Analysis
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max time kernel
149s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
26-07-2024 04:16
Static task
static1
Behavioral task
behavioral1
Sample
845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe
Resource
win10v2004-20240709-en
General
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Target
845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe
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Size
4.2MB
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MD5
b0d7e17dce1fc611a54d4419af511439
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SHA1
1dddebc5e3208585e725a56dd888fd8f873b0c52
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SHA256
845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8
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SHA512
79e05419d33751580a995d7dd0622bbea8f8e971d06a5835ae763e9b2488bd75c8a0ec3f317004372b232eb02bf6108e535c50df7e0106a2387ff3b94854ba66
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SSDEEP
98304:mzt4Cfs88ZNDRtct68jR4w1kE6V3zyaYiykup:WOzZNVtE6GR4UN6VGaYizu
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/3320-2-0x0000000003010000-0x00000000038FB000-memory.dmp family_glupteba behavioral2/memory/3320-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3320-58-0x0000000003010000-0x00000000038FB000-memory.dmp family_glupteba behavioral2/memory/3320-109-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3024-135-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1896-217-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1896-219-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1896-221-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1896-223-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1896-225-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1896-227-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1896-229-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1896-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1896-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1896-235-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1896-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1896-239-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1896-241-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1564 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 1896 csrss.exe 224 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-47134698-4092160662-1261813102-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe Set value (str) \REGISTRY\USER\S-1-5-21-47134698-4092160662-1261813102-1000\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 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 -
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 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe File created C:\Windows\rss\csrss.exe 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe -
pid Process 4420 powershell.exe 1252 powershell.exe 3464 powershell.exe 3376 powershell.exe 4968 powershell.exe 4712 powershell.exe 2392 powershell.exe -
Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe -
System Location Discovery: System Language Discovery 1 TTPs 10 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csrss.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.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\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3664 schtasks.exe 2264 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1252 powershell.exe 1252 powershell.exe 3320 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe 3320 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe 3464 powershell.exe 3464 powershell.exe 3024 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe 3024 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe 3024 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe 3024 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe 3024 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe 3024 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe 3024 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe 3024 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe 3024 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe 3024 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe 3376 powershell.exe 3376 powershell.exe 4968 powershell.exe 4968 powershell.exe 4712 powershell.exe 4712 powershell.exe 2392 powershell.exe 2392 powershell.exe 4420 powershell.exe 4420 powershell.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 1896 csrss.exe 1896 csrss.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 1896 csrss.exe 1896 csrss.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe 224 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 1252 powershell.exe Token: SeDebugPrivilege 3320 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe Token: SeImpersonatePrivilege 3320 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe Token: SeDebugPrivilege 3464 powershell.exe Token: SeDebugPrivilege 3376 powershell.exe Token: SeDebugPrivilege 4968 powershell.exe Token: SeDebugPrivilege 4712 powershell.exe Token: SeDebugPrivilege 2392 powershell.exe Token: SeDebugPrivilege 4420 powershell.exe Token: SeSystemEnvironmentPrivilege 1896 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 3320 wrote to memory of 1252 3320 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe 87 PID 3320 wrote to memory of 1252 3320 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe 87 PID 3320 wrote to memory of 1252 3320 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe 87 PID 3024 wrote to memory of 3464 3024 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe 96 PID 3024 wrote to memory of 3464 3024 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe 96 PID 3024 wrote to memory of 3464 3024 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe 96 PID 3024 wrote to memory of 2312 3024 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe 100 PID 3024 wrote to memory of 2312 3024 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe 100 PID 2312 wrote to memory of 1564 2312 cmd.exe 102 PID 2312 wrote to memory of 1564 2312 cmd.exe 102 PID 3024 wrote to memory of 3376 3024 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe 103 PID 3024 wrote to memory of 3376 3024 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe 103 PID 3024 wrote to memory of 3376 3024 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe 103 PID 3024 wrote to memory of 4968 3024 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe 105 PID 3024 wrote to memory of 4968 3024 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe 105 PID 3024 wrote to memory of 4968 3024 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe 105 PID 3024 wrote to memory of 1896 3024 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe 107 PID 3024 wrote to memory of 1896 3024 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe 107 PID 3024 wrote to memory of 1896 3024 845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe 107 PID 1896 wrote to memory of 4712 1896 csrss.exe 108 PID 1896 wrote to memory of 4712 1896 csrss.exe 108 PID 1896 wrote to memory of 4712 1896 csrss.exe 108 PID 1896 wrote to memory of 2392 1896 csrss.exe 113 PID 1896 wrote to memory of 2392 1896 csrss.exe 113 PID 1896 wrote to memory of 2392 1896 csrss.exe 113 PID 1896 wrote to memory of 4420 1896 csrss.exe 116 PID 1896 wrote to memory of 4420 1896 csrss.exe 116 PID 1896 wrote to memory of 4420 1896 csrss.exe 116 PID 1896 wrote to memory of 224 1896 csrss.exe 118 PID 1896 wrote to memory of 224 1896 csrss.exe 118 -
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\845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe"C:\Users\Admin\AppData\Local\Temp\845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3320 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1252
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C:\Users\Admin\AppData\Local\Temp\845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe"C:\Users\Admin\AppData\Local\Temp\845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8.exe"2⤵
- Adds Run key to start application
- Checks for VirtualBox DLLs, possible anti-VM trick
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3024 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3464
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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:2312 -
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
- Event Triggered Execution: Netsh Helper DLL
PID:1564
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3376
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4968
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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.
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1896 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4712
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Scheduled Task/Job: Scheduled Task
PID:3664
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:932
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2392
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4420
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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:224
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Scheduled Task/Job: Scheduled Task
PID:2264
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54158dfc0cdf1340178c265f43cd319ea
SHA17ceca3eb90ed3259132037d0c2280a116e614a63
SHA25623b523066b61d341e253dc054dee11abeb107d150dfecbce70e4e1b86b95d5c1
SHA512fc1039c38eb413909bd67fb1cd655004b3b4dd0173a9b1ffa4d73da3e4539e90e580e24acd21838286ead5e7a5335a6e7b8255cc9e53e1665ec454f45364b904
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58f0dedb4a92ad8ba304af92a2fddde6f
SHA1fbd62f17f675dcbdfc6bda5cfbb3d89a6f1623f6
SHA256edbd2a38c076a092ac7dcb6a86e236ef413aa4c20c82798f20fb2596b5641dea
SHA5128f8a3a17ce8dca0fc59e933f7c13f567d0a80b0671713b75b90a1617e2c78fa991e932b22a2c8b35fa4de6779b1f7f143caa97962485234bad0ce07de33a5bc9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD550de9020cda2f94816a67aa5eda816c5
SHA125d39a64c9af17dfa19ad15e99ee8c15b24fdc8d
SHA256e1256021de25c874edec0a39facf849bb14c3ea0b8f9eb30c05f5002551e0fac
SHA512e56999f0f0027c1dd10a6939b941f92458618420064ca2a3eb7a9443f4ccde002034a965fc95d52a1bbd6ee2c088ccbb9f36308b700061cf86f7b0a9e137d8db
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c48b6d52fd6291f7190b6bbdcec1fd63
SHA125b5233ab7057b00b1f562a932fd2ed4fe1cc9f8
SHA256eaec48e344d6f1875a071d6457d08d911157713c9af118bbbf2e8b8c44808bbb
SHA512a065a9e1b93948c6f39642f69cb051e747b958d03d956f98b03b54906c29015f743ceba4115bebbf90686545946fc81ba4a8767d2437f577c7782cbc318ab05a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c1de619d3086f3de69c67ab21213ed03
SHA153992fcd7e025b5652dfe33d08c747d38c08f2a4
SHA25696c26d3a1196c64f42803e74cea23922547b28cab798d983a806ee62808c6037
SHA512312984ed3852992241236b4e681d5b4b9b12fb17a01287fd33b2148b8b3a769026e2bc9fd5fc03126b23f325a3587639cdf935462f078e434f4893b308dcc3ab
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Filesize
4.2MB
MD5b0d7e17dce1fc611a54d4419af511439
SHA11dddebc5e3208585e725a56dd888fd8f873b0c52
SHA256845b6a3db4889461e89e3dbfdae360f63d506dd8e029dc033ce0745489041ee8
SHA51279e05419d33751580a995d7dd0622bbea8f8e971d06a5835ae763e9b2488bd75c8a0ec3f317004372b232eb02bf6108e535c50df7e0106a2387ff3b94854ba66