wannacry | df14d8b8024bf77a66b1baccc4c7191ab7e1db611ff44f201c556a70de2d2a18

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
27/09/2024, 17:17

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General

Target

2024-09-27_8bde1d9a06e5d90b2392fe6f8702e1df_wannacry.exe
Size

3.6MB
MD5

8bde1d9a06e5d90b2392fe6f8702e1df
SHA1

2ab7faadae2a1b259774cda0b2dd49a078584579
SHA256

df14d8b8024bf77a66b1baccc4c7191ab7e1db611ff44f201c556a70de2d2a18
SHA512

7920aef89d3adaf25cf33ca3753f970c6fb2d84d9bb9a6dcd024903e3b8e35e91fd865d210f710a402387e4884603b53eb5613106bb453077815f1f44aaf7a81
SSDEEP

49152:VnjQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvxJM0H9S:Z8qPoBhz1aRxcSUDk36SAEdhvxWa9S

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3334) 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
2276	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	2024-09-27_8bde1d9a06e5d90b2392fe6f8702e1df_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-09-27_8bde1d9a06e5d90b2392fe6f8702e1df_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	2024-09-27_8bde1d9a06e5d90b2392fe6f8702e1df_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-27_8bde1d9a06e5d90b2392fe6f8702e1df_wannacry.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-09-27_8bde1d9a06e5d90b2392fe6f8702e1df_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-27_8bde1d9a06e5d90b2392fe6f8702e1df_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-27_8bde1d9a06e5d90b2392fe6f8702e1df_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2944
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2276

C:\Users\Admin\AppData\Local\Temp\2024-09-27_8bde1d9a06e5d90b2392fe6f8702e1df_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-27_8bde1d9a06e5d90b2392fe6f8702e1df_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1652

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

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
b15b79a1a3a0503201fc4088bf4f6a8b

SHA1
d6894ceeb25f8fbfe754465516a6e095bbaea209

SHA256
53add2b957402802d5adeebccf64f70be7ab6ed3fb0dfebaee99f2cdd00bbab2

SHA512
11bdb0059d6b4c1fa9cceaa1d66b6b2cb576b37e5a77c3bc90748d363c8acc14a8ebfc9e90f686478369c34a597279484ee5ef4f796ce62476f189d4ea99cb9d

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