wannacry | ea7aea45960fce3998d5a10f40749a379e9df503d07bc8903915bd13d47a9cab

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
29-11-2024 12:44

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General

Target

2024-11-29_188be34b23a08035de32716ac933b3e6_wannacry.exe
Size

5.0MB
MD5

188be34b23a08035de32716ac933b3e6
SHA1

82df1ddc4b4115bfd309adc5f17be524ae25cd63
SHA256

ea7aea45960fce3998d5a10f40749a379e9df503d07bc8903915bd13d47a9cab
SHA512

c6d62293fc487afd42f5012a63290e423bcef3d09cabe3b5e5830369e7b42e5d32ea35e8b8ebe7a3c912d4e06527e456baa24d18bb1c73197574c0ca4484941f
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAAiplAH:yDqPoBhz1aRxcSUDk36SANp2H

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 (3292) 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
1068	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	2024-11-29_188be34b23a08035de32716ac933b3e6_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	2024-11-29_188be34b23a08035de32716ac933b3e6_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-29_188be34b23a08035de32716ac933b3e6_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"	2024-11-29_188be34b23a08035de32716ac933b3e6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-11-29_188be34b23a08035de32716ac933b3e6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-29_188be34b23a08035de32716ac933b3e6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-11-29_188be34b23a08035de32716ac933b3e6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-11-29_188be34b23a08035de32716ac933b3e6_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-29_188be34b23a08035de32716ac933b3e6_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-29_188be34b23a08035de32716ac933b3e6_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3684
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1068

C:\Users\Admin\AppData\Local\Temp\2024-11-29_188be34b23a08035de32716ac933b3e6_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-29_188be34b23a08035de32716ac933b3e6_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4164

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
26cf9fc93d5a4d52d5e240566499332e

SHA1
456b6c1c2b8bc8d8708a16f192b4262438e92465

SHA256
1f4b9bcbf459dd07ba5b8a2482e67a210ddae6f8727929f8c4be30d187399614

SHA512
a5a9726342fe47c366b9a5e810f92ff8be5955e6338135245ce06c8f86028f4e736dde2b725d7df9890ff8a34c43d8ca3e29192ba8ea4bcca3720735f718a5d7

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