wannacry | 2fe97457d9190502797c31867f03d7e60aa4cf8e9f5e3583245b3c2d1d5c9051

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
13/09/2026, 01:56

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General

Target
2026-09-12_50af3abeb2f9b6a1fb049c6dcaf8e828_elex_wannacry.exe
Size 2.2MB
Sample260913-ccvecazcra
SHA256 2fe97457d9190502797c31867f03d7e60aa4cf8e9f5e3583245b3c2d1d5c9051
MD5 50af3abeb2f9b6a1fb049c6dcaf8e828
SHA1 945c0d9d19ab59cfe672e50e8f85a06e555947b4
SHA512 b582535ec43d49ff65c2f95c58697f9af86851d83fe4bb932764aabead3781b4527e980a36e427eaf4ef3966c75a31f34dc49d9475a355a20cc4284aaf1437db
SSDEEP 3072:4V+LydVaND9yup3hILEVTCW5DgSglPJTcMXaDfldx0dFJtkoeV0XXQLo:eE9l9yYRIYVTH5DgSgNajldktM0XXao
TLSH
T146B5BE0A669C80B8C409923094B74F24E6B7BC5E2638D64F1B64FF661FB3391B569F13
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 (2784) 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 1 IoCs

pid	Process
4436	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 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2026-09-12_50af3abeb2f9b6a1fb049c6dcaf8e828_elex_wannacry.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4168	4436	WerFault.exe	88
708	4436	WerFault.exe	88

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	2026-09-12_50af3abeb2f9b6a1fb049c6dcaf8e828_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tasksche.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-09-12_50af3abeb2f9b6a1fb049c6dcaf8e828_elex_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2026-09-12_50af3abeb2f9b6a1fb049c6dcaf8e828_elex_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2026-09-12_50af3abeb2f9b6a1fb049c6dcaf8e828_elex_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2026-09-12_50af3abeb2f9b6a1fb049c6dcaf8e828_elex_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2026-09-12_50af3abeb2f9b6a1fb049c6dcaf8e828_elex_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2026-09-12_50af3abeb2f9b6a1fb049c6dcaf8e828_elex_wannacry.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4640 wrote to memory of 4436	4640	2026-09-12_50af3abeb2f9b6a1fb049c6dcaf8e828_elex_wannacry.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-09-12_50af3abeb2f9b6a1fb049c6dcaf8e828_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-09-12_50af3abeb2f9b6a1fb049c6dcaf8e828_elex_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4640
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4436
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4436 -s 260
    3⤵
    - Program crash
    PID:4168
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4436 -s 264
    3⤵
    - Program crash
    PID:708

C:\Users\Admin\AppData\Local\Temp\2026-09-12_50af3abeb2f9b6a1fb049c6dcaf8e828_elex_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2026-09-12_50af3abeb2f9b6a1fb049c6dcaf8e828_elex_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2400

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4436 -ip 4436
1⤵
PID:5912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 392 -p 4436 -ip 4436
1⤵
PID:5288

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

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Downloads

tasksche.exe

Path C:\Windows\tasksche.exe
Size 2.0MB
SHA256 45b56b1c74999cbfafb7999eec7d0fbfb42df39c4917675ee2d1839fdd251bee
MD5 2da26e311d2974159277b5126102e74c
SHA1 19e9ea987c97ef79480e30a3545253ba5fb76102
SHA512 6cf469c28add0f7403c02a1fdd844eaf53065a99478b3224961f7771e3f218687bc349baa294e43bc257462713f3010e227e5cbf425c3dc5dd711af3c8433227
SSDEEP 48:CHQUTYHRODBAUgtwJaMLdK7ng8+hLYsvLWV8SJfnckDt6WdeVRHyrMu3LQWnXYvU:ChrAb4Q7HuLm3fnFt6WdeTyrMtkpB
TLSH
T153955E97A4C65936D14C1D70D6A89B80D2234EA53A6CF6457F92FE2A73B37F27042813
MD5 SHA1 SHA512 SSDEEP TLSH

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