Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
27/10/2026, 02:44
General
- Target c82e1590e9059497aca0eb8e4478de1e71230bdbeb3b10df020ae9ec81de60c9.dll
- Size 5.0MB
- Sample261027-c8jmqaaz3p
- SHA256 c82e1590e9059497aca0eb8e4478de1e71230bdbeb3b10df020ae9ec81de60c9
Malware Config
Signatures
- Family: Wannacry
WannaCry is a ransomware cryptoworm.
- Modifies firewall policy service 3 TTPs 4 IoCs
- Contacts a large (3284) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
- Executes dropped EXE 2 IoCs
- 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
- Program crash 1 IoCs
- 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.
- 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.
- Modifies data under HKEY_USERS 5 IoCs
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious behavior: MapViewOfSection 1 TTPs 64 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\c82e1590e9059497aca0eb8e4478de1e71230bdbeb3b10df020ae9ec81de60c9.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\c82e1590e9059497aca0eb8e4478de1e71230bdbeb3b10df020ae9ec81de60c9.dll,#12⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\WINDOWS\mssecsvc.exeC:\WINDOWS\mssecsvc.exe3⤵
- Modifies firewall policy service
- 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
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1724 -s 14084⤵
- Program crash
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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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 1724 -ip 17241⤵
Network
MITRE ATT&CK Enterprise v16
Privilege Escalation
Create or Modify System Process
1Windows Service
1Process Injection
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
1Process Injection
1Replay Monitor
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Downloads
mssecsvc.exe
memory/1724-14-0x000000007FE40000-0x000000007FE4C000-memory.dmp
memory/1724-6-0x0000000077CC2000-0x0000000077CC3000-memory.dmp
memory/1724-5-0x000000007FE40000-0x000000007FE4C000-memory.dmp
memory/1724-7-0x0000000077CC3000-0x0000000077CC4000-memory.dmp
memory/1724-8-0x000000007FE40000-0x000000007FE4C000-memory.dmp
memory/1724-11-0x000000007FE30000-0x000000007FE3C000-memory.dmp
memory/1724-12-0x000000007FE30000-0x000000007FE3C000-memory.dmp
memory/1724-4-0x0000000000400000-0x0000000000A73000-memory.dmp
memory/1724-16-0x000000007FE30000-0x000000007FE3C000-memory.dmp
memory/1724-18-0x0000000000400000-0x0000000000A73000-memory.dmp
memory/3820-10-0x0000000000400000-0x0000000000A73000-memory.dmp
memory/3820-19-0x0000000000400000-0x0000000000A73000-memory.dmp