wannacry | 6ecbc92219665e16d506944733c1c27b92d9b4e19f045f24e47d136293d69e3e

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
20-09-2024 04:24

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General

Target

2024-09-20_10cd73411d41d744eb15afe31f015572_wannacry.exe
Size

3.6MB
MD5

10cd73411d41d744eb15afe31f015572
SHA1

ab4cf498de7dd88d91f42a9874fb603b68c55db8
SHA256

6ecbc92219665e16d506944733c1c27b92d9b4e19f045f24e47d136293d69e3e
SHA512

69c3dfa73a25f13b6a9e4785f2dfa555415c88b02a8f0bac0041e59bfb8db18889e678347dcc0eaf7f4d9aa3959258261b8ff8b297653034311467e81fea10eb
SSDEEP

49152:2nAQqMSPbcBVQe2PNRx+TSqTdX1HkQo6SAARdhnvi9:yDqPoBh2VRxcSUDk36SAEdhvi

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3383) 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
3716	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	2024-09-20_10cd73411d41d744eb15afe31f015572_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	2024-09-20_10cd73411d41d744eb15afe31f015572_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-20_10cd73411d41d744eb15afe31f015572_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-20_10cd73411d41d744eb15afe31f015572_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-09-20_10cd73411d41d744eb15afe31f015572_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-09-20_10cd73411d41d744eb15afe31f015572_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-09-20_10cd73411d41d744eb15afe31f015572_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-09-20_10cd73411d41d744eb15afe31f015572_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-20_10cd73411d41d744eb15afe31f015572_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-20_10cd73411d41d744eb15afe31f015572_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3212
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3716

C:\Users\Admin\AppData\Local\Temp\2024-09-20_10cd73411d41d744eb15afe31f015572_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-20_10cd73411d41d744eb15afe31f015572_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3028

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
2a1925594023312c3e35cf2db125bfe4

SHA1
0bca82a5d9ca364f3f9cc47c6e42c960c17d6e77

SHA256
e63027cc2916316c6c9857fd5b9c476ac949203074c7658a3550db453b668f3f

SHA512
7191b05889539e5618c49cfb0a5deda946d2e72d626b9eaa6ebe5a2a6c7aad073fd2081199497b3860f605189b9024397c730d40df937701ee32a89b9ba37b6a

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