wannacry | 96648359b624d4a43688065e64f0116a7eaaae1371573382d4a91710129ad8c0

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
29/03/2025, 09:33

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General

Target

2025-03-29_07b0be638be7a9602ee803e971f4a6bf_wannacry.exe
Size

3.6MB
MD5

07b0be638be7a9602ee803e971f4a6bf
SHA1

8ee9cde622fce2dbe117a366214a05c6cc8d6571
SHA256

96648359b624d4a43688065e64f0116a7eaaae1371573382d4a91710129ad8c0
SHA512

b7f76585a868cb69769d524f8b6a7ffdcf54f24dbdb665b51918d30be55dfda4e4f8323340cbfde7a045219dd9b80b131477f3a1e2594b738d022efd8571dda4
SSDEEP

98304:XDqPoBhz1aRncSUDk36SAEdhvxWa9P593R8:XDqPe1Cncxk3ZAEUadzR8

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 (3323) 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
2644	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	2025-03-29_07b0be638be7a9602ee803e971f4a6bf_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	2025-03-29_07b0be638be7a9602ee803e971f4a6bf_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-03-29_07b0be638be7a9602ee803e971f4a6bf_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-03-29_07b0be638be7a9602ee803e971f4a6bf_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-03-29_07b0be638be7a9602ee803e971f4a6bf_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-03-29_07b0be638be7a9602ee803e971f4a6bf_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-03-29_07b0be638be7a9602ee803e971f4a6bf_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-03-29_07b0be638be7a9602ee803e971f4a6bf_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-03-29_07b0be638be7a9602ee803e971f4a6bf_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-03-29_07b0be638be7a9602ee803e971f4a6bf_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:372
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2644

C:\Users\Admin\AppData\Local\Temp\2025-03-29_07b0be638be7a9602ee803e971f4a6bf_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-03-29_07b0be638be7a9602ee803e971f4a6bf_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4088

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
a3acadf3d2cbbcb1f70d84e4afadd6b1

SHA1
deeb90020fa91d7a649569a864165520c6268a61

SHA256
cf0ea5631c3ae89cf072f28080605a57cb4cc0f64ac608738d7957e7d9d2f522

SHA512
b3a3a9b22398099e14226a2d72869a3d951ae6ff1c5204b834480e19873f3c60628328f0d838f8c4092dd3cf24c1f56277553ad21e418a7f72cafa8f5a748df1

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