wannacry | 1ac6af4f2f1483f8518072b6f17d2b3c0178599620f0da85f98a1b40f1465259

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
13-12-2024 11:45

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General

Target

2024-12-13_248b257c4a97c3a8b817d5ae8b30d059_wannacry.exe
Size

5.0MB
MD5

248b257c4a97c3a8b817d5ae8b30d059
SHA1

a751784725ebc0593e37a81a1980916ed78ff9a7
SHA256

1ac6af4f2f1483f8518072b6f17d2b3c0178599620f0da85f98a1b40f1465259
SHA512

0194f053a50aa02e4335250a009d8da4d39dd8afb8ef0a30f6807bdc14aa5c08dab7fe2171675179541f54a13827d7a303cd4c6682932ecf68fce7d56ee72e4b
SSDEEP

49152:2nAQqMSPbcBVQejxxJM0H9PAMEcaEaue5c/bXZROAx:yDqPoBh9xWa9P59Uc/J

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 (3353) 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
2860	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	2024-12-13_248b257c4a97c3a8b817d5ae8b30d059_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	2024-12-13_248b257c4a97c3a8b817d5ae8b30d059_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-13_248b257c4a97c3a8b817d5ae8b30d059_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-12-13_248b257c4a97c3a8b817d5ae8b30d059_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-13_248b257c4a97c3a8b817d5ae8b30d059_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-12-13_248b257c4a97c3a8b817d5ae8b30d059_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-12-13_248b257c4a97c3a8b817d5ae8b30d059_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-12-13_248b257c4a97c3a8b817d5ae8b30d059_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-13_248b257c4a97c3a8b817d5ae8b30d059_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-13_248b257c4a97c3a8b817d5ae8b30d059_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1940
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2860

C:\Users\Admin\AppData\Local\Temp\2024-12-13_248b257c4a97c3a8b817d5ae8b30d059_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-13_248b257c4a97c3a8b817d5ae8b30d059_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4116

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
51a15b3aef21fc8c14e6d349c97e5587

SHA1
488d441757a3cde129fe7d73d704ea4965cb2188

SHA256
d66c5e9f0cf6591428950b04c977408960c5c3dce91bc5f109fc8debf52ff970

SHA512
db3ab889c2625d5057b181dbcd8339bfb4d1a77d613ae98f2b015b18c050a3e8f05ade11763df58cec8df77d930fd46221525b8a6be63b64b5714baff6c039e5

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