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Analysis
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max time kernel
151s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
22/09/2023, 01:20
Static task
static1
General
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Target
803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe
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Size
4.2MB
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MD5
8e55a9783e66f35b9ff86286d24079b2
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SHA1
af8a3427cf384cd52eb437e30da919474de6e21b
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SHA256
803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4
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SHA512
d1f917921ea631325832094c99f820bcd323f21d10e9ffed0edec5069700d374daa2933029310c8ad6ff1fa2e6e479a8878d975f335ce8568a32ad9544bb2931
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SSDEEP
98304:8mw1LPDnxxF+Jqv82oqnb20jW7y9i795h4PUaS1EdSCrvUqdsg:UJn1h8gj59e9U61EdRr
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral1/memory/1468-2-0x0000000002DB0000-0x000000000369B000-memory.dmp family_glupteba behavioral1/memory/1468-3-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1468-25-0x0000000002DB0000-0x000000000369B000-memory.dmp family_glupteba behavioral1/memory/1468-31-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1468-52-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2440-60-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1468-92-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2440-93-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2440-109-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2440-157-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2144-220-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2144-257-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2144-269-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2144-272-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2144-276-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2144-280-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2144-285-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2144-288-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2144-292-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2144-296-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2144-301-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 4680 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2144 csrss.exe 860 injector.exe 2112 windefender.exe 3780 windefender.exe -
resource yara_rule behavioral1/files/0x000500000001694e-261.dat upx behavioral1/files/0x000500000001694e-263.dat upx behavioral1/files/0x000500000001694e-264.dat upx behavioral1/memory/2112-266-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3780-270-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3780-278-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe Set value (str) \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\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 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe File created C:\Windows\rss\csrss.exe 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.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 1732 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3656 schtasks.exe 824 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.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\1e\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.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\1e\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.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\1e\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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 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\1e\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs 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\1e\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1476 powershell.exe 1476 powershell.exe 1468 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe 1468 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe 4648 powershell.exe 4648 powershell.exe 2440 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe 2440 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe 2440 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe 2440 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe 2440 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe 2440 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe 2440 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe 2440 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe 2440 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe 2440 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe 4576 powershell.exe 4576 powershell.exe 3048 powershell.exe 3048 powershell.exe 2288 powershell.exe 2288 powershell.exe 1788 powershell.exe 1788 powershell.exe 4472 powershell.exe 4472 powershell.exe 860 injector.exe 860 injector.exe 860 injector.exe 860 injector.exe 860 injector.exe 860 injector.exe 2144 csrss.exe 2144 csrss.exe 860 injector.exe 860 injector.exe 860 injector.exe 860 injector.exe 860 injector.exe 860 injector.exe 2144 csrss.exe 2144 csrss.exe 860 injector.exe 860 injector.exe 860 injector.exe 860 injector.exe 860 injector.exe 860 injector.exe 860 injector.exe 860 injector.exe 2144 csrss.exe 2144 csrss.exe 860 injector.exe 860 injector.exe 860 injector.exe 860 injector.exe 860 injector.exe 860 injector.exe 860 injector.exe 860 injector.exe 860 injector.exe 860 injector.exe 860 injector.exe 860 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1476 powershell.exe Token: SeDebugPrivilege 1468 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe Token: SeImpersonatePrivilege 1468 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe Token: SeDebugPrivilege 4648 powershell.exe Token: SeDebugPrivilege 4576 powershell.exe Token: SeDebugPrivilege 3048 powershell.exe Token: SeDebugPrivilege 2288 powershell.exe Token: SeDebugPrivilege 1788 powershell.exe Token: SeDebugPrivilege 4472 powershell.exe Token: SeSystemEnvironmentPrivilege 2144 csrss.exe Token: SeSecurityPrivilege 1732 sc.exe Token: SeSecurityPrivilege 1732 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1468 wrote to memory of 1476 1468 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe 87 PID 1468 wrote to memory of 1476 1468 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe 87 PID 1468 wrote to memory of 1476 1468 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe 87 PID 2440 wrote to memory of 4648 2440 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe 97 PID 2440 wrote to memory of 4648 2440 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe 97 PID 2440 wrote to memory of 4648 2440 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe 97 PID 2440 wrote to memory of 4904 2440 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe 99 PID 2440 wrote to memory of 4904 2440 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe 99 PID 4904 wrote to memory of 4680 4904 cmd.exe 101 PID 4904 wrote to memory of 4680 4904 cmd.exe 101 PID 2440 wrote to memory of 4576 2440 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe 102 PID 2440 wrote to memory of 4576 2440 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe 102 PID 2440 wrote to memory of 4576 2440 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe 102 PID 2440 wrote to memory of 3048 2440 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe 105 PID 2440 wrote to memory of 3048 2440 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe 105 PID 2440 wrote to memory of 3048 2440 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe 105 PID 2440 wrote to memory of 2144 2440 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe 107 PID 2440 wrote to memory of 2144 2440 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe 107 PID 2440 wrote to memory of 2144 2440 803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe 107 PID 2144 wrote to memory of 2288 2144 csrss.exe 108 PID 2144 wrote to memory of 2288 2144 csrss.exe 108 PID 2144 wrote to memory of 2288 2144 csrss.exe 108 PID 2144 wrote to memory of 1788 2144 csrss.exe 113 PID 2144 wrote to memory of 1788 2144 csrss.exe 113 PID 2144 wrote to memory of 1788 2144 csrss.exe 113 PID 2144 wrote to memory of 4472 2144 csrss.exe 117 PID 2144 wrote to memory of 4472 2144 csrss.exe 117 PID 2144 wrote to memory of 4472 2144 csrss.exe 117 PID 2144 wrote to memory of 860 2144 csrss.exe 119 PID 2144 wrote to memory of 860 2144 csrss.exe 119 PID 2112 wrote to memory of 32 2112 windefender.exe 125 PID 2112 wrote to memory of 32 2112 windefender.exe 125 PID 2112 wrote to memory of 32 2112 windefender.exe 125 PID 32 wrote to memory of 1732 32 cmd.exe 126 PID 32 wrote to memory of 1732 32 cmd.exe 126 PID 32 wrote to memory of 1732 32 cmd.exe 126 -
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\803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe"C:\Users\Admin\AppData\Local\Temp\803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1468 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1476
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C:\Users\Admin\AppData\Local\Temp\803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.exe"C:\Users\Admin\AppData\Local\Temp\803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4.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:2440 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4648
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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:4904 -
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:4680
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4576
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3048
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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:2144 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2288
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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:3656
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4836
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1788
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4472
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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:860
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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:824
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2112 -
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:32 -
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:1732
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3780
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
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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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55ccdee1143d91b8881b27fe2f68fd160
SHA17616032e95805b88d847f72a4c273102557a665a
SHA25663e0d17a6558c1f535a4dea59193a7db3e23d72133f49c809bee7015669d3db9
SHA512f4c85de5b179f01c992582d29debdfd7a2cd3396ee1700de2dbad454147b6f1eb269a23781512cd49323ce19befbaa10fa65e19d960106e10cfa55eea58c364a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5068d59565fe730717c668b0fd52e9476
SHA13a02fc71f276ac1bab57290995b2be93d675a592
SHA256de5f08f0e31040126eb637b53f1b84cad7a74115787773db037d07f51efe0586
SHA5123d09d53283436453b9fe0e8bf6d551b25286a3719a2c96cff39e59c26d6c05d8bc050b2c1f5bb7d388f26800134e261068ab1f8675ebca95899b20264f74f4a3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD517c9a0f2d46cd6d126366aa5465234fe
SHA1f49926f39174a2b3e0e55affc587c1352c827a9d
SHA256e9a1cebc7259c1ce1e456a259702a7a90bfddc0c49eb22292d408b34450db36f
SHA512640da5c7adeeeaae28eafe62a5c35c57e8b5f961b8972d2124b32b3ddade0f9050a5b9292e2db6df9facfa864b87c2d39c3bf8ab4686dd50993006ee432e6a34
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c4ac630334ab0d8702f051d1a35ddc49
SHA12b2e6b0ba2d495f5f3f13a2507b8ee2b537fcbc9
SHA256ac62b8e9fbd6307416fdad038618fdb25026067ed4c9947e5c1bfcb820351513
SHA512ba72a55b994bd0a4c8a27c2fb2af66bf4dacb45073b9dfbbe7d659b293f4e13bcff4d6e7ff88859ed34d3afa1cf3f528f4a0eaef89379cd4a7af646a93882ef7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f4f2363772ae59155303d13f367792b2
SHA165f4d3d960f6bdc873d34db689f2b106882c9438
SHA2562d6fa02c0d8a3de930d727a52f610b7dcc716946535d762d1fec9db9732b3bd1
SHA512f71b3a131c1f68e64cf00c95eab3353f72e896ce04b157ef6724c4c3830c5f5c8270cb99eee7485c0b83b6fb8f2a93c79e5a0a3c946b63043b9b680426cf0bd1
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Filesize
4.2MB
MD58e55a9783e66f35b9ff86286d24079b2
SHA1af8a3427cf384cd52eb437e30da919474de6e21b
SHA256803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4
SHA512d1f917921ea631325832094c99f820bcd323f21d10e9ffed0edec5069700d374daa2933029310c8ad6ff1fa2e6e479a8878d975f335ce8568a32ad9544bb2931
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Filesize
4.2MB
MD58e55a9783e66f35b9ff86286d24079b2
SHA1af8a3427cf384cd52eb437e30da919474de6e21b
SHA256803d6d624aac137b649befae628d46b886dc0dccec77b96a11cce496676d66b4
SHA512d1f917921ea631325832094c99f820bcd323f21d10e9ffed0edec5069700d374daa2933029310c8ad6ff1fa2e6e479a8878d975f335ce8568a32ad9544bb2931
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec