wannacry | 53a0ac486562f05be013572113ef3727c91ffc6d9b5da559a1f4c775ba7e71bf

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27/09/2024, 17:39

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General

Target

2024-09-27_ebadb8c5b607454c25b65c2a4e8ccfde_wannacry.exe
Size

3.6MB
MD5

ebadb8c5b607454c25b65c2a4e8ccfde
SHA1

dbe8edb73831d719d1f8ae990d328241577653df
SHA256

53a0ac486562f05be013572113ef3727c91ffc6d9b5da559a1f4c775ba7e71bf
SHA512

8be7652a8e5cec37472d34128c939cf264f206a646f2902e6795a8336ea5d1c3b8ef6b178075a1000567c152f6a62dd8961afa7202c12c1809fbaae5d5aab41d
SSDEEP

24576:2bLgddQhfdmMSirYbcMNgef0QeQjG/D8kIqRYZ6LLu/Q8uME7A4kqAH1pNZtA0pH:2nAQqMSPbcBVQej/1ySR8yAH1plAHI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3265) 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
3028	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	2024-09-27_ebadb8c5b607454c25b65c2a4e8ccfde_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	2024-09-27_ebadb8c5b607454c25b65c2a4e8ccfde_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-27_ebadb8c5b607454c25b65c2a4e8ccfde_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\ProxyBypass = "1"	2024-09-27_ebadb8c5b607454c25b65c2a4e8ccfde_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-09-27_ebadb8c5b607454c25b65c2a4e8ccfde_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-09-27_ebadb8c5b607454c25b65c2a4e8ccfde_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-09-27_ebadb8c5b607454c25b65c2a4e8ccfde_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-27_ebadb8c5b607454c25b65c2a4e8ccfde_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-27_ebadb8c5b607454c25b65c2a4e8ccfde_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-27_ebadb8c5b607454c25b65c2a4e8ccfde_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2812
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3028

C:\Users\Admin\AppData\Local\Temp\2024-09-27_ebadb8c5b607454c25b65c2a4e8ccfde_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-27_ebadb8c5b607454c25b65c2a4e8ccfde_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:864

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
5fee4ccc9996cc6f28cdb1ca57b4b308

SHA1
dc26d853ecdbb81e1c5016086cc43b8730113a2d

SHA256
b3571a1545b9e76eb5e2992333952e57cbd250b74c99aeffa8bc7ac6a5b36a46

SHA512
0f3a0d26881ba6ead068cae0121e93fa367cad47b9cee35dee8cf38f4cfeba327470912605a2aca2cae84bd3c57d22b379990b0948b23030daae8238ca972519

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