Analysis
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max time kernel
151s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
20-07-2023 09:14
Static task
static1
General
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Target
844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe
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Size
4.2MB
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MD5
6f9d6beb06b59abac1b1b6e2290dc5fd
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SHA1
2cd214213ab02414e5a022019ccc6fba039ff240
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SHA256
844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c
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SHA512
e30189612ee907063f671c2e9d120b39a3a47fd2ecd7de002237203b810419085e7b03009cac38492d3b62a471a75a0b4f7ac25de95066d425477f8dd62c73bd
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SSDEEP
98304:EeBAJBT1BzjKZIV3Elg7/TGofoX9UQHEo3bUH3FNDaMJ:1qz3ElM/T3foOGYH3n2I
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/4036-135-0x0000000003120000-0x0000000003A0B000-memory.dmp family_glupteba behavioral1/memory/4036-136-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4036-159-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4036-162-0x0000000003120000-0x0000000003A0B000-memory.dmp family_glupteba behavioral1/memory/4036-178-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4036-187-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3840-189-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3840-219-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3840-223-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3840-275-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3840-281-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4208-287-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4208-301-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4208-369-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4208-378-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4208-380-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4208-382-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4208-384-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4208-386-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4208-388-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 3700 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 4208 csrss.exe 3920 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe Set value (str) \REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\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 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe File created C:\Windows\rss\csrss.exe 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.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 3184 schtasks.exe 1496 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\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.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 Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.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\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs 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\Disallowed\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5056 powershell.exe 5056 powershell.exe 4036 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe 4036 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe 1836 powershell.exe 1836 powershell.exe 3840 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe 3840 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe 3840 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe 3840 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe 3840 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe 3840 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe 3840 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe 3840 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe 3840 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe 3840 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe 112 powershell.exe 112 powershell.exe 2608 powershell.exe 2608 powershell.exe 4504 powershell.exe 4504 powershell.exe 3332 powershell.exe 3332 powershell.exe 4148 powershell.exe 4148 powershell.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe 4208 csrss.exe 4208 csrss.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe 4208 csrss.exe 4208 csrss.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 5056 powershell.exe Token: SeDebugPrivilege 4036 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe Token: SeImpersonatePrivilege 4036 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe Token: SeDebugPrivilege 1836 powershell.exe Token: SeDebugPrivilege 112 powershell.exe Token: SeDebugPrivilege 2608 powershell.exe Token: SeDebugPrivilege 4504 powershell.exe Token: SeDebugPrivilege 3332 powershell.exe Token: SeDebugPrivilege 4148 powershell.exe Token: SeSystemEnvironmentPrivilege 4208 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 4036 wrote to memory of 5056 4036 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe 98 PID 4036 wrote to memory of 5056 4036 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe 98 PID 4036 wrote to memory of 5056 4036 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe 98 PID 3840 wrote to memory of 1836 3840 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe 104 PID 3840 wrote to memory of 1836 3840 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe 104 PID 3840 wrote to memory of 1836 3840 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe 104 PID 3840 wrote to memory of 4508 3840 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe 107 PID 3840 wrote to memory of 4508 3840 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe 107 PID 4508 wrote to memory of 3700 4508 cmd.exe 108 PID 4508 wrote to memory of 3700 4508 cmd.exe 108 PID 3840 wrote to memory of 112 3840 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe 109 PID 3840 wrote to memory of 112 3840 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe 109 PID 3840 wrote to memory of 112 3840 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe 109 PID 3840 wrote to memory of 2608 3840 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe 111 PID 3840 wrote to memory of 2608 3840 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe 111 PID 3840 wrote to memory of 2608 3840 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe 111 PID 3840 wrote to memory of 4208 3840 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe 113 PID 3840 wrote to memory of 4208 3840 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe 113 PID 3840 wrote to memory of 4208 3840 844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe 113 PID 4208 wrote to memory of 4504 4208 csrss.exe 114 PID 4208 wrote to memory of 4504 4208 csrss.exe 114 PID 4208 wrote to memory of 4504 4208 csrss.exe 114 PID 4208 wrote to memory of 3332 4208 csrss.exe 120 PID 4208 wrote to memory of 3332 4208 csrss.exe 120 PID 4208 wrote to memory of 3332 4208 csrss.exe 120 PID 4208 wrote to memory of 4148 4208 csrss.exe 123 PID 4208 wrote to memory of 4148 4208 csrss.exe 123 PID 4208 wrote to memory of 4148 4208 csrss.exe 123 PID 4208 wrote to memory of 3920 4208 csrss.exe 125 PID 4208 wrote to memory of 3920 4208 csrss.exe 125 -
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\844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe"C:\Users\Admin\AppData\Local\Temp\844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4036 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5056
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C:\Users\Admin\AppData\Local\Temp\844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.exe"C:\Users\Admin\AppData\Local\Temp\844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c.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:3840 -
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:1836
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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:4508 -
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:3700
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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:112
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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:2608
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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.
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4208 -
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:4504
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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:3184
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1048
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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:3332
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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:4148
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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:3920
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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:1496
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Network
MITRE ATT&CK Enterprise v6
Replay 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
MD58323b25de400593271b5ff7c02f070ea
SHA1a8eaefd355100f6694175669b66c63894ac601fd
SHA25684d8a8f849220b39e71a6fcdacafa8e324ca603eb00380c588a1741097f3ed4f
SHA512ad89f73a6100df310d3052a42a63a02c06cca2f2bf55ffd0849e0c3f5a14aea43cf24e9655383333c837860f15fec98dbdc6fe8d1debdbad088cf122ced2c3a1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e1a1e4a20a04ba8b1e75c2a356fe0a83
SHA1117de59cc6ad2ad0fb7576b422682b5d5bc68d23
SHA256170c59653935c41401cda18800bbbe3d00adcad4e4d8d89310edb35363907fbd
SHA5127917fa2ef71f881b846e56ba03ee3a527cd7bb966cbcf8b66baafc7e422a3a31215fc86861e4370d305183168d6aedb87e6d2d0d552faf91ea6dedc61a5e7e37
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52ff679fe00dccce740b16ce0d4ff0885
SHA1601c29e517ed44469b6bd2a9d98b98c4926c046a
SHA256a2241b861e100a6c31ae8a72bef62dd2c4e22cc8a3307bdcde9125a563ece171
SHA512ed4b5f0f9d426a5e9f772f22c39a1af979fef92553004f4d282b77974b759f9f95b23719cc6b06617ef83c932f765402a826704fcd300cbc39ba003dad6ab38b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c0c908b87674b002ed2d12a9c6b4a052
SHA11cd65a2391a98b76d22bb67bfe70946f0693ca07
SHA2563ac33d51e63337ccdd31942080a8637ebb8a73380cc67d50c79697810c57ce54
SHA512aebba5fde6a70dde9b113acfe777ad150ab98becbb42522175debcbbfcde93f19fd90ee0db3e64a6daaec8c751dd1120b262f2f75de5c01394b1b782ed21f411
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fcd65cfde5caa2122af2356e39821aee
SHA1b224f91461ddd75b1ce65d9bc160d8727aeb5936
SHA2566d938ac01438ecd4eeb3fdda82827ff3290d44dcc391feb721765023b998ddca
SHA5124754e6748e2e871a05888db500f06eed8cd43b70acd9a2bf344e30868994c2498b879ddcd36bb98e1602488fab4bd6f308b63db8d307c923b3358a03283412b1
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Filesize
4.2MB
MD56f9d6beb06b59abac1b1b6e2290dc5fd
SHA12cd214213ab02414e5a022019ccc6fba039ff240
SHA256844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c
SHA512e30189612ee907063f671c2e9d120b39a3a47fd2ecd7de002237203b810419085e7b03009cac38492d3b62a471a75a0b4f7ac25de95066d425477f8dd62c73bd
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Filesize
4.2MB
MD56f9d6beb06b59abac1b1b6e2290dc5fd
SHA12cd214213ab02414e5a022019ccc6fba039ff240
SHA256844ed6366dd7fe55e0757f02fe437529a61dd9034ad0ab495ce1cfd745ca2d6c
SHA512e30189612ee907063f671c2e9d120b39a3a47fd2ecd7de002237203b810419085e7b03009cac38492d3b62a471a75a0b4f7ac25de95066d425477f8dd62c73bd