wannacry | 3d8b35487886bc38e92b98a5ec5c0aed94986030c258fed857a4ac0ffd066b43

Resubmissions

13-10-2024 19:05

241013-xrwaeaxemm 10

13-10-2024 19:04

241013-xqzw7sxdrn 10

13-10-2024 17:31

241013-v3wzzayeja 10

Analysis

max time kernel
1800s
max time network
1807s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
13-10-2024 19:04

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General

Target

2024-10-13_e75163529b90ea2522efebd973826735_wannacry.exe
Size

5.0MB
MD5

e75163529b90ea2522efebd973826735
SHA1

0175042bcb26e5e990514e6e478e63f20457b698
SHA256

3d8b35487886bc38e92b98a5ec5c0aed94986030c258fed857a4ac0ffd066b43
SHA512

f4365d19eba3b7c59d52b3405782d0182c964dfbcef5a073865a44a27ee868b5d747caf0b17ba49750aa121550bed19c34fe52df32a9d889447713361d96ef43
SSDEEP

49152:2nAQqMSPbcBVQej/1INYfFqK5HsJoFGI:yDqPoBhz1aYqK5F

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (39717) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046
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

Executes dropped EXE 1 IoCs

pid	Process
2236	tasksche.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-10-13_e75163529b90ea2522efebd973826735_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	2024-10-13_e75163529b90ea2522efebd973826735_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-13_e75163529b90ea2522efebd973826735_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-13_e75163529b90ea2522efebd973826735_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-13_e75163529b90ea2522efebd973826735_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-13_e75163529b90ea2522efebd973826735_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-13_e75163529b90ea2522efebd973826735_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-13_e75163529b90ea2522efebd973826735_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-13_e75163529b90ea2522efebd973826735_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-13_e75163529b90ea2522efebd973826735_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4788
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2236

C:\Users\Admin\AppData\Local\Temp\2024-10-13_e75163529b90ea2522efebd973826735_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-13_e75163529b90ea2522efebd973826735_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3760

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
0483ad53cb779289e8f1f9ef7b4faccf

SHA1
9c8f7c45cc185f30e228f1767b75972f2688d0bf

SHA256
b032e94abd015417b106b071ad6d61e1954f390e07cc14fe08b98b3fb3f2ca34

SHA512
d5e7e06b8a40965434a434ca8da7470946505358906d389856109ef5cf1f5d06a2a66df0184c4c632556fdf1181d815acb52ba4dc2b539372527c10c59114538

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