Analysis
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max time kernel
300s -
max time network
299s -
platform
windows10-2004_x64 -
resource
win10v2004-20250314-en -
resource tags
arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system -
submitted
18/03/2025, 22:38
Static task
static1
Behavioral task
behavioral1
Sample
52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe
Resource
win10v2004-20250314-en
General
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Target
52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe
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Size
4.2MB
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MD5
9e95a2f30e9621a865f2dfc65dc24673
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SHA1
c25c03c225709bff58f0fca6bf93c17b28a99aca
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SHA256
52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78
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SHA512
478eb0640bb5584842d3f8bc00ac7b575f345fc3e70cf04f3b272bf2487af898cbb2f82522b994a7e858bfdc78df89facae968cf6a775c972a5d387710f52e5e
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SSDEEP
98304:gX+V5iS4211ab8CRU3jj44988X/pz+96Jas+tdDDO/yqmS:gX+V57421108CyI18UwwtdkmS
Malware Config
Signatures
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Glupteba family
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Glupteba payload 27 IoCs
resource yara_rule behavioral2/memory/2992-2-0x0000000004FE0000-0x00000000058CB000-memory.dmp family_glupteba behavioral2/memory/2992-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2992-4-0x0000000000400000-0x0000000002EE3000-memory.dmp family_glupteba behavioral2/memory/2992-31-0x0000000004FE0000-0x00000000058CB000-memory.dmp family_glupteba behavioral2/memory/2992-47-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2992-61-0x0000000000400000-0x0000000002EE3000-memory.dmp family_glupteba behavioral2/memory/2848-73-0x0000000000400000-0x0000000002EE3000-memory.dmp family_glupteba behavioral2/memory/2848-142-0x0000000000400000-0x0000000002EE3000-memory.dmp family_glupteba behavioral2/memory/2112-217-0x0000000000400000-0x0000000002EE3000-memory.dmp family_glupteba behavioral2/memory/2112-225-0x0000000000400000-0x0000000002EE3000-memory.dmp family_glupteba behavioral2/memory/2112-228-0x0000000000400000-0x0000000002EE3000-memory.dmp family_glupteba behavioral2/memory/2112-231-0x0000000000400000-0x0000000002EE3000-memory.dmp family_glupteba behavioral2/memory/2112-234-0x0000000000400000-0x0000000002EE3000-memory.dmp family_glupteba behavioral2/memory/2112-237-0x0000000000400000-0x0000000002EE3000-memory.dmp family_glupteba behavioral2/memory/2112-240-0x0000000000400000-0x0000000002EE3000-memory.dmp family_glupteba behavioral2/memory/2112-243-0x0000000000400000-0x0000000002EE3000-memory.dmp family_glupteba behavioral2/memory/2112-246-0x0000000000400000-0x0000000002EE3000-memory.dmp family_glupteba behavioral2/memory/2112-249-0x0000000000400000-0x0000000002EE3000-memory.dmp family_glupteba behavioral2/memory/2112-252-0x0000000000400000-0x0000000002EE3000-memory.dmp family_glupteba behavioral2/memory/2112-255-0x0000000000400000-0x0000000002EE3000-memory.dmp family_glupteba behavioral2/memory/2112-258-0x0000000000400000-0x0000000002EE3000-memory.dmp family_glupteba behavioral2/memory/2112-261-0x0000000000400000-0x0000000002EE3000-memory.dmp family_glupteba behavioral2/memory/2112-264-0x0000000000400000-0x0000000002EE3000-memory.dmp family_glupteba behavioral2/memory/2112-267-0x0000000000400000-0x0000000002EE3000-memory.dmp family_glupteba behavioral2/memory/2112-271-0x0000000000400000-0x0000000002EE3000-memory.dmp family_glupteba behavioral2/memory/2112-274-0x0000000000400000-0x0000000002EE3000-memory.dmp family_glupteba behavioral2/memory/2112-277-0x0000000000400000-0x0000000002EE3000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 452 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 2112 csrss.exe 1252 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3218366390-1258052702-4267193707-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-3218366390-1258052702-4267193707-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.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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Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 53 raw.githubusercontent.com 54 raw.githubusercontent.com -
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 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe File opened for modification C:\Windows\rss 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe -
pid Process 4764 powershell.exe 2868 powershell.exe 1744 powershell.exe 4996 powershell.exe 3200 powershell.exe 3484 powershell.exe 4736 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 value enumerated \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key queried \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 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.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 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 (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.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\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.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 2056 schtasks.exe 724 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2868 powershell.exe 2868 powershell.exe 2992 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe 2992 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe 1744 powershell.exe 1744 powershell.exe 2848 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe 2848 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe 2848 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe 2848 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe 2848 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe 2848 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe 2848 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe 2848 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe 2848 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe 2848 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe 4996 powershell.exe 4996 powershell.exe 3200 powershell.exe 3200 powershell.exe 3484 powershell.exe 3484 powershell.exe 4736 powershell.exe 4736 powershell.exe 4764 powershell.exe 4764 powershell.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe 2112 csrss.exe 2112 csrss.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe 2112 csrss.exe 2112 csrss.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe 1252 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 2868 powershell.exe Token: SeDebugPrivilege 2992 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe Token: SeImpersonatePrivilege 2992 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe Token: SeDebugPrivilege 1744 powershell.exe Token: SeDebugPrivilege 4996 powershell.exe Token: SeDebugPrivilege 3200 powershell.exe Token: SeDebugPrivilege 3484 powershell.exe Token: SeDebugPrivilege 4736 powershell.exe Token: SeDebugPrivilege 4764 powershell.exe Token: SeSystemEnvironmentPrivilege 2112 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 2992 wrote to memory of 2868 2992 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe 90 PID 2992 wrote to memory of 2868 2992 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe 90 PID 2992 wrote to memory of 2868 2992 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe 90 PID 2848 wrote to memory of 1744 2848 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe 95 PID 2848 wrote to memory of 1744 2848 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe 95 PID 2848 wrote to memory of 1744 2848 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe 95 PID 2848 wrote to memory of 1252 2848 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe 98 PID 2848 wrote to memory of 1252 2848 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe 98 PID 1252 wrote to memory of 452 1252 cmd.exe 100 PID 1252 wrote to memory of 452 1252 cmd.exe 100 PID 2848 wrote to memory of 4996 2848 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe 103 PID 2848 wrote to memory of 4996 2848 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe 103 PID 2848 wrote to memory of 4996 2848 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe 103 PID 2848 wrote to memory of 3200 2848 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe 105 PID 2848 wrote to memory of 3200 2848 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe 105 PID 2848 wrote to memory of 3200 2848 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe 105 PID 2848 wrote to memory of 2112 2848 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe 107 PID 2848 wrote to memory of 2112 2848 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe 107 PID 2848 wrote to memory of 2112 2848 52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe 107 PID 2112 wrote to memory of 3484 2112 csrss.exe 108 PID 2112 wrote to memory of 3484 2112 csrss.exe 108 PID 2112 wrote to memory of 3484 2112 csrss.exe 108 PID 2112 wrote to memory of 4736 2112 csrss.exe 114 PID 2112 wrote to memory of 4736 2112 csrss.exe 114 PID 2112 wrote to memory of 4736 2112 csrss.exe 114 PID 2112 wrote to memory of 4764 2112 csrss.exe 116 PID 2112 wrote to memory of 4764 2112 csrss.exe 116 PID 2112 wrote to memory of 4764 2112 csrss.exe 116 PID 2112 wrote to memory of 1252 2112 csrss.exe 118 PID 2112 wrote to memory of 1252 2112 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\52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe"C:\Users\Admin\AppData\Local\Temp\52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2992 -
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:2868
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C:\Users\Admin\AppData\Local\Temp\52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.exe"C:\Users\Admin\AppData\Local\Temp\52a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78.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:2848 -
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:1744
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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:1252 -
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:452
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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:4996
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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:3200
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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
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2112 -
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:3484
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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:2056
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2168
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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:4736
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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:4764
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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:1252
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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:724
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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
MD59fc78b7208b74a476a032834aa7bfc07
SHA1434cb46ed4fd0fc4844eb8fc516e5b5d552cfb8a
SHA2561bbc4e12d621b2fda8c7e479e1e03ffeec2c73821af561c1d40496532b1566b2
SHA51219dce4d64e23cf15145fcbd319f22745315a545d53ea1927a34c918f7fb2065e406b5cdb38db684282880265e0fb7913d12d0e10c4b1d9b9be6ef4c06232f0cb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e19f8742e3a85c1f0678d379c4659cf3
SHA19109d933012c7ff7bc96c5dce1c73480dcfd29c0
SHA2567e42b925c4a123d7d59b39ce09ba8374d34563aaa1dd5487fd78a77f537eefa5
SHA512b9a9a65b53d17f30366cb297021fb970c3ec12960b5d41a13176524c733b60388b1ef091160a59487ea7f1af0a4d1e2e26ddd2c911729a13a8f5a33400ecce62
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD590154c1db102dde07b897b3fb26a1be6
SHA191ea005704fd9c00f63e56fbb0d03018272318cf
SHA25679e017024e098d729a89b5825313bd8f6ca80ad05e4e761505bb673ba6d647a3
SHA51220fe1dea1e76bb8a87b395dee762bd1052a720a0123e0516ba9f501ffa7976abc7a6672609721cd6107c96eae79ddc84391993f59d73fe2a2bc419981bd80192
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51350794316737d40d7c757554a8d5d81
SHA16192bd28cfdba72137f3b60a1bad28c74509b0a4
SHA256bb68265918eed0e55a43ab00df4bb3c92bc5ebad3231398e1ecf40f45d8a13a9
SHA512c520b8e171ac612824cd8437e0194c37ccc500dbeec792b168413906d3d3d5e4f1c107a197ed4061dfd644341c3b79530c196a4bcc09894089b63c2d3b0cc498
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53b35354d3b3a6c6e542d2836d7713728
SHA1bf0d244e6d7eb567e5069988a03fc155a6885b28
SHA256b06890c96bdc30071a36d7eb965a2f8f6f7500939ab654cdc8621f45d05813ac
SHA512a24c0957ad6f07b6b41648c7961e6ad9e7406f531f8f367a542ddd65b460ffb9276b7f3ebcb4913d4150a4d1f5f748567dd19b46e6a8fc909395decba3a14126
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Filesize
4.2MB
MD59e95a2f30e9621a865f2dfc65dc24673
SHA1c25c03c225709bff58f0fca6bf93c17b28a99aca
SHA25652a39ad858c97ff0fd70f58eb0efbd6bd41e27f19872cd585370e5e2583c2a78
SHA512478eb0640bb5584842d3f8bc00ac7b575f345fc3e70cf04f3b272bf2487af898cbb2f82522b994a7e858bfdc78df89facae968cf6a775c972a5d387710f52e5e