wannacry | a5dd62b929a18eb9a6bd8f585786aceb83f8deb95093cc2e1868a01f45858974

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-10-2024 05:18

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General

Target

2024-10-12_d33868b2256c4ac4c1676a9861bbacc8_wannacry.exe
Size

3.6MB
MD5

d33868b2256c4ac4c1676a9861bbacc8
SHA1

4f6e0baa5799da3ad36f99ccf8be553f53aa6f0d
SHA256

a5dd62b929a18eb9a6bd8f585786aceb83f8deb95093cc2e1868a01f45858974
SHA512

930753109d66d00934d664995a392151bf81b57b00c277c194d9d640c8738a5ceab9ca84d690bffd073de61ebc1b96b3547596e6b87b5583f1f97c06a998af8d
SSDEEP

24576:VbLgdeQhfdmMSirYbcMNgef0QeQjG/D8kIqRYoAdNLK6+vbOSSqTPVX8desCGHn:VnjQqMSPbcBVQej/1INx+TSqTdX0QGH

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3211) 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
5032	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	2024-10-12_d33868b2256c4ac4c1676a9861bbacc8_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	2024-10-12_d33868b2256c4ac4c1676a9861bbacc8_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_d33868b2256c4ac4c1676a9861bbacc8_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_d33868b2256c4ac4c1676a9861bbacc8_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_d33868b2256c4ac4c1676a9861bbacc8_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3952
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:5032

C:\Users\Admin\AppData\Local\Temp\2024-10-12_d33868b2256c4ac4c1676a9861bbacc8_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_d33868b2256c4ac4c1676a9861bbacc8_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
PID:1112

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
9fbdcc1f7ee5afceed82c5e107074c1d

SHA1
4d6ca398d8488084ec79ef6c16e686fa65e93be4

SHA256
165e950a59aadc2335430a4b487f412e7365a27bee572909c693691dbcde3a5d

SHA512
95af6975d5cb4a451c38c0302cc57e25be5d1adef8848e02f6fb6c8b08a8e17acc59c769c16cbb1c98a7a06babd0577c029a368fd7876cb4b30a2324ddd1c6b6

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