Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
25-07-2024 18:56
Static task
static1
Behavioral task
behavioral1
Sample
328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe
Resource
win10v2004-20240709-en
General
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Target
328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe
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Size
4.1MB
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MD5
21df1d8ce909a600068e621884320c3f
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SHA1
69cec71bbe2902683cfb90dc5dcddc90de9606a7
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SHA256
328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d
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SHA512
714d4b440cd97b8c12afdb06c894bc3ad891823a712d347ca68479bce33f5042d4a80137a986cf12949d802757111d21e0761f96d51f7ccb828f40a6f9d23901
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SSDEEP
98304:Ox34CiKzvjm7SLtMZTm7LASnwWEuCSeZHe31O6Y/qHYq9Pe:OB4yzvjmEtMf+wT3Us6Y/qHYK
Malware Config
Signatures
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Glupteba payload 15 IoCs
resource yara_rule behavioral2/memory/3656-51-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1620-127-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1620-132-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1444-211-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1444-218-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1444-219-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1444-220-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1444-221-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1444-222-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1444-223-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1444-224-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1444-225-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1444-226-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1444-227-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1444-228-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4496 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 1444 csrss.exe 2284 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe Set value (str) \REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\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 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe File created C:\Windows\rss\csrss.exe 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe -
pid Process 4676 powershell.exe 4692 powershell.exe 3548 powershell.exe 2200 powershell.exe 1392 powershell.exe 2084 powershell.exe 2008 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 queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3968 3656 WerFault.exe 83 -
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 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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.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 -
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,-672 = "AUS Eastern Standard Time" 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs 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,-572 = "China Standard Time" 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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,-1801 = "Line Islands Daylight Time" 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.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" 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.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 1136 schtasks.exe 2044 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2084 powershell.exe 2084 powershell.exe 3656 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe 3656 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe 2008 powershell.exe 2008 powershell.exe 2008 powershell.exe 1620 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe 1620 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe 1620 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe 1620 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe 1620 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe 1620 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe 1620 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe 1620 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe 1620 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe 1620 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe 4676 powershell.exe 4676 powershell.exe 4692 powershell.exe 4692 powershell.exe 3548 powershell.exe 3548 powershell.exe 2200 powershell.exe 2200 powershell.exe 1392 powershell.exe 1392 powershell.exe 2284 injector.exe 2284 injector.exe 2284 injector.exe 2284 injector.exe 2284 injector.exe 2284 injector.exe 2284 injector.exe 2284 injector.exe 1444 csrss.exe 1444 csrss.exe 2284 injector.exe 2284 injector.exe 2284 injector.exe 2284 injector.exe 2284 injector.exe 2284 injector.exe 1444 csrss.exe 1444 csrss.exe 2284 injector.exe 2284 injector.exe 2284 injector.exe 2284 injector.exe 2284 injector.exe 2284 injector.exe 2284 injector.exe 2284 injector.exe 2284 injector.exe 2284 injector.exe 2284 injector.exe 2284 injector.exe 2284 injector.exe 2284 injector.exe 2284 injector.exe 2284 injector.exe 2284 injector.exe 2284 injector.exe 2284 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 2084 powershell.exe Token: SeDebugPrivilege 3656 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe Token: SeImpersonatePrivilege 3656 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe Token: SeDebugPrivilege 2008 powershell.exe Token: SeDebugPrivilege 4676 powershell.exe Token: SeDebugPrivilege 4692 powershell.exe Token: SeDebugPrivilege 3548 powershell.exe Token: SeDebugPrivilege 2200 powershell.exe Token: SeDebugPrivilege 1392 powershell.exe Token: SeSystemEnvironmentPrivilege 1444 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 3656 wrote to memory of 2084 3656 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe 88 PID 3656 wrote to memory of 2084 3656 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe 88 PID 3656 wrote to memory of 2084 3656 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe 88 PID 1620 wrote to memory of 2008 1620 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe 101 PID 1620 wrote to memory of 2008 1620 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe 101 PID 1620 wrote to memory of 2008 1620 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe 101 PID 1620 wrote to memory of 2304 1620 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe 103 PID 1620 wrote to memory of 2304 1620 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe 103 PID 2304 wrote to memory of 4496 2304 cmd.exe 105 PID 2304 wrote to memory of 4496 2304 cmd.exe 105 PID 1620 wrote to memory of 4676 1620 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe 106 PID 1620 wrote to memory of 4676 1620 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe 106 PID 1620 wrote to memory of 4676 1620 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe 106 PID 1620 wrote to memory of 4692 1620 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe 108 PID 1620 wrote to memory of 4692 1620 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe 108 PID 1620 wrote to memory of 4692 1620 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe 108 PID 1620 wrote to memory of 1444 1620 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe 110 PID 1620 wrote to memory of 1444 1620 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe 110 PID 1620 wrote to memory of 1444 1620 328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe 110 PID 1444 wrote to memory of 3548 1444 csrss.exe 111 PID 1444 wrote to memory of 3548 1444 csrss.exe 111 PID 1444 wrote to memory of 3548 1444 csrss.exe 111 PID 1444 wrote to memory of 2200 1444 csrss.exe 117 PID 1444 wrote to memory of 2200 1444 csrss.exe 117 PID 1444 wrote to memory of 2200 1444 csrss.exe 117 PID 1444 wrote to memory of 1392 1444 csrss.exe 120 PID 1444 wrote to memory of 1392 1444 csrss.exe 120 PID 1444 wrote to memory of 1392 1444 csrss.exe 120 PID 1444 wrote to memory of 2284 1444 csrss.exe 123 PID 1444 wrote to memory of 2284 1444 csrss.exe 123 -
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\328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe"C:\Users\Admin\AppData\Local\Temp\328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3656 -
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:2084
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C:\Users\Admin\AppData\Local\Temp\328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.exe"C:\Users\Admin\AppData\Local\Temp\328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d.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:1620 -
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:2008
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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:2304 -
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:4496
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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:4676
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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:4692
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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:1444 -
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:3548
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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:1136
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4908
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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:2200
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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:1392
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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:2284
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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:2044
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3656 -s 7722⤵
- Program crash
PID:3968
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3656 -ip 36561⤵PID:3832
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
MD51dc45fdd593dd1ac878de277e4c7dc03
SHA19c0ec558abe61772437145315e298bc9b4f13717
SHA256867a9d0738235ccdea0c7acf00d22126297d1e05ba3483db8adb727153b1a7f6
SHA51298e9163f1621e0e4ebbece6f8e1d217424c5211b09eea11c500cc66e26220549a98ee3e750ac02b0f2d9353cdeedbde0b757f5fa7fdda319aa46fed0b6836e6a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD571c889fccc5cd49fd8e7ef7d56785594
SHA1a1a21b87e1bb29b53d35ff06527f6456bc1122ea
SHA2567737d615fb940cf6734a917439b2ea0d6bf3ae8296426c55625a0cd17c1eda8c
SHA51226759fabf10b9a9b511c8c2c453fa92d81fb74fd76e9655966dc2f4e45c95b0b91922ed7d4a8e221358ac229f72665283227f8dd5609c0e4cc7c678fd2ffada3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a0e8e02c780f5aca8750aee28c95f0f6
SHA14fc2acd88d5c625b2f7ab5565892444d5558de4f
SHA25601db38d2bb8e8476b55b381c915102bbce1df45351da0cb04feda5c5b9ce1645
SHA512aa53e99fe40238dfdf7224042b690bae307f903718f347fa4a7ec62e3f75268bc5559fcf1388e235bea5c56ad5093a0dd5339bde417d5574bedf3cfa9624a37c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55c0b302552c8979c1338d24c18271337
SHA150e7257ffd3277512fcb64ba28c1624c6a36ea6b
SHA2563e8b13861b7ee37a3ffee3c0444a1a6ab72081b76ff938fd9de3aaa03bea8240
SHA51292e29365f4432e6cbf5ea3b7f57d85a56b423b4a350f2a27bf322aa052e08a19089c059e51f7c4f2bcc773532102f2579cf7e56e71564fda464797d2df8e22ef
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b386fe9c4fed049772cf23450d8d3619
SHA17cebc07c0ca3a0586ad5cc23df84eaf481fec064
SHA256f1bc1aba67552c317d959b8c1027bc948a3b14c4a0b2ecf54d82bd03c3cde8ec
SHA5122e4cefaa30d9e22f0a6635fa6bdf18e87883f201af66d5f3861432cda03443b45f90834e7bf349d4ecb4b0d0658a6603261a13058ecbe4c83efa8159a9ab563d
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Filesize
4.1MB
MD521df1d8ce909a600068e621884320c3f
SHA169cec71bbe2902683cfb90dc5dcddc90de9606a7
SHA256328af6e2b02c62db3b533a84e0b403d1c99f682bdff7ef0941d711d4d607501d
SHA512714d4b440cd97b8c12afdb06c894bc3ad891823a712d347ca68479bce33f5042d4a80137a986cf12949d802757111d21e0761f96d51f7ccb828f40a6f9d23901