wannacry | c478bfc955cb24c2be11c1bead605a67007b1ed8098b457ab96ed594b1406eb0

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
11-10-2024 00:24

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General

Target

2024-10-10_dcea2274b80b5099957c6c54c199a578_wannacry.exe
Size

3.6MB
MD5

dcea2274b80b5099957c6c54c199a578
SHA1

06b41de1cba81dad00346f1cef67655c8d379d16
SHA256

c478bfc955cb24c2be11c1bead605a67007b1ed8098b457ab96ed594b1406eb0
SHA512

fd6788b6f995c42b1b0027b57e220735ec01f4308127be4f61f5eb7f72f1fc80f5fe0473cc1beab53c0d8325d149a4c9b8aad97fa4f7b8c398c4e986ce72686c
SSDEEP

24576:XbLgddQhfdmMSirYbc2vY/7Fh25/AcVA:XnAQqMSPbc2vY2ZAOA

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3312) 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
1840	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	2024-10-10_dcea2274b80b5099957c6c54c199a578_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	2024-10-10_dcea2274b80b5099957c6c54c199a578_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-10_dcea2274b80b5099957c6c54c199a578_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-10_dcea2274b80b5099957c6c54c199a578_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-10_dcea2274b80b5099957c6c54c199a578_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-10_dcea2274b80b5099957c6c54c199a578_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-10_dcea2274b80b5099957c6c54c199a578_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-10_dcea2274b80b5099957c6c54c199a578_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-10_dcea2274b80b5099957c6c54c199a578_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-10_dcea2274b80b5099957c6c54c199a578_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4812
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1840

C:\Users\Admin\AppData\Local\Temp\2024-10-10_dcea2274b80b5099957c6c54c199a578_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-10_dcea2274b80b5099957c6c54c199a578_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2100

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

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
6a91854887dad2e9e413e899e82d2e96

SHA1
08ea25eb0b33dd3020711d1857d4bef46dfd22e4

SHA256
e7f84afd6923cfd2b6a84d9cab9227025b43d9428f79085f0d4bd9cccdc0191a

SHA512
da40e893fde8639b69205f4d3e1f352b866622fef14b20346a187ea85eb7de0d623fb8837414f4be56109189b7c2cd216384ec52678cb1e4316d14719d5012a4

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