wannacry | 36d7d4ba7f1a55b2c5938a903ffb6c12bca7ebdfe0d294d4099b41f6abc96d1d

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25-09-2024 09:59

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General

Target

2024-09-25_bd0cbbfe247028dddc14f362e6b3375e_wannacry.exe
Size

5.0MB
MD5

bd0cbbfe247028dddc14f362e6b3375e
SHA1

c124e7cebc01c60b9c5638ef14d88e6d31c19cbf
SHA256

36d7d4ba7f1a55b2c5938a903ffb6c12bca7ebdfe0d294d4099b41f6abc96d1d
SHA512

7359bac0afc719e0a50d91142481248323c648a0df4279531829c0b66d62a8f7e1e6b416607b28cc2b677bec3ac55df17abb28a6010aaad8c5275b7e5d76bfb2
SSDEEP

49152:8nQQtKUacBVQej/1INRx+TSqTdX1HkQo6SAA:czPfBhz1aRxcSUDk36SA

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3282) 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
824	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	2024-09-25_bd0cbbfe247028dddc14f362e6b3375e_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	2024-09-25_bd0cbbfe247028dddc14f362e6b3375e_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-25_bd0cbbfe247028dddc14f362e6b3375e_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\UNCAsIntranet = "1"	2024-09-25_bd0cbbfe247028dddc14f362e6b3375e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-09-25_bd0cbbfe247028dddc14f362e6b3375e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-25_bd0cbbfe247028dddc14f362e6b3375e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-09-25_bd0cbbfe247028dddc14f362e6b3375e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-09-25_bd0cbbfe247028dddc14f362e6b3375e_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-25_bd0cbbfe247028dddc14f362e6b3375e_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-25_bd0cbbfe247028dddc14f362e6b3375e_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4500
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:824

C:\Users\Admin\AppData\Local\Temp\2024-09-25_bd0cbbfe247028dddc14f362e6b3375e_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-25_bd0cbbfe247028dddc14f362e6b3375e_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:828

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
52b7fc89b5485fc8a8c5386ab84aa7bf

SHA1
416074e7116aae300d619c8051083f82ae564499

SHA256
e7a6b69d24694cff3e6a7c02ddae1b6dce5b6814f66605fa34ec26cf98312aea

SHA512
3ce3086f5e1c5ffe830992d7a1356f9a1bb78dcee00f8516a2739b108b43f1d7367cc854d9a6a4ee6b19ad4e2c27fce2080fc3bbdce8ffc65a149f19b107adaa

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