wannacry | c9b2bec1243391f0e37dcc44cc7b725aba495b954b3876e3395d3ae2d8faec2d

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
09/07/2024, 12:06

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General

Target

2024-07-09_ef0564bc53e8694a433d7c773fb11f1d_wannacry.exe
Size

5.0MB
MD5

ef0564bc53e8694a433d7c773fb11f1d
SHA1

f02a3250e23287312a3ddb5a1f2e605979ee5575
SHA256

c9b2bec1243391f0e37dcc44cc7b725aba495b954b3876e3395d3ae2d8faec2d
SHA512

ad7cf4dd221b46d129463d35442a9a99942304370bcd812f766d25cab83743658142edfaec5f186d8e2ab00c033af9f638d5ec1f0fe6de8036dbd2529de5331f
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAV:yDqPe1Cxcxk3ZAEUadzR8yc

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3316) 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
4676	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	2024-07-09_ef0564bc53e8694a433d7c773fb11f1d_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-07-09_ef0564bc53e8694a433d7c773fb11f1d_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-07-09_ef0564bc53e8694a433d7c773fb11f1d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-07-09_ef0564bc53e8694a433d7c773fb11f1d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-07-09_ef0564bc53e8694a433d7c773fb11f1d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-07-09_ef0564bc53e8694a433d7c773fb11f1d_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-07-09_ef0564bc53e8694a433d7c773fb11f1d_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-07-09_ef0564bc53e8694a433d7c773fb11f1d_wannacry.exe"
1⤵
- Drops file in Windows directory
PID:3276
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4676

C:\Users\Admin\AppData\Local\Temp\2024-07-09_ef0564bc53e8694a433d7c773fb11f1d_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-07-09_ef0564bc53e8694a433d7c773fb11f1d_wannacry.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:3488

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

T1046

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
5cad34d619855241557ec625ae46cfab

SHA1
a6d33d4c0cc6c4233c181346a52db27194a41e4e

SHA256
b5a1377a82b1a6dd922c1da9b1797897daf3b9044d2495bad4e8b8a32a47bf93

SHA512
16b32857173aa4b26a701e2499a8f3149e35b8853815d2098137745370abe1a3aa01b2487bd293315bb063c9c17663e09908fa49d9f41f6d959b52074e1b658d

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