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Analysis
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max time kernel
150s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240214-en -
resource tags
arch:x64arch:x86image:win11-20240214-enlocale:en-usos:windows11-21h2-x64system -
submitted
10/04/2024, 16:04
Static task
static1
Behavioral task
behavioral1
Sample
6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe
Resource
win10v2004-20240226-en
General
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Target
6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe
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Size
4.2MB
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MD5
185725cb6be455e4aa726f40b6811b87
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SHA1
dbdd4f07a5e1ef3b9e2fb6f44180716dc95cd520
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SHA256
6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b
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SHA512
956dbe4adcde579ee7d5136f46e420c43c22da7aea864bd1bce581998b289ac418d8819dcd61795cc1e91a02abb0df145e068aaf9e79081ed9372bea99b770e4
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SSDEEP
98304:ZJ2TeUH8/uS6eL0aHdH7UGUU20SnsTwVT7LLkBu2t36pnie94+7Zl7mt:Z8yuJSH7X20SnsUR7kBD36pie94OZl7G
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/3644-2-0x0000000003270000-0x0000000003B5B000-memory.dmp family_glupteba behavioral2/memory/3644-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3644-51-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3644-53-0x0000000003270000-0x0000000003B5B000-memory.dmp family_glupteba behavioral2/memory/3884-55-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3884-91-0x0000000002C30000-0x0000000003038000-memory.dmp family_glupteba behavioral2/memory/3884-114-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3884-131-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3884-151-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4968-226-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4968-248-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4968-259-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4968-263-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4968-268-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4968-272-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4968-275-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4968-279-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4968-283-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4968-288-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1680 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4968 csrss.exe 2192 injector.exe 608 windefender.exe 4660 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a76f-251.dat upx behavioral2/memory/608-256-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4660-261-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4660-269-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2567984660-2719943099-2683635618-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe Set value (str) \REGISTRY\USER\S-1-5-21-2567984660-2719943099-2683635618-1000\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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
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 6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe File created C:\Windows\rss\csrss.exe 6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe File created 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 2964 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 4756 schtasks.exe 1192 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" 6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4860 powershell.exe 4860 powershell.exe 3644 6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe 3644 6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe 428 powershell.exe 428 powershell.exe 3884 6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe 3884 6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe 3884 6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe 3884 6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe 3884 6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe 3884 6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe 3884 6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe 3884 6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe 3884 6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe 3884 6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe 1328 powershell.exe 1328 powershell.exe 784 powershell.exe 784 powershell.exe 2392 powershell.exe 2392 powershell.exe 3676 powershell.exe 3676 powershell.exe 2420 powershell.exe 2420 powershell.exe 2192 injector.exe 2192 injector.exe 2192 injector.exe 2192 injector.exe 2192 injector.exe 2192 injector.exe 4968 csrss.exe 4968 csrss.exe 2192 injector.exe 2192 injector.exe 2192 injector.exe 2192 injector.exe 2192 injector.exe 2192 injector.exe 4968 csrss.exe 4968 csrss.exe 2192 injector.exe 2192 injector.exe 4968 csrss.exe 4968 csrss.exe 2192 injector.exe 2192 injector.exe 2192 injector.exe 2192 injector.exe 2192 injector.exe 2192 injector.exe 2192 injector.exe 2192 injector.exe 2192 injector.exe 2192 injector.exe 2192 injector.exe 2192 injector.exe 2192 injector.exe 2192 injector.exe 2192 injector.exe 2192 injector.exe 2192 injector.exe 2192 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4860 powershell.exe Token: SeDebugPrivilege 3644 6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe Token: SeImpersonatePrivilege 3644 6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe Token: SeDebugPrivilege 428 powershell.exe Token: SeDebugPrivilege 1328 powershell.exe Token: SeDebugPrivilege 784 powershell.exe Token: SeDebugPrivilege 2392 powershell.exe Token: SeDebugPrivilege 3676 powershell.exe Token: SeDebugPrivilege 2420 powershell.exe Token: SeSystemEnvironmentPrivilege 4968 csrss.exe Token: SeSecurityPrivilege 2964 sc.exe Token: SeSecurityPrivilege 2964 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3644 wrote to memory of 4860 3644 6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe 77 PID 3644 wrote to memory of 4860 3644 6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe 77 PID 3644 wrote to memory of 4860 3644 6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe 77 PID 3884 wrote to memory of 428 3884 6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe 82 PID 3884 wrote to memory of 428 3884 6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe 82 PID 3884 wrote to memory of 428 3884 6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe 82 PID 3884 wrote to memory of 4836 3884 6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe 84 PID 3884 wrote to memory of 4836 3884 6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe 84 PID 4836 wrote to memory of 1680 4836 cmd.exe 86 PID 4836 wrote to memory of 1680 4836 cmd.exe 86 PID 3884 wrote to memory of 1328 3884 6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe 87 PID 3884 wrote to memory of 1328 3884 6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe 87 PID 3884 wrote to memory of 1328 3884 6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe 87 PID 3884 wrote to memory of 784 3884 6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe 89 PID 3884 wrote to memory of 784 3884 6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe 89 PID 3884 wrote to memory of 784 3884 6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe 89 PID 3884 wrote to memory of 4968 3884 6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe 91 PID 3884 wrote to memory of 4968 3884 6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe 91 PID 3884 wrote to memory of 4968 3884 6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe 91 PID 4968 wrote to memory of 2392 4968 csrss.exe 92 PID 4968 wrote to memory of 2392 4968 csrss.exe 92 PID 4968 wrote to memory of 2392 4968 csrss.exe 92 PID 4968 wrote to memory of 3676 4968 csrss.exe 97 PID 4968 wrote to memory of 3676 4968 csrss.exe 97 PID 4968 wrote to memory of 3676 4968 csrss.exe 97 PID 4968 wrote to memory of 2420 4968 csrss.exe 100 PID 4968 wrote to memory of 2420 4968 csrss.exe 100 PID 4968 wrote to memory of 2420 4968 csrss.exe 100 PID 4968 wrote to memory of 2192 4968 csrss.exe 102 PID 4968 wrote to memory of 2192 4968 csrss.exe 102 PID 608 wrote to memory of 2492 608 windefender.exe 108 PID 608 wrote to memory of 2492 608 windefender.exe 108 PID 608 wrote to memory of 2492 608 windefender.exe 108 PID 2492 wrote to memory of 2964 2492 cmd.exe 109 PID 2492 wrote to memory of 2964 2492 cmd.exe 109 PID 2492 wrote to memory of 2964 2492 cmd.exe 109 -
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\6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe"C:\Users\Admin\AppData\Local\Temp\6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3644 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4860
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C:\Users\Admin\AppData\Local\Temp\6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.exe"C:\Users\Admin\AppData\Local\Temp\6164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b.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:3884 -
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:428
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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:4836 -
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:1680
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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:1328
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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:784
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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:4968 -
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:2392
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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:4756
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:5036
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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:3676
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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:2420
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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:2192
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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:1192
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:608 -
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:2492 -
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:2964
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4660
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
MD56f91885b8e3ec41552c69e400916038d
SHA16e0d45e853f953b13a84ae2aa45b3e89ad22c706
SHA25607b7d04222aeda9dd0cc4db2b393053c5bdd5c4b48b7007cb5dac3985779f445
SHA5126556efe0a2516782e6491069ec60176080bc754273b94d38bf452432b680fe515b54947e8f26c01b9b4e1734c0220df493440487209eeeef9c2277aace178c08
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a2b644c0269d52b81c4d5c084fb0194e
SHA1935b3a21e693a683a65e3459fef36b2675a78018
SHA25649b75fc3b0ce0341a0d614a355bd5eb8a77332294c7d3fa996354b11b42ff21a
SHA5127be8c8c86ba63176eb8f32ddd6c8f6f1dc6e7d6cea4566d3c9f3d8db9f9a695b29380373985133c0ae6cf6946a197df448af52fc1115a23e7283db5435923d1d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD557b7aa4ed641bcd1b714697e741f75f3
SHA11d3f9bf7860e886471cdb50e7972b8e09a073d39
SHA25689094bd47f86be8068cedfe578aa6a07257781fb8f30bdd6640941094ac69e7c
SHA512ce96d02f905225148b4e87c5b645a8e69d57b40e3bf7801d177849be04a064965c5c85a7c177cf39739260761cf82bc48c3f207b90c796190065a6f2bdf7b66a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5590519d44af3f684bd1e3e6e3e533dd6
SHA159f850e2543e06f0543369f93e0534c7b1f5c099
SHA256d2e58b6d7fbea37c459d88ebd0b5e2625b91de8e2b04d11418021bb8e618a607
SHA5120a9c158f73e200008bc19b0a8eb43e3ada57884c8349582204fd60b34b3d019c8f402c40819645be29e7983cfbe406e3bb7dba55701a641b302005bbaa947248
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54586955b8ce5d79bc06ddf6d5ae38a47
SHA13bf65ec63979c0163f98c998362e3c79b9252391
SHA256ed156ae370ec24edc7375efc1b72e2d092501b581bf9d05b8b65a38cb2068818
SHA512377b4ecc983d4fb51bac40681a29ee9442e514cc76dd74f8b8972e83d2de6b9a5ba68afd470ea76f2986469ef40b12731f9c76607811cea48af12882165a6091
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Filesize
4.2MB
MD5185725cb6be455e4aa726f40b6811b87
SHA1dbdd4f07a5e1ef3b9e2fb6f44180716dc95cd520
SHA2566164e4aca8ce0c287ecb9c72b7012b9409a7e332049774d80e187bb23901196b
SHA512956dbe4adcde579ee7d5136f46e420c43c22da7aea864bd1bce581998b289ac418d8819dcd61795cc1e91a02abb0df145e068aaf9e79081ed9372bea99b770e4
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec