wannacry | 40c89149489eb496635372b379a8f5437c01013d0119a480031a183c9fff4b37

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
22/05/2024, 22:52

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
2024-05-22_ac15c0ef7b0cfd62f087ccb06db91f5d_wannacry.exe
Size 3.6MB
Sample240522-2tjrlscb22
SHA256 40c89149489eb496635372b379a8f5437c01013d0119a480031a183c9fff4b37
MD5 ac15c0ef7b0cfd62f087ccb06db91f5d
SHA1 97c55ce90ecb1197d39c4b3c3f954bd8105c1c31
SHA512 90de24ed02957057ab5dcb5e97fc03f1165ac97dff491709854eaec2c959c65e10b8a1ca17ee87d3a147d0c6b22d55b86ca99c8365e794271a0179dbf6cf3c94
SSDEEP 12288:GebLgPlu+QhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7:XbLgddQhfdmMSirYbcMNge
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3329) 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
2300	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	2024-05-22_ac15c0ef7b0cfd62f087ccb06db91f5d_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\ProxyBypass = "1"	2024-05-22_ac15c0ef7b0cfd62f087ccb06db91f5d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-05-22_ac15c0ef7b0cfd62f087ccb06db91f5d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-05-22_ac15c0ef7b0cfd62f087ccb06db91f5d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-05-22_ac15c0ef7b0cfd62f087ccb06db91f5d_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-05-22_ac15c0ef7b0cfd62f087ccb06db91f5d_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-05-22_ac15c0ef7b0cfd62f087ccb06db91f5d_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-22_ac15c0ef7b0cfd62f087ccb06db91f5d_wannacry.exe"
1⤵
- Drops file in Windows directory
PID:5088
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2300

C:\Users\Admin\AppData\Local\Temp\2024-05-22_ac15c0ef7b0cfd62f087ccb06db91f5d_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-05-22_ac15c0ef7b0cfd62f087ccb06db91f5d_wannacry.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:4452

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

Replay Monitor

Loading Replay Monitor...

Downloads

tasksche.exe

Path C:\Windows\tasksche.exe
Size 3.4MB
SHA256 d1843b9bbc6b2b0ada802108622174ec06a7602f072d72f9b94f1061ba174e03
MD5 34f58fbfb5b65d11ddc3b677b9907737
SHA1 c5e77e73425a71201303fdc5d9ad47d466c57a4f
SHA512 3320d98e7eb92cda02aff16e7cd47b2c2ca5c7e43b581bc78fa1321f82ccb85f0bf619071e3cb5304a4ac526cb9f4cc5c1e1533c8035ebc2f4000211ea12f1d5
SSDEEP 12288:nQhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7:nQhfdmMSirYbcMNge
MD5 SHA1 SHA512 SSDEEP

Submit Download