wannacry | 72beedaed8ef9d2d5eb1d9a8410276fee83f4da5de7e9d4c8bef4e7fbeb3be1d

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20251231-en
resource tags

arch:x64arch:x86image:win10v2004-20251231-enlocale:en-usos:windows10-2004-x64system
submitted
06/01/2026, 07:32

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
72beedaed8ef9d2d5eb1d9a8410276fee83f4da5de7e9d4c8bef4e7fbeb3be1d.dll
Size 5.0MB
Sample260106-jc6wpsev2c
SHA256 72beedaed8ef9d2d5eb1d9a8410276fee83f4da5de7e9d4c8bef4e7fbeb3be1d
MD5 20ef171731af9752a83cece44d65a2eb
SHA1 8464301c80afbff7638b92c6bcbdd45774be6a97
SHA512 0cf8ccafdfed207911adc006600087330fe927991778ea82b396250486ef802074081006f348b4cae69f3a53bb20ac225ec770e460e7768b9c270a8569de6e11
SSDEEP 24576:zbLgddQhfdmMSirYbcMNgef0QeQjG/D8kIqRYo:znAQqMSPbcBVQej/1
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

discovery wannacry ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Wannacry family
wannacry
Contacts a large (3341) 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
3444	mssecsvc.exe
3912	mssecsvc.exe
2476	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\tasksche.exe	mssecsvc.exe
File created	C:\WINDOWS\mssecsvc.exe	rundll32.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	mssecsvc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mssecsvc.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
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
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

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4876 wrote to memory of 1556	4876	rundll32.exe	84
PID 1556 wrote to memory of 3444	1556	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\72beedaed8ef9d2d5eb1d9a8410276fee83f4da5de7e9d4c8bef4e7fbeb3be1d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4876
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\72beedaed8ef9d2d5eb1d9a8410276fee83f4da5de7e9d4c8bef4e7fbeb3be1d.dll,#1
  2⤵
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1556
- - C:\WINDOWS\mssecsvc.exe
    C:\WINDOWS\mssecsvc.exe
    3⤵
    - Executes dropped EXE
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    PID:3444
  - - C:\WINDOWS\tasksche.exe
      C:\WINDOWS\tasksche.exe /i
      4⤵
      Executes dropped EXE
      PID:2476

C:\WINDOWS\mssecsvc.exe
C:\WINDOWS\mssecsvc.exe -m security
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3912

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

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 56a5bf745d829d0c55fde00b06dffd1c9f38d3a02fea0879576d84607a55a3b2
MD5 eb1727bd02909327c3e965733f033f7f
SHA1 54778ffa5296a9f7a0600cd5c5b50b9f7d0ae62e
SHA512 4015d5c14f6d9d97fd4552ee0ade64dfc6958bd2e1fafa847d6233e7d89700afc849c30229597f3d941f17cda2fe2ad8a128ccabcfe22362428e6e19dfe62f72
SSDEEP 24576:XbLgddQhfdmMSirYbcMNgef0QeQjG/D8kIqRYo:XnAQqMSPbcBVQej/1
MD5 SHA1 SHA512 SSDEEP

Submit Download

tasksche.exe

Path C:\Windows\tasksche.exe
Size 3.4MB
SHA256 316a63b3960a4f7183b535de13e64b5aa556ebbd6f5009faaca4a540dc2da452
MD5 1cc8d08ba91ea363f5a4d9ab3e56a0c6
SHA1 19063ed2ef149e4af440bfecbbf71c34e341c8e2
SHA512 6be035dd7d22ea5e55f2bf3a19478196ea8e9296800b15324d87035f460a850e4ed4fec5dc6e33ca93148f2f12d09f51af203fb085b3db87155b3c753ce91855
SSDEEP 24576:nQhfdmMSirYbcMNgef0QeQjG/D8kIqRYo:nQqMSPbcBVQej/1
MD5 SHA1 SHA512 SSDEEP