wannacry | 4f4dca8ac3dc775f14d258163c498b3e89bc727a4ebb0a10728a3b526d011636

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
12-12-2024 11:50

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General

Target

2024-12-12_714923e33593306391523aca70a1fd09_wannacry.exe
Size

5.0MB
MD5

714923e33593306391523aca70a1fd09
SHA1

06a7f0a7464523c764123983cd6b224028dc7f01
SHA256

4f4dca8ac3dc775f14d258163c498b3e89bc727a4ebb0a10728a3b526d011636
SHA512

63c72525a99d060ee57145cae6517f8f2a1a5f5cd5f70d17b391f382ba6beb45a051dadb6f169b7cb4b9b73b44a40705f817607464b716a27d901658901533f9
SSDEEP

49152:XnAQqMSPbcBVQej/1IkvxJM0H9PAMEcaEau3R8yAH1plAH:XDqPoBhz1rxWa9P593R8yAVp2H

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 (3299) 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
3556	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	2024-12-12_714923e33593306391523aca70a1fd09_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	2024-12-12_714923e33593306391523aca70a1fd09_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-12_714923e33593306391523aca70a1fd09_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\ProxyBypass = "1"	2024-12-12_714923e33593306391523aca70a1fd09_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-12-12_714923e33593306391523aca70a1fd09_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-12-12_714923e33593306391523aca70a1fd09_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-12-12_714923e33593306391523aca70a1fd09_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-12_714923e33593306391523aca70a1fd09_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-12_714923e33593306391523aca70a1fd09_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-12_714923e33593306391523aca70a1fd09_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3896
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3556

C:\Users\Admin\AppData\Local\Temp\2024-12-12_714923e33593306391523aca70a1fd09_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-12_714923e33593306391523aca70a1fd09_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1360

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
0d546b10fd18556ea47e87520c851b9c

SHA1
68870aad4a61603e1c8771eb72587b3fc1c3262f

SHA256
9ec92fed61ed86711baa9b61be131dc37540aed1b5051eb5743c473dc3825c5f

SHA512
f58c592d341cf5391c5e1b65fb56fcb2ce9cf1dd0e67e549d154f152e919d9b8c5463c420eb9a99b5cd8b557ab4c363adcaaab87ce942200b9ac06d242eb1cd4

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