wannacry | 4749853cc258f8cf7e75afd7ed39f51d45bd2c63b451c2842ff3413c6be74a2e

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-12-2024 10:22

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General

Target

2024-12-21_01e37d3034140d881ee8870fd9bf7466_wannacry.exe
Size

5.0MB
MD5

01e37d3034140d881ee8870fd9bf7466
SHA1

dd026c5338d67034beb7db41c9a4c497fafa0054
SHA256

4749853cc258f8cf7e75afd7ed39f51d45bd2c63b451c2842ff3413c6be74a2e
SHA512

e96ff455a42224ec167cf3c2bd111ec36d67fc0dbfc3bccd5b209ce08dad7eeb73764e3214f30dba46ab57959ec1ece75fcbafdd46432e4abba8e6def1a085ef
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvxJM0H9PAMEc:yDqPoBhz1aRxcSUDk36SAEdhvxWa9P5

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 (3357) 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
4896	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	2024-12-21_01e37d3034140d881ee8870fd9bf7466_wannacry.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	2024-12-21_01e37d3034140d881ee8870fd9bf7466_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-21_01e37d3034140d881ee8870fd9bf7466_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-21_01e37d3034140d881ee8870fd9bf7466_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-12-21_01e37d3034140d881ee8870fd9bf7466_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-12-21_01e37d3034140d881ee8870fd9bf7466_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-12-21_01e37d3034140d881ee8870fd9bf7466_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-12-21_01e37d3034140d881ee8870fd9bf7466_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-21_01e37d3034140d881ee8870fd9bf7466_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-21_01e37d3034140d881ee8870fd9bf7466_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4940
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4896

C:\Users\Admin\AppData\Local\Temp\2024-12-21_01e37d3034140d881ee8870fd9bf7466_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-21_01e37d3034140d881ee8870fd9bf7466_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3916

Network

MITRE ATT&CK Enterprise v15

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

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
c23365c3271e9954c216d11901eb2f37

SHA1
7e710847c33a3a3fd08ec22c415e8d0affc18ecf

SHA256
04ab7c2da4e1ed0f3dcf8a5aa43f8782059eb93a57e7900e35d44452f9133162

SHA512
c001db1deafcbb06c4f16a2d41e56fdfaaf7c5e51ecdbe03a7245643f81b575cf361f7a4e021818d20dc46c2e1e800009f5f87e028eb4a8379b103e48e8f3642

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