wannacry | 9e423dffb3f5b86c3d280f42ed34e18597fbb723416001eb8d00da8bb1eb9023

Analysis

max time kernel
150s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25-09-2024 09:25

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General

Target

2024-09-25_2e7484614664498519c4c75c82342328_wannacry.exe
Size

5.0MB
MD5

2e7484614664498519c4c75c82342328
SHA1

610416078590519a16d44683c595fdbf173dc27e
SHA256

9e423dffb3f5b86c3d280f42ed34e18597fbb723416001eb8d00da8bb1eb9023
SHA512

27a0ce7a4a9747f6cda08aa1cce04db56a259b9be58413df4bd6d8c5da530f2a859ce63ea06663d129a4cf8687f673e20088e99d816b827dd1c4748fb9a26ab1
SSDEEP

49152:XnAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAAR0H:XDqPoBhz1aRxcSUDk36SAEa

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3304) 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
680	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	2024-09-25_2e7484614664498519c4c75c82342328_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	2024-09-25_2e7484614664498519c4c75c82342328_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-25_2e7484614664498519c4c75c82342328_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\UNCAsIntranet = "1"	2024-09-25_2e7484614664498519c4c75c82342328_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-09-25_2e7484614664498519c4c75c82342328_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-25_2e7484614664498519c4c75c82342328_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-09-25_2e7484614664498519c4c75c82342328_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-09-25_2e7484614664498519c4c75c82342328_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-25_2e7484614664498519c4c75c82342328_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-25_2e7484614664498519c4c75c82342328_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4032
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:680

C:\Users\Admin\AppData\Local\Temp\2024-09-25_2e7484614664498519c4c75c82342328_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-25_2e7484614664498519c4c75c82342328_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4028

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
edea1e38ca6b6503aeb55b27e8449dd4

SHA1
53204bebe7cf4b8925ba8b372c24fae54ec146dd

SHA256
5b64ffa10c32ffde49ce5f5b314a606ef19a1de3472accc9fd719323283796b7

SHA512
96955e5e178fc978a98c1c16d1e37c7d469f0d322ffe16af8437e5bb3261c65b8d1a06a7807a41fb624fd599220e97f24d110ea7563b775f3723f0567031d141

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