wannacry | 68baedde98de0b2c5988b4afed250d8e946846e67093b3ecb42e2cfc722578e7

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-10-2024 04:59

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General

Target

2024-10-12_7ef672e3e1d9015a95831848fe26f068_wannacry.exe
Size

3.6MB
MD5

7ef672e3e1d9015a95831848fe26f068
SHA1

488aa9ed4472f657f0f49afadb668f65b294d3eb
SHA256

68baedde98de0b2c5988b4afed250d8e946846e67093b3ecb42e2cfc722578e7
SHA512

d78d71b8c3f0013aa872c567019e5b95f2ac3b7ed00ab4f9bc4d3d41b7633cb83531e33fde80f90427fec9af019e32b0b728daf652268eb06007fb118421e26e
SSDEEP

98304:XDqPoBhz1aRxcSUDk36SAEdhvxWa9U2HI:XDqPe1Cxcxk3ZAEUahHI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3147) 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
5100	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	2024-10-12_7ef672e3e1d9015a95831848fe26f068_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	2024-10-12_7ef672e3e1d9015a95831848fe26f068_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_7ef672e3e1d9015a95831848fe26f068_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-12_7ef672e3e1d9015a95831848fe26f068_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-12_7ef672e3e1d9015a95831848fe26f068_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-12_7ef672e3e1d9015a95831848fe26f068_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-12_7ef672e3e1d9015a95831848fe26f068_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-12_7ef672e3e1d9015a95831848fe26f068_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_7ef672e3e1d9015a95831848fe26f068_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_7ef672e3e1d9015a95831848fe26f068_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2500
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:5100

C:\Users\Admin\AppData\Local\Temp\2024-10-12_7ef672e3e1d9015a95831848fe26f068_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_7ef672e3e1d9015a95831848fe26f068_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1176

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
153f71ef0dd5b40970706d650011a395

SHA1
1d7679e4ef4ac9176f79b792ffeca6e21b94695a

SHA256
cf9556cd6050cf9b45bb6041ecad928daf41e28abf8d6c9b7aca7ef0e98c9ac9

SHA512
1fe0e7d7a53556dfcb07ee8bab0256963f37b89592f8993647f23b94ded33882a809b5300ae36b1788bf56211e2c0f9cdb93912efb2876f06cc1903e200cb482

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