wannacry | 1c3fc38f87670712dd798a2157d0766b7f089745a5345fb8d5c196d521eb9078

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
15-12-2024 11:27

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General

Target

2024-12-15_720fe476815c5543ef08b6b19d4b98ce_wannacry.exe
Size

5.0MB
MD5

720fe476815c5543ef08b6b19d4b98ce
SHA1

c7ce5d1fe460d5bd6429ff7582485e6bb2e25dfd
SHA256

1c3fc38f87670712dd798a2157d0766b7f089745a5345fb8d5c196d521eb9078
SHA512

99a382f8e04ec4648f19d53be8e7cffe270c22d2c3b01e02e5ec4e355acb0353a7e8670b608ee348c2af7dec119d72f539c14478bbb356ab2af408c85a426374
SSDEEP

24576:2bLgddQhfdmMSirYbcMNgef0QeQjG/D8kIqRY:2nAQqMSPbcBVQej/1

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 (3301) 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
4628	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	2024-12-15_720fe476815c5543ef08b6b19d4b98ce_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	2024-12-15_720fe476815c5543ef08b6b19d4b98ce_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-15_720fe476815c5543ef08b6b19d4b98ce_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\AutoDetect = "0"	2024-12-15_720fe476815c5543ef08b6b19d4b98ce_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-15_720fe476815c5543ef08b6b19d4b98ce_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-12-15_720fe476815c5543ef08b6b19d4b98ce_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-12-15_720fe476815c5543ef08b6b19d4b98ce_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-12-15_720fe476815c5543ef08b6b19d4b98ce_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-15_720fe476815c5543ef08b6b19d4b98ce_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-15_720fe476815c5543ef08b6b19d4b98ce_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2168
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4628

C:\Users\Admin\AppData\Local\Temp\2024-12-15_720fe476815c5543ef08b6b19d4b98ce_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-15_720fe476815c5543ef08b6b19d4b98ce_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:636

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
6f4e0d9c3bf024401030075c8547f778

SHA1
b941148813e1520a4c701579d7403e686e147b20

SHA256
cf6b9678f79005270342c36d437f9e22b425fe595c83cf8f02d0c132d25346fc

SHA512
f02ef9ee4d2acd2aefb72f1dbc98390d67fee3ac77aa7a07d314f4a556426f6b73157f06ecdef59446f222e7d049c8d54ced0aa530fb096ebadb3e5cc9ed5c1c

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