wannacry | 85302b209ba37ac7483d9c015e850562af91a60f9577db5830b607104f328726

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
12-10-2024 03:42

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General

Target

2024-10-12_7421effaa49f120c8beea4f9936d87d8_wannacry.exe
Size

3.6MB
MD5

7421effaa49f120c8beea4f9936d87d8
SHA1

9463f656544132b9fb16235ed5977b7c5394f7ce
SHA256

85302b209ba37ac7483d9c015e850562af91a60f9577db5830b607104f328726
SHA512

eef29f37e6336c9a5379fa4bce6067ec0e7747d4f944317220e34df3eb29c4e6c48869400401ff1a3c926a39700244ad46b90742cafa72fbc9d302fb2d2c113d
SSDEEP

98304:ZDqPoBhz1aRxcSUDkWx7QY83EKx1eKOCXcn:ZDqPe1CxcxkA7j83PxISXcn

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3169) 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
1472	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_7421effaa49f120c8beea4f9936d87d8_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_7421effaa49f120c8beea4f9936d87d8_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_7421effaa49f120c8beea4f9936d87d8_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_7421effaa49f120c8beea4f9936d87d8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-12_7421effaa49f120c8beea4f9936d87d8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-12_7421effaa49f120c8beea4f9936d87d8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-12_7421effaa49f120c8beea4f9936d87d8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-12_7421effaa49f120c8beea4f9936d87d8_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_7421effaa49f120c8beea4f9936d87d8_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_7421effaa49f120c8beea4f9936d87d8_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3652
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1472

C:\Users\Admin\AppData\Local\Temp\2024-10-12_7421effaa49f120c8beea4f9936d87d8_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_7421effaa49f120c8beea4f9936d87d8_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4844

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
23a7477cfc59a613471d698c46ca7345

SHA1
b8ee0366e853acd48a27ded7ad5c834ecf6f1927

SHA256
e4f4d5272f442d7abee7bd9bfd478766e7a81afc2f4959edbe61f60136cb2a24

SHA512
9693e5f2cd4f563589479b768b98011b6768b8dcfc897479ba4010caff60c634e50c772b0dcfeefe13f41c0b015e48f74d8ebd2c6a0b4e30202d7047acbd5358

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