wannacry | 51252f2fe823a3b3edd9c1db720eb3a766b9bf682b54d70b6b5bd454439ef82a

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
22-06-2024 09:26

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General

Target

2024-06-22_31b1914e665c2729ca4e3d0bde5507f2_wannacry.exe
Size

3.6MB
MD5

31b1914e665c2729ca4e3d0bde5507f2
SHA1

4e824039d512c5df01940352c49539bf9a6990b0
SHA256

51252f2fe823a3b3edd9c1db720eb3a766b9bf682b54d70b6b5bd454439ef82a
SHA512

462722f5979ff06cac40d2d782b024af847818e4a1fe9de8794a938d2eea3faf46690da94c60695b80d1bdf4d488a6e61db1bb35d66fcccc4452e67d26482078
SSDEEP

49152:2nAQD0y4YnEEeZezw2uvgyd7+KnT2becwT6DGMIBHuLZyLUcRhRt/IbmwW6LC:yDD0yKi9ywKSbevWSdOLZSPebdWOC

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (2694) 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
3096	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	2024-06-22_31b1914e665c2729ca4e3d0bde5507f2_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-06-22_31b1914e665c2729ca4e3d0bde5507f2_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-06-22_31b1914e665c2729ca4e3d0bde5507f2_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-06-22_31b1914e665c2729ca4e3d0bde5507f2_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-06-22_31b1914e665c2729ca4e3d0bde5507f2_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-06-22_31b1914e665c2729ca4e3d0bde5507f2_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-06-22_31b1914e665c2729ca4e3d0bde5507f2_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-22_31b1914e665c2729ca4e3d0bde5507f2_wannacry.exe"
1⤵
- Drops file in Windows directory
PID:2296
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3096

C:\Users\Admin\AppData\Local\Temp\2024-06-22_31b1914e665c2729ca4e3d0bde5507f2_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-06-22_31b1914e665c2729ca4e3d0bde5507f2_wannacry.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:212

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
a92ccb425f5965bf91b95a3ce228e009

SHA1
e71b2fc9b80cd76a756f401bc74994821781997b

SHA256
883de5e37146c4146c7c81b9b10438e61b6cfd75d84fbc007e8f0d7b1d1ac77d

SHA512
d8e95d224b84142566313991c1d4cc2cfccd519984345f46470aaf99b0f6f9523a2f505bed7e55b50c29873b4b885c9bfd52ebfe6bbf0e95317cdeec5711e79a

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