wannacry | 0ae1188b452f52be4da2569a84dc54ba859e2daa7a79417d4e8e0c50d4238f9e

Analysis

max time kernel
112s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
07/01/2024, 12:09

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General

Target

2024-01-06_4f29080b27595a76a043e3ced310dc06_wannacry.exe
Size

5.0MB
MD5

4f29080b27595a76a043e3ced310dc06
SHA1

1012de56ec49f9190834712aa5790b22eda390cf
SHA256

0ae1188b452f52be4da2569a84dc54ba859e2daa7a79417d4e8e0c50d4238f9e
SHA512

40776890a6b4660104ab7836ad68890b5a07815a8b64a47b2b687d677f17f23b3f80c9f88fd99aae6491b4682e311a2a0eac0287e5bfc73a2aafee38bcb6eaf7
SSDEEP

6144:GE9l9yUqIYVTH5DgSg8ajldktM0XXrP2QhMV9qbBLIwYQuy8D:GvbLgPlu+QhMbaIMu7

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (2615) 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
4788	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	2024-01-06_4f29080b27595a76a043e3ced310dc06_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\AutoDetect = "0"	2024-01-06_4f29080b27595a76a043e3ced310dc06_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-01-06_4f29080b27595a76a043e3ced310dc06_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-01-06_4f29080b27595a76a043e3ced310dc06_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-01-06_4f29080b27595a76a043e3ced310dc06_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-01-06_4f29080b27595a76a043e3ced310dc06_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-01-06_4f29080b27595a76a043e3ced310dc06_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-06_4f29080b27595a76a043e3ced310dc06_wannacry.exe"
1⤵
- Drops file in Windows directory
PID:3796
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4788

C:\Users\Admin\AppData\Local\Temp\2024-01-06_4f29080b27595a76a043e3ced310dc06_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-01-06_4f29080b27595a76a043e3ced310dc06_wannacry.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:5020

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

T1046

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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