wannacry | 1682479d1a79cbab8381e1c5119ea2c2ae1bf3bed255396d2a0fa35c96619cba

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-11-2024 12:29

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General

Target

2024-11-30_f07b258f4b9e950f19e98bc7af409f74_wannacry.exe
Size

5.0MB
MD5

f07b258f4b9e950f19e98bc7af409f74
SHA1

439806660ba405660165a0d30c5a6c5545fb656d
SHA256

1682479d1a79cbab8381e1c5119ea2c2ae1bf3bed255396d2a0fa35c96619cba
SHA512

a7839c4cda8f98919e6d0480cb50b482758e907a279d30d2093b9e957c3b017391f9f26869de88340d04060378ff398add29464f874fd29c8babd693b8842d0d
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAAAEau3R8yAH1plAH:yDqPoBhz1aRxcSUDk36SAG3R8yAVp2H

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 (3354) 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
2388	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	2024-11-30_f07b258f4b9e950f19e98bc7af409f74_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	2024-11-30_f07b258f4b9e950f19e98bc7af409f74_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-30_f07b258f4b9e950f19e98bc7af409f74_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-30_f07b258f4b9e950f19e98bc7af409f74_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-11-30_f07b258f4b9e950f19e98bc7af409f74_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-11-30_f07b258f4b9e950f19e98bc7af409f74_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-11-30_f07b258f4b9e950f19e98bc7af409f74_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-11-30_f07b258f4b9e950f19e98bc7af409f74_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-30_f07b258f4b9e950f19e98bc7af409f74_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-30_f07b258f4b9e950f19e98bc7af409f74_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2324
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2388

C:\Users\Admin\AppData\Local\Temp\2024-11-30_f07b258f4b9e950f19e98bc7af409f74_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-30_f07b258f4b9e950f19e98bc7af409f74_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4876

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
e56e407c6ae82e69619d190d21fd06ec

SHA1
a0329c0d7c173d712d5695b42b88371b63f09820

SHA256
7d6d1b598c74ddf9d04efb3efdf49b1d030a6e54057bb20dae1d331de6a7b05e

SHA512
167e5962ac0c1db34f6a6c4bcc1b033f3e153e069da3d4c079ef476979c99388bb8e136880b68f12ac7fb6f3d7770f9c1caf903e859db476a0f95246a4a25916

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