wannacry | fbe06f32e90c0ef8eaae1f83db11d0acb536a4db256fd8362281c15b136308cf

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
12-10-2024 04:35

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General

Target

2024-10-12_9635a1ad8656ee6143fdc71b51c180db_wannacry.exe
Size

3.6MB
MD5

9635a1ad8656ee6143fdc71b51c180db
SHA1

27326caf9d812fa0f5944ff9a8f9dc04130c929f
SHA256

fbe06f32e90c0ef8eaae1f83db11d0acb536a4db256fd8362281c15b136308cf
SHA512

fccc92604f41b7050a80926128ae338593f9d2645624b9f262e030520ccdb52a48cacdaa47a0e62f6b32dc9f3774daabca00037e5c6bc7643af75131561ed215
SSDEEP

49152:2nAQqMSPbcBVQej/1kQoRdivBJM0H9PAMEcaEau3R8yAH1:yDqPoBhz1kldKBWa9P593R8yAV

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3147) 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
4504	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	2024-10-12_9635a1ad8656ee6143fdc71b51c180db_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	2024-10-12_9635a1ad8656ee6143fdc71b51c180db_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_9635a1ad8656ee6143fdc71b51c180db_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-12_9635a1ad8656ee6143fdc71b51c180db_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-12_9635a1ad8656ee6143fdc71b51c180db_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-12_9635a1ad8656ee6143fdc71b51c180db_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-12_9635a1ad8656ee6143fdc71b51c180db_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-12_9635a1ad8656ee6143fdc71b51c180db_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_9635a1ad8656ee6143fdc71b51c180db_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_9635a1ad8656ee6143fdc71b51c180db_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1648
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4504

C:\Users\Admin\AppData\Local\Temp\2024-10-12_9635a1ad8656ee6143fdc71b51c180db_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_9635a1ad8656ee6143fdc71b51c180db_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:924

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
9e03a67d9c12d5a8827f488b6cf68642

SHA1
ace84c7684dc8fa2bc42e61e9d80e1db75a6508e

SHA256
0d7e3bdcc68f7f5c067dbec3b052e0f13968defcdc4ced7de7e6a7a7c5af50e3

SHA512
10750b3a87832c6de12d28a9542fd43bb09ab0866cf6e002300416bfcf61be561990cf4d696079ac255f93a3f3e947496d2a238a532deea7e60d3d84551d0f68

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