wannacry | 346a8561456bb46853a8d1c5aa40acbc7f12e7b5209df6cb5aebd0b6000c9b96

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
23/02/2025, 11:35

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General

Target

2025-02-23_a70c848fd8d98c4ad9a362d2c2e098d8_wannacry.exe
Size

5.0MB
MD5

a70c848fd8d98c4ad9a362d2c2e098d8
SHA1

fca52d365619adccedc3862e7f715da890c792a0
SHA256

346a8561456bb46853a8d1c5aa40acbc7f12e7b5209df6cb5aebd0b6000c9b96
SHA512

a9bd7c4575c703ef47f13f898bae25b168d48b99e4b4f1335469141f78b61ee703db177e01fcccf975ac827341ea6397f848625c162d0e8de6eed3ef7acbf36f
SSDEEP

49152:XnAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAAu:XDqPoBhz1aRxcSUDk36SAd

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Wannacry family
wannacry
Contacts a large (3223) 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
2668	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	2025-02-23_a70c848fd8d98c4ad9a362d2c2e098d8_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	2025-02-23_a70c848fd8d98c4ad9a362d2c2e098d8_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-23_a70c848fd8d98c4ad9a362d2c2e098d8_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-02-23_a70c848fd8d98c4ad9a362d2c2e098d8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-02-23_a70c848fd8d98c4ad9a362d2c2e098d8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-02-23_a70c848fd8d98c4ad9a362d2c2e098d8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-02-23_a70c848fd8d98c4ad9a362d2c2e098d8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-02-23_a70c848fd8d98c4ad9a362d2c2e098d8_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-02-23_a70c848fd8d98c4ad9a362d2c2e098d8_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-23_a70c848fd8d98c4ad9a362d2c2e098d8_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3568
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2668

C:\Users\Admin\AppData\Local\Temp\2025-02-23_a70c848fd8d98c4ad9a362d2c2e098d8_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-02-23_a70c848fd8d98c4ad9a362d2c2e098d8_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2412

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
76d06d2096fe49ac97c2bf21709bbba4

SHA1
a7df08006ceafb441271c615c2e1d67218ba81a1

SHA256
945f2bb56bfef539d0404194bb7a7ac1f79b2307c33c8b196078c7b16bba098c

SHA512
b29a68783506989f55eaf6bf160ab285f4579e62e8ca01ad9ef3f4cfd460832a703641a52332a4880b3f8e5d5a63cde897776dd2756b9b9e930280e8dcfd0031

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