wannacry | 358eb847c7630ef7c8477020f02838389c0915d611e4cfd212148b51634020e5

Analysis

max time kernel
150s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20250502-en
resource tags

arch:x64arch:x86image:win11-20250502-enlocale:en-usos:windows11-21h2-x64system
submitted
22/05/2025, 14:19

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General

Target
2025-05-22_6ce73c4317c28e896c8735c1cc120186_elex_wannacry.exe
Size 5.0MB
Sample250522-rm9pcavq17
SHA256 358eb847c7630ef7c8477020f02838389c0915d611e4cfd212148b51634020e5
MD5 6ce73c4317c28e896c8735c1cc120186
SHA1 5925b1bb09e623e5d99cf04fbfda6802b2553b28
SHA512 2b4b18dc4be0bc36d6faa93b14e36531a39c9db513c95b25330dd86bc67a9ac471964e46b4b821b360b052d779df943c17a6e1c0288c2d8fdd6cc857e33a2a5f
SSDEEP 98304:XDqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2a:XDqPe1Cxcxk3ZAEUadzR8yc4a
MD5 SHA1 SHA512 SSDEEP

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 (3305) 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
3300	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	2025-05-22_6ce73c4317c28e896c8735c1cc120186_elex_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	2025-05-22_6ce73c4317c28e896c8735c1cc120186_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-05-22_6ce73c4317c28e896c8735c1cc120186_elex_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-05-22_6ce73c4317c28e896c8735c1cc120186_elex_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-05-22_6ce73c4317c28e896c8735c1cc120186_elex_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-05-22_6ce73c4317c28e896c8735c1cc120186_elex_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-05-22_6ce73c4317c28e896c8735c1cc120186_elex_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-05-22_6ce73c4317c28e896c8735c1cc120186_elex_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-05-22_6ce73c4317c28e896c8735c1cc120186_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-05-22_6ce73c4317c28e896c8735c1cc120186_elex_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4120
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3300

C:\Users\Admin\AppData\Local\Temp\2025-05-22_6ce73c4317c28e896c8735c1cc120186_elex_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-05-22_6ce73c4317c28e896c8735c1cc120186_elex_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4280

Network

MITRE ATT&CK Enterprise v16

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

tasksche.exe

Path C:\Windows\tasksche.exe
Size 3.4MB
SHA256 6872ed76d448c19dac9312f1b3cf05b2da163eac1a7d7543e885948db3d64d46
MD5 686175d7e7e9790ddcaf567040cd572c
SHA1 aeea289b353370c29434acdb74a66cee066ae369
SHA512 023cc8dc92cb66fa351bfef826fc2ccae7e4653fdea6fbb8e4576eab377e23f6a2ccc6d9e3680720af21ade1b7a93e0d1bf15667506420c8d564b5994daf8057
SSDEEP 98304:QqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2:QqPe1Cxcxk3ZAEUadzR8yc4
MD5 SHA1 SHA512 SSDEEP

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