wannacry | 7c5378a70c7dca39cb4e9dd1b59ea0ae4680bf6ce315486ec460c34555552a38

General

Target

2025-02-03_9649001eb5a6797a1e5dfd486d23159e_wannacry.exe
Size

3.6MB
MD5

9649001eb5a6797a1e5dfd486d23159e
SHA1

dc996f7b709299965f18da28a336584138d57bde
SHA256

7c5378a70c7dca39cb4e9dd1b59ea0ae4680bf6ce315486ec460c34555552a38
SHA512

639dadb3e2d10511f76afb19ac33684e177dfe63fa6921406bda3cab6d689e0c9f4b2367613187eb5407bdcd3c9f8203b69bd1bec4d07bfccfd3bfd94ad398c3
SSDEEP

49152:XnAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAA:XDqPoBhz1aRxcSUDk36SA

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 (3299) 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
2268	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 System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2025-02-03_9649001eb5a6797a1e5dfd486d23159e_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-02-03_9649001eb5a6797a1e5dfd486d23159e_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	2025-02-03_9649001eb5a6797a1e5dfd486d23159e_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-03_9649001eb5a6797a1e5dfd486d23159e_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2025-02-03_9649001eb5a6797a1e5dfd486d23159e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2025-02-03_9649001eb5a6797a1e5dfd486d23159e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2025-02-03_9649001eb5a6797a1e5dfd486d23159e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2025-02-03_9649001eb5a6797a1e5dfd486d23159e_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{55A16186-0D08-4D6C-9D1F-AF23C6A18A9C}\WpadNetworkName = "Network 3"	2025-02-03_9649001eb5a6797a1e5dfd486d23159e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2025-02-03_9649001eb5a6797a1e5dfd486d23159e_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00f1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-02-03_9649001eb5a6797a1e5dfd486d23159e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{55A16186-0D08-4D6C-9D1F-AF23C6A18A9C}\WpadDecisionReason = "1"	2025-02-03_9649001eb5a6797a1e5dfd486d23159e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-57-b4-c4-09-1c	2025-02-03_9649001eb5a6797a1e5dfd486d23159e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-57-b4-c4-09-1c\WpadDecisionReason = "1"	2025-02-03_9649001eb5a6797a1e5dfd486d23159e_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-02-03_9649001eb5a6797a1e5dfd486d23159e_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2025-02-03_9649001eb5a6797a1e5dfd486d23159e_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2025-02-03_9649001eb5a6797a1e5dfd486d23159e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{55A16186-0D08-4D6C-9D1F-AF23C6A18A9C}	2025-02-03_9649001eb5a6797a1e5dfd486d23159e_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{55A16186-0D08-4D6C-9D1F-AF23C6A18A9C}\WpadDecisionTime = e0181fe4e775db01	2025-02-03_9649001eb5a6797a1e5dfd486d23159e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{55A16186-0D08-4D6C-9D1F-AF23C6A18A9C}\WpadDecision = "0"	2025-02-03_9649001eb5a6797a1e5dfd486d23159e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{55A16186-0D08-4D6C-9D1F-AF23C6A18A9C}\7e-57-b4-c4-09-1c	2025-02-03_9649001eb5a6797a1e5dfd486d23159e_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-57-b4-c4-09-1c\WpadDecisionTime = e0181fe4e775db01	2025-02-03_9649001eb5a6797a1e5dfd486d23159e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2025-02-03_9649001eb5a6797a1e5dfd486d23159e_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-02-03_9649001eb5a6797a1e5dfd486d23159e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-02-03_9649001eb5a6797a1e5dfd486d23159e_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2025-02-03_9649001eb5a6797a1e5dfd486d23159e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2025-02-03_9649001eb5a6797a1e5dfd486d23159e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-57-b4-c4-09-1c\WpadDecision = "0"	2025-02-03_9649001eb5a6797a1e5dfd486d23159e_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-02-03_9649001eb5a6797a1e5dfd486d23159e_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-03_9649001eb5a6797a1e5dfd486d23159e_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2236
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2268

C:\Users\Admin\AppData\Local\Temp\2025-02-03_9649001eb5a6797a1e5dfd486d23159e_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-02-03_9649001eb5a6797a1e5dfd486d23159e_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2288

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

2

T1046

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
e8dc4e46394bb2078905e8696f45021d

SHA1
d23a614c4ba625b967375b6d2197b060a9cbbe7d

SHA256
12945cf6053660fa6adab2a47f2b1043fec7acab2dd236e97d3d259b798523d3

SHA512
300c8b7edc88ef2979eb6c78e695541b8a5dfe04e6ff6b7c1b21a589d1ba31f61678c67bd8202f57f889b1b490fc974347882e00f3f1f6bfa9cd5710c70b041c

Download Submit

Analysis

Sharing