wannacry | 877ba92ed382dcc72ab80070abefc329a3fd5a08abff32a3c6214f60a55f4bef

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01-10-2024 21:19

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General

Target

20241001e4e87d0802708131468dcd14d23591d7wannacry.exe
Size

3.6MB
MD5

e4e87d0802708131468dcd14d23591d7
SHA1

61e7abaef16972f77624bde801bdfa985f90023f
SHA256

877ba92ed382dcc72ab80070abefc329a3fd5a08abff32a3c6214f60a55f4bef
SHA512

baa6a99eae00779dda178dc761cea7be33d860cc86e91a466f36bdfcefe145aa972d2b9eadfa1278e1045bc0c88f5567cd7d822f74befbaa4919784e7549140e
SSDEEP

49152:2njQqMSPbcBVQej/1INRx+TSqTdX1HkQ/:y8qPoBhz1aRxcSUDkw

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3309) 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
1020	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	20241001e4e87d0802708131468dcd14d23591d7wannacry.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	20241001e4e87d0802708131468dcd14d23591d7wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	20241001e4e87d0802708131468dcd14d23591d7wannacry.exe

C:\Users\Admin\AppData\Local\Temp\20241001e4e87d0802708131468dcd14d23591d7wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\20241001e4e87d0802708131468dcd14d23591d7wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1676
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1020

C:\Users\Admin\AppData\Local\Temp\20241001e4e87d0802708131468dcd14d23591d7wannacry.exe
C:\Users\Admin\AppData\Local\Temp\20241001e4e87d0802708131468dcd14d23591d7wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
PID:4972

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
7342560f7cc742fbf83d2094ca001795

SHA1
0e28003f0eb353222fe31787dfabfa0eabc492a5

SHA256
9d93290d09ab9165d687a7630de896c6eaaf950be43252b257e5caa100600817

SHA512
79b4af3796d26cee7e78c8e0874ec531b3db9795774180c0cb190f25e45df60574427411f95f070498e1117dd946133ec1471ef12051d66a2fc05835e7b30d41

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