wannacry | 58eb65e620194b60a4c91c81d6557cdf4d7c5477c85dd7cfd9e10092bd123ca0

Analysis

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

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
05-02-2025 14:06

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General

Target

2025-02-05_963e5414e0ecb5aa2ba75def02518033_wannacry.exe
Size

5.0MB
MD5

963e5414e0ecb5aa2ba75def02518033
SHA1

83a936d68aa4a68560dba2e84a4f26c17a76e512
SHA256

58eb65e620194b60a4c91c81d6557cdf4d7c5477c85dd7cfd9e10092bd123ca0
SHA512

9653d0fdca1b121dce9c7fe57f52026f7809c2293ec476f010bae9a19ba3879722e49387c8c154b94148dc3e958eb7d802b3022da932fad35bc5ae4f9a34844a
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAAEaEau3R8yAH1plA:yDqPoBhz1aRxcSUDk36SAX3R8yAVp2

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 (3307) 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
3832	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	2025-02-05_963e5414e0ecb5aa2ba75def02518033_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	2025-02-05_963e5414e0ecb5aa2ba75def02518033_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-05_963e5414e0ecb5aa2ba75def02518033_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-02-05_963e5414e0ecb5aa2ba75def02518033_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-02-05_963e5414e0ecb5aa2ba75def02518033_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-02-05_963e5414e0ecb5aa2ba75def02518033_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-02-05_963e5414e0ecb5aa2ba75def02518033_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-02-05_963e5414e0ecb5aa2ba75def02518033_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-02-05_963e5414e0ecb5aa2ba75def02518033_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-05_963e5414e0ecb5aa2ba75def02518033_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2096
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3832

C:\Users\Admin\AppData\Local\Temp\2025-02-05_963e5414e0ecb5aa2ba75def02518033_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-02-05_963e5414e0ecb5aa2ba75def02518033_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2232

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
1087b0a72797534b3e6939c5be88ae1d

SHA1
e8b124db90786718cf53d7e1ec79e8208eaed116

SHA256
2e27304344bb9cce42a24de3843132528d79384c927a1c823a95fffa5c90d68a

SHA512
2a6cdcc405c8638a56cb612c3e35ae0a0d7c6f8df5eb0511ee96d60b2d5e988b9808f080e158a9718b2adfc7d48506b93e617e43b1253a8bf319eccebda9c171

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