wannacry | 1abbe8777a603883e20ead55732ff624374ed089248a6264a3f7c14d59cbf82c

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
11-10-2024 00:47

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General

Target

2024-10-10_a7967480ad11f9ba6f014451aad8eabe_wannacry.exe
Size

3.6MB
MD5

a7967480ad11f9ba6f014451aad8eabe
SHA1

74dced5e0fabccfc238add0e34288825501457fd
SHA256

1abbe8777a603883e20ead55732ff624374ed089248a6264a3f7c14d59cbf82c
SHA512

e30d0982d18e46f0fa6d8263b74ce63a97db51a7555afb17f0aeb603ba32a385021e52a48435c9646f68106e119bee8c0a54b9248861f06294f7eda692b4b50f
SSDEEP

49152:XnAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvxJM0H9:XDqPoBhz1aRxcSUDk36SAEdhvxWa9

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3372) 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
4904	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	2024-10-10_a7967480ad11f9ba6f014451aad8eabe_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	2024-10-10_a7967480ad11f9ba6f014451aad8eabe_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-10_a7967480ad11f9ba6f014451aad8eabe_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-10_a7967480ad11f9ba6f014451aad8eabe_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-10_a7967480ad11f9ba6f014451aad8eabe_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-10_a7967480ad11f9ba6f014451aad8eabe_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-10_a7967480ad11f9ba6f014451aad8eabe_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-10_a7967480ad11f9ba6f014451aad8eabe_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-10_a7967480ad11f9ba6f014451aad8eabe_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-10_a7967480ad11f9ba6f014451aad8eabe_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1696
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4904

C:\Users\Admin\AppData\Local\Temp\2024-10-10_a7967480ad11f9ba6f014451aad8eabe_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-10_a7967480ad11f9ba6f014451aad8eabe_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:424

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
50a498a404cfa69ee1deba6139eb51f3

SHA1
f9c816bf085b2999ca332750ecb4c8850cbf5da7

SHA256
43759fb8ecb4003787c8cc142e3116a7a35262e64493f6ac8a855622d578c170

SHA512
12ddc09fe321c1c08e80e3705b24ca590d72c528e27bf5af17d386e181529c2f6e8c5507aada55f4869d7ffa862f8457d29123ca78b2c830b5558007106c4145

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