wannacry | 5fcb5bf96ac2fe8a70718d871299cc12f68018486668d9eb86dd79bcdb184c36

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15-12-2024 12:15

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General

Target

2024-12-15_bdc7d46b208994eb8936158733cea5ae_wannacry.exe
Size

5.0MB
MD5

bdc7d46b208994eb8936158733cea5ae
SHA1

30e024ff79ded58653b84ee0d0534bf3a6b52c29
SHA256

5fcb5bf96ac2fe8a70718d871299cc12f68018486668d9eb86dd79bcdb184c36
SHA512

287b04da69e76da08de4a5f4d3324a3c78d7e7912f5efcd27c2a01f705309ac3549b2cb5b2f2b2ab7b4b9c6a2f749ae62491e101e7710e777dbc5244ce524433
SSDEEP

98304:XDqPoBhxaRxcSUDL6SAEdhvxWa9P593R:XDqPmCxcxLZAEUadzR

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 (3367) 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
1172	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	2024-12-15_bdc7d46b208994eb8936158733cea5ae_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	2024-12-15_bdc7d46b208994eb8936158733cea5ae_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-15_bdc7d46b208994eb8936158733cea5ae_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-15_bdc7d46b208994eb8936158733cea5ae_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-12-15_bdc7d46b208994eb8936158733cea5ae_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-12-15_bdc7d46b208994eb8936158733cea5ae_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-12-15_bdc7d46b208994eb8936158733cea5ae_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-12-15_bdc7d46b208994eb8936158733cea5ae_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-15_bdc7d46b208994eb8936158733cea5ae_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-15_bdc7d46b208994eb8936158733cea5ae_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4888
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1172

C:\Users\Admin\AppData\Local\Temp\2024-12-15_bdc7d46b208994eb8936158733cea5ae_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-15_bdc7d46b208994eb8936158733cea5ae_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:820

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

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
cca0fe4a8f4a0aee809247e99671d0af

SHA1
6a483c599b200feacb4c52a24fac88b156f72cf4

SHA256
b995a6fffedb93d4e8c9119f711f1fd3541ffa18f4be72b6155f84a94a917d98

SHA512
9b651a1f50e0fdf1c75967f351a6b5662eb7f9c50c7c9b4aade70abddca3a1e14e50d777e1e8d63c1547526bb45780658bea25f494f244b07f540dc1636d66e0

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