wannacry | 74d43d1527c2d08b659a8733601eb2794c7e13c1bf83ec057b1d9931458ab168

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
20-01-2025 02:36

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General

Target

2025-01-20_dea3dc5bd274c47df5b07a61ea83c115_wannacry.exe
Size

3.6MB
MD5

dea3dc5bd274c47df5b07a61ea83c115
SHA1

2de0167aa2456e506a887174f4fb8518ea201eaa
SHA256

74d43d1527c2d08b659a8733601eb2794c7e13c1bf83ec057b1d9931458ab168
SHA512

58ed310b3f936da7a99ec6e294a92a1d2364fb1265f6e70e8854f72ba4bf913f8be5854eee3fdce5dc696ef6b162a34839b40e0b169b1331a7ac82dea7f9476f
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhiwd10lWUaIlf85haAj/K2A:yDqPoBhz1aRxcSUDk36SAEdhEnfKhhrO

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 (3265) 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
1232	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	2025-01-20_dea3dc5bd274c47df5b07a61ea83c115_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	2025-01-20_dea3dc5bd274c47df5b07a61ea83c115_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-20_dea3dc5bd274c47df5b07a61ea83c115_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\IntranetName = "1"	2025-01-20_dea3dc5bd274c47df5b07a61ea83c115_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-01-20_dea3dc5bd274c47df5b07a61ea83c115_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-01-20_dea3dc5bd274c47df5b07a61ea83c115_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-01-20_dea3dc5bd274c47df5b07a61ea83c115_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-01-20_dea3dc5bd274c47df5b07a61ea83c115_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-20_dea3dc5bd274c47df5b07a61ea83c115_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-20_dea3dc5bd274c47df5b07a61ea83c115_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:5052
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1232

C:\Users\Admin\AppData\Local\Temp\2025-01-20_dea3dc5bd274c47df5b07a61ea83c115_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-20_dea3dc5bd274c47df5b07a61ea83c115_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3248

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
609f9f0f5a0fd3252761ffbc73695450

SHA1
716c011381ce6c69d871b27222bf6acbb43f1079

SHA256
baa09e7a379df50514103b34640d1f39658ff2698dbef3f8fb7057d91d2fff1a

SHA512
195f2dda68f8dfab2bc9c6f225584350ef5869ac61438bcde18d067fea9f592cd179cc2810e51d71975c12767fe8c1bac038755042c28cf439dc3253b8486de3

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