wannacry | 0839695bfeeda1a0495c14cffe4594e34e2edd19205b71ed754a531b24303ed6

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
14-11-2024 09:55

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General

Target

2024-11-14_8ce31143a6cd0737b5e0b08c21ca490d_wannacry.exe
Size

5.0MB
MD5

8ce31143a6cd0737b5e0b08c21ca490d
SHA1

d52d1a2b4a9c57851444b535c00bc868764696b5
SHA256

0839695bfeeda1a0495c14cffe4594e34e2edd19205b71ed754a531b24303ed6
SHA512

31e112f0612be9dcae9af9e1461b1b5375901443f9e38b395312754b8ab06854c2167e5054b9da6c788a5eadb60be914615919844b8dce7f4b402233188c23c8
SSDEEP

49152:VnjQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhYxhm3X39/ypPUxmvAKtG7sNr:Z8qPoBhz1aRxcSUDk36SAEdhE8siG

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Wannacry family
wannacry
Contacts a large (3351) 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
368	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	2024-11-14_8ce31143a6cd0737b5e0b08c21ca490d_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	2024-11-14_8ce31143a6cd0737b5e0b08c21ca490d_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-14_8ce31143a6cd0737b5e0b08c21ca490d_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-14_8ce31143a6cd0737b5e0b08c21ca490d_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-14_8ce31143a6cd0737b5e0b08c21ca490d_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3492
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:368

C:\Users\Admin\AppData\Local\Temp\2024-11-14_8ce31143a6cd0737b5e0b08c21ca490d_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-14_8ce31143a6cd0737b5e0b08c21ca490d_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
PID:3604

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
8bc478cb7fd5fda78ed561282a5e1592

SHA1
a91f3bb705c7afb49abc8092ffbf19abbd1c282e

SHA256
f7f9ccd9317a1000b79f5769f935f6b9063aa98488f31ae3ef838ab777fd285c

SHA512
983aac115a46b45b0c9f429560a541215f5cfb926bbec3c2360debbec96238f4d4e107614433f91a02fddab98278d9805e1919a9483ad83dd5515bef24615f4c

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