wannacry | d33ef9f7dc8397bf370053aa12fbb0999df1e59fd53de42fd0b69b5a47602f04

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07-09-2024 14:25

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General

Target

2024-09-07_a5b0927b61e603acf296f7a2c6a2f04d_wannacry.exe
Size

3.6MB
MD5

a5b0927b61e603acf296f7a2c6a2f04d
SHA1

c4d016e4eb7beb7336010eb04a1b647ddd03c457
SHA256

d33ef9f7dc8397bf370053aa12fbb0999df1e59fd53de42fd0b69b5a47602f04
SHA512

34e9838c16e1c692cca30fa6390e8b63b2214ace8b1bf0a0da70332d3adaee829c3a43ff5b73257414cc9a054fe66141d6482a616271a823efe5e244a4ca6f3b
SSDEEP

49152:2njQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAA7dhnvxJM0H9:y8qPoBhz1aRxcSUDk36SAOdhvxWa9

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3304) 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
4808	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	2024-09-07_a5b0927b61e603acf296f7a2c6a2f04d_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	2024-09-07_a5b0927b61e603acf296f7a2c6a2f04d_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-07_a5b0927b61e603acf296f7a2c6a2f04d_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-07_a5b0927b61e603acf296f7a2c6a2f04d_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-07_a5b0927b61e603acf296f7a2c6a2f04d_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:632
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4808

C:\Users\Admin\AppData\Local\Temp\2024-09-07_a5b0927b61e603acf296f7a2c6a2f04d_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-07_a5b0927b61e603acf296f7a2c6a2f04d_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
PID:3632

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

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
6e04a84c627b1bf554cf13c8c65e3757

SHA1
a04b6fb5df70779f19f98c9a2bf496d3f4a83dca

SHA256
1f00af3cb497ab7dbc7b6e6ed5e6529420d9d300788290c4cab38eeec1456851

SHA512
1b163b721638a9b8ea827054379363e8bc0c899ccc3e4281e0a8dfecd67bfe8d7ce452d7234de09c3d661f1ac649b37ee025b4833d5c23ebed5deec428d2b56b

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