Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
13/11/2026, 04:29
Static task
static1
Behavioral task
behavioral1
Sample
6baae61254a394d5ed1fd49998be11fa122f1fc8a2fe40836200409cb45e0a9a.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
6baae61254a394d5ed1fd49998be11fa122f1fc8a2fe40836200409cb45e0a9a.dll
Resource
win11ltsc2024-20260911-en
General
- Target 6baae61254a394d5ed1fd49998be11fa122f1fc8a2fe40836200409cb45e0a9a.dll
- Size 5.0MB
- Sample261113-e4j4ssf18j
- SHA256 6baae61254a394d5ed1fd49998be11fa122f1fc8a2fe40836200409cb45e0a9a
- MD5 df6a45d41ed9f0d7ce388441749b09c1
- SHA1 4ddbbd1bb87e82c242a1450b085416c56f444eb2
- SHA512 ecee346d8e67869fec27c80c2529ce85cf2b21946159e33022d5a3557656ae8e02ba1a0a01ec7880a78e8bb4bc8e81d75e4b13b1cf3ddae4700a9433609c4ad8
- SSDEEP 98304:TDqPoBhz1aRxcSUDk36SAEdhvxWa9P593xAVy:TDqPe1Cxcxk3ZAEUadzxcy
- TLSH T199363398723CA2BCE1450DB44463CA6AB7B73C6567FE5E0F8B4046660D43B5FBBD0A42
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Family: Wannacry
WannaCry is a ransomware cryptoworm.
- Contacts a large (3372) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
- Executes dropped EXE 3 IoCs
pid Process 5564 mssecsvc.exe 5248 mssecsvc.exe 1696 tasksche.exe - Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
- Drops file in Windows directory 2 IoCs
description ioc Process File created C:\WINDOWS\mssecsvc.exe rundll32.exe File created C:\WINDOWS\tasksche.exe mssecsvc.exe - Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname mssecsvc.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain mssecsvc.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname mssecsvc.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain mssecsvc.exe - System Location Discovery: System Language Discovery 1 TTPs 3 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 rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mssecsvc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mssecsvc.exe - Modifies data under HKEY_USERS 5 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" mssecsvc.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4628 wrote to memory of 2568 4628 rundll32.exe 89 PID 2568 wrote to memory of 5564 2568 rundll32.exe 90
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\6baae61254a394d5ed1fd49998be11fa122f1fc8a2fe40836200409cb45e0a9a.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4628 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\6baae61254a394d5ed1fd49998be11fa122f1fc8a2fe40836200409cb45e0a9a.dll,#12⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2568 -
C:\WINDOWS\mssecsvc.exeC:\WINDOWS\mssecsvc.exe3⤵
- Executes dropped EXE
- Drops file in Windows directory
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
PID:5564 -
C:\WINDOWS\tasksche.exeC:\WINDOWS\tasksche.exe /i4⤵
- Executes dropped EXE
PID:1696
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C:\WINDOWS\mssecsvc.exeC:\WINDOWS\mssecsvc.exe -m security1⤵
- Executes dropped EXE
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:5248
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\mssecsvc.exe
- Size 3.6MB
- SHA256 778af5b0ee5deb9c3bbae6e52ef57221ad76fdf7ab48948c9b1307ad7b752ca2
- MD5 31001873c3188f3661e51cd4a5b68ac3
- SHA1 208e9e3f3fa8ff5f64cc0aa922f6987db0aa9e6f
- SHA512 269e80dbe062845e048e862990598673478a1b2aa7dd126b9ff595ac6feb72439177c5ae0e61870ccff0ca20ec171c5da07becdcf0e625b9940520353c963880
- SSDEEP 98304:XDqPoBhz1aRxcSUDk36SAEdhvxWa9P593xAVyI:XDqPe1Cxcxk3ZAEUadzxcyI
- TLSH T196063398723CA2BCE1450DB44463CA2AB7B73C6567FE5E0F8B5046660D43B5FBBD0A42
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\tasksche.exe
- Size 3.4MB
- SHA256 f4f95d0dfb6687a46be4110b4605a4bef8372efc1a7c37fc72bb38666cf3cd11
- MD5 55a5b1bd926109c3f1c4eceaeffcac27
- SHA1 677f9433ba4cf5ae0ae0ccb27644f7447db3a6e4
- SHA512 067a1426dfe0c63d26332211bf9849235c2f667406b489e50ce56b977ad39c8bc3e57c72b0f7dea885b53710ec20b4642127b6791a5d30caab2dd8494ef8df7b
- SSDEEP 98304:QqPoBhz1aRxcSUDk36SAEdhvxWa9P593xAVyj:QqPe1Cxcxk3ZAEUadzxcyj
- TLSH T12EF533E8E231B76CF3451DF90453C56B2A9724B1AAEF1E1AD79001AA1C44F6F9BC09C6
- MD5 SHA1 SHA512 SSDEEP TLSH