wannacry | 1c184a871993661cf3720a9bab80243230f156bb60ab12b5498fbd112895f9fe

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
21/02/2025, 20:39

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General

Target

2025-02-21_703449a9266cfd797f09765de5e7128a_wannacry.exe
Size

5.0MB
MD5

703449a9266cfd797f09765de5e7128a
SHA1

445f294e43c83e6c0a72eb359baef7ffc598278d
SHA256

1c184a871993661cf3720a9bab80243230f156bb60ab12b5498fbd112895f9fe
SHA512

222764a60dffe9893aa2c4a876836fd90ab193a6932f4d80f6aa4cb8fa473c9b4f6499a4c5723a13423dfaee8ced2a8394213fa41cd36c548df55c0656bb4138
SSDEEP

24576:XbLgddQhfdmMSirYbcMNgef0QeQjG/D8kIqRYoAdNLK:XnAQqMSPbcBVQej/1IN+

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 (3304) 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
644	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	2025-02-21_703449a9266cfd797f09765de5e7128a_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	2025-02-21_703449a9266cfd797f09765de5e7128a_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-21_703449a9266cfd797f09765de5e7128a_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-02-21_703449a9266cfd797f09765de5e7128a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-02-21_703449a9266cfd797f09765de5e7128a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-02-21_703449a9266cfd797f09765de5e7128a_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-02-21_703449a9266cfd797f09765de5e7128a_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-02-21_703449a9266cfd797f09765de5e7128a_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-02-21_703449a9266cfd797f09765de5e7128a_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-21_703449a9266cfd797f09765de5e7128a_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1464
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:644

C:\Users\Admin\AppData\Local\Temp\2025-02-21_703449a9266cfd797f09765de5e7128a_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-02-21_703449a9266cfd797f09765de5e7128a_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2704

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
6780d4dc9551b47c95541db2aa205c11

SHA1
c0757a879b66f4c516f44d9008f4f8baac061240

SHA256
fa55eb8a12896c5ee7e9aeffcbda1585d12e30e92db152343339a6c14258d50c

SHA512
98f454e5982ae785c1cb9946b6681c0c97e78663cfc52ae8e7f41fb88794aa9f20feb89492c633c97c21e43db82464ef929c0d8018f86303b1a60a85f35a9932

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