wannacry | 686f7f5b0de287261bb48ceadb2d1902579d1dfda82604fdeecf0844cac9a27e

Analysis

max time kernel
150s
max time network
153s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
24/08/2024, 00:42

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General

Target

2024-08-24_eaa606cdfcc53a3caceffa495edaa5fc_wannacry.exe
Size

3.6MB
MD5

eaa606cdfcc53a3caceffa495edaa5fc
SHA1

777c85b6c9c313e31eed6dc0d617498716ae78f4
SHA256

686f7f5b0de287261bb48ceadb2d1902579d1dfda82604fdeecf0844cac9a27e
SHA512

7089d225f192d25407894953ed7771bf72330fce7fe7efd6fcc1fa27b568abc1cbdb23da5099994edb987810dce6a9a34ed53c842cc4443dd339a1f2aafbb604
SSDEEP

49152:VnjQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAAR:Z8qPoBhz1aRxcSUDk36SAE

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3199) 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
480	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	2024-08-24_eaa606cdfcc53a3caceffa495edaa5fc_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-08-24_eaa606cdfcc53a3caceffa495edaa5fc_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	2024-08-24_eaa606cdfcc53a3caceffa495edaa5fc_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-08-24_eaa606cdfcc53a3caceffa495edaa5fc_wannacry.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-08-24_eaa606cdfcc53a3caceffa495edaa5fc_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-08-24_eaa606cdfcc53a3caceffa495edaa5fc_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-24_eaa606cdfcc53a3caceffa495edaa5fc_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1016
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:480

C:\Users\Admin\AppData\Local\Temp\2024-08-24_eaa606cdfcc53a3caceffa495edaa5fc_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-08-24_eaa606cdfcc53a3caceffa495edaa5fc_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2968

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
53620ff3c2f9b603c055a30a22d9093d

SHA1
35e2ac029dfee421296bd5d4e1e2aadf1eddf6d6

SHA256
bfd0c5c1abd20821b1c09e33f07d0ce42f6b0db5055524137068073511d17d54

SHA512
482ae4660fd9b0269e0d4c7bc02f9784d7f13e85ae1d7a48e4a93606a7596b8687edff7176611c6920a8a4463fb89a11046e64b30cf0e26195901110e3537ded

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