wannacry | 2bceff53768b359ceb45e8d2b90ec84432f80ef45ee2cff7bd5056ee82ea1b30

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
11-08-2024 11:43

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General

Target

2024-08-11_94206135fa1aa6622e5cb90a3ee9803f_wannacry.exe
Size

5.0MB
MD5

94206135fa1aa6622e5cb90a3ee9803f
SHA1

982c76d8acbe2926db76509dc6f7d15d665d6f6f
SHA256

2bceff53768b359ceb45e8d2b90ec84432f80ef45ee2cff7bd5056ee82ea1b30
SHA512

f39ea3688604a4f9bbe656e577d1c1d8a5b3089951e5d3ab86524fa42d062fd4bf65f4d7ae4bde814252416d08222ba471f7b1c543f1ddb80e2beb9ed215aa50
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 (3391) 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

Processes:

tasksche.exe

pid process

4204 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

Processes:

2024-08-11_94206135fa1aa6622e5cb90a3ee9803f_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-08-11_94206135fa1aa6622e5cb90a3ee9803f_wannacry.exe

pid	process
4204	tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-08-11_94206135fa1aa6622e5cb90a3ee9803f_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

Processes:

2024-08-11_94206135fa1aa6622e5cb90a3ee9803f_wannacry.exe2024-08-11_94206135fa1aa6622e5cb90a3ee9803f_wannacry.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-08-11_94206135fa1aa6622e5cb90a3ee9803f_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-08-11_94206135fa1aa6622e5cb90a3ee9803f_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-08-11_94206135fa1aa6622e5cb90a3ee9803f_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-11_94206135fa1aa6622e5cb90a3ee9803f_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4008

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:4204

C:\Users\Admin\AppData\Local\Temp\2024-08-11_94206135fa1aa6622e5cb90a3ee9803f_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-08-11_94206135fa1aa6622e5cb90a3ee9803f_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
PID:836

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
1c615bf80a47848f17f935e689ae7ee2

SHA1
3a870692662ccb90c0dcb76b6c3365995bde64f8

SHA256
5f2b33deee53390913fd5fb3979685a3db2a7a1ee872d47efc4f8f7d9438341f

SHA512
d119e4090c3508ad0704978d4e0623e79b9b6052e995c725581038e2ac3d71807f3b77f288c004b3fc6ce0a39960a79b76f9ec8e00308a573bb9b6119092fba3

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