Analysis
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max time kernel
150s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
06-06-2024 10:20
Static task
static1
Behavioral task
behavioral1
Sample
050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe
Resource
win7-20240220-en
General
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Target
050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe
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Size
4.1MB
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MD5
58aeec23aa477acc489ca29fc8222e5e
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SHA1
fd189a7331274779548164e9a5c19f7c82bb287d
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SHA256
050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca
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SHA512
4f6ce8c769d27fa6b1b2c640ba22c995eabcec9c530221678d60a356c80c43a9a8eb47bafb16d3dc18f9f4d352fc5cf334d6d0076ac87251ee121a446ffe2176
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SSDEEP
98304:mJsMjtvpLhBsrANyl+HA3P3+ZY1+eQIMXjectPnUWuRnMm8CYQO5:mWgDBsKdHAWZM+VzNxnUpRnkRj
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral2/memory/2320-2-0x0000000004970000-0x000000000525B000-memory.dmp family_glupteba behavioral2/memory/2320-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2320-28-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral2/memory/2320-67-0x0000000004970000-0x000000000525B000-memory.dmp family_glupteba behavioral2/memory/2320-66-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral2/memory/2320-83-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1944-82-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral2/memory/1944-138-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral2/memory/348-174-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral2/memory/348-219-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral2/memory/348-222-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral2/memory/348-225-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral2/memory/348-228-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral2/memory/348-231-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral2/memory/348-234-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral2/memory/348-237-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral2/memory/348-240-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral2/memory/348-243-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba behavioral2/memory/348-246-0x0000000000400000-0x0000000002958000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 1912 netsh.exe -
Executes dropped EXE 2 IoCs
Processes:
csrss.exeinjector.exepid Process 348 csrss.exe 4668 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\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.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe 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.
Processes:
050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe -
Drops file in Windows directory 2 IoCs
Processes:
050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exedescription ioc Process File opened for modification C:\Windows\rss 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe File created C:\Windows\rss\csrss.exe 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 3140 powershell.exe 1748 powershell.exe 4600 powershell.exe 4416 powershell.exe 4600 powershell.exe 3028 powershell.exe 2292 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid Process 4144 schtasks.exe 2604 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.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\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exepowershell.exe050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 4600 powershell.exe 4600 powershell.exe 2320 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe 2320 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe 3028 powershell.exe 3028 powershell.exe 1944 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe 1944 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe 1944 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe 1944 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe 1944 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe 1944 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe 1944 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe 1944 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe 1944 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe 1944 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe 2292 powershell.exe 2292 powershell.exe 3140 powershell.exe 3140 powershell.exe 1748 powershell.exe 1748 powershell.exe 4600 powershell.exe 4600 powershell.exe 4416 powershell.exe 4416 powershell.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 348 csrss.exe 348 csrss.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 348 csrss.exe 348 csrss.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe 4668 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
Processes:
powershell.exe050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exedescription pid Process Token: SeDebugPrivilege 4600 powershell.exe Token: SeDebugPrivilege 2320 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe Token: SeImpersonatePrivilege 2320 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe Token: SeDebugPrivilege 3028 powershell.exe Token: SeDebugPrivilege 2292 powershell.exe Token: SeDebugPrivilege 3140 powershell.exe Token: SeDebugPrivilege 1748 powershell.exe Token: SeDebugPrivilege 4600 powershell.exe Token: SeDebugPrivilege 4416 powershell.exe Token: SeSystemEnvironmentPrivilege 348 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
Processes:
050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.execmd.execsrss.exedescription pid Process procid_target PID 2320 wrote to memory of 4600 2320 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe 92 PID 2320 wrote to memory of 4600 2320 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe 92 PID 2320 wrote to memory of 4600 2320 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe 92 PID 1944 wrote to memory of 3028 1944 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe 98 PID 1944 wrote to memory of 3028 1944 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe 98 PID 1944 wrote to memory of 3028 1944 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe 98 PID 1944 wrote to memory of 936 1944 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe 100 PID 1944 wrote to memory of 936 1944 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe 100 PID 936 wrote to memory of 1912 936 cmd.exe 102 PID 936 wrote to memory of 1912 936 cmd.exe 102 PID 1944 wrote to memory of 2292 1944 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe 103 PID 1944 wrote to memory of 2292 1944 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe 103 PID 1944 wrote to memory of 2292 1944 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe 103 PID 1944 wrote to memory of 3140 1944 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe 105 PID 1944 wrote to memory of 3140 1944 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe 105 PID 1944 wrote to memory of 3140 1944 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe 105 PID 1944 wrote to memory of 348 1944 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe 108 PID 1944 wrote to memory of 348 1944 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe 108 PID 1944 wrote to memory of 348 1944 050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe 108 PID 348 wrote to memory of 1748 348 csrss.exe 109 PID 348 wrote to memory of 1748 348 csrss.exe 109 PID 348 wrote to memory of 1748 348 csrss.exe 109 PID 348 wrote to memory of 4600 348 csrss.exe 115 PID 348 wrote to memory of 4600 348 csrss.exe 115 PID 348 wrote to memory of 4600 348 csrss.exe 115 PID 348 wrote to memory of 4416 348 csrss.exe 117 PID 348 wrote to memory of 4416 348 csrss.exe 117 PID 348 wrote to memory of 4416 348 csrss.exe 117 PID 348 wrote to memory of 4668 348 csrss.exe 119 PID 348 wrote to memory of 4668 348 csrss.exe 119 -
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\050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe"C:\Users\Admin\AppData\Local\Temp\050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2320 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4600
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C:\Users\Admin\AppData\Local\Temp\050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.exe"C:\Users\Admin\AppData\Local\Temp\050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca.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:1944 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3028
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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:936 -
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:1912
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2292
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3140
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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:348 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1748
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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:4144
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3972
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4600
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4416
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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:4668
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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:2604
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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
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f274c5963f36f9166cdf0116e2a4f3a7
SHA1d85bc3322f5fc8bce1bc02f0e95e3d8831e5b816
SHA2563a3d3d9a750439d593c43603b8e90f1550ef279ea7478385d063063681740a0d
SHA5128041d41bf35c7eaaf1c7a9f9fc065bd7792bdd97a2474083e36074bc77c9f100837605f9b062c1a03c65471a1c06ecbbb50feb666251ec8cf5205ffcd98a2819
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56d1e0683ab0ec7e5aed46a48bd7dc7d1
SHA126cce4db83270569056a072d44caae51c219c013
SHA25657be32dfa697b66c08e63849fdefad58a4a615a92e2eefa388cae61e92a0ca00
SHA512b9abf1a9948ffcb425000fe00bc9f1d094ea54d729c06f1b3fb45e07476a3634da861525f105671105b9ad47dbff9815a3fd616c0fbde1bf03bc5dff133e5405
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57db53b2b2e0897e6ed1c962e09fa3a62
SHA16446356252993a3412ff1837794063d4065b5682
SHA2564cfbbde8e09a0035e817a640626f75b3584a63cec0e72c717240aaa7e35100cf
SHA5124b76f55a69b119e88fa2e9b14e55fc63afab13fc77e5e8607074ef2288b7090e6dce77627f3be264783d3f5d765a1e99ba8c729b9a973948049a0eebfebc645f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cb9d5aedd90d14ef3d5f95f6101317c0
SHA16bc3ebddd64f56b3bb6598502daac11c064464b2
SHA256218baefb6b460c1020155639db8b5cd20b281354bf58b82ff1ad0d0d0b7c1792
SHA5125430a462ab61ea9ddb9c25d90193cb74683987b027bdc1d3efa3e089ba66664d94ad37fb218b3f671e10a3a346c24951861107217b34662d8909d84ffc008485
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d8e56e36c53058c391c097186f6a33b7
SHA1bec3cabedc0831dbd5c181fc51417a1d901fb8ad
SHA256ed03246d17f8ed20992ddf7d23057a35cdefb914448a3e8bb99c794834f4a275
SHA512f133e5525dfa34c3984413157cafd94e73059298f47273071d34c008ddf9e265e760d831c8f5c8df8d8fae1098b36b479d9bf17834dd2275edeec2b84c36b626
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Filesize
4.1MB
MD558aeec23aa477acc489ca29fc8222e5e
SHA1fd189a7331274779548164e9a5c19f7c82bb287d
SHA256050c7bdef499a3aeecaa3bca43950f540c835b41a4b0d321f916e415ce564bca
SHA5124f6ce8c769d27fa6b1b2c640ba22c995eabcec9c530221678d60a356c80c43a9a8eb47bafb16d3dc18f9f4d352fc5cf334d6d0076ac87251ee121a446ffe2176