wannacry | d1fbe0d083b0427662d6191054493cc72a38a1684a8165696f1dc55813d8bf28

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-12-2024 10:51

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General

Target

2024-12-07_b385a9e7c98b2b006db23806a86b96dc_wannacry.exe
Size

5.0MB
MD5

b385a9e7c98b2b006db23806a86b96dc
SHA1

692879ad41d6c44c32b734d9c80237c852d798b1
SHA256

d1fbe0d083b0427662d6191054493cc72a38a1684a8165696f1dc55813d8bf28
SHA512

5fd924f0312e76255c44aef5535592544ad79d5d3217436a8b3c0b5e7f53ee868a3188c0eb1d332972977439b6cc49bf98c91920fb73e38eb62e61cb451e29b0
SSDEEP

49152:XnAQqMSPbcBVQ6+TSqTdX1HkQo6SAARdhnvxJM0H9PAMEcaEa:XDqPoBlcSUDk36SAEdhvxWa9P5

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 (3320) 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
3532	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	2024-12-07_b385a9e7c98b2b006db23806a86b96dc_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	2024-12-07_b385a9e7c98b2b006db23806a86b96dc_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-07_b385a9e7c98b2b006db23806a86b96dc_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\UNCAsIntranet = "1"	2024-12-07_b385a9e7c98b2b006db23806a86b96dc_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-12-07_b385a9e7c98b2b006db23806a86b96dc_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-07_b385a9e7c98b2b006db23806a86b96dc_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-12-07_b385a9e7c98b2b006db23806a86b96dc_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-12-07_b385a9e7c98b2b006db23806a86b96dc_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-07_b385a9e7c98b2b006db23806a86b96dc_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-07_b385a9e7c98b2b006db23806a86b96dc_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4444
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3532

C:\Users\Admin\AppData\Local\Temp\2024-12-07_b385a9e7c98b2b006db23806a86b96dc_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-07_b385a9e7c98b2b006db23806a86b96dc_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3576

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
d04f24a23ce11ac890be0e7fc19067ad

SHA1
015fff026649fb8791581488237b9dcaa7e60189

SHA256
fd48efe93d63c8c81147c4e8436500e4b6a1a75b84f62c972e358a2150869160

SHA512
9347a163e300552ac18e1161b32c2502a5c7d70df425ba3d47a26d51403ad8b43751bb376a70df3cf8fe2223430fec91bb4dbeda40a9066715d0b278c7434837

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