wannacry | aaa092a5c1481bcba68250f43201a17bcd996232ead22187b312a47e7ccbccde

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-10-2024 10:23

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General

Target

2024-10-18_af35eed94611b78c9a81c1142a250e5c_wannacry.exe
Size

5.0MB
MD5

af35eed94611b78c9a81c1142a250e5c
SHA1

d98f9c6bc1688ede12d0618e351b0e6b3207a323
SHA256

aaa092a5c1481bcba68250f43201a17bcd996232ead22187b312a47e7ccbccde
SHA512

1f184a4ba78996301d386eea1c20366f9d68dd45558c6b141beb26c35e9acb555e262eb91338fd30269b9b9eb93f9a53c6d90f53abc659a8e1d2a1466f676817
SSDEEP

49152:XnAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdh:XDqPoBhz1aRxcSUDk36SAEdh

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3297) 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
2284	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	2024-10-18_af35eed94611b78c9a81c1142a250e5c_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	2024-10-18_af35eed94611b78c9a81c1142a250e5c_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-18_af35eed94611b78c9a81c1142a250e5c_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-18_af35eed94611b78c9a81c1142a250e5c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-18_af35eed94611b78c9a81c1142a250e5c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-18_af35eed94611b78c9a81c1142a250e5c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-18_af35eed94611b78c9a81c1142a250e5c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-18_af35eed94611b78c9a81c1142a250e5c_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-18_af35eed94611b78c9a81c1142a250e5c_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-18_af35eed94611b78c9a81c1142a250e5c_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4368
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2284

C:\Users\Admin\AppData\Local\Temp\2024-10-18_af35eed94611b78c9a81c1142a250e5c_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-18_af35eed94611b78c9a81c1142a250e5c_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1096

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
52f6e1759e03ecec67f695eff0fcef18

SHA1
66fac9d83a148b917ac4c4a767af4a6eda1bf13f

SHA256
7546f77675d953469f9f928ed79de06161290f457a919bde21949578ac2d4e70

SHA512
5aa6be4dc540c5f2071c7c5456ec03f644b7bdcd0de3b603541c787055c40d3d21d6a5413dbb61714bbc40d06be6ebe61e4da835b09b29bbbe6805979e8d4124

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