wannacry | baf5fb3d1662ffea1ece2d6537a9b4894dc2e8c5bfd436d1e155f1fa76acf42b

Analysis

max time kernel
150s
max time network
151s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
08-01-2025 09:42

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General

Target

2025-01-08_1eee8f39262929599ad7b7d2c34e9809_wannacry.exe
Size

3.6MB
MD5

1eee8f39262929599ad7b7d2c34e9809
SHA1

12fbad94287efb6b48410eea6fb22bb93cc094a8
SHA256

baf5fb3d1662ffea1ece2d6537a9b4894dc2e8c5bfd436d1e155f1fa76acf42b
SHA512

9bc124d5313cf0ca10e387b7a9f4f35ac673584e3e0b36512e40807076b0c28bd6b785af1d06c711445fd78167cd6e00c11f0b3d46ed735608838e404e2fdddd
SSDEEP

98304:Z8qPoBhz1aJcSUDk36SAEdhvxWa9P593R8yAVp2HI:Z8qPe1Kcxk3ZAEUadzR8yc4HI

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 (3125) 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
2496	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	2025-01-08_1eee8f39262929599ad7b7d2c34e9809_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-01-08_1eee8f39262929599ad7b7d2c34e9809_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	2025-01-08_1eee8f39262929599ad7b7d2c34e9809_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-08_1eee8f39262929599ad7b7d2c34e9809_wannacry.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2025-01-08_1eee8f39262929599ad7b7d2c34e9809_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-08_1eee8f39262929599ad7b7d2c34e9809_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-08_1eee8f39262929599ad7b7d2c34e9809_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2588
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2496

C:\Users\Admin\AppData\Local\Temp\2025-01-08_1eee8f39262929599ad7b7d2c34e9809_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-08_1eee8f39262929599ad7b7d2c34e9809_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1444

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
bc89c9da3276e85fdef9b43324f36ea1

SHA1
919b3faefbde6130a429e25b02aea26c4d3f018e

SHA256
f03ece6bbc6f54050fdf332f31f1c505b29930c6f6222e990177552026c401a8

SHA512
eae7b6a19aa98296b25d2420a75fe35b2fd19798a814611b0b42349a94bb6cdc62417ab9bd19979f50f91fdc3a6196e25b0a8420633a779d01737f734d926b34

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