wannacry | e8db192b5e9138f3c8210b444b2d4462fd34dec3ae1eb06622658ad3de6aac57

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03-10-2024 09:29

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General

Target

2024-10-03_48fabd6e18fef46b22855f0180dfc2ab_wannacry.exe
Size

5.0MB
MD5

48fabd6e18fef46b22855f0180dfc2ab
SHA1

f08c6b8fb346482f5591084aed5e9a210fac30f7
SHA256

e8db192b5e9138f3c8210b444b2d4462fd34dec3ae1eb06622658ad3de6aac57
SHA512

98d9e6ccbf43f87444f2edfff2274d9d591c6e4b746c9d0e8e07064a2ee368a45ed83bad28f77006b3e024bc342629d965ee2a0daeff6f4143d46a1046ac4876
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnv:yDqPoBhz1aRxcSUDk36SAEdhv

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm 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
4796	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	2024-10-03_48fabd6e18fef46b22855f0180dfc2ab_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	2024-10-03_48fabd6e18fef46b22855f0180dfc2ab_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-03_48fabd6e18fef46b22855f0180dfc2ab_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-03_48fabd6e18fef46b22855f0180dfc2ab_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-03_48fabd6e18fef46b22855f0180dfc2ab_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-03_48fabd6e18fef46b22855f0180dfc2ab_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-03_48fabd6e18fef46b22855f0180dfc2ab_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-03_48fabd6e18fef46b22855f0180dfc2ab_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-03_48fabd6e18fef46b22855f0180dfc2ab_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-03_48fabd6e18fef46b22855f0180dfc2ab_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:916
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4796

C:\Users\Admin\AppData\Local\Temp\2024-10-03_48fabd6e18fef46b22855f0180dfc2ab_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-03_48fabd6e18fef46b22855f0180dfc2ab_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3464

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
42fcd191aa67d8e4dfbb8a8ee42e175c

SHA1
5d74e03cf32e7ec7e7dedfb8d14c33d321596dba

SHA256
e9b88372ffada728a38276d07992171a769a11eec4dbe719bb722f3a81bfaf4b

SHA512
3e963e931aca13b455b069798cdbee5e184f30faa2be914bc9815cfd4617007311af85b14461954d777942be590efd440df367ef4fa26f2a8ad123ee7504d55a

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