Analysis
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max time kernel
150s -
max time network
153s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
04/05/2024, 20:18
Static task
static1
Behavioral task
behavioral1
Sample
093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe
Resource
win10v2004-20240419-en
General
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Target
093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe
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Size
4.2MB
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MD5
dbdb501599d14223dae1aad6bbe91d94
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SHA1
26b42dfe4cd8eb952f1503f241ba0cf1e9aa77f8
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SHA256
093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc
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SHA512
45f30ff2c264755609924e0ac5f548130844f896125bda97474527fddf2d3906e1deee84ecdb3d073e3bb3a60ee9b58668ceb72b4d6904d34ed54d22400ba15a
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SSDEEP
98304:8yb2/pxGAqvjKGZ/7eD1UGv+HfQT3fTW6jcPg261rZIfuRXiGDb:H+GveK7x+17fTW6jidDWVicb
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/2524-2-0x0000000003F10000-0x00000000047FB000-memory.dmp family_glupteba behavioral2/memory/2524-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2524-86-0x0000000003F10000-0x00000000047FB000-memory.dmp family_glupteba behavioral2/memory/2524-84-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/4536-122-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/2524-134-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5084-198-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/5084-209-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/5084-212-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/5084-215-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/5084-218-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/5084-221-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/5084-224-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/5084-227-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/5084-230-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/5084-233-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/5084-236-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/5084-239-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral2/memory/5084-242-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1100 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 5084 csrss.exe 236 injector.exe 1100 windefender.exe 2340 windefender.exe -
resource yara_rule behavioral2/files/0x001a00000002ab2f-202.dat upx behavioral2/memory/1100-203-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2340-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1100-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2340-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2340-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2878097196-921257239-309638238-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2878097196-921257239-309638238-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe -
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 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe File created C:\Windows\rss\csrss.exe 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.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 644 sc.exe -
pid Process 5012 powershell.exe 1528 powershell.exe 3112 powershell.exe 1428 powershell.exe 3060 powershell.exe 1640 powershell.exe 2400 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 1904 schtasks.exe 5076 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,-651 = "AUS Central Daylight Time" 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.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" 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.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\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-401 = "Arabic Daylight 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\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.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,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard 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,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates 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\2a\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.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,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1528 powershell.exe 1528 powershell.exe 2524 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe 2524 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe 3112 powershell.exe 3112 powershell.exe 4536 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe 4536 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe 4536 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe 4536 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe 4536 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe 4536 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe 4536 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe 4536 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe 4536 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe 4536 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe 1428 powershell.exe 1428 powershell.exe 3060 powershell.exe 3060 powershell.exe 1640 powershell.exe 1640 powershell.exe 2400 powershell.exe 2400 powershell.exe 5012 powershell.exe 5012 powershell.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 5084 csrss.exe 5084 csrss.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 5084 csrss.exe 5084 csrss.exe 236 injector.exe 236 injector.exe 5084 csrss.exe 5084 csrss.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe 236 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1528 powershell.exe Token: SeDebugPrivilege 2524 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe Token: SeImpersonatePrivilege 2524 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe Token: SeDebugPrivilege 3112 powershell.exe Token: SeDebugPrivilege 1428 powershell.exe Token: SeDebugPrivilege 3060 powershell.exe Token: SeDebugPrivilege 1640 powershell.exe Token: SeDebugPrivilege 2400 powershell.exe Token: SeDebugPrivilege 5012 powershell.exe Token: SeSystemEnvironmentPrivilege 5084 csrss.exe Token: SeSecurityPrivilege 644 sc.exe Token: SeSecurityPrivilege 644 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2524 wrote to memory of 1528 2524 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe 82 PID 2524 wrote to memory of 1528 2524 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe 82 PID 2524 wrote to memory of 1528 2524 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe 82 PID 4536 wrote to memory of 3112 4536 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe 87 PID 4536 wrote to memory of 3112 4536 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe 87 PID 4536 wrote to memory of 3112 4536 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe 87 PID 4536 wrote to memory of 3160 4536 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe 89 PID 4536 wrote to memory of 3160 4536 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe 89 PID 3160 wrote to memory of 1100 3160 cmd.exe 91 PID 3160 wrote to memory of 1100 3160 cmd.exe 91 PID 4536 wrote to memory of 1428 4536 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe 92 PID 4536 wrote to memory of 1428 4536 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe 92 PID 4536 wrote to memory of 1428 4536 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe 92 PID 4536 wrote to memory of 3060 4536 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe 94 PID 4536 wrote to memory of 3060 4536 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe 94 PID 4536 wrote to memory of 3060 4536 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe 94 PID 4536 wrote to memory of 5084 4536 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe 96 PID 4536 wrote to memory of 5084 4536 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe 96 PID 4536 wrote to memory of 5084 4536 093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe 96 PID 5084 wrote to memory of 1640 5084 csrss.exe 97 PID 5084 wrote to memory of 1640 5084 csrss.exe 97 PID 5084 wrote to memory of 1640 5084 csrss.exe 97 PID 5084 wrote to memory of 2400 5084 csrss.exe 102 PID 5084 wrote to memory of 2400 5084 csrss.exe 102 PID 5084 wrote to memory of 2400 5084 csrss.exe 102 PID 5084 wrote to memory of 5012 5084 csrss.exe 105 PID 5084 wrote to memory of 5012 5084 csrss.exe 105 PID 5084 wrote to memory of 5012 5084 csrss.exe 105 PID 5084 wrote to memory of 236 5084 csrss.exe 107 PID 5084 wrote to memory of 236 5084 csrss.exe 107 PID 1100 wrote to memory of 4964 1100 windefender.exe 113 PID 1100 wrote to memory of 4964 1100 windefender.exe 113 PID 1100 wrote to memory of 4964 1100 windefender.exe 113 PID 4964 wrote to memory of 644 4964 cmd.exe 114 PID 4964 wrote to memory of 644 4964 cmd.exe 114 PID 4964 wrote to memory of 644 4964 cmd.exe 114 -
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\093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe"C:\Users\Admin\AppData\Local\Temp\093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2524 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1528
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C:\Users\Admin\AppData\Local\Temp\093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.exe"C:\Users\Admin\AppData\Local\Temp\093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc.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:4536 -
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:3112
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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:3160 -
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:1100
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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:1428
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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:3060
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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:5084 -
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:1640
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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:5076
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:724
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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:2400
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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:5012
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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:236
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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:1904
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1100 -
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:4964 -
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:644
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2340
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD571eb60ed323fa7aa0301d4e6c44679e7
SHA149a35ee018a1d773113b8c7c0d6f5c98d07f162b
SHA25668a9217021ecd93c1dc41a4601a54556b5bad2b869c9e1d93662bb057d641f72
SHA51221e0c6f85f66022ddfa74cf26cbc5ff944eb80e77073dcd3eea0efe5abab5d0e42922f5dacaaec6b74b3013e5007386c8075cba059c1539407277a99531aa337
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58b71bc8d0cf4d0cd0af5f21a01f49fa4
SHA1f1419fe2a86d5c8ba868ad35f799521b4f39ab62
SHA256f5e0952d3b41653b88b29a6bf3e422b6b583e61ee8c8b83388b489f496bfea3d
SHA51250e6435f70b37f58369afc367f675a987e7ce0615282211b7c21995c8c8bca70404a9d96f4b6a9d470882dac42952e361e0ab9550829c1e41c29ec512c522b1b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51ceffe54cd47e078b180099e2718aaf7
SHA1758c037d3a0a7141f33504a3f1cba6caa6cc4b61
SHA25663ebedbd2a2197e1c3d943325a3d21b258f8b5c147da21fd6446d4501788417c
SHA512d9a80f348a88271a41de862dd97e87d7da9ea38b56f7c981f70edec23c9a680d97a0d348ea817b3f14ea72dc7589d0765ccef959ecb8b247dea694396239a7da
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ce5165eb8f05ba544680d33a383002b1
SHA1e82c5f0c50b83f33c0184fe8986bb56682fe5400
SHA256ef2ed564beb07bf8741af5231d91b193e0a46fcc70220c3dfabb1c18f9feb1ba
SHA512a23a50b98a32d1511fdca3d2604bd8c8026a2a9cf7fc7170c0eeb97461d396ff654c60aea53549c7643d858e086dce9654cbe7ba986f28d3416a934dd2a8e656
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51ac566ae156d88f8e3d29e9e8cb720d9
SHA15015128d243d4878d71f41b88eb7f8aa56877241
SHA256540066d32b4fae73ce06a500d19b8257673c672c8d691caa7a656ef2f59c0d0b
SHA5124ba3ce441558be91286ed9123d7f6a84e3055d8ca710f6200871e5ae840a8fc05d9aa5a4c4f2e2b9f9c01c8b51bc318345f3c31cc35390bd58ec430eb90a06b6
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Filesize
4.2MB
MD5dbdb501599d14223dae1aad6bbe91d94
SHA126b42dfe4cd8eb952f1503f241ba0cf1e9aa77f8
SHA256093078dfea4961d666ff4fb56526ec7de4cf592da90049e70b0fe62c1a74b3dc
SHA51245f30ff2c264755609924e0ac5f548130844f896125bda97474527fddf2d3906e1deee84ecdb3d073e3bb3a60ee9b58668ceb72b4d6904d34ed54d22400ba15a
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec