wannacry | 5c7d6df9cb0ff4a2544c836c55058cf9254384316d0dc45f55b4f08ec3f1c8f2

Analysis

max time kernel
150s
max time network
150s
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 05:36

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General

Target

2024-10-12_ee6730703e2121e292ac985def28e3c7_wannacry.exe
Size

3.6MB
MD5

ee6730703e2121e292ac985def28e3c7
SHA1

1b3c3a180b798cd6e6e381c06319462008422281
SHA256

5c7d6df9cb0ff4a2544c836c55058cf9254384316d0dc45f55b4f08ec3f1c8f2
SHA512

308e584154029bfeabd873e9028a1524c4a31babe98e16999cb7215f511075213c82c338d2f625c13db2ded70329eadadd3d687f7c78345903c04099b4505f7e
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAA:yDqPoBhz1aRxcSUDk36SA

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3167) 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
3116	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_ee6730703e2121e292ac985def28e3c7_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_ee6730703e2121e292ac985def28e3c7_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_ee6730703e2121e292ac985def28e3c7_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\AutoDetect = "0"	2024-10-12_ee6730703e2121e292ac985def28e3c7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-12_ee6730703e2121e292ac985def28e3c7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-12_ee6730703e2121e292ac985def28e3c7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-12_ee6730703e2121e292ac985def28e3c7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-12_ee6730703e2121e292ac985def28e3c7_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_ee6730703e2121e292ac985def28e3c7_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_ee6730703e2121e292ac985def28e3c7_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4876
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3116

C:\Users\Admin\AppData\Local\Temp\2024-10-12_ee6730703e2121e292ac985def28e3c7_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_ee6730703e2121e292ac985def28e3c7_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4848

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
8df67925308c53e9b19220868e26af32

SHA1
f9eed7833a8e7aa0be320f2561b159271fe3a3aa

SHA256
647d0e52fe3f8e78b79a7fde81a4607a7c118ff79af3aaa11e75a501b472e8c5

SHA512
7ee6921f72c13ab7ce7ac3450cac01fbce369d9f29e35e8a16e6dc5520d603e61a5337afd5714db4ff23fc9ef326ffdce1dac2e4f70b4f79ed3a058c096ac6d8

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