wannacry | 4dbce54cfaf9c385aee5e8d55bcc0d7001e2c3ed84602f930b1ed7135db22b07

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
11-10-2024 01:14

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General

Target

2024-10-11_b7ab3e754ed6af3917628847902c825f_wannacry.exe
Size

3.6MB
MD5

b7ab3e754ed6af3917628847902c825f
SHA1

cbd908a84e9c1cf1bb5b96d6e6e4d72ba11b7599
SHA256

4dbce54cfaf9c385aee5e8d55bcc0d7001e2c3ed84602f930b1ed7135db22b07
SHA512

2613df484de9ee4d3cc88b57529fa84b1e9044e09b9f30a9d31d934bbd2686cb986089e60fadf1330f2a2e9256c3f24f343cd3ad954de7ce896453854088402f
SSDEEP

24576:VbLgdeQhfdmMSirYbcMNgef0QeQjG/D8kIqRYoAdNLKVEG:VnjQqMSPbcBVQej/1INlG

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3381) 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
4980	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	2024-10-11_b7ab3e754ed6af3917628847902c825f_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	2024-10-11_b7ab3e754ed6af3917628847902c825f_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-11_b7ab3e754ed6af3917628847902c825f_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-11_b7ab3e754ed6af3917628847902c825f_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-11_b7ab3e754ed6af3917628847902c825f_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:532
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4980

C:\Users\Admin\AppData\Local\Temp\2024-10-11_b7ab3e754ed6af3917628847902c825f_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-11_b7ab3e754ed6af3917628847902c825f_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
PID:2524

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
3cb5d371e74e0ca2f08b35d38486fc50

SHA1
75c88cdfdfdb79553ddce7e10ee5d7d1bb5c6a6e

SHA256
981633af5bf08cd1a33bd360d9d59de0a9abc19df00fa74605e64fa7e2542c77

SHA512
c59ddc7302f978b2d65d4fe2307cf30767164554e5965e54dfeb6369edd9357e998404d6f4fc577676c92501f3bd6002bc34a2ffe0609d95ccb9c05873ca0802

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