wannacry | 34bb0c2793932aca9a909c14c45332840164e68ca4ff152a0d9559b5a2fbe9e7

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
18-11-2024 05:42

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General

Target

2024-11-18_9914c4ab6fac53ac9ee9aeb6bd13654a_wannacry.exe
Size

3.6MB
MD5

9914c4ab6fac53ac9ee9aeb6bd13654a
SHA1

01ca90b66328fbbe8092e9fc73cc316de4e7429b
SHA256

34bb0c2793932aca9a909c14c45332840164e68ca4ff152a0d9559b5a2fbe9e7
SHA512

acf5361a69f81658abe8296e85ea59d66d8592889052114a5aec1acd2945425fef0e2fef1b905f374a4e8389b0154663299394d359dad0b41cc64a1d96affa03
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAAx:yDqPoBhz1aRxcSUDk36SAS

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 (3280) 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
1264	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	2024-11-18_9914c4ab6fac53ac9ee9aeb6bd13654a_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	2024-11-18_9914c4ab6fac53ac9ee9aeb6bd13654a_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-18_9914c4ab6fac53ac9ee9aeb6bd13654a_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"	2024-11-18_9914c4ab6fac53ac9ee9aeb6bd13654a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-11-18_9914c4ab6fac53ac9ee9aeb6bd13654a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-11-18_9914c4ab6fac53ac9ee9aeb6bd13654a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-11-18_9914c4ab6fac53ac9ee9aeb6bd13654a_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-18_9914c4ab6fac53ac9ee9aeb6bd13654a_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-18_9914c4ab6fac53ac9ee9aeb6bd13654a_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-18_9914c4ab6fac53ac9ee9aeb6bd13654a_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4416
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1264

C:\Users\Admin\AppData\Local\Temp\2024-11-18_9914c4ab6fac53ac9ee9aeb6bd13654a_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-18_9914c4ab6fac53ac9ee9aeb6bd13654a_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3724

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
b7a934dc7b6f7462973220f013fa12bf

SHA1
ff462256eb28b9c9d6b2763b24c52f814896c627

SHA256
0620384d53892018781a7cda74c5e75ef2d63405e09630c17827196690a5774c

SHA512
7384bd7fbe9db4222474d2fb56f51f8acf326830fa26cdc430d6a9b2bf5b138a2aa9a9f8491c34aba0ac1ecabb1ebfbb7f0ca826acc3babdad6005d584f67def

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