Analysis
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max time kernel
150s -
max time network
153s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 12:45
Static task
static1
Behavioral task
behavioral1
Sample
e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe
Resource
win10v2004-20240508-en
General
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Target
e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe
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Size
4.1MB
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MD5
fe9d984e37dfe8bfd868c7269cf74e70
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SHA1
171a98e62b4212f7c2c7f4f8908690b299c6eecc
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SHA256
e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e
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SHA512
b8fde8258f6cf1cb8e9d89b63b789b573392c21b8fa84e8051d1e7d81d7f1090c7fbf2a4c8d82f9c3f5d239aed05f65a2a792007b93524e8150a468eecc7b3d3
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SSDEEP
98304:nBVs1p4PpCxl89qkqVHLjfQjDTn2r+Nbm:Ba1p4P0l8MfVLMTrm
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/4628-2-0x0000000004D30000-0x000000000561B000-memory.dmp family_glupteba behavioral2/memory/4628-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4628-22-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4628-50-0x0000000004D30000-0x000000000561B000-memory.dmp family_glupteba behavioral2/memory/4628-72-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4628-70-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1888-71-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/1888-121-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/5112-192-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/5112-202-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/5112-210-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/5112-213-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/5112-216-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/5112-219-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/5112-222-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/5112-225-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/5112-228-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/5112-231-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2120 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 5112 csrss.exe 4632 injector.exe 1052 windefender.exe 3880 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa57-200.dat upx behavioral2/memory/1052-203-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3880-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1052-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3880-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3880-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\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 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 -
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 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe File created C:\Windows\rss\csrss.exe e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.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 3332 sc.exe -
pid Process 1492 powershell.exe 4956 powershell.exe 2000 powershell.exe 2812 powershell.exe 2976 powershell.exe 3136 powershell.exe 4308 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 3036 schtasks.exe 2408 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 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,-162 = "Central Standard Time" e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-691 = "Tasmania 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,-332 = "E. Europe Standard Time" e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard 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,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\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,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-841 = "Argentina 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,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.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,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4308 powershell.exe 4308 powershell.exe 4628 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 4628 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 1492 powershell.exe 1492 powershell.exe 1888 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 1888 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 1888 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 1888 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 1888 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 1888 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 1888 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 1888 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 1888 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 1888 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 4956 powershell.exe 4956 powershell.exe 2000 powershell.exe 2000 powershell.exe 2812 powershell.exe 2812 powershell.exe 2976 powershell.exe 2976 powershell.exe 3136 powershell.exe 3136 powershell.exe 4632 injector.exe 4632 injector.exe 4632 injector.exe 4632 injector.exe 4632 injector.exe 4632 injector.exe 5112 csrss.exe 5112 csrss.exe 4632 injector.exe 4632 injector.exe 4632 injector.exe 4632 injector.exe 4632 injector.exe 4632 injector.exe 5112 csrss.exe 5112 csrss.exe 4632 injector.exe 4632 injector.exe 5112 csrss.exe 5112 csrss.exe 4632 injector.exe 4632 injector.exe 4632 injector.exe 4632 injector.exe 4632 injector.exe 4632 injector.exe 4632 injector.exe 4632 injector.exe 4632 injector.exe 4632 injector.exe 4632 injector.exe 4632 injector.exe 4632 injector.exe 4632 injector.exe 4632 injector.exe 4632 injector.exe 4632 injector.exe 4632 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4308 powershell.exe Token: SeDebugPrivilege 4628 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe Token: SeImpersonatePrivilege 4628 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe Token: SeDebugPrivilege 1492 powershell.exe Token: SeDebugPrivilege 4956 powershell.exe Token: SeDebugPrivilege 2000 powershell.exe Token: SeDebugPrivilege 2812 powershell.exe Token: SeDebugPrivilege 2976 powershell.exe Token: SeDebugPrivilege 3136 powershell.exe Token: SeSystemEnvironmentPrivilege 5112 csrss.exe Token: SeSecurityPrivilege 3332 sc.exe Token: SeSecurityPrivilege 3332 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4628 wrote to memory of 4308 4628 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 78 PID 4628 wrote to memory of 4308 4628 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 78 PID 4628 wrote to memory of 4308 4628 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 78 PID 1888 wrote to memory of 1492 1888 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 83 PID 1888 wrote to memory of 1492 1888 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 83 PID 1888 wrote to memory of 1492 1888 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 83 PID 1888 wrote to memory of 1588 1888 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 85 PID 1888 wrote to memory of 1588 1888 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 85 PID 1588 wrote to memory of 2120 1588 cmd.exe 87 PID 1588 wrote to memory of 2120 1588 cmd.exe 87 PID 1888 wrote to memory of 4956 1888 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 88 PID 1888 wrote to memory of 4956 1888 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 88 PID 1888 wrote to memory of 4956 1888 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 88 PID 1888 wrote to memory of 2000 1888 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 90 PID 1888 wrote to memory of 2000 1888 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 90 PID 1888 wrote to memory of 2000 1888 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 90 PID 1888 wrote to memory of 5112 1888 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 92 PID 1888 wrote to memory of 5112 1888 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 92 PID 1888 wrote to memory of 5112 1888 e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe 92 PID 5112 wrote to memory of 2812 5112 csrss.exe 93 PID 5112 wrote to memory of 2812 5112 csrss.exe 93 PID 5112 wrote to memory of 2812 5112 csrss.exe 93 PID 5112 wrote to memory of 2976 5112 csrss.exe 99 PID 5112 wrote to memory of 2976 5112 csrss.exe 99 PID 5112 wrote to memory of 2976 5112 csrss.exe 99 PID 5112 wrote to memory of 3136 5112 csrss.exe 101 PID 5112 wrote to memory of 3136 5112 csrss.exe 101 PID 5112 wrote to memory of 3136 5112 csrss.exe 101 PID 5112 wrote to memory of 4632 5112 csrss.exe 103 PID 5112 wrote to memory of 4632 5112 csrss.exe 103 PID 1052 wrote to memory of 1184 1052 windefender.exe 109 PID 1052 wrote to memory of 1184 1052 windefender.exe 109 PID 1052 wrote to memory of 1184 1052 windefender.exe 109 PID 1184 wrote to memory of 3332 1184 cmd.exe 110 PID 1184 wrote to memory of 3332 1184 cmd.exe 110 PID 1184 wrote to memory of 3332 1184 cmd.exe 110 -
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\e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe"C:\Users\Admin\AppData\Local\Temp\e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4628 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4308
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C:\Users\Admin\AppData\Local\Temp\e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.exe"C:\Users\Admin\AppData\Local\Temp\e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e.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:1888 -
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:1492
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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:1588 -
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:2120
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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:4956
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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:2000
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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:5112 -
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:2812
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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:3036
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4676
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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:2976
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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:3136
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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:4632
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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:2408
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1052 -
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:1184 -
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:3332
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3880
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
MD5e5b3e3eb1e5d5ce00f3577e6ecfe9d45
SHA179464612609bc34985abdde80c7a5f07e0358b2f
SHA25690214b0cc0cd07d85991f0db1e42a39dc951e2ad13867ce2a338160e2ea9c4e7
SHA5122b123a7fd40ff080c1b2f34e4f9ab4d0e8e83bffc7c599445482a5ca1bb2f4e5c0bda00f4fe906cd0970f4123c8ab1bf90560bd3f04ce3fb1d6a40b333ee0394
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51fc31b2deab7ad2b755dfa7c02844f8c
SHA1ed8e3bc2c7eb3315c23bfe08b46251f9fd4e7af8
SHA2566e44a3a602559c421d0f9adfa0d0b6df5e0f9982c3ba490e20ff6d7985fa8149
SHA512027fe14985de4fe4251d0c1053dcc43b624df3420934a14476b7c7c76d4a75ea8774a22b0dc1f12826d3c52b0218113fcfea2ecd8e219ef406e7ecf8b37e65a4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f6bc1d5e2e20f78b0c5f1bacffdf12d9
SHA156207b72e4d491ba45282b5f61711eaed5ae623a
SHA2568f3bcf14b74a04882a6154ca63b92261bd6503ea71263ae63d18cf162f0e6313
SHA512c39ca36bcefa7d253f3a884809ffe983c55a026c0496de806f9273a2d92551514bfbc9510bd7300851e04fa3c3dd4dc1174316d3f0184d3153ac2adae3e2b21a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56e384ad3ec3475653739f19b8c1a7988
SHA173262e7580e059b7442bcf4aae0d169c9bb4d744
SHA25609eccde1a1bf580737cccd878c19710c7c51f9e2e28401ae62a5b6aca3370e9b
SHA5121ebb97dea10084230eaf7ad8f51d61b9e55dd335046f761fd5fba6280f32cdc9476da79eb341387436fe1d2ab881c64febb3836ad2e3f412e432e063ce6fca7a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5393be4dc9259c885ddad530610aad9cd
SHA1f3ce83fb8d88e32fb382968d38d6e5c65cfbcba9
SHA256e54ba6e5daa954903f9a8725f45eecfd6d211bc25ad5a3aef6ec975a68626bd9
SHA512d5443e06a192582b1429e034031fd1cddc19aef884caf7904012738945d261afaa3137c9766602dcae443f24a20c9d6a3f1734c7712591bfcc270503f2471705
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Filesize
4.1MB
MD5fe9d984e37dfe8bfd868c7269cf74e70
SHA1171a98e62b4212f7c2c7f4f8908690b299c6eecc
SHA256e1698274981ab7257624003bdf1765908408d05171a13c832397d72dbba5ab7e
SHA512b8fde8258f6cf1cb8e9d89b63b789b573392c21b8fa84e8051d1e7d81d7f1090c7fbf2a4c8d82f9c3f5d239aed05f65a2a792007b93524e8150a468eecc7b3d3
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec