wannacry | da4e4351bad4ab16c4774c29c22e37167f6458c547d2c681c9c88dd4b147bd22

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
16-09-2024 03:40

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General

Target

2024-09-16_777c422afeed685b427fbcbb6c7b22d5_wannacry.exe
Size

3.6MB
MD5

777c422afeed685b427fbcbb6c7b22d5
SHA1

1a5e1a2c5e0f1a4b8bffebcccd977bbe38b0e8d8
SHA256

da4e4351bad4ab16c4774c29c22e37167f6458c547d2c681c9c88dd4b147bd22
SHA512

bb1d7cf9a09f437f48b67a86b84329a9c89285a98fb771b589ee236a217deeec84d810bdcf81c5e1ac44ea82c8d75f5071e301422a41e01e3775d03230f94e0f
SSDEEP

49152:XnAQA0y4YnEEeZezw2uvgyd7+KnT2becwT6DGMIBHuLZyLUcRhRt/IbmwW6LC:XDA0yKi9ywKSbevWSdOLZSPebdWOC

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3197) 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
4908	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	2024-09-16_777c422afeed685b427fbcbb6c7b22d5_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	2024-09-16_777c422afeed685b427fbcbb6c7b22d5_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-16_777c422afeed685b427fbcbb6c7b22d5_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-16_777c422afeed685b427fbcbb6c7b22d5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-09-16_777c422afeed685b427fbcbb6c7b22d5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-09-16_777c422afeed685b427fbcbb6c7b22d5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-09-16_777c422afeed685b427fbcbb6c7b22d5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-09-16_777c422afeed685b427fbcbb6c7b22d5_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-16_777c422afeed685b427fbcbb6c7b22d5_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-16_777c422afeed685b427fbcbb6c7b22d5_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1108
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4908

C:\Users\Admin\AppData\Local\Temp\2024-09-16_777c422afeed685b427fbcbb6c7b22d5_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-16_777c422afeed685b427fbcbb6c7b22d5_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2068

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
e81d366634fe11f8b8a3ff71f4901009

SHA1
0a8c76ba24c779d89f3fa41333cd888077869061

SHA256
83aa98e525e348eae32c7901d349c8258a4704e4b32699ec6d545a781551d6f4

SHA512
938b951f67413b3c595f45d778e5a94c95c833aba769a2fb4b31fcdc5f35bd9aa1d7068bd5338555ca10695911c23e0c79f0e6c367184cea70b59f10be5d81e9

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