wannacry | 4aaaa40e78830f1f9dcf512d40290c7e5f326344d6f072862307c946501fd4c4

General

Target

2025-02-12_d245d3886b9facd2ffece1fa2747c778_wannacry.exe
Size

5.0MB
MD5

d245d3886b9facd2ffece1fa2747c778
SHA1

e5921b387d46f90a0b3aa5163c8229017ae97685
SHA256

4aaaa40e78830f1f9dcf512d40290c7e5f326344d6f072862307c946501fd4c4
SHA512

a6df291230a66515f1dc56913ef6c70d97aa437a38b0d25d4e8fee4d474abba5e244997ccefdbfa40b700797c3ad4105aa081ca56a0dd2e8d6389e64f8a9903f
SSDEEP

98304:XDqzz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2Hh:XDqn1Cxcxk3ZAEUadzR8yc4Hh

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Wannacry family
wannacry
Contacts a large (3286) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046

Downloads MZ/PE file 1 IoCs

flow	pid	Process
976	2948	Process not Found

Executes dropped EXE 1 IoCs

pid	Process
3608	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	2025-02-12_d245d3886b9facd2ffece1fa2747c778_wannacry.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	2025-02-12_d245d3886b9facd2ffece1fa2747c778_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-12_d245d3886b9facd2ffece1fa2747c778_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2656	MicrosoftEdgeUpdate.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"	2025-02-12_d245d3886b9facd2ffece1fa2747c778_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-02-12_d245d3886b9facd2ffece1fa2747c778_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-02-12_d245d3886b9facd2ffece1fa2747c778_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-02-12_d245d3886b9facd2ffece1fa2747c778_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-02-12_d245d3886b9facd2ffece1fa2747c778_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-02-12_d245d3886b9facd2ffece1fa2747c778_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-12_d245d3886b9facd2ffece1fa2747c778_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4560
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3608

C:\Users\Admin\AppData\Local\Temp\2025-02-12_d245d3886b9facd2ffece1fa2747c778_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-02-12_d245d3886b9facd2ffece1fa2747c778_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:244

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIxIiBpbnN0YWxsZGF0ZXRpbWU9IjE3MzkyODIxNjkiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4Mzc1MzE4NTEwMTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MDgzODQ1NTk3Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:2656

Network

MITRE ATT&CK Enterprise v15

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

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
1bbffaa7de860d78de68c363a9c9963b

SHA1
f28ab9e4afabb047f63265640efac8d3b1e00e4a

SHA256
d1b3ad243b579345c41ff92be36d71c6b9c66d04aacbec7820b9453615a58a3a

SHA512
317012fda97f68e68c68e4df44df0a13d391c9852263d53fc2e63fd5f70726cfab6736a37cd8def54da90c4f637c872e3ba2c2d6e192d1be4f59140b3b09eb12

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Analysis

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