wannacry | 2fe97457d9190502797c31867f03d7e60aa4cf8e9f5e3583245b3c2d1d5c9051

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 (3330) 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
888	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
1100	888	WerFault.exe	85
3960	888	WerFault.exe	85

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

Modifies data under HKEY_USERS 12 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2026-09-12_50af3abeb2f9b6a1fb049c6dcaf8e828_elex_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows	2026-09-12_50af3abeb2f9b6a1fb049c6dcaf8e828_elex_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion	2026-09-12_50af3abeb2f9b6a1fb049c6dcaf8e828_elex_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2026-09-12_50af3abeb2f9b6a1fb049c6dcaf8e828_elex_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\P3P	2026-09-12_50af3abeb2f9b6a1fb049c6dcaf8e828_elex_wannacry.exe
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\AutoDetect = "0"	2026-09-12_50af3abeb2f9b6a1fb049c6dcaf8e828_elex_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\P3P\History	2026-09-12_50af3abeb2f9b6a1fb049c6dcaf8e828_elex_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	2026-09-12_50af3abeb2f9b6a1fb049c6dcaf8e828_elex_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	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 4960 wrote to memory of 888	4960	2026-09-12_50af3abeb2f9b6a1fb049c6dcaf8e828_elex_wannacry.exe	85

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:4960
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:888
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 888 -s 216
    3⤵
    - Program crash
    PID:1100
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 888 -s 240
    3⤵
    - Program crash
    PID:3960

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:972

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 888 -ip 888
1⤵
PID:3692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 888 -ip 888
1⤵
PID:4128

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

2

T1046

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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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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