csrss.exe 2488 csrss.exe 1688 injector.exe 1688 injector.exe 1688 injector.exe 1688 injector.exe 1688 injector.exe 1688 injector.exe 1688 injector.exe 1688 injector.exe 1688 injector.exe 1688 injector.exe 1688 injector.exe 1688 injector.exe 1688 injector.exe 1688 injector.exe 1688 injector.exe 1688 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2488 powershell.exe Token: SeDebugPrivilege 1604 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe Token: SeImpersonatePrivilege 1604 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe Token: SeDebugPrivilege 5020 powershell.exe Token: SeDebugPrivilege 2324 powershell.exe Token: SeDebugPrivilege 2052 powershell.exe Token: SeDebugPrivilege 4140 powershell.exe Token: SeDebugPrivilege 2548 powershell.exe Token: SeDebugPrivilege 4468 powershell.exe Token: SeSystemEnvironmentPrivilege 2488 csrss.exe Token: SeSecurityPrivilege 2116 sc.exe Token: SeSecurityPrivilege 2116 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1604 wrote to memory of 2488 1604 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 95 PID 1604 wrote to memory of 2488 1604 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 95 PID 1604 wrote to memory of 2488 1604 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 95 PID 2564 wrote to memory of 5020 2564 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 101 PID 2564 wrote to memory of 5020 2564 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 101 PID 2564 wrote to memory of 5020 2564 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 101 PID 2564 wrote to memory of 4404 2564 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 104 PID 2564 wrote to memory of 4404 2564 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 104 PID 4404 wrote to memory of 4768 4404 cmd.exe 106 PID 4404 wrote to memory of 4768 4404 cmd.exe 106 PID 2564 wrote to memory of 2324 2564 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 107 PID 2564 wrote to memory of 2324 2564 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 107 PID 2564 wrote to memory of 2324 2564 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 107 PID 2564 wrote to memory of 2052 2564 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 109 PID 2564 wrote to memory of 2052 2564 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 109 PID 2564 wrote to memory of 2052 2564 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 109 PID 2564 wrote to memory of 2488 2564 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 111 PID 2564 wrote to memory of 2488 2564 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 111 PID 2564 wrote to memory of 2488 2564 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 111 PID 2488 wrote to memory of 4140 2488 csrss.exe 112 PID 2488 wrote to memory of 4140 2488 csrss.exe 112 PID 2488 wrote to memory of 4140 2488 csrss.exe 112 PID 2488 wrote to memory of 2548 2488 csrss.exe 118 PID 2488 wrote to memory of 2548 2488 csrss.exe 118 PID 2488 wrote to memory of 2548 2488 csrss.exe 118 PID 2488 wrote to memory of 4468 2488 csrss.exe 120 PID 2488 wrote to memory of 4468 2488 csrss.exe 120 PID 2488 wrote to memory of 4468 2488 csrss.exe 120 PID 2488 wrote to memory of 1688 2488 csrss.exe 122 PID 2488 wrote to memory of 1688 2488 csrss.exe 122 PID 5092 wrote to memory of 2088 5092 windefender.exe 129 PID 5092 wrote to memory of 2088 5092 windefender.exe 129 PID 5092 wrote to memory of 2088 5092 windefender.exe 129 PID 2088 wrote to memory of 2116 2088 cmd.exe 130 PID 2088 wrote to memory of 2116 2088 cmd.exe 130 PID 2088 wrote to memory of 2116 2088 cmd.exe 130 -
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\9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe"C:\Users\Admin\AppData\Local\Temp\9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1604 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2488
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C:\Users\Admin\AppData\Local\Temp\9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe"C:\Users\Admin\AppData\Local\Temp\9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.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:2564 -
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:5020
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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:4404 -
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:4768
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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:2324
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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:2052
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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:2488 -
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:4140
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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:4896
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:116
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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:2548
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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:4468
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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:1688
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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:2236
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5092 -
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:2088 -
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:2116
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3328
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
MD5edaeb4439b414bf07ffc70b0cce4519e
SHA141c6931a88a2a024c4936199f96850fdb8bb8520
SHA2564c2d8dfdd77079b3f4aa414d1ce1c095d0f921f97e2f7d9e68335ca5622a6991
SHA5122331cc7191206ba8352f874fef58a820d73a151d56a94ef1091eb2bc6aba5a9496538a103cd86c3fa5fb694a8288167db94cd0d57b509fee87213bc341d06171
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD557015163798c0f1fd2798221bb2cd351
SHA1a14c8c4f52abac67ee97c9a5859588f4285fa90e
SHA2567b9020f5ae23b7dda97c67cedeb04f70f1f5445fd4d970ba23889821665c391d
SHA512585a642b33b2d92bcc1b03f8042dc89c0be11f283b279f8d4314dd4bef80fd99e3afb868509636c61fc263283b00abee24ac365f4193bcd9f56c22970b425905
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cd22c861f56d1d6a6f7945f3167d3081
SHA1f505bb22b777208b2f84f7bf5a463af21dd83010
SHA256217be8760d94bec6ea6b4f3c89cf74c64a4e7f5a15327919de9e56ec37c4e17f
SHA5126dd2c6d6436ae78a3cda9c928ae5c536a9d853e4018cc46175025eba830416f58c7e1fe48f540e7dae0366ec29c5c5811643cfebc2cbd48b9c1b759bd23ea2ab
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52db57aa408222ba413edf552acf34293
SHA17163c7032e0198d4870fdee81ab6a2521b146a3d
SHA2563bf308806543054400b0155df7696b7d7c7490cbdc25d4f521d4c454d44a0c1d
SHA51262ba44f7f18a6c71b9bdc97924037769cfbe53088f0639db747f43ab90a12f678a4b0c665b96dd55976b9f2c2ca70551c4c593d214dfc07ac1595076394c9894
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD522ddf0308cdfab03c04ba735c6e45be5
SHA1e1fff1d0bb73690e77c9f16a28a142e1048e50dc
SHA256ed7cfab6fd1f86181dcc91c71eb8612d5f6270eefc75f38aac223563893ea691
SHA5123181dd881d9d2140d7bb5e066a39184e64ca2238bd7b317b0721ae762132cc5a7ca79df66de0e262ab446e15b1e81caba2882905954649d2a00bbb799610fd21
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Filesize
4.1MB
MD5367e32369722564739386c9489aaf3e8
SHA169a082d73fec207ebb7aa7126ed9f00445203a77
SHA2569388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c
SHA51263aeff0e724534d79e2a86a970e0f2dfd7f92095a82dc4a3374890616fbd02cffe0ab080267b1da3cad28a0ba5a12e64a571da6d1b47b149ef756fd58ac62b94
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec