wannacry | b5d5e164a06c04ace95329e6f5a59c7d342ca1d67529e49c579055e1017988c7

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
17-12-2024 10:23

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General

Target

2024-12-17_0d193b07430484b44c8b2d7954da81b3_wannacry.exe
Size

5.0MB
MD5

0d193b07430484b44c8b2d7954da81b3
SHA1

f2e899e62ac2a2d7c5d2515637c22e1107577996
SHA256

b5d5e164a06c04ace95329e6f5a59c7d342ca1d67529e49c579055e1017988c7
SHA512

a90c0a87315ad5f18c52cd7cef22eb2876946f9b26644179c096f64c5053f87bfb4d33d13d43e1ca3770655714514c801d2e0dc92f556564e7ef3ff25e88dc61
SSDEEP

49152:XnAQqMSPbcBVbINx+TSqTdXeRdhnvaAMEc:XDqPoB5axcSU4dhva5

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 (3210) 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
4144	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	2024-12-17_0d193b07430484b44c8b2d7954da81b3_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	2024-12-17_0d193b07430484b44c8b2d7954da81b3_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-17_0d193b07430484b44c8b2d7954da81b3_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-17_0d193b07430484b44c8b2d7954da81b3_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-12-17_0d193b07430484b44c8b2d7954da81b3_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-12-17_0d193b07430484b44c8b2d7954da81b3_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-12-17_0d193b07430484b44c8b2d7954da81b3_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-12-17_0d193b07430484b44c8b2d7954da81b3_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-17_0d193b07430484b44c8b2d7954da81b3_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-17_0d193b07430484b44c8b2d7954da81b3_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4292
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4144

C:\Users\Admin\AppData\Local\Temp\2024-12-17_0d193b07430484b44c8b2d7954da81b3_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-17_0d193b07430484b44c8b2d7954da81b3_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4976

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
b6e8e9767756207cc1428534ca41d447

SHA1
53f782881400e8299621120e6d9597313acfa4b5

SHA256
535c77486f4d23ffac1df8e7d3d67bc372d28fef5c75249780b7f6ecc30df8f1

SHA512
3b3a905e3e509f6cea1f0293bbd3609975f4608171177bd9607dea489abce96e5faa5256fde0146f8f6a484c60d00bc3d493d5ffb87d6d7b5a2deb317f845da4

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