wannacry | f42df1e56b804b8727835e07c750af84fb4b5591361e606da186c3d7925abda7

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 16:52

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General

Target

2024-12-15_12a739ac3c15a9f0be18b3dfe7027459_wannacry.exe
Size

3.6MB
MD5

12a739ac3c15a9f0be18b3dfe7027459
SHA1

07c2192a5162129210a483aaa6948a228ec023ac
SHA256

f42df1e56b804b8727835e07c750af84fb4b5591361e606da186c3d7925abda7
SHA512

7063a64a15ee80ef1e006e6c5ec495c1ecabe21b726d7ab2f6b2fc0f331d3cf9ef270667b0e71d51c308ebf874f54bdd8b1c69e30dbf67afb78c7b255014cd14
SSDEEP

98304:XWqPoBhz1aRxcSUDk36SAEdhvw593R8yAVp2HI:XWqPe1Cxcxk3ZAEEzR8yc4HI

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 (3315) 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
4024	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_12a739ac3c15a9f0be18b3dfe7027459_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_12a739ac3c15a9f0be18b3dfe7027459_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-15_12a739ac3c15a9f0be18b3dfe7027459_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-15_12a739ac3c15a9f0be18b3dfe7027459_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-12-15_12a739ac3c15a9f0be18b3dfe7027459_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-12-15_12a739ac3c15a9f0be18b3dfe7027459_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-12-15_12a739ac3c15a9f0be18b3dfe7027459_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-12-15_12a739ac3c15a9f0be18b3dfe7027459_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-15_12a739ac3c15a9f0be18b3dfe7027459_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-15_12a739ac3c15a9f0be18b3dfe7027459_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1384
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4024

C:\Users\Admin\AppData\Local\Temp\2024-12-15_12a739ac3c15a9f0be18b3dfe7027459_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-15_12a739ac3c15a9f0be18b3dfe7027459_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1072

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
7620835d6b4fec146f65dd80fa3ff852

SHA1
39f79cfc25dcc4967132fad035b1fae2d8dc8c75

SHA256
039e7fcede51032f8060d7206b9ecb1aefd2b23a3880f0510f7f06985e813f15

SHA512
964c7b5bf179d47330ad903fa6cdeb8fda8b9c95b3560dd3bf52d529d1743aa38271880a38a6dae14fa2bcaa5fc2f3e94e0c5351d047a0c65227c6b69cbee1e6

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