Analysis
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max time kernel
150s -
max time network
142s -
platform
windows10-1703_x64 -
resource
win10-20230915-en -
resource tags
arch:x64arch:x86image:win10-20230915-enlocale:en-usos:windows10-1703-x64system -
submitted
22-09-2023 12:52
Static task
static1
General
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Target
865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe
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Size
4.1MB
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MD5
4f4f7b7325f246831338c36a8fded74f
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SHA1
4372e291c9d2b6672df9f843b6a092e0b1417916
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SHA256
865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426
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SHA512
2bbcdf44203dd6c8aeec75eb389d00a6fed67f180872268bb448dce29043620a212c440696742be04b9e2b1f81b1e06e35d0bf7a58e5266ce5ba57550bf93e7b
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SSDEEP
98304:ve6/ypJ7ydBaPBFZLNMUh+uhgFdXRjI8C4FMU1Vi/+x7vOO72zDPD8VupUZKJ5b:2BpHBNM+Bhg1jI8C4aYw/+hvn7mAWUZe
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral1/memory/772-1-0x0000000002F20000-0x000000000380B000-memory.dmp family_glupteba behavioral1/memory/772-2-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/772-67-0x0000000002F20000-0x000000000380B000-memory.dmp family_glupteba behavioral1/memory/772-70-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/772-305-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/500-307-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/500-469-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/500-810-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/500-1053-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1624-1056-0x0000000003300000-0x0000000003BEB000-memory.dmp family_glupteba behavioral1/memory/1624-1057-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1624-1237-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1624-1655-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1624-1803-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1624-1804-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1624-1805-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1624-1806-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1624-1807-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1624-1808-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1624-1809-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1624-1810-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe = "0" 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 1612 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 1624 csrss.exe 3788 injector.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe = "0" 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2204032094-4125186646-761438227-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe Set value (str) \REGISTRY\USER\S-1-5-21-2204032094-4125186646-761438227-1000\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 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe File created C:\Windows\rss\csrss.exe 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.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 208 schtasks.exe 3120 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,-362 = "GTB Standard Time" 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe Key created \REGISTRY\USER\.DEFAULT\Software\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\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs 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,-682 = "E. Australia Standard Time" 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Control\NetTrace netsh.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.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\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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,-1661 = "Bahia Daylight Time" 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4304 powershell.exe 4304 powershell.exe 4304 powershell.exe 772 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe 772 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe 3032 powershell.exe 3032 powershell.exe 3032 powershell.exe 500 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe 500 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe 500 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe 500 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe 500 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe 500 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe 500 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe 500 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe 500 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe 500 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe 520 powershell.exe 520 powershell.exe 520 powershell.exe 1352 powershell.exe 1352 powershell.exe 1352 powershell.exe 3332 powershell.exe 3332 powershell.exe 3332 powershell.exe 2480 powershell.exe 2480 powershell.exe 2480 powershell.exe 4180 powershell.exe 4180 powershell.exe 4180 powershell.exe 3788 injector.exe 3788 injector.exe 3788 injector.exe 3788 injector.exe 3788 injector.exe 3788 injector.exe 3788 injector.exe 3788 injector.exe 1624 csrss.exe 1624 csrss.exe 3788 injector.exe 3788 injector.exe 3788 injector.exe 3788 injector.exe 3788 injector.exe 3788 injector.exe 1624 csrss.exe 1624 csrss.exe 3788 injector.exe 3788 injector.exe 3788 injector.exe 3788 injector.exe 3788 injector.exe 3788 injector.exe 3788 injector.exe 3788 injector.exe 3788 injector.exe 3788 injector.exe 3788 injector.exe 3788 injector.exe 3788 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 4304 powershell.exe Token: SeDebugPrivilege 772 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe Token: SeImpersonatePrivilege 772 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe Token: SeDebugPrivilege 3032 powershell.exe Token: SeDebugPrivilege 520 powershell.exe Token: SeDebugPrivilege 1352 powershell.exe Token: SeDebugPrivilege 3332 powershell.exe Token: SeDebugPrivilege 2480 powershell.exe Token: SeDebugPrivilege 4180 powershell.exe Token: SeSystemEnvironmentPrivilege 1624 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 772 wrote to memory of 4304 772 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe 70 PID 772 wrote to memory of 4304 772 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe 70 PID 772 wrote to memory of 4304 772 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe 70 PID 500 wrote to memory of 3032 500 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe 75 PID 500 wrote to memory of 3032 500 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe 75 PID 500 wrote to memory of 3032 500 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe 75 PID 500 wrote to memory of 612 500 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe 77 PID 500 wrote to memory of 612 500 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe 77 PID 612 wrote to memory of 1612 612 cmd.exe 79 PID 612 wrote to memory of 1612 612 cmd.exe 79 PID 500 wrote to memory of 520 500 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe 80 PID 500 wrote to memory of 520 500 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe 80 PID 500 wrote to memory of 520 500 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe 80 PID 500 wrote to memory of 1352 500 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe 82 PID 500 wrote to memory of 1352 500 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe 82 PID 500 wrote to memory of 1352 500 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe 82 PID 500 wrote to memory of 1624 500 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe 84 PID 500 wrote to memory of 1624 500 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe 84 PID 500 wrote to memory of 1624 500 865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe 84 PID 1624 wrote to memory of 3332 1624 csrss.exe 86 PID 1624 wrote to memory of 3332 1624 csrss.exe 86 PID 1624 wrote to memory of 3332 1624 csrss.exe 86 PID 1624 wrote to memory of 2480 1624 csrss.exe 91 PID 1624 wrote to memory of 2480 1624 csrss.exe 91 PID 1624 wrote to memory of 2480 1624 csrss.exe 91 PID 1624 wrote to memory of 4180 1624 csrss.exe 94 PID 1624 wrote to memory of 4180 1624 csrss.exe 94 PID 1624 wrote to memory of 4180 1624 csrss.exe 94 PID 1624 wrote to memory of 3788 1624 csrss.exe 96 PID 1624 wrote to memory of 3788 1624 csrss.exe 96 -
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\865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe"C:\Users\Admin\AppData\Local\Temp\865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:772 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4304
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C:\Users\Admin\AppData\Local\Temp\865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.exe"C:\Users\Admin\AppData\Local\Temp\865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426.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:500 -
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:3032
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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:612 -
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
- Modifies data under HKEY_USERS
PID:1612
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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:520
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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:1352
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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:1624 -
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\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:208
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2080
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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:2480
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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:4180
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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:3788
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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:3120
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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\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD51c19c16e21c97ed42d5beabc93391fc5
SHA18ad83f8e0b3acf8dfbbf87931e41f0d664c4df68
SHA2561bcd97396c83babfe6c5068ba590d7a3f8b70e72955a9d1e4070648e404cbf05
SHA5127d18776d8f649b3d29c182ff03efc6cea8b527542ee55304980f24577aae8b64e37044407776e220984346c3998ace5f8853afa58c8b38407482a728e9495e0c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5da7c46c03fb7849c6f691497ed4e171c
SHA153fa2c495fec8ceb76be4ecf5e503fe080f77b37
SHA25680cfcc8ff8d66b21fb4ec15cc7ecf2da2b90b0848cf1c891cb3618847eade9d5
SHA51258f342968d14505bbca68e4ccbc2103842ac964433a493da7f17de68b5913c35308124e5d1d9b90c72360d86c9535495f6b1beb262c7f5b3f399248bc185d62b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD57625eafd8613214471bfa424359317e2
SHA17ab605f133764d91cac5afa9c499be47db983eac
SHA25624e7b6ea4ea7f4aef398c3f7f464a4a2a9f2aa77846f4ef1943bed1bd18c8b3b
SHA512a1c31c0e4d76faa5f1212c626f055e130fb788a10e2f4b6250d8e66b3a6ad3f21adcb10348bbba9ca83e3a4e7b4166d2f4cb804efb5cc0a5ef3791f8123122aa
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5541fe653a4996697f7cfb6f14cd00bce
SHA1f79765fd27e2fdaa0801c180af9283fd272705d6
SHA2562e69e8c347a24efbbfa43e0067dad64dd1be4bc09290e6bb500cb5b8c8cfdc39
SHA512b7e84abcd7b1a7874b6892ff56a3259c45e585ea1bd69cab2b213b3cff69f555edcbc1e2ed74fe2ce1131a9ff938f32265274738af79496663cef56878217d15
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5877f6fd3c1aab6c7f68ac623758c9478
SHA17f94d12c9882a4e5a76e17dd736a9a829c5d1166
SHA256da64beb349bbf53efdd1a52f0fddb134e31d6fb9729f9ebe7e1bce2ad77f925a
SHA512c72b6315dbc979285834769ccf61dddc9c6cd5fabfa46ecea786b3bd281fc909de8125992d8da859c2fb2731eea8ab9f555e5c15f0130152faacaf5b9c0d6b78
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5eb8738f5e6905f8969de0f3dc7a0cc31
SHA170dfd3ae036c2dcee1a316d043c7d257d38d6140
SHA2563c016a2814eafdbfcc0c0067c0d3c77a76e344bb452e43e196e10d7fc3b5cb44
SHA512a531a57fc5b31f3b61baeb09c5990c63cf2d101fa613b4875d337b40fb589a811c733f72c091bd5a9887da534abf0fa5449cf5ff28cff0b989addef17a44854e
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Filesize
4.1MB
MD54f4f7b7325f246831338c36a8fded74f
SHA14372e291c9d2b6672df9f843b6a092e0b1417916
SHA256865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426
SHA5122bbcdf44203dd6c8aeec75eb389d00a6fed67f180872268bb448dce29043620a212c440696742be04b9e2b1f81b1e06e35d0bf7a58e5266ce5ba57550bf93e7b
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Filesize
4.1MB
MD54f4f7b7325f246831338c36a8fded74f
SHA14372e291c9d2b6672df9f843b6a092e0b1417916
SHA256865a6e0c6370b9ef006115140e0093fefc3d35de84715388956c93ce48963426
SHA5122bbcdf44203dd6c8aeec75eb389d00a6fed67f180872268bb448dce29043620a212c440696742be04b9e2b1f81b1e06e35d0bf7a58e5266ce5ba57550bf93e7b