wannacry | d28ffdc7641cb976d318fa618eba2df5bde7b08d07990558954ba059b7ab6418

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
09-11-2024 13:29

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General

Target

2024-11-09_9815eaabe2b5bf6b8520565e47f97df3_wannacry.exe
Size

5.0MB
MD5

9815eaabe2b5bf6b8520565e47f97df3
SHA1

3bce62341aea4feeb593b6e880d43e915941f63d
SHA256

d28ffdc7641cb976d318fa618eba2df5bde7b08d07990558954ba059b7ab6418
SHA512

c9de89713ebbedf3100f12f7b530bd1737bfd120366e641d1f8523b46b2710e60c701ef27a97aac6f801f9172b51792e0721b8b1178a593193f1c25f774a80c2
SSDEEP

98304:XDqPoBhz1aRxcSUDkn6SAEdhvxWa9P593R8yAVp2H:XDqPe1CxcxknZAEUadzR8yc4H

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 (3361) 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
1532	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	2024-11-09_9815eaabe2b5bf6b8520565e47f97df3_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	2024-11-09_9815eaabe2b5bf6b8520565e47f97df3_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-09_9815eaabe2b5bf6b8520565e47f97df3_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-09_9815eaabe2b5bf6b8520565e47f97df3_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-11-09_9815eaabe2b5bf6b8520565e47f97df3_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-11-09_9815eaabe2b5bf6b8520565e47f97df3_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-11-09_9815eaabe2b5bf6b8520565e47f97df3_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-11-09_9815eaabe2b5bf6b8520565e47f97df3_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-09_9815eaabe2b5bf6b8520565e47f97df3_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-09_9815eaabe2b5bf6b8520565e47f97df3_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4804
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1532

C:\Users\Admin\AppData\Local\Temp\2024-11-09_9815eaabe2b5bf6b8520565e47f97df3_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-09_9815eaabe2b5bf6b8520565e47f97df3_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3744

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
be9858384a5352c00667fccbab091bc2

SHA1
2ffdef1cd77c680cd6b38390e29a8d1044cc51c0

SHA256
181ed2fbf4f2ed4fb186faf5d15b05e342e8f24ba5d9b7cbde786a1e70b0ca27

SHA512
ff520c4587fb44e34e92dc437c6221ce421c178e76a5f9a52826e8dd289e372d3b8ca778160efa35ebd104b32d5ce2467f549edf75aa28293fa0c736bcbec5ad

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