wannacry | 33646fd810fba2366da2f3b71d01df06861f4e2e9ae7f1afed7311a734746d32

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
04-02-2025 01:35

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General

Target

2025-02-04_9cc1c949fb6e2727885e007588dfa3fc_wannacry.exe
Size

3.6MB
MD5

9cc1c949fb6e2727885e007588dfa3fc
SHA1

d8a2ab34f95b43bce91fc4dbb7aad909e9f48573
SHA256

33646fd810fba2366da2f3b71d01df06861f4e2e9ae7f1afed7311a734746d32
SHA512

13ad6748319e82d9b58a4fc954dcb02f2d20d35665d0976d8a50159604155cbd54367b3d11e6a6908073cdf9b3f8f894da35147e98727f5d438933e1a608bcb2
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAA:yDqPoBhz1aRxcSUDk36SA

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 (3345) 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
4268	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	2025-02-04_9cc1c949fb6e2727885e007588dfa3fc_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	2025-02-04_9cc1c949fb6e2727885e007588dfa3fc_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-04_9cc1c949fb6e2727885e007588dfa3fc_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-02-04_9cc1c949fb6e2727885e007588dfa3fc_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-02-04_9cc1c949fb6e2727885e007588dfa3fc_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-02-04_9cc1c949fb6e2727885e007588dfa3fc_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-02-04_9cc1c949fb6e2727885e007588dfa3fc_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-02-04_9cc1c949fb6e2727885e007588dfa3fc_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-02-04_9cc1c949fb6e2727885e007588dfa3fc_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-04_9cc1c949fb6e2727885e007588dfa3fc_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1068
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4268

C:\Users\Admin\AppData\Local\Temp\2025-02-04_9cc1c949fb6e2727885e007588dfa3fc_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-02-04_9cc1c949fb6e2727885e007588dfa3fc_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4316

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
51a10a2d567e917d981dbf8e53800792

SHA1
79f3f0abe21f9e32f9e8e59bb929f09d8098de0c

SHA256
e04a218e97e4d598eea4839c9119f1927ef3cddb1ca22a42d6c67c21d1babd38

SHA512
75673628f16e6bab108aa974784718fcc000ce3a885680dcbd28f8bce584000449a05b84fc068f05ce238d806bc8d758b44c459bf809764c0e0e7a6def867eee

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