wannacry | 9d0ca0685adf01d4688c8b2b2c544a4d54b07e4fbf7f600231b95937f170a437

Analysis

max time kernel
150s
max time network
153s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
27/10/2026, 01:04

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
9d0ca0685adf01d4688c8b2b2c544a4d54b07e4fbf7f600231b95937f170a437.dll
Size 5.0MB
Sample261027-be148szzcx
SHA256 9d0ca0685adf01d4688c8b2b2c544a4d54b07e4fbf7f600231b95937f170a437
MD5 e874f96f56ed4f872ef6dbd0e435ba4a
SHA1 77cd4c5d44260add8246fb3dc735cd9aff362ed9
SHA512 2462f040d6fceea2e80b4f2b17f6ab6aa3c7f88175644a37ac737e8765f93d2fdeac7597859a9dd0ab97730819f0e64df1de7cc92b4244be39dfd098f380c283
SSDEEP 24576:JbLgdeQhfdmYGH37byMgz6626M+vbOSSqTPVXmiHkQg6:JnjQqaAx+TSqTdX1HkQ
TLSH
T1A836C61076F82209E7B36FB015B957281BB6BE4A9C53838E16A4714E1C33F54DE7273A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery wannacry ransomware worm

Malware Config

Signatures

Family: Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3378) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046

Executes dropped EXE 3 IoCs

pid	Process
3748	mssecsvc.exe
4924	mssecsvc.exe
1204	tasksche.exe

Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046

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 2 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

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

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.

discovery

System Language Discovery

T1614.001

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

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4052 wrote to memory of 2876	4052	rundll32.exe	88
PID 2876 wrote to memory of 3748	2876	rundll32.exe	89

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9d0ca0685adf01d4688c8b2b2c544a4d54b07e4fbf7f600231b95937f170a437.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4052
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\9d0ca0685adf01d4688c8b2b2c544a4d54b07e4fbf7f600231b95937f170a437.dll,#1
  2⤵
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2876
- - C:\WINDOWS\mssecsvc.exe
    C:\WINDOWS\mssecsvc.exe
    3⤵
    - Executes dropped EXE
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    PID:3748
  - - C:\WINDOWS\tasksche.exe
      C:\WINDOWS\tasksche.exe /i
      4⤵
      Executes dropped EXE
      PID:1204

C:\WINDOWS\mssecsvc.exe
C:\WINDOWS\mssecsvc.exe -m security
1⤵
- Executes dropped EXE
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
PID:4924

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

T1046

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

mssecsvc.exe

Path C:\Windows\mssecsvc.exe
Size 3.6MB
SHA256 c2d0334fa0d9657b725c3ed8cd42e1334c0b548dbd664bafe344ff86d9666c94
MD5 e6ef1840aa7adfddd1c0700e133af378
SHA1 6c5bac27f774cdcc71bf132bf22aed2d3154d85a
SHA512 9354665e0d8de2ef010292a956e78fc886e498b3085073189286e12e914652e7fb345fc41bd9ad3dbeaf8d347a55ca5cd5833746e00e89f1df0c803b5d042b3d
SSDEEP 24576:VbLgdeQhfdmYGH37byMgz6626M+vbOSSqTPVXmiHkQg6:VnjQqaAx+TSqTdX1HkQ
TLSH
T17C06C61076F82209E7B36FB015B957281BB6BE4A9C53838E16A4714E1C33F54DE7273A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

tasksche.exe

Path C:\Windows\tasksche.exe
Size 3.4MB
SHA256 de3df8e9077666495b4901c8207c3b4a44aecece79b99187a410a814ee18d741
MD5 6bc9d358b83e565d0d0a6ebe13b5961c
SHA1 9fc7b26861acc29087eebc08fef50a77891162c9
SHA512 3761347d449a8bcd9d7ebf383c4e46787d85802c4015b233bb96689f9c16c38f407d9b5b0f05eae3a087f2c8f307defe54281076fd0785a923cbba55b334188d
SSDEEP 24576:nQhfdmYGH37byMgz6626M+vbOSSqTPVXmiHkQg6:nQqaAx+TSqTdX1HkQ
TLSH
T119F5A41076F82309E7B36FB015B957281BB5BE4A9C53838E16A4714E1C32F58DE7273A
MD5 SHA1 SHA512 SSDEEP TLSH