wannacry | 487c3b7f2ed1019a4a883f515ceecf77d6657e6e938a0e0f15fd8f697f902312

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-12-2024 18:43

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General

Target

2024-12-11_070c18b4cd1b622857fc5d08fc357697_wannacry.exe
Size

3.6MB
MD5

070c18b4cd1b622857fc5d08fc357697
SHA1

7aa2f6500634a1e83084ac0ad64b47bfcc3c4705
SHA256

487c3b7f2ed1019a4a883f515ceecf77d6657e6e938a0e0f15fd8f697f902312
SHA512

bb4c553e92f60683a97290532124df8dddc0bbebf59c776d5efee215dd9ef02546c761b8b002baa4ac0e096145e4ce3f2fbc8fd97aeca224ce9aa1fa86b4a935
SSDEEP

24576:2bLgddQhfdmMSirYbcMNgef0oD8kIqRYoAd/Admv:2nAQqMSPbcBVo1I/nv

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 (3352) 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
5036	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	2024-12-11_070c18b4cd1b622857fc5d08fc357697_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	2024-12-11_070c18b4cd1b622857fc5d08fc357697_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-11_070c18b4cd1b622857fc5d08fc357697_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\IntranetName = "1"	2024-12-11_070c18b4cd1b622857fc5d08fc357697_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-12-11_070c18b4cd1b622857fc5d08fc357697_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-12-11_070c18b4cd1b622857fc5d08fc357697_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-11_070c18b4cd1b622857fc5d08fc357697_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-12-11_070c18b4cd1b622857fc5d08fc357697_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-11_070c18b4cd1b622857fc5d08fc357697_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-11_070c18b4cd1b622857fc5d08fc357697_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3180
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:5036

C:\Users\Admin\AppData\Local\Temp\2024-12-11_070c18b4cd1b622857fc5d08fc357697_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-11_070c18b4cd1b622857fc5d08fc357697_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2740

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
eec6463e089c782c50d5969d2b4465d8

SHA1
4dbf75c827054dee33ee6ca25ec1630c3bab0c9b

SHA256
d8d29499b961983ced8e5cc81120ca51daabaa02eb5d3e4714b74631a7e146da

SHA512
39ee2137f452393713ab96275b037480efa16ac7f2cbecaaa1958b4dd22ac51180edd866be78a79aeac35efb558ee800c67c633f719ca35f41629fd10292dfcf

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