wannacry | 5fe63fa6fde5aca73716ef3a171a47130559e38ad16a17335158da11b30da01f

Analysis

max time kernel
150s
max time network
150s
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 03:06

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General

Target

2024-10-12_1e64a00e68e01864d3f7d310be8ef85f_wannacry.exe
Size

3.6MB
MD5

1e64a00e68e01864d3f7d310be8ef85f
SHA1

c58f0ed7e8f980d53fa6cf5908593489713c3b24
SHA256

5fe63fa6fde5aca73716ef3a171a47130559e38ad16a17335158da11b30da01f
SHA512

7bffad5ef9bdca923cbe624be171947f6cf2192aee7c37c136239073e9931a6b6c3cabc11e3985c5fa97a88682526ef88d98267d663a1ca590dea9390d40a247
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HHEau3R8yAH1plAHI:yDqPoBhz1aRxcSUDu3R8yAVp2HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3331) 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
4760	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_1e64a00e68e01864d3f7d310be8ef85f_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_1e64a00e68e01864d3f7d310be8ef85f_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_1e64a00e68e01864d3f7d310be8ef85f_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_1e64a00e68e01864d3f7d310be8ef85f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-12_1e64a00e68e01864d3f7d310be8ef85f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-12_1e64a00e68e01864d3f7d310be8ef85f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-12_1e64a00e68e01864d3f7d310be8ef85f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-12_1e64a00e68e01864d3f7d310be8ef85f_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_1e64a00e68e01864d3f7d310be8ef85f_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_1e64a00e68e01864d3f7d310be8ef85f_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4420
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4760

C:\Users\Admin\AppData\Local\Temp\2024-10-12_1e64a00e68e01864d3f7d310be8ef85f_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_1e64a00e68e01864d3f7d310be8ef85f_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2444

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
95820ef2ba66a2dd99169a582a4a8fe7

SHA1
9f5d1cbc2d9d009b2f694a53eda408bdf591ae61

SHA256
9c003c6c614a3d613387aa4d064a2b0daba35b57a1ecdeb5b694ba686949786e

SHA512
2a9102acc070fa39039f4bd39d69a7efe60533f174ff9ba0cca1a810d63bbf1a9f3e144a9a402a6bb5ceecabf4c3f984da2801c7ff5ac7a4c5ae5d05d4dc54e0

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