wannacry | 60b2d89fdd79632623fac3f2dba74e1397d16a624d6adc10bf64c3ccdcfafa7a

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31-10-2024 14:42

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General

Target

2024-10-31_1484a309a13f244da28a6eb7979be7d7_wannacry.exe
Size

5.0MB
MD5

1484a309a13f244da28a6eb7979be7d7
SHA1

e99b5bdc58acddd7c5a74d798c729cd26b99afda
SHA256

60b2d89fdd79632623fac3f2dba74e1397d16a624d6adc10bf64c3ccdcfafa7a
SHA512

18e321442ed89def0a4103ad40c4b3c527b24a68c1c9b84d4a352bd77e15be768ec08fd5e4bc7c4642ab75f69e080bc1ca91a1a69730dab1b891e4d7f8246a18
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQOe5c/bX:yDqPoBhz1aRxcSUDkFUc/

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 (3173) 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

Processes:

tasksche.exe

pid process

1556 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

Processes:

2024-10-31_1484a309a13f244da28a6eb7979be7d7_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-10-31_1484a309a13f244da28a6eb7979be7d7_wannacry.exe

pid	process
1556	tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-10-31_1484a309a13f244da28a6eb7979be7d7_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

Processes:

2024-10-31_1484a309a13f244da28a6eb7979be7d7_wannacry.exe2024-10-31_1484a309a13f244da28a6eb7979be7d7_wannacry.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-31_1484a309a13f244da28a6eb7979be7d7_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-31_1484a309a13f244da28a6eb7979be7d7_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

2024-10-31_1484a309a13f244da28a6eb7979be7d7_wannacry.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-31_1484a309a13f244da28a6eb7979be7d7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-31_1484a309a13f244da28a6eb7979be7d7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-31_1484a309a13f244da28a6eb7979be7d7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-31_1484a309a13f244da28a6eb7979be7d7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-31_1484a309a13f244da28a6eb7979be7d7_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-31_1484a309a13f244da28a6eb7979be7d7_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-31_1484a309a13f244da28a6eb7979be7d7_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:800
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1556

C:\Users\Admin\AppData\Local\Temp\2024-10-31_1484a309a13f244da28a6eb7979be7d7_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-31_1484a309a13f244da28a6eb7979be7d7_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:900

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

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
b5736369ca682472d74c29a4dbe16da4

SHA1
bdbdb06e249d8cd82c84abf1c4ac8b3bdb6dd3af

SHA256
c3216553b2d0230fa0eaa86c8128168de91bec9425aebe348181b5788b5c7e1f

SHA512
a95e95bd673e9c1c6ed1c1242400b318bc24e5394ef6e87e1d23840d6e0d5cfc0bac53e3b50d13cf5d878aed68192ea34fc671866b9ab3262b505ffcc090af4c

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