wannacry | 03dff98732bb5a21b31a2bb41a87960b7907aa8a91a178a64466e76411f49222

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
14/11/2024, 09:04

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General

Target

2024-11-14_0290f270994dde3502f7b78b0bcb6236_wannacry.exe
Size

3.6MB
MD5

0290f270994dde3502f7b78b0bcb6236
SHA1

b451248188ee6f475ed3dda00db928f4be710e29
SHA256

03dff98732bb5a21b31a2bb41a87960b7907aa8a91a178a64466e76411f49222
SHA512

c8cb8b1a1f57d78df79d419a8abfe38de9ff76953c060b034acf306013ebf00b3c363f61be614e0ca4e4bbf8fb590d3b65b6221db5ba9321269bef93c7d51df9
SSDEEP

12288:GvbLgPlu+QhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7zU:2bLgddQhfdmMSirYbcMNgefU

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 (3343) 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
2384	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	2024-11-14_0290f270994dde3502f7b78b0bcb6236_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	2024-11-14_0290f270994dde3502f7b78b0bcb6236_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-14_0290f270994dde3502f7b78b0bcb6236_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-14_0290f270994dde3502f7b78b0bcb6236_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-11-14_0290f270994dde3502f7b78b0bcb6236_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-11-14_0290f270994dde3502f7b78b0bcb6236_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-11-14_0290f270994dde3502f7b78b0bcb6236_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-11-14_0290f270994dde3502f7b78b0bcb6236_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-14_0290f270994dde3502f7b78b0bcb6236_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-14_0290f270994dde3502f7b78b0bcb6236_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3304
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2384

C:\Users\Admin\AppData\Local\Temp\2024-11-14_0290f270994dde3502f7b78b0bcb6236_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-14_0290f270994dde3502f7b78b0bcb6236_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2128

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
bff7a3cbcd7c2450553cdc3647d366fa

SHA1
9c6fec1111ab160eadc71e9b92538319bf1c038a

SHA256
c4ee52f2ec9f934854b6b5ae8801d9fa45828881c98ded93c9d65fdc22ed6496

SHA512
e29254b3cc7840f6a75d445ca943a880f51d357e08ee0f4ed24bac90296d7a3e28bc876ae644e7851bdec83397fb195f1366fefff3b6dc015a73b2d5fb7a70f9

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