wannacry | d63629d736cb08a567a0919c2bf0e0f2472148daf670edc4fa5e81dfe84a7a37

Analysis

max time kernel
150s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
07-07-2024 09:25

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General

Target

2024-07-07_28438e01eac93e03c08c0968e3601f5a_wannacry.exe
Size

3.6MB
MD5

28438e01eac93e03c08c0968e3601f5a
SHA1

315720e5b7c306d77e296f82815d9d525afb3cad
SHA256

d63629d736cb08a567a0919c2bf0e0f2472148daf670edc4fa5e81dfe84a7a37
SHA512

fd7b09e38bd101278ae1cc38165e6b287f75d2d3214dea5699df82aea9fbe517161e2789e004a7f8451a134608b953fa2ad8dbafd5fa64f5d7ffe412bd1425b3
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAAAEau3R8yAH1plAHI:yDqPoBhz1aRxcSUDk36SAG3R8yAVp2HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3171) 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
3400	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	2024-07-07_28438e01eac93e03c08c0968e3601f5a_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-07-07_28438e01eac93e03c08c0968e3601f5a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-07-07_28438e01eac93e03c08c0968e3601f5a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-07-07_28438e01eac93e03c08c0968e3601f5a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-07-07_28438e01eac93e03c08c0968e3601f5a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-07-07_28438e01eac93e03c08c0968e3601f5a_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-07-07_28438e01eac93e03c08c0968e3601f5a_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-07-07_28438e01eac93e03c08c0968e3601f5a_wannacry.exe"
1⤵
- Drops file in Windows directory
PID:2596
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3400

C:\Users\Admin\AppData\Local\Temp\2024-07-07_28438e01eac93e03c08c0968e3601f5a_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-07-07_28438e01eac93e03c08c0968e3601f5a_wannacry.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:2612

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

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
e56e407c6ae82e69619d190d21fd06ec

SHA1
a0329c0d7c173d712d5695b42b88371b63f09820

SHA256
7d6d1b598c74ddf9d04efb3efdf49b1d030a6e54057bb20dae1d331de6a7b05e

SHA512
167e5962ac0c1db34f6a6c4bcc1b033f3e153e069da3d4c079ef476979c99388bb8e136880b68f12ac7fb6f3d7770f9c1caf903e859db476a0f95246a4a25916

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