wannacry | 7ab0d621d36b1f515c2ba2f55855bdef4fbd389238247abeb05724ccb0d50de7

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
11-12-2024 10:50

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General

Target

2024-12-11_2614c782685fec6a5b83274befa9f390_wannacry.exe
Size

5.0MB
MD5

2614c782685fec6a5b83274befa9f390
SHA1

a55413cf8afaf3f7528f2df2ab07d2735ff92162
SHA256

7ab0d621d36b1f515c2ba2f55855bdef4fbd389238247abeb05724ccb0d50de7
SHA512

797acb6dbc39f417f13e2473dd32a1e40f76ec2ddb787a93bdf0929b663a8f00d73be7ac75af06cf6d8473ed240e7e9c296186fc8589347e72267e9504fd962b
SSDEEP

49152:XnAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvxJM0H9PAMEcaEa:XDqPoBhz1aRxcSUDk36SAEdhvxWa9P5

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 (3154) 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
4544	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	2024-12-11_2614c782685fec6a5b83274befa9f390_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	2024-12-11_2614c782685fec6a5b83274befa9f390_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-11_2614c782685fec6a5b83274befa9f390_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-11_2614c782685fec6a5b83274befa9f390_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-12-11_2614c782685fec6a5b83274befa9f390_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-12-11_2614c782685fec6a5b83274befa9f390_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-12-11_2614c782685fec6a5b83274befa9f390_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-12-11_2614c782685fec6a5b83274befa9f390_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-11_2614c782685fec6a5b83274befa9f390_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-11_2614c782685fec6a5b83274befa9f390_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1320
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4544

C:\Users\Admin\AppData\Local\Temp\2024-12-11_2614c782685fec6a5b83274befa9f390_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-11_2614c782685fec6a5b83274befa9f390_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:736

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
473ce92136b3c518847c96c83ebf6a6c

SHA1
01ad8876ec515dda21e8c807d0fae3f8d8f5b3e3

SHA256
d9f903ae09151dd0953db15026d54265218e73d9aac5e9dac6a9219040ee9890

SHA512
653771f676ab6382d3f18e02e04f1b7b7a7a956860449db5ac6c98e39c9425f942e700b1766dd6588461b70e29621d4460270e4d95ee905e3d0a44d21572c5f7

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