Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-1703_x64 -
resource
win10-20230831-en -
resource tags
arch:x64arch:x86image:win10-20230831-enlocale:en-usos:windows10-1703-x64system -
submitted
19/09/2023, 15:35
Static task
static1
General
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Target
9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe
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Size
4.2MB
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MD5
63b0d60e8fdbeb9eafb91c18a3fe449c
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SHA1
ac98b5aad506da92c41e9c9940af23eff5f2aa6a
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SHA256
9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf
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SHA512
2b8e715bd3e9cb1b1bec490af8cd7454a417ae54b2bbd19e479c90f37e235fad1e99753f7492ec9b56f3bbfca15edd9d1537a7503bc8673ab359d5c048d993b4
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SSDEEP
98304:7Lv70B0X5LVV6lYPaXdMCcZ5roYgDcQH4yenbKnJF7h2xAJpe5i3aAK:H2E5LVVm1Xdkl5XKoeThC8peTl
Malware Config
Signatures
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Glupteba payload 22 IoCs
resource yara_rule behavioral1/memory/3152-2-0x0000000002F80000-0x000000000386B000-memory.dmp family_glupteba behavioral1/memory/3152-3-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3152-68-0x0000000002F80000-0x000000000386B000-memory.dmp family_glupteba behavioral1/memory/3152-77-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3152-308-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2540-311-0x0000000002E00000-0x00000000036EB000-memory.dmp family_glupteba behavioral1/memory/2540-312-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2540-322-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2540-737-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/2540-816-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4888-820-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4888-1095-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4888-1566-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4888-1567-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4888-1568-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4888-1569-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4888-1570-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4888-1571-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4888-1572-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4888-1573-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4888-1574-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4888-1575-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe = "0" 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 2400 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 4888 csrss.exe 2796 injector.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe = "0" 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3540700546-2554825161-2349363825-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe Set value (str) \REGISTRY\USER\S-1-5-21-3540700546-2554825161-2349363825-1000\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 5 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
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 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe File created C:\Windows\rss\csrss.exe 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.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 2140 schtasks.exe 4048 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,-2392 = "Aleutian Standard Time" 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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,-32 = "Mid-Atlantic Standard Time" 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3384 powershell.exe 3384 powershell.exe 3384 powershell.exe 3152 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe 3152 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe 2540 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe 2540 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe 2540 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe 2540 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe 2540 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe 2540 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe 2540 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe 2540 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe 2540 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe 2540 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe 4136 powershell.exe 4136 powershell.exe 4136 powershell.exe 4872 powershell.exe 4872 powershell.exe 4872 powershell.exe 4208 powershell.exe 4208 powershell.exe 4208 powershell.exe 4936 powershell.exe 4936 powershell.exe 4936 powershell.exe 4912 powershell.exe 4912 powershell.exe 4912 powershell.exe 2796 injector.exe 2796 injector.exe 2796 injector.exe 2796 injector.exe 2796 injector.exe 2796 injector.exe 2796 injector.exe 2796 injector.exe 4888 csrss.exe 4888 csrss.exe 2796 injector.exe 2796 injector.exe 2796 injector.exe 2796 injector.exe 2796 injector.exe 2796 injector.exe 4888 csrss.exe 4888 csrss.exe 2796 injector.exe 2796 injector.exe 2796 injector.exe 2796 injector.exe 2796 injector.exe 2796 injector.exe 2796 injector.exe 2796 injector.exe 2796 injector.exe 2796 injector.exe 2796 injector.exe 2796 injector.exe 2796 injector.exe 2796 injector.exe 2796 injector.exe 2796 injector.exe -
Suspicious use of AdjustPrivilegeToken 9 IoCs
description pid Process Token: SeDebugPrivilege 3384 powershell.exe Token: SeDebugPrivilege 3152 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe Token: SeImpersonatePrivilege 3152 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe Token: SeDebugPrivilege 4136 powershell.exe Token: SeDebugPrivilege 4872 powershell.exe Token: SeDebugPrivilege 4208 powershell.exe Token: SeDebugPrivilege 4936 powershell.exe Token: SeDebugPrivilege 4912 powershell.exe Token: SeSystemEnvironmentPrivilege 4888 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 3152 wrote to memory of 3384 3152 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe 71 PID 3152 wrote to memory of 3384 3152 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe 71 PID 3152 wrote to memory of 3384 3152 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe 71 PID 2540 wrote to memory of 3692 2540 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe 76 PID 2540 wrote to memory of 3692 2540 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe 76 PID 2540 wrote to memory of 3692 2540 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe 76 PID 2540 wrote to memory of 2892 2540 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe 78 PID 2540 wrote to memory of 2892 2540 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe 78 PID 2892 wrote to memory of 2400 2892 cmd.exe 80 PID 2892 wrote to memory of 2400 2892 cmd.exe 80 PID 2540 wrote to memory of 4136 2540 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe 81 PID 2540 wrote to memory of 4136 2540 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe 81 PID 2540 wrote to memory of 4136 2540 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe 81 PID 2540 wrote to memory of 4872 2540 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe 83 PID 2540 wrote to memory of 4872 2540 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe 83 PID 2540 wrote to memory of 4872 2540 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe 83 PID 2540 wrote to memory of 4888 2540 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe 85 PID 2540 wrote to memory of 4888 2540 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe 85 PID 2540 wrote to memory of 4888 2540 9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe 85 PID 4888 wrote to memory of 4208 4888 csrss.exe 86 PID 4888 wrote to memory of 4208 4888 csrss.exe 86 PID 4888 wrote to memory of 4208 4888 csrss.exe 86 PID 4888 wrote to memory of 4936 4888 csrss.exe 92 PID 4888 wrote to memory of 4936 4888 csrss.exe 92 PID 4888 wrote to memory of 4936 4888 csrss.exe 92 PID 4888 wrote to memory of 4912 4888 csrss.exe 95 PID 4888 wrote to memory of 4912 4888 csrss.exe 95 PID 4888 wrote to memory of 4912 4888 csrss.exe 95 PID 4888 wrote to memory of 2796 4888 csrss.exe 97 PID 4888 wrote to memory of 2796 4888 csrss.exe 97 -
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\9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe"C:\Users\Admin\AppData\Local\Temp\9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3152 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3384
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C:\Users\Admin\AppData\Local\Temp\9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe"C:\Users\Admin\AppData\Local\Temp\9f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf.exe"2⤵
- Windows security bypass
- Windows security modification
- 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:2540 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Modifies data under HKEY_USERS
PID:3692
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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:2892 -
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:2400
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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:4136
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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:4872
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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.
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4888 -
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:4208
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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:2140
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2608
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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:4936
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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:4912
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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:2796
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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:4048
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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
1B
MD5c4ca4238a0b923820dcc509a6f75849b
SHA1356a192b7913b04c54574d18c28d46e6395428ab
SHA2566b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
SHA5124dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a
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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\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5680de5fce83c8d67725d5481fcb1f129
SHA11297b9f5657c5d629ea20e09c3c5c90997737636
SHA256173a27b4c597e0b9b6e163250fdd94de3fb8cbee9bfe7350b914237b3d0b29c5
SHA5125a65ca997be71132b6171e86fa47145a27dcc274c6d83ef7fc2ae219c6ad30710506d6fd8cfeb6d077b1b95869d6c419c60ab0e134f0befc40685ee9044d8f55
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5941503ed6b930c3b8094c6db5beed616
SHA13815361ebdd74c84ad65b44e7e674d8c4914f96b
SHA256d630f9132d1682992aba0c09eecac1b26a7d79f9974d1bac2b9471d4f7a51b86
SHA512e4e35714580b45f80ed7f099a379c3d8a5857f9a54b80418b8924f696b773b8129c9bd67d7451871b2a4b4f81c3651dd4014d68ff1dd6ec527827989d9986aaf
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5d42bdd73b637c933e5cfaae66ff2da59
SHA1d2840227c6475f42ac212c60b5b92a2f3c8f8556
SHA25696a86b118a1165ec2a4cad57b338709de750d55a9797fb471ff1650652fd5f00
SHA5123929953e34b5af05dfcdf37f689e91ccbc22c1cd964b13a911975c6fe6d7ffb582347f5edc51cecee5b255457594a98f1c065daf966371030891eff4a2ac581a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD57e4804c62f7377e8781f1884082121b3
SHA1061339e91f2b5070dd8743cd1b5b9e854c68a63e
SHA25645da55a0e1026debe98e67b5052d4a25bb83712413580a70ccff7b7fed455d4e
SHA51200ada66ad165e4c17d8acf23ca008e9d279438ca144cff8888301ff75455c30e63d94d859abe0300bd8416416ef362fe8d7a5dc6aca4e06d0f7505bb8434e7ae
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Filesize
4.2MB
MD563b0d60e8fdbeb9eafb91c18a3fe449c
SHA1ac98b5aad506da92c41e9c9940af23eff5f2aa6a
SHA2569f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf
SHA5122b8e715bd3e9cb1b1bec490af8cd7454a417ae54b2bbd19e479c90f37e235fad1e99753f7492ec9b56f3bbfca15edd9d1537a7503bc8673ab359d5c048d993b4
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Filesize
4.2MB
MD563b0d60e8fdbeb9eafb91c18a3fe449c
SHA1ac98b5aad506da92c41e9c9940af23eff5f2aa6a
SHA2569f8aca1291031e4f845cc6ee6311fc1e92ed20c05ef9f199b8c8e32997d387bf
SHA5122b8e715bd3e9cb1b1bec490af8cd7454a417ae54b2bbd19e479c90f37e235fad1e99753f7492ec9b56f3bbfca15edd9d1537a7503bc8673ab359d5c048d993b4