wannacry | 03c92d6d44f566c1af635d52e749abb31f361e28a9dd105e301e96f45cdba1c5

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240910-en
resource tags

arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
submitted
24-09-2024 09:53

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General

Target

2024-09-24_63563305b2beb4a73c8570807598e54c_wannacry.exe
Size

5.0MB
MD5

63563305b2beb4a73c8570807598e54c
SHA1

0c21089de352de6c290604431a8a4f5124c67cfa
SHA256

03c92d6d44f566c1af635d52e749abb31f361e28a9dd105e301e96f45cdba1c5
SHA512

92635f05272412cf3c9bdbca9b1a2a3c238393247943139284d7f7778193956b253f3f71b08ee35ce1ad0add510d229de96c3aca49080a6edc45e0569af1a728
SSDEEP

49152:XnAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SA:XDqPoBhz1aRxcSUDk36SA

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3370) 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
4888	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	2024-09-24_63563305b2beb4a73c8570807598e54c_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	2024-09-24_63563305b2beb4a73c8570807598e54c_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-24_63563305b2beb4a73c8570807598e54c_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"	2024-09-24_63563305b2beb4a73c8570807598e54c_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-24_63563305b2beb4a73c8570807598e54c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-09-24_63563305b2beb4a73c8570807598e54c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-09-24_63563305b2beb4a73c8570807598e54c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-09-24_63563305b2beb4a73c8570807598e54c_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-24_63563305b2beb4a73c8570807598e54c_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-24_63563305b2beb4a73c8570807598e54c_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:396
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4888

C:\Users\Admin\AppData\Local\Temp\2024-09-24_63563305b2beb4a73c8570807598e54c_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-24_63563305b2beb4a73c8570807598e54c_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3612

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
edf00c46ded4d56bc3fb91b99b383ca0

SHA1
c79969b1d5ad1e76affc4ff83d06449cdf79a79c

SHA256
cf964d0090c18529675864b1007724ed5b8001c89271a20000c55001c81d9d6f

SHA512
c526d3ae0011d383d397c4c13364593adb5c6acc88650c165f8f88592405e33bd48c3cd2c69136e5e9f24c47d22264d3429947b9c5d9547f43ae7641ccd6ca34

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